def setUp(self): super(RemoteTempFileTests, self).setUp() self.instance = Role(None, self.any_context()) self.patcher = patch("provy.core.roles.Role.remote_temp_dir", Mock(return_value="/tmp")) self.patcher.start() self.ensure_dir_patcher = patch("provy.core.roles.Role.ensure_dir", Mock(return_value="/tmp")) self.ensure_dir_patcher.start()
def setUp(self): loader = ChoiceLoader([ FileSystemLoader(os.path.join(PROJECT_ROOT, 'files')) ]) context = { 'owner': 'foo', 'registered_loaders': [], 'loader': loader, 'cleanup': [], 'host': 'localhost', } self.role = Role(prov=None, context=context) self.update_data = UpdateData('/tmp/some-file.ext', 'some local md5', 'some remote md5')
class RoleTest(ProvyTestCase): def setUp(self): loader = ChoiceLoader([ FileSystemLoader(os.path.join(PROJECT_ROOT, 'files')) ]) context = { 'owner': 'foo', 'registered_loaders': [], 'loader': loader, 'cleanup': [], 'host': 'localhost', } self.role = Role(prov=None, context=context) self.update_data = UpdateData('/tmp/some-file.ext', 'some local md5', 'some remote md5') @contextmanager def mock_update_data(self): with self.mock_role_method('_build_update_data'): self.role._build_update_data.return_value = self.update_data yield @istest def checks_if_a_remote_directory_exists(self): with self.execute_mock() as execute: execute.return_value = '0' self.assertTrue(self.role.remote_exists_dir('/some_path')) execute.assert_called_with('test -d /some_path; echo $?', stdout=False, sudo=True) @istest def checks_if_a_remote_directory_doesnt_exist(self): with self.execute_mock() as execute: execute.return_value = '1' self.assertFalse(self.role.remote_exists_dir('/some_path')) execute.assert_called_with('test -d /some_path; echo $?', stdout=False, sudo=True) @istest def doesnt_create_directory_if_it_already_exists(self): with self.mock_role_method('remote_exists_dir') as remote_exists_dir, self.execute_mock() as execute: remote_exists_dir.return_value = True self.role.ensure_dir('/some_path') self.assertFalse(execute.called) @istest def creates_the_directory_if_it_doesnt_exist(self): with self.mock_role_method('remote_exists_dir') as remote_exists_dir, self.execute_mock() as execute: remote_exists_dir.return_value = False self.role.ensure_dir('/some_path') execute.assert_called_with('mkdir -p /some_path', stdout=False, sudo=False) @istest def gets_distro_info_for_debian(self): with self.execute_mock() as execute: execute.return_value = 'No LSB modules are available.\nDistributor ID:\tDebian\nDescription:\tDebian GNU/Linux 6.0.5 (squeeze)\nRelease:\t6.0.5\nCodename:\tsqueeze' distro_info = self.role.get_distro_info() execute.assert_called_with('lsb_release -a') self.assertEqual(distro_info.distributor_id, 'Debian') self.assertEqual(distro_info.description, 'Debian GNU/Linux 6.0.5 (squeeze)') self.assertEqual(distro_info.release, '6.0.5') self.assertEqual(distro_info.codename, 'squeeze') @istest def gets_distro_info_for_ubuntu(self): with self.execute_mock() as execute: execute.return_value = 'No LSB modules are available.\r\nDistributor ID:\tUbuntu\r\nDescription:\tUbuntu 12.04.1 LTS\r\nRelease:\t12.04\r\nCodename:\tprecise' distro_info = self.role.get_distro_info() execute.assert_called_with('lsb_release -a') self.assertEqual(distro_info.distributor_id, 'Ubuntu') self.assertEqual(distro_info.description, 'Ubuntu 12.04.1 LTS') self.assertEqual(distro_info.release, '12.04') self.assertEqual(distro_info.codename, 'precise') @istest def gets_distro_info_for_centos(self): with self.execute_mock() as execute: execute.return_value = 'LSB Version:\t:core-4.0-ia32:core-4.0-noarch:graphics-4.0-ia32:graphics-4.0-noarch:printing-4.0-ia32:printing-4.0-noarch\nDistributor ID:\tCentOS\nDescription:\tCentOS release 5.8 (Final)\nRelease:\t5.8\nCodename:\tFinal' distro_info = self.role.get_distro_info() execute.assert_called_with('lsb_release -a') self.assertEqual(distro_info.lsb_version, ':core-4.0-ia32:core-4.0-noarch:graphics-4.0-ia32:graphics-4.0-noarch:printing-4.0-ia32:printing-4.0-noarch') self.assertEqual(distro_info.distributor_id, 'CentOS') self.assertEqual(distro_info.description, 'CentOS release 5.8 (Final)') self.assertEqual(distro_info.release, '5.8') self.assertEqual(distro_info.codename, 'Final') @istest def doesnt_hit_the_server_twice_to_get_distro_info(self): with self.execute_mock() as execute: execute.return_value = 'No LSB modules are available.\r\nDistributor ID:\tUbuntu\r\nDescription:\tUbuntu 12.04.1 LTS\r\nRelease:\t12.04\r\nCodename:\tprecise' distro_info1 = self.role.get_distro_info() distro_info2 = self.role.get_distro_info() execute.assert_called_once_with('lsb_release -a') self.assertEqual(distro_info1, distro_info2) @istest def ignores_line_if_already_exists_in_file(self): with self.mock_role_methods("has_line", "put_file", "execute") as mocked: has_line, _, execute = mocked has_line.return_value = True self.role.ensure_line('this line in', '/some/file') self.assertFalse(execute.called) @istest def inserts_line_if_it_doesnt_exist_yet(self): LINE_CONTENTS = 'this line in' REMOTE_TMP_FILE = "/tmp/foo" with self.mock_role_methods("has_line", "put_file", "execute", "create_remote_temp_file") as mocked: has_line, put_file, execute, create_remote_temp_file = mocked create_remote_temp_file.return_value = REMOTE_TMP_FILE has_line.return_value = False self.role.ensure_line(LINE_CONTENTS, "/some/file") put_file.assert_called_with(FileContentMatcher(self, LINE_CONTENTS), REMOTE_TMP_FILE, False, stdout=False) execute.assert_called_with('cat {} >> /some/file && echo >> /some/file'.format(REMOTE_TMP_FILE), stdout=False, sudo=False, user=None) @istest def inserts_line_if_it_doesnt_exist_yet_with_sudo(self): LINE_CONTENTS = 'this line in' REMOTE_TMP_FILE = "/tmp/foo" with self.mock_role_methods("has_line", "put_file", "execute", "create_remote_temp_file") as mocked: has_line, put_file, execute, create_remote_temp_file = mocked create_remote_temp_file.return_value = REMOTE_TMP_FILE has_line.return_value = False self.role.ensure_line(LINE_CONTENTS, "/some/file", sudo=True) put_file.assert_called_with(FileContentMatcher(self, LINE_CONTENTS), REMOTE_TMP_FILE, True, stdout=False) execute.assert_called_with('cat {} >> /some/file && echo >> /some/file'.format(REMOTE_TMP_FILE), stdout=False, sudo=True, user=None) @istest def inserts_line_if_it_doesnt_exist_yet_with_user(self): LINE_CONTENTS = 'this line in' REMOTE_TMP_FILE = "/tmp/foo" with self.mock_role_methods("has_line", "put_file", "execute", "create_remote_temp_file") as mocked: has_line, put_file, execute, create_remote_temp_file = mocked create_remote_temp_file.return_value = REMOTE_TMP_FILE has_line.return_value = False self.role.ensure_line(LINE_CONTENTS, "/some/file", owner="foo") put_file.assert_called_with(FileContentMatcher(self, LINE_CONTENTS), REMOTE_TMP_FILE, True, stdout=False) execute.assert_called_with('cat {} >> /some/file && echo >> /some/file'.format(REMOTE_TMP_FILE), stdout=False, sudo=False, user="******") @istest def registers_a_template_loader(self): package_name = 'provy.more.debian.monitoring' self.assertNotIn(package_name, self.role.context['registered_loaders']) self.role.register_template_loader(package_name) self.assertIn(package_name, self.role.context['registered_loaders']) choice_loader = self.role.context['loader'] package_loader = choice_loader.loaders[1] self.assertIn('monitoring', package_loader.provider.module_path) @istest def doesnt_register_a_template_loader_twice(self): package_name = 'provy.more.debian.monitoring' self.assertNotIn(package_name, self.role.context['registered_loaders']) self.role.register_template_loader(package_name) self.role.register_template_loader(package_name) self.assertIn(package_name, self.role.context['registered_loaders']) self.assertEqual(self.role.context['registered_loaders'], ['provy.more.debian.monitoring']) @istest def appends_role_instance_to_cleanup_list_when_scheduling_cleanup(self): self.assertEqual(self.role.context['cleanup'], []) self.role.schedule_cleanup() self.assertEqual(self.role.context['cleanup'], [self.role]) @istest def doesnt_append_again_if_role_is_already_in_cleanup_list(self): same_class_instance = Role(None, {}) self.role.context['cleanup'] = [same_class_instance] self.role.schedule_cleanup() self.assertEqual(self.role.context['cleanup'], [same_class_instance]) @istest def appends_role_instance_to_cleanup_list_when_same_class_doesnt_exist_yet(self): class DummyRole(Role): pass same_class_instance = DummyRole(None, {}) self.role.context['cleanup'] = [same_class_instance] self.role.schedule_cleanup() self.assertEqual(self.role.context['cleanup'], [same_class_instance, self.role]) @istest def provisions_role(self): role_instance = MagicMock() def StubRole(prov, context): return role_instance self.role.provision_role(StubRole) role_instance.provision.assert_called_with() @istest def schedules_cleanup_when_provisioning(self): role_instance = MagicMock() def StubRole(prov, context): return role_instance self.role.provision_role(StubRole) role_instance.schedule_cleanup.assert_called_with() @istest def can_call_cleanup_safely(self): self.role.cleanup() @istest def executes_command_with_stdout_and_same_user(self): with patch('fabric.api.run') as run: self.role.execute('some command', stdout=True) run.assert_called_with('some command') @istest def executes_command_with_stdout_and_sudo(self): with patch('fabric.api.sudo') as sudo: self.role.execute('some command', stdout=True, sudo=True) sudo.assert_called_with('some command', user=None) @istest def executes_command_with_stdout_and_another_user(self): with patch('fabric.api.sudo') as sudo: self.role.execute('some command', stdout=True, user='******') sudo.assert_called_with('some command', user='******') @istest def executes_command_without_stdout_but_same_user(self): with patch('fabric.api.run') as run, patch('fabric.api.hide') as hide: self.role.execute('some command', stdout=False) run.assert_called_with('some command') hide.assert_called_with('warnings', 'running', 'stdout', 'stderr') @istest def executes_command_without_stdout_but_sudo(self): with patch('fabric.api.sudo') as sudo, patch('fabric.api.hide') as hide: self.role.execute('some command', stdout=False, sudo=True) sudo.assert_called_with('some command', user=None) hide.assert_called_with('warnings', 'running', 'stdout', 'stderr') @istest def executes_command_without_stdout_but_another_user(self): with patch('fabric.api.sudo') as sudo, patch('fabric.api.hide') as hide: self.role.execute('some command', stdout=False, user='******') sudo.assert_called_with('some command', user='******') hide.assert_called_with('warnings', 'running', 'stdout', 'stderr') @istest def execute_command_check_cd_called_if_cwd_arg(self): with patch('fabric.api.run'): with patch('fabric.api.cd') as cd: self.role.execute("some command", cwd="/some/dir") cd.assert_called_once_with("/some/dir") @istest def execute_command_check_cd_called_if_no_cwd_arg(self): with patch('fabric.api.run'): with patch('fabric.api.cd') as cd: self.role.execute("some command") self.assertFalse(cd.called) @istest def executes_a_local_command_with_stdout_and_same_user(self): with patch('fabric.api.local') as local: local.return_value = 'some result' self.assertEqual(self.role.execute_local('some command', stdout=True), 'some result') local.assert_called_with('some command', capture=True) @istest def executes_a_local_command_with_stdout_and_sudo(self): with patch('fabric.api.local') as local: local.return_value = 'some result' self.assertEqual(self.role.execute_local('some command', stdout=True, sudo=True), 'some result') local.assert_called_with('sudo some command', capture=True) @istest def executes_a_local_command_with_stdout_and_another_user(self): with patch('fabric.api.local') as local: local.return_value = 'some result' self.assertEqual(self.role.execute_local('some command', stdout=True, user='******'), 'some result') local.assert_called_with('sudo -u foo some command', capture=True) @istest def executes_a_local_command_without_stdout_and_another_user(self): with patch('fabric.api.local') as local, patch('fabric.api.hide') as hide: local.return_value = 'some result' self.assertEqual(self.role.execute_local('some command', stdout=False, user='******'), 'some result') local.assert_called_with('sudo -u foo some command', capture=True) hide.assert_called_with('warnings', 'running', 'stdout', 'stderr') @istest def executes_a_python_command(self): with self.execute_mock() as execute: self.role.execute_python('some command', stdout='is stdout?', sudo='is sudo?') execute.assert_called_with('python -c "some command"', stdout='is stdout?', sudo='is sudo?') @istest def gets_logged_user(self): with self.execute_mock() as execute: execute.return_value = 'some user' user = self.role.get_logged_user() self.assertEqual(user, 'some user') execute.assert_called_with('whoami', stdout=False) @istest def verifies_that_remote_file_exists(self): with self.execute_mock() as execute: execute.return_value = '0' self.assertTrue(self.role.remote_exists('/some.path')) execute.assert_called_with('test -f /some.path; echo $?', stdout=False, sudo=True) @istest def verifies_that_remote_file_doesnt_exist(self): with self.execute_mock() as execute: execute.return_value = '1' self.assertFalse(self.role.remote_exists('/some.path')) execute.assert_called_with('test -f /some.path; echo $?', stdout=False, sudo=True) @istest def verifies_that_a_local_file_exists(self): file_to_verify = os.path.abspath(__file__) self.assertTrue(self.role.local_exists(file_to_verify)) @istest def verifies_that_a_local_file_doesnt_exist(self): file_to_verify = '/some/sneaky.file' self.assertFalse(self.role.local_exists(file_to_verify)) @istest def creates_a_local_temp_dir(self): self.assertTrue(self.role.local_temp_dir().startswith(tempfile.gettempdir())) @istest def creates_a_remote_temp_dir(self): with self.mock_role_method('execute_python') as execute_python: execute_python.return_value = '/some/remote/temp/dir' directory = self.role.remote_temp_dir() self.assertEqual(directory, '/some/remote/temp/dir') execute_python.assert_called_with('from tempfile import gettempdir; print gettempdir()', stdout=False) @istest def changes_the_owner_of_a_path(self): with self.execute_mock() as execute: self.role.change_path_owner('/some/path', 'foo') execute.assert_called_with('chown -R foo /some/path', stdout=False, sudo=True) @istest def creates_a_directory_when_it_doesnt_exist_yet(self): with self.execute_mock() as execute, self.mock_role_method('remote_exists_dir') as remote_exists_dir: remote_exists_dir.return_value = False self.role.ensure_dir('/some/dir') execute.assert_called_with('mkdir -p /some/dir', stdout=False, sudo=False) @istest def creates_a_directory_with_sudo_when_it_doesnt_exist_yet(self): with self.execute_mock() as execute, self.mock_role_method('remote_exists_dir') as remote_exists_dir: remote_exists_dir.return_value = False self.role.ensure_dir('/some/dir', sudo=True) execute.assert_called_with('mkdir -p /some/dir', stdout=False, sudo=True) @istest def creates_a_directory_with_specific_user_when_it_doesnt_exist_yet(self): with self.execute_mock() as execute, self.mock_role_method('remote_exists_dir') as remote_exists_dir, self.mock_role_method('change_path_owner') as change_path_owner: remote_exists_dir.return_value = False self.role.ensure_dir('/some/dir', owner='foo') execute.assert_called_with('mkdir -p /some/dir', stdout=False, sudo=True) change_path_owner.assert_called_with('/some/dir', 'foo') @istest def gets_object_mode_from_remote_file(self): with self.execute_mock() as execute, self.mock_role_method('remote_exists') as remote_exists: remote_exists.return_value = True execute.return_value = '755\n' self.assertEqual(self.role.get_object_mode('/some/file.ext'), 755) execute.assert_called_with('stat -c %a /some/file.ext', stdout=False, sudo=True) @istest def cannot_get_mode_if_file_doesnt_exist(self): with self.execute_mock(), self.mock_role_method('remote_exists') as remote_exists, self.mock_role_method('remote_exists_dir') as remote_exists_dir: remote_exists.return_value = False remote_exists_dir.return_value = False self.assertRaises(IOError, self.role.get_object_mode, '/some/file.ext') @istest def changes_the_mode_of_a_path_if_its_different(self): with self.execute_mock() as execute, self.mock_role_method('get_object_mode') as get_object_mode: get_object_mode.return_value = 644 self.role.change_path_mode('/some/path', 755) execute.assert_called_with('chmod 755 /some/path', stdout=False, sudo=True) @istest def recursively_changes_the_mode_of_a_path_if_its_different(self): with self.execute_mock() as execute, self.mock_role_method('get_object_mode') as get_object_mode: get_object_mode.return_value = 644 self.role.change_path_mode('/some/path', 755, recursive=True) execute.assert_called_with('chmod -R 755 /some/path', stdout=False, sudo=True) @istest def doesnt_change_path_mode_if_its_the_same(self): with self.execute_mock() as execute, self.mock_role_method('get_object_mode') as get_object_mode: get_object_mode.return_value = 755 self.role.change_path_mode('/some/path', 755) self.assertFalse(execute.called) @istest def recursively_changes_the_mode_of_a_path_even_if_the_mode_of_the_parent_path_is_the_same(self): with self.execute_mock() as execute, self.mock_role_method('get_object_mode') as get_object_mode: get_object_mode.return_value = 755 self.role.change_path_mode('/some/path', 755, recursive=True) execute.assert_called_with('chmod -R 755 /some/path', stdout=False, sudo=True) @istest def gets_the_md5_hash_of_a_local_file(self): with self.mock_role_method('execute_local') as execute_local, self.mock_role_method('local_exists') as local_exists: local_exists.return_value = True execute_local.return_value = 'some-hash\n' self.assertEqual(self.role.md5_local('/some/path'), 'some-hash') execute_local.assert_called_with('md5sum /some/path | cut -d " " -f 1', stdout=False, sudo=True) @istest def returns_none_if_local_file_doesnt_exist_for_md5_hash(self): with self.mock_role_method('execute_local') as execute_local, self.mock_role_method('local_exists') as local_exists: local_exists.return_value = False self.assertIsNone(self.role.md5_local('/some/path')) self.assertFalse(execute_local.called) @istest def gets_the_md5_hash_of_a_remote_file(self): with self.execute_mock() as execute, self.mock_role_method('remote_exists') as remote_exists: remote_exists.return_value = True execute.return_value = 'some-hash\n' self.assertEqual(self.role.md5_remote('/some/path'), 'some-hash') execute.assert_called_with('md5sum /some/path | cut -d " " -f 1', stdout=False, sudo=True) @istest def returns_none_if_remote_file_doesnt_exist_for_md5_hash(self): with self.execute_mock() as execute, self.mock_role_method('remote_exists') as remote_exists: remote_exists.return_value = False self.assertIsNone(self.role.md5_remote('/some/path')) self.assertFalse(execute.called) @istest def removes_a_directory_if_it_exists(self): with self.execute_mock() as execute, self.mock_role_method('remote_exists_dir') as remote_exists_dir: remote_exists_dir.return_value = True self.assertTrue(self.role.remove_dir('/some/dir')) execute.assert_called_with('rmdir /some/dir', stdout=False, sudo=False) @istest def doesnt_remove_a_directory_if_it_doesnt_exist(self): with self.execute_mock() as execute, self.mock_role_method('remote_exists_dir') as remote_exists_dir: remote_exists_dir.return_value = False self.assertFalse(self.role.remove_dir('/some/dir')) self.assertFalse(execute.called) @istest def removes_a_directory_recursively_if_it_exists(self): with self.execute_mock() as execute, self.mock_role_method('remote_exists_dir') as remote_exists_dir: remote_exists_dir.return_value = True self.assertTrue(self.role.remove_dir('/some/dir', recursive=True)) execute.assert_called_with('rm -rf /some/dir', stdout=False, sudo=False) @istest def removes_a_directory_as_sudo_if_it_exists(self): with self.execute_mock() as execute, self.mock_role_method('remote_exists_dir') as remote_exists_dir: remote_exists_dir.return_value = True self.assertTrue(self.role.remove_dir('/some/dir', sudo=True)) execute.assert_called_with('rmdir /some/dir', stdout=False, sudo=True) @istest def removes_dir_silently_if_requested(self): with self.execute_mock(): with self.mock_role_method('log') as log: with self.mock_role_method('remote_exists_dir') as exists: exists.return_value = True self.role.remove_dir('/some/dir', sudo=True, stdout=False) self.assertFalse(log.called) @istest def removes_dir_logging_if_requested(self): with self.execute_mock(): with self.mock_role_method('log') as log: with self.mock_role_method('remote_exists_dir') as exists: exists.return_value = True self.role.remove_dir('/some/dir', sudo=True, stdout=True) self.assertEqual(len(log.mock_calls), 1) @istest def puts_file_silently_if_requested(self): with patch("fabric.api.put"): with self.mock_role_method("_Role__showing_command_output") as showing: self.role.put_file("foo", "bar", stdout=False) showing.assert_called_once_with(False) @istest def puts_file_chatting_if_requested(self): with patch("fabric.api.put"): with self.mock_role_method("_Role__showing_command_output") as showing: self.role.put_file("foo", "bar", stdout=True) showing.assert_called_once_with(True) @istest def removes_a_file_if_it_exists(self): with self.execute_mock() as execute, self.mock_role_method('remote_exists') as remote_exists: remote_exists.return_value = True self.assertTrue(self.role.remove_file('/some/file.ext')) execute.assert_called_with('rm -f /some/file.ext', stdout=False, sudo=False) @istest def doesnt_remove_a_file_if_it_doesnt_exist(self): with self.execute_mock() as execute, self.mock_role_method('remote_exists') as remote_exists: remote_exists.return_value = False self.assertFalse(self.role.remove_file('/some/dir')) self.assertFalse(execute.called) @istest def removes_a_file_as_sudo_if_it_exists(self): with self.execute_mock() as execute, self.mock_role_method('remote_exists') as remote_exists: remote_exists.return_value = True self.assertTrue(self.role.remove_file('/some/file.ext', sudo=True)) execute.assert_called_with('rm -f /some/file.ext', stdout=False, sudo=True) @istest def puts_a_file_in_the_remote_path(self): with patch('fabric.api.put') as put: self.role.put_file('/from/file', '/to/file') put.assert_called_with('/from/file', '/to/file', use_sudo=False) @istest def puts_a_file_as_sudo_in_the_remote_path(self): with patch('fabric.api.put') as put: self.role.put_file('/from/file', '/to/file', sudo=True) put.assert_called_with('/from/file', '/to/file', use_sudo=True) @istest def creates_a_remote_symbolic_link_if_it_doesnt_exist_yet(self): with self.execute_mock() as execute, self.mock_role_method('remote_exists') as remote_exists: from_file = '/from/file' to_file = '/to/file' remote_from_exists = True remote_to_exists = False sudo = 'is it sudo?' remote_exists.side_effect = (remote_from_exists, remote_to_exists) self.role.remote_symlink(from_file, to_file, sudo=sudo) self.assertEqual(remote_exists.mock_calls, [ call(from_file), call(to_file), ]) execute.assert_called_with('ln -sf %s %s' % (from_file, to_file), sudo=sudo, stdout=False) @istest def creates_a_remote_symbolic_link_if_it_exists_but_with_different_path(self): with self.execute_mock() as execute, self.mock_role_method('remote_exists') as remote_exists: from_file = '/from/file' to_file = '/to/file' another_from_file = '/another/from/file' remote_from_exists = True remote_to_exists = True sudo = 'is it sudo?' remote_exists.side_effect = (remote_from_exists, remote_to_exists) execute.side_effect = ('-rw-rw-r-- 1 foo foo 4490 Dez 11 22:24 %s -> %s' % (to_file, another_from_file), None) self.role.remote_symlink(from_file, to_file, sudo=sudo) self.assertEqual(remote_exists.mock_calls, [ call(from_file), call(to_file), ]) self.assertEqual(execute.mock_calls, [ call('ls -la %s' % to_file, stdout=False, sudo=sudo), call('ln -sf %s %s' % (from_file, to_file), sudo=sudo, stdout=False), ]) @istest def doesnt_create_symlink_if_file_with_same_name_already_exists(self): with self.execute_mock() as execute, self.mock_role_method('remote_exists') as remote_exists: from_file = '/from/file' to_file = '/to/file' remote_from_exists = True remote_to_exists = True sudo = 'is it sudo?' remote_exists.side_effect = (remote_from_exists, remote_to_exists) execute.side_effect = ('-rw-rw-r-- 1 foo foo 4490 Dez 11 22:24 %s' % to_file, None) self.role.remote_symlink(from_file, to_file, sudo=sudo) self.assertEqual(remote_exists.mock_calls, [ call(from_file), call(to_file), ]) self.assertEqual(execute.mock_calls, [ call('ls -la %s' % to_file, stdout=False, sudo=sudo), ]) @istest def doesnt_create_symlink_if_symlink_with_same_name_already_exists(self): with self.execute_mock() as execute, self.mock_role_method('remote_exists') as remote_exists: from_file = '/from/file' to_file = '/to/file' remote_from_exists = True remote_to_exists = True sudo = 'is it sudo?' remote_exists.side_effect = (remote_from_exists, remote_to_exists) execute.side_effect = ('-rw-rw-r-- 1 foo foo 4490 Dez 11 22:24 %s -> %s' % (to_file, from_file), None) self.role.remote_symlink(from_file, to_file, sudo=sudo) self.assertEqual(remote_exists.mock_calls, [ call(from_file), call(to_file), ]) self.assertEqual(execute.mock_calls, [ call('ls -la %s' % to_file, stdout=False, sudo=sudo), ]) @istest def raises_exception_if_remote_file_doesnt_exist(self): with self.mock_role_method('remote_exists') as remote_exists: from_file = '/from/file' to_file = '/to/file' remote_from_exists = False remote_exists.side_effect = (remote_from_exists, ) self.assertRaises(RuntimeError, self.role.remote_symlink, from_file, to_file) @istest def renders_a_template_based_on_absolute_path(self): template_file = os.path.join(PROJECT_ROOT, 'tests', 'unit', 'fixtures', 'some_template.txt') options = {'foo': 'FOO!'} content = self.role.render(template_file, options) self.assertIn('foo=FOO!', content) @istest def renders_a_template_based_on_filename(self): template_dir = os.path.join(PROJECT_ROOT, 'tests', 'unit', 'fixtures') self.role.context['loader'] = FileSystemLoader(template_dir) template_file = 'some_template.txt' options = {'foo': 'FOO!'} content = self.role.render(template_file, options) self.assertIn('foo=FOO!', content) @istest def writes_ascii_content_to_a_temp_file(self): content = 'some content' temp_file = self.role.write_to_temp_file(content) try: self.assertEqual(os.path.dirname(temp_file), tempfile.gettempdir()) self.assertTrue(os.path.isfile(temp_file)) with open(temp_file) as f: saved_content = f.read().strip() self.assertEqual(saved_content, content) finally: os.remove(temp_file) @istest def writes_utf8_content_to_a_temp_file(self): content = u'Tarek Ziadé' temp_file = self.role.write_to_temp_file(content) try: self.assertEqual(os.path.dirname(temp_file), tempfile.gettempdir()) self.assertTrue(os.path.isfile(temp_file)) with open(temp_file) as f: saved_content = f.read().decode('utf-8').strip() self.assertEqual(saved_content, content) finally: os.remove(temp_file) @istest def creates_a_new_file_when_remote_doesnt_exist_during_update(self): to_file = '/etc/foo.conf' sudo = 'is it sudo?' owner = 'foo' with self.mock_update_data(), self.mock_role_methods('_force_update_file', 'remote_exists'): self.role.remote_exists.return_value = False self.assertTrue(self.role.update_file('some template', to_file, options='some options', sudo=sudo, owner=owner)) self.role._force_update_file.assert_called_with(to_file, sudo, self.update_data.local_temp_path, owner) @istest def updates_file_with_sudo_when_user_is_passed_but_sudo_not(self): to_file = '/etc/foo.conf' owner = 'foo' with self.mock_update_data(), self.mock_role_methods('put_file', 'change_path_owner', 'remote_exists'): self.role.remote_exists.return_value = False self.assertTrue(self.role.update_file('some template', to_file, options='some options', owner=owner)) self.role.put_file.assert_called_with(self.update_data.local_temp_path, to_file, True) @istest def doesnt_use_sudo_implicitly_if_owner_not_passed(self): to_file = '/etc/foo.conf' with self.mock_update_data(), self.mock_role_methods('put_file', 'change_path_owner', 'remote_exists'): self.role.remote_exists.return_value = False self.assertTrue(self.role.update_file('some template', to_file, options='some options')) self.role.put_file.assert_called_with(self.update_data.local_temp_path, to_file, False) @istest def updates_file_when_remote_exists_but_is_different(self): to_file = '/etc/foo.conf' sudo = 'is it sudo?' owner = 'foo' with self.mock_update_data(), self.mock_role_methods('_force_update_file', 'remote_exists'): self.role.remote_exists.return_value = True self.update_data.from_md5 = 'some local md5' self.update_data.to_md5 = 'some remote md5' self.assertTrue(self.role.update_file('some template', to_file, options='some options', sudo=sudo, owner=owner)) self.role._force_update_file.assert_called_with(to_file, sudo, self.update_data.local_temp_path, owner) @istest def cleans_temp_file_after_updating(self): to_file = '/etc/foo.conf' sudo = 'is it sudo?' owner = 'foo' with open(self.update_data.local_temp_path, 'w') as f: f.write('foo') with self.mock_update_data(), self.mock_role_methods('_force_update_file', 'remote_exists'): self.role.remote_exists.return_value = True self.role.update_file('some template', to_file, options='some options', sudo=sudo, owner=owner) self.assertFalse(os.path.exists(self.update_data.local_temp_path)) @istest def doesnt_update_file_when_content_is_the_same(self): to_file = '/etc/foo.conf' sudo = 'is it sudo?' owner = 'foo' with self.mock_update_data(), self.mock_role_methods('_force_update_file', 'remote_exists'): self.role.remote_exists.return_value = True self.update_data.from_md5 = 'same md5' self.update_data.to_md5 = 'same md5' result = self.role.update_file('some template', to_file, options='some options', sudo=sudo, owner=owner) self.assertFalse(result) self.assertFalse(self.role._force_update_file.called) @istest def builds_update_data(self): from_file = os.path.join(PROJECT_ROOT, 'tests', 'unit', 'fixtures', 'some_template.txt') to_file = '/etc/foo.conf' options = {'foo': 'FOO!'} local_temp_path = '/tmp/template-to-update' md5_local = 'some local md5' md5_remote = 'some remote md5' with self.mock_role_methods('write_to_temp_file', 'md5_local', 'md5_remote'): self.role.write_to_temp_file.return_value = local_temp_path self.role.md5_local.return_value = md5_local self.role.md5_remote.return_value = md5_remote update_data = self.role._build_update_data(from_file, options, to_file) self.assertEqual(update_data.local_temp_path, local_temp_path) self.assertEqual(update_data.from_md5, md5_local) self.assertEqual(update_data.to_md5, md5_remote) @istest def really_updates_file_without_owner(self): to_file = '/etc/foo.conf' local_temp_path = '/tmp/template-to-update' sudo = 'is it sudo?' owner = None with self.mock_role_method('put_file'): self.role._force_update_file(to_file, sudo, local_temp_path, owner) self.role.put_file.assert_called_with(local_temp_path, to_file, sudo) @istest def really_updates_file_with_owner(self): to_file = '/etc/foo.conf' local_temp_path = '/tmp/template-to-update' sudo = 'is it sudo?' owner = 'foo' with self.mock_role_methods('put_file', 'change_path_owner'): self.role._force_update_file(to_file, sudo, local_temp_path, owner) self.role.put_file.assert_called_with(local_temp_path, to_file, sudo) self.role.change_path_owner.assert_called_with(to_file, owner) @istest def checks_that_content_differs_when_md5_is_different(self): self.assertTrue(self.role._contents_differ('some local md5', 'some remote md5')) @istest def checks_that_content_doesnt_differ_when_md5_is_the_same(self): self.assertFalse(self.role._contents_differ('same md5', 'same md5')) @istest def checks_that_content_doesnt_differ_when_md5_is_the_same_even_with_spaces(self): self.assertFalse(self.role._contents_differ('same md5 ', ' same md5')) @istest def checks_that_content_differs_when_a_md5_is_none(self): self.assertTrue(self.role._contents_differ(None, 'some md5')) self.assertTrue(self.role._contents_differ('some md5', None)) self.assertFalse(self.role._contents_differ(None, None)) @istest def reads_a_remote_file(self): path = '/some/path' sudo = 'is it sudo?' content = 'some content' with self.mock_role_method('execute_python') as execute_python: execute_python.return_value = content self.assertEqual(self.role.read_remote_file(path, sudo), content) execute_python.assert_called_with("import codecs; print codecs.open('%s', 'r', 'utf-8').read()" % path, stdout=False, sudo=sudo) @istest def checks_that_a_process_is_running(self): process = 'nginx' sudo = 'is it sudo?' with self.execute_mock() as execute: execute.return_value = '0' self.assertTrue(self.role.is_process_running(process, sudo=sudo)) execute.assert_called_with('ps aux | egrep %s | egrep -v egrep > /dev/null;echo $?' % process, stdout=False, sudo=sudo) @istest def checks_that_a_process_is_not_running(self): process = 'nginx' sudo = 'is it sudo?' with self.execute_mock() as execute: execute.return_value = '1' self.assertFalse(self.role.is_process_running(process, sudo=sudo)) execute.assert_called_with('ps aux | egrep %s | egrep -v egrep > /dev/null;echo $?' % process, stdout=False, sudo=sudo) @istest def checks_that_a_file_has_a_certain_line(self): content = """ some content 127.0.0.1 localhost some other content """ file_path = '/some/path' line = '127.0.0.1 localhost' with self.mock_role_methods('remote_exists', 'read_remote_file'): self.role.remote_exists.return_value = True self.role.read_remote_file.return_value = content self.assertTrue(self.role.has_line(line, file_path)) self.role.remote_exists.assert_called_with(file_path) self.role.read_remote_file.assert_called_with(file_path) @istest def checks_that_a_file_has_a_certain_line_metachars(self): content = "some content\r\n127.0.0.1 localhost\r\nsome other content" file_path = '/some/path' line = '127.0.0.1 localhost' with self.mock_role_methods('remote_exists', 'read_remote_file'): self.role.remote_exists.return_value = True self.role.read_remote_file.return_value = content self.assertTrue(self.role.has_line(line, file_path)) self.role.remote_exists.assert_called_with(file_path) self.role.read_remote_file.assert_called_with(file_path) @istest def checks_that_a_file_doesnt_have_a_certain_line(self): content = """ some content 127.0.0.1 localhost some other content """ file_path = '/some/path' line = '192.168.0.1 my-gateway' with self.mock_role_methods('remote_exists', 'read_remote_file'): self.role.remote_exists.return_value = True self.role.read_remote_file.return_value = content self.assertFalse(self.role.has_line(line, file_path)) self.role.remote_exists.assert_called_with(file_path) self.role.read_remote_file.assert_called_with(file_path) @istest def checks_that_a_file_doesnt_have_a_certain_line_when_file_doesnt_exist(self): file_path = '/some/path' line = '192.168.0.1 my-gateway' with self.mock_role_methods('remote_exists', 'read_remote_file'): self.role.remote_exists.return_value = False self.assertFalse(self.role.has_line(line, file_path)) self.role.remote_exists.assert_called_with(file_path) self.assertFalse(self.role.read_remote_file.called) @istest def uses_role_context_manager(self): manager = self.role.using('some role') self.assertEqual(manager.role, 'some role') self.assertEqual(manager.context, self.role.context) self.assertEqual(manager.prov, self.role.prov) @istest def test_roles_in_context(self): dir = {} self.role.context["roles_in_context"] = dir self.assertIs(self.role.roles_in_context, dir) @istest def removes_paths_if_in_paths_to_remove(self): self.role._paths_to_remove.add("foo") with self.mock_role_method("remove_dir") as remove: self.role.cleanup() remove.assert_called_once_with("foo", True, True) @istest def assert_paths_to_remove_empty_on_creation(self): self.assertEqual(len(self.role._paths_to_remove), 0) @istest def assert_no_exception_on_error_while_deleting(self): self.role._paths_to_remove.add("foo") with patch("provy.core.roles.Role.remove_dir", Mock(side_effect=IOError)): self.role.cleanup() @istest def assert_error_logged_on_deleting(self): self.role._paths_to_remove.add("foo") with patch("provy.core.roles.Role.remove_dir", Mock(side_effect=IOError)): with self.mock_role_method("log") as log: self.role.cleanup() self.assertEqual(len(log.mock_calls), 1) @istest def test_remote_list_dir(self): with self.mock_role_method("execute_python") as execute: execute.return_value = "{}" self.role.remote_list_directory("/some/path") execute.assert_called_once_with('''import os, json; print json.dumps(os.listdir('/some/path'))''', False, True) @istest def puts_file_when_executing_python_script(self): sudo = 'is it sudo?' stdout = 'should it stdout?' with self.mock_role_methods('execute', 'create_remote_temp_file', 'put_file') as (execute, create_remote_temp_file, put_file): create_remote_temp_file.return_value = "/tmp/scriptfoo.py" self.role.execute_python_script("script", stdout, sudo) put_file.assert_called_once_with(ANY, "/tmp/scriptfoo.py", sudo, False) execute.assert_called_once_with( 'python "{}"'.format("/tmp/scriptfoo.py"), stdout, sudo ) @istest def test_script_converted(self): with patch.multiple("provy.core.roles.Role", execute=DEFAULT, create_remote_temp_file=DEFAULT, put_file=DEFAULT) as values: values['create_remote_temp_file'].return_value = "/tmp/scriptfoo.py" self.role.execute_python_script("script", False, False) self.assertTrue(isinstance(values['put_file'].mock_calls[0][1][0], StringIO)) @istest def test_script_file_not_converted(self): script = Mock(spec=file) with patch.multiple("provy.core.roles.Role", execute=DEFAULT, create_remote_temp_file=DEFAULT, put_file=DEFAULT) as values: values['create_remote_temp_file'].return_value = "/tmp/scriptfoo.py" self.role.execute_python_script(script, False, False) self.assertIs(values['put_file'].mock_calls[0][1][0], script)
class RemoteTempFileTests(ProvyTestCase): def any_context(self): return {'used_roles': {}} def setUp(self): super(RemoteTempFileTests, self).setUp() self.instance = Role(None, self.any_context()) self.patcher = patch("provy.core.roles.Role.remote_temp_dir", Mock(return_value="/tmp")) self.patcher.start() self.ensure_dir_patcher = patch("provy.core.roles.Role.ensure_dir", Mock(return_value="/tmp")) self.ensure_dir_patcher.start() def tearDown(self): self.patcher.stop() self.ensure_dir_patcher.stop() @istest def file_created_in_tempdir(self): file = self.instance.create_remote_temp_file("foo") self.assertTrue(file.startswith("/tmp")) @istest def directory_created_with_proper_name(self): dir = self.instance.create_remote_temp_dir("foobar") self.assertEqual("/tmp/foobar", dir) self.assertEqual(list(self.instance._paths_to_remove)[0], '/tmp/foobar') @istest def directory_created_without_cleanup(self): dir = self.instance.create_remote_temp_dir("foobar", cleanup=False) self.assertEqual("/tmp/foobar", dir) self.assertEqual(self.instance._paths_to_remove, set()) @istest def file_created_with_proper_suffix(self): file = self.instance.create_remote_temp_file(suffix="sql") self.assertEqual(file[-3:], "sql") @istest def files_will_be_deleted_on_cleanup_if_requested(self): file = self.instance.create_remote_temp_file(cleanup=True) self.assertIn(file, self.instance._paths_to_remove) @istest def directories_will_be_deleted_on_cleanup_if_requested(self): directory = self.instance.create_remote_temp_dir(cleanup=True) self.assertIn(directory, self.instance._paths_to_remove) @istest def files_will_not_be_deleted_on_cleanup_if_requested(self): file = self.instance.create_remote_temp_file(cleanup=False) self.assertNotIn(file, self.instance._paths_to_remove) @istest def directories_will_not_be_deleted_on_cleanup_if_requested(self): dirs = self.instance.create_remote_temp_file(cleanup=False) self.assertNotIn(dirs, self.instance._paths_to_remove) @istest def check_if_random_files_have_different_names(self): dirs = set() for _ in range(100): dirs.add(self.instance.create_remote_temp_file()) self.assertEqual(len(dirs), 100) @istest def check_if_random_directories_have_different_names(self): dirs = set() for _ in range(100): dirs.add(self.instance.create_remote_temp_dir()) self.assertEqual(len(dirs), 100) @istest def check_if_directories_have_proper_mode(self): mode = "666" with self.mock_role_method("change_path_mode") as change_path_mode: dir = self.instance.create_remote_temp_dir(chmod=mode) change_path_mode.assert_called_once_with(dir, mode) @istest def check_if_directories_have_proper_owner(self): owner = "user" self.instance.create_remote_temp_dir(owner=owner) self.instance.ensure_dir.assert_called_once_with(ANY, owner, ANY)
def setUp(self): self.role = Role(prov=None, context={}) self.using_mocks = {}
def setUp(self): self.role = Role(prov=None, context={})
class RoleTest(ProvyTestCase): def setUp(self): self.role = Role(prov=None, context={}) @istest def checks_if_a_remote_directory_exists(self): with self.execute_mock() as execute: execute.return_value = '0' self.assertTrue(self.role.remote_exists_dir('/some_path')) execute.assert_called_with('test -d /some_path; echo $?', stdout=False, sudo=True) @istest def checks_if_a_remote_directory_doesnt_exist(self): with self.execute_mock() as execute: execute.return_value = '1' self.assertFalse(self.role.remote_exists_dir('/some_path')) execute.assert_called_with('test -d /some_path; echo $?', stdout=False, sudo=True) @istest def doesnt_create_directory_if_it_already_exists(self): with self.mock_role_method('remote_exists_dir') as remote_exists_dir, self.execute_mock() as execute: remote_exists_dir.return_value = True self.role.ensure_dir('/some_path') self.assertFalse(execute.called) @istest def creates_the_directory_if_it_doesnt_exist(self): with self.mock_role_method('remote_exists_dir') as remote_exists_dir, self.execute_mock() as execute: remote_exists_dir.return_value = False self.role.ensure_dir('/some_path') execute.assert_called_with('mkdir -p /some_path', stdout=False, sudo=False) @istest def gets_distro_info_for_debian(self): with self.execute_mock() as execute: execute.return_value = 'No LSB modules are available.\nDistributor ID:\tDebian\nDescription:\tDebian GNU/Linux 6.0.5 (squeeze)\nRelease:\t6.0.5\nCodename:\tsqueeze' distro_info = self.role.get_distro_info() execute.assert_called_with('lsb_release -a') self.assertEqual(distro_info.distributor_id, 'Debian') self.assertEqual(distro_info.description, 'Debian GNU/Linux 6.0.5 (squeeze)') self.assertEqual(distro_info.release, '6.0.5') self.assertEqual(distro_info.codename, 'squeeze') @istest def gets_distro_info_for_ubuntu(self): with self.execute_mock() as execute: execute.return_value = 'No LSB modules are available.\r\nDistributor ID:\tUbuntu\r\nDescription:\tUbuntu 12.04.1 LTS\r\nRelease:\t12.04\r\nCodename:\tprecise' distro_info = self.role.get_distro_info() execute.assert_called_with('lsb_release -a') self.assertEqual(distro_info.distributor_id, 'Ubuntu') self.assertEqual(distro_info.description, 'Ubuntu 12.04.1 LTS') self.assertEqual(distro_info.release, '12.04') self.assertEqual(distro_info.codename, 'precise') @istest def gets_distro_info_for_centos(self): with self.execute_mock() as execute: execute.return_value = 'LSB Version:\t:core-4.0-ia32:core-4.0-noarch:graphics-4.0-ia32:graphics-4.0-noarch:printing-4.0-ia32:printing-4.0-noarch\nDistributor ID:\tCentOS\nDescription:\tCentOS release 5.8 (Final)\nRelease:\t5.8\nCodename:\tFinal' distro_info = self.role.get_distro_info() execute.assert_called_with('lsb_release -a') self.assertEqual(distro_info.lsb_version, ':core-4.0-ia32:core-4.0-noarch:graphics-4.0-ia32:graphics-4.0-noarch:printing-4.0-ia32:printing-4.0-noarch') self.assertEqual(distro_info.distributor_id, 'CentOS') self.assertEqual(distro_info.description, 'CentOS release 5.8 (Final)') self.assertEqual(distro_info.release, '5.8') self.assertEqual(distro_info.codename, 'Final')
class RoleTest(ProvyTestCase): def setUp(self): loader = ChoiceLoader([ FileSystemLoader(os.path.join(PROJECT_ROOT, 'files')) ]) context = { 'owner': 'foo', 'registered_loaders': [], 'loader': loader, 'cleanup': [], 'host': 'localhost', } self.role = Role(prov=None, context=context) self.update_data = UpdateData('/tmp/some-file.ext', 'some local md5', 'some remote md5') @contextmanager def mock_update_data(self): with self.mock_role_method('_build_update_data'): self.role._build_update_data.return_value = self.update_data yield @istest def checks_if_a_remote_directory_exists(self): with self.execute_mock() as execute: execute.return_value = '0' self.assertTrue(self.role.remote_exists_dir('/some_path')) execute.assert_called_with('test -d /some_path; echo $?', stdout=False, sudo=True) @istest def checks_if_a_remote_directory_doesnt_exist(self): with self.execute_mock() as execute: execute.return_value = '1' self.assertFalse(self.role.remote_exists_dir('/some_path')) execute.assert_called_with('test -d /some_path; echo $?', stdout=False, sudo=True) @istest def doesnt_create_directory_if_it_already_exists(self): with self.mock_role_method('remote_exists_dir') as remote_exists_dir, self.execute_mock() as execute: remote_exists_dir.return_value = True self.role.ensure_dir('/some_path') self.assertFalse(execute.called) @istest def creates_the_directory_if_it_doesnt_exist(self): with self.mock_role_method('remote_exists_dir') as remote_exists_dir, self.execute_mock() as execute: remote_exists_dir.return_value = False self.role.ensure_dir('/some_path') execute.assert_called_with('mkdir -p /some_path', stdout=False, sudo=False) @istest def gets_distro_info_for_debian(self): with self.execute_mock() as execute: execute.return_value = 'No LSB modules are available.\nDistributor ID:\tDebian\nDescription:\tDebian GNU/Linux 6.0.5 (squeeze)\nRelease:\t6.0.5\nCodename:\tsqueeze' distro_info = self.role.get_distro_info() execute.assert_called_with('lsb_release -a') self.assertEqual(distro_info.distributor_id, 'Debian') self.assertEqual(distro_info.description, 'Debian GNU/Linux 6.0.5 (squeeze)') self.assertEqual(distro_info.release, '6.0.5') self.assertEqual(distro_info.codename, 'squeeze') @istest def gets_distro_info_for_ubuntu(self): with self.execute_mock() as execute: execute.return_value = 'No LSB modules are available.\r\nDistributor ID:\tUbuntu\r\nDescription:\tUbuntu 12.04.1 LTS\r\nRelease:\t12.04\r\nCodename:\tprecise' distro_info = self.role.get_distro_info() execute.assert_called_with('lsb_release -a') self.assertEqual(distro_info.distributor_id, 'Ubuntu') self.assertEqual(distro_info.description, 'Ubuntu 12.04.1 LTS') self.assertEqual(distro_info.release, '12.04') self.assertEqual(distro_info.codename, 'precise') @istest def gets_distro_info_for_centos(self): with self.execute_mock() as execute: execute.return_value = 'LSB Version:\t:core-4.0-ia32:core-4.0-noarch:graphics-4.0-ia32:graphics-4.0-noarch:printing-4.0-ia32:printing-4.0-noarch\nDistributor ID:\tCentOS\nDescription:\tCentOS release 5.8 (Final)\nRelease:\t5.8\nCodename:\tFinal' distro_info = self.role.get_distro_info() execute.assert_called_with('lsb_release -a') self.assertEqual(distro_info.lsb_version, ':core-4.0-ia32:core-4.0-noarch:graphics-4.0-ia32:graphics-4.0-noarch:printing-4.0-ia32:printing-4.0-noarch') self.assertEqual(distro_info.distributor_id, 'CentOS') self.assertEqual(distro_info.description, 'CentOS release 5.8 (Final)') self.assertEqual(distro_info.release, '5.8') self.assertEqual(distro_info.codename, 'Final') @istest def ignores_line_if_already_exists_in_file(self): with self.mock_role_method('has_line') as has_line, self.execute_mock() as execute: has_line.return_value = True self.role.ensure_line('this line in', '/some/file') self.assertFalse(execute.called) @istest def inserts_line_if_it_doesnt_exist_yet(self): with self.mock_role_method('has_line') as has_line, self.execute_mock() as execute: has_line.return_value = False self.role.ensure_line('this line in', '/some/file') execute.assert_called_with('echo "this line in" >> /some/file', stdout=False, sudo=False, user=None) @istest def inserts_line_with_sudo(self): with self.mock_role_method('has_line') as has_line, self.execute_mock() as execute: has_line.return_value = False self.role.ensure_line('this line in', '/some/file', sudo=True) execute.assert_called_with('echo "this line in" >> /some/file', stdout=False, sudo=True, user=None) @istest def inserts_line_with_specific_user(self): with self.mock_role_method('has_line') as has_line, self.execute_mock() as execute: has_line.return_value = False self.role.ensure_line('this line in', '/some/file', owner='foo') execute.assert_called_with('echo "this line in" >> /some/file', stdout=False, sudo=False, user='******') @istest def registers_a_template_loader(self): package_name = 'provy.more.debian.monitoring' self.assertNotIn(package_name, self.role.context['registered_loaders']) self.role.register_template_loader(package_name) self.assertIn(package_name, self.role.context['registered_loaders']) choice_loader = self.role.context['loader'] package_loader = choice_loader.loaders[1] self.assertIn('monitoring', package_loader.provider.module_path) @istest def appends_role_instance_to_cleanup_list_when_scheduling_cleanup(self): self.assertEqual(self.role.context['cleanup'], []) self.role.schedule_cleanup() self.assertEqual(self.role.context['cleanup'], [self.role]) @istest def doesnt_append_again_if_role_is_already_in_cleanup_list(self): same_class_instance = Role(None, {}) self.role.context['cleanup'] = [same_class_instance] self.role.schedule_cleanup() self.assertEqual(self.role.context['cleanup'], [same_class_instance]) @istest def provisions_role(self): role_instance = MagicMock() def StubRole(prov, context): return role_instance self.role.provision_role(StubRole) role_instance.provision.assert_called_with() @istest def schedules_cleanup_when_provisioning(self): role_instance = MagicMock() def StubRole(prov, context): return role_instance self.role.provision_role(StubRole) role_instance.schedule_cleanup.assert_called_with() @istest def can_call_cleanup_safely(self): self.role.cleanup() @istest def executes_command_with_stdout_and_same_user(self): with patch('fabric.api.run') as run: self.role.execute('some command', stdout=True) run.assert_called_with('some command') @istest def executes_command_with_stdout_and_sudo(self): with patch('fabric.api.sudo') as sudo: self.role.execute('some command', stdout=True, sudo=True) sudo.assert_called_with('some command', user=None) @istest def executes_command_with_stdout_and_another_user(self): with patch('fabric.api.sudo') as sudo: self.role.execute('some command', stdout=True, user='******') sudo.assert_called_with('some command', user='******') @istest def executes_command_without_stdout_but_same_user(self): with patch('fabric.api.run') as run, patch('fabric.api.hide') as hide: self.role.execute('some command', stdout=False) run.assert_called_with('some command') hide.assert_called_with('warnings', 'running', 'stdout', 'stderr') @istest def executes_command_without_stdout_but_sudo(self): with patch('fabric.api.sudo') as sudo, patch('fabric.api.hide') as hide: self.role.execute('some command', stdout=False, sudo=True) sudo.assert_called_with('some command', user=None) hide.assert_called_with('warnings', 'running', 'stdout', 'stderr') @istest def executes_command_without_stdout_but_another_user(self): with patch('fabric.api.sudo') as sudo, patch('fabric.api.hide') as hide: self.role.execute('some command', stdout=False, user='******') sudo.assert_called_with('some command', user='******') hide.assert_called_with('warnings', 'running', 'stdout', 'stderr') @istest def executes_a_local_command_with_stdout_and_same_user(self): with patch('fabric.api.local') as local: local.return_value = 'some result' self.assertEqual(self.role.execute_local('some command', stdout=True), 'some result') local.assert_called_with('some command', capture=True) @istest def executes_a_local_command_with_stdout_and_sudo(self): with patch('fabric.api.local') as local: local.return_value = 'some result' self.assertEqual(self.role.execute_local('some command', stdout=True, sudo=True), 'some result') local.assert_called_with('sudo some command', capture=True) @istest def executes_a_local_command_with_stdout_and_another_user(self): with patch('fabric.api.local') as local: local.return_value = 'some result' self.assertEqual(self.role.execute_local('some command', stdout=True, user='******'), 'some result') local.assert_called_with('sudo -u foo some command', capture=True) @istest def executes_a_local_command_without_stdout_and_another_user(self): with patch('fabric.api.local') as local, patch('fabric.api.hide') as hide: local.return_value = 'some result' self.assertEqual(self.role.execute_local('some command', stdout=False, user='******'), 'some result') local.assert_called_with('sudo -u foo some command', capture=True) hide.assert_called_with('warnings', 'running', 'stdout', 'stderr') @istest def executes_a_python_command(self): with self.execute_mock() as execute: self.role.execute_python('some command', stdout='is stdout?', sudo='is sudo?') execute.assert_called_with('python -c "some command"', stdout='is stdout?', sudo='is sudo?') @istest def gets_logged_user(self): with self.execute_mock() as execute: execute.return_value = 'some user' user = self.role.get_logged_user() self.assertEqual(user, 'some user') execute.assert_called_with('whoami', stdout=False) @istest def verifies_that_remote_file_exists(self): with self.execute_mock() as execute: execute.return_value = '0' self.assertTrue(self.role.remote_exists('/some.path')) execute.assert_called_with('test -f /some.path; echo $?', stdout=False, sudo=True) @istest def verifies_that_remote_file_doesnt_exist(self): with self.execute_mock() as execute: execute.return_value = '1' self.assertFalse(self.role.remote_exists('/some.path')) execute.assert_called_with('test -f /some.path; echo $?', stdout=False, sudo=True) @istest def verifies_that_a_local_file_exists(self): file_to_verify = os.path.abspath(__file__) self.assertTrue(self.role.local_exists(file_to_verify)) @istest def verifies_that_a_local_file_doesnt_exist(self): file_to_verify = '/some/sneaky.file' self.assertFalse(self.role.local_exists(file_to_verify)) @istest def creates_a_local_temp_dir(self): self.assertTrue(self.role.local_temp_dir().startswith('/tmp')) @istest def creates_a_remote_temp_dir(self): with self.mock_role_method('execute_python') as execute_python: execute_python.return_value = '/some/remote/temp/dir' directory = self.role.remote_temp_dir() self.assertEqual(directory, '/some/remote/temp/dir') execute_python.assert_called_with('from tempfile import gettempdir; print gettempdir()', stdout=False) @istest def changes_the_owner_of_a_directory(self): with self.execute_mock() as execute: self.role.change_dir_owner('/some/dir', 'foo') execute.assert_called_with('chown -R foo /some/dir', stdout=False, sudo=True) @istest def changes_the_owner_of_a_file(self): with self.execute_mock() as execute: self.role.change_file_owner('/some/file.ext', 'foo') execute.assert_called_with('chown -R foo /some/file.ext', stdout=False, sudo=True) @istest def changes_the_owner_of_a_path(self): with self.execute_mock() as execute: self.role.change_path_owner('/some/path', 'foo') execute.assert_called_with('chown -R foo /some/path', stdout=False, sudo=True) @istest def creates_a_directory_when_it_doesnt_exist_yet(self): with self.execute_mock() as execute, self.mock_role_method('remote_exists_dir') as remote_exists_dir: remote_exists_dir.return_value = False self.role.ensure_dir('/some/dir') execute.assert_called_with('mkdir -p /some/dir', stdout=False, sudo=False) @istest def creates_a_directory_with_sudo_when_it_doesnt_exist_yet(self): with self.execute_mock() as execute, self.mock_role_method('remote_exists_dir') as remote_exists_dir: remote_exists_dir.return_value = False self.role.ensure_dir('/some/dir', sudo=True) execute.assert_called_with('mkdir -p /some/dir', stdout=False, sudo=True) @istest def creates_a_directory_with_specific_user_when_it_doesnt_exist_yet(self): with self.execute_mock() as execute, self.mock_role_method('remote_exists_dir') as remote_exists_dir, self.mock_role_method('change_path_owner') as change_path_owner: remote_exists_dir.return_value = False self.role.ensure_dir('/some/dir', owner='foo') execute.assert_called_with('mkdir -p /some/dir', stdout=False, sudo=True) change_path_owner.assert_called_with('/some/dir', 'foo') @istest def gets_object_mode_from_remote_file(self): with self.execute_mock() as execute, self.mock_role_method('remote_exists') as remote_exists: remote_exists.return_value = True execute.return_value = '755\n' self.assertEqual(self.role.get_object_mode('/some/file.ext'), 755) execute.assert_called_with('stat -c %a /some/file.ext', stdout=False, sudo=True) @istest def cannot_get_mode_if_file_doesnt_exist(self): with self.execute_mock(), self.mock_role_method('remote_exists') as remote_exists, self.mock_role_method('remote_exists_dir') as remote_exists_dir: remote_exists.return_value = False remote_exists_dir.return_value = False self.assertRaises(IOError, self.role.get_object_mode, '/some/file.ext') @istest def changes_the_mode_of_a_path_if_its_different(self): with self.execute_mock() as execute, self.mock_role_method('get_object_mode') as get_object_mode: get_object_mode.return_value = 644 self.role.change_path_mode('/some/path', 755) execute.assert_called_with('chmod 755 /some/path', stdout=False, sudo=True) @istest def recursively_changes_the_mode_of_a_path_if_its_different(self): with self.execute_mock() as execute, self.mock_role_method('get_object_mode') as get_object_mode: get_object_mode.return_value = 644 self.role.change_path_mode('/some/path', 755, recursive=True) execute.assert_called_with('chmod -R 755 /some/path', stdout=False, sudo=True) @istest def doesnt_change_path_mode_if_its_the_same(self): with self.execute_mock() as execute, self.mock_role_method('get_object_mode') as get_object_mode: get_object_mode.return_value = 755 self.role.change_path_mode('/some/path', 755) self.assertFalse(execute.called) @istest def recursively_changes_the_mode_of_a_path_even_if_the_mode_of_the_parent_path_is_the_same(self): with self.execute_mock() as execute, self.mock_role_method('get_object_mode') as get_object_mode: get_object_mode.return_value = 755 self.role.change_path_mode('/some/path', 755, recursive=True) execute.assert_called_with('chmod -R 755 /some/path', stdout=False, sudo=True) @istest def changes_the_mode_of_a_directory(self): with self.mock_role_method('change_path_mode') as change_path_mode: self.role.change_dir_mode('/some/dir', 755, recursive='is it recursive?') change_path_mode.assert_called_with('/some/dir', 755, recursive='is it recursive?') @istest def changes_the_mode_of_a_file(self): with self.mock_role_method('change_path_mode') as change_path_mode: self.role.change_file_mode('/some/file.ext', 755) change_path_mode.assert_called_with('/some/file.ext', 755) @istest def gets_the_md5_hash_of_a_local_file(self): with self.mock_role_method('execute_local') as execute_local, self.mock_role_method('local_exists') as local_exists: local_exists.return_value = True execute_local.return_value = 'some-hash\n' self.assertEqual(self.role.md5_local('/some/path'), 'some-hash') execute_local.assert_called_with('md5sum /some/path | cut -d " " -f 1', stdout=False, sudo=True) @istest def returns_none_if_local_file_doesnt_exist_for_md5_hash(self): with self.mock_role_method('execute_local') as execute_local, self.mock_role_method('local_exists') as local_exists: local_exists.return_value = False self.assertIsNone(self.role.md5_local('/some/path')) self.assertFalse(execute_local.called) @istest def gets_the_md5_hash_of_a_remote_file(self): with self.execute_mock() as execute, self.mock_role_method('remote_exists') as remote_exists: remote_exists.return_value = True execute.return_value = 'some-hash\n' self.assertEqual(self.role.md5_remote('/some/path'), 'some-hash') execute.assert_called_with('md5sum /some/path | cut -d " " -f 1', stdout=False, sudo=True) @istest def returns_none_if_remote_file_doesnt_exist_for_md5_hash(self): with self.execute_mock() as execute, self.mock_role_method('remote_exists') as remote_exists: remote_exists.return_value = False self.assertIsNone(self.role.md5_remote('/some/path')) self.assertFalse(execute.called) @istest def removes_a_directory_if_it_exists(self): with self.execute_mock() as execute, self.mock_role_method('remote_exists_dir') as remote_exists_dir: remote_exists_dir.return_value = True self.assertTrue(self.role.remove_dir('/some/dir')) execute.assert_called_with('rmdir /some/dir', stdout=False, sudo=False) @istest def doesnt_remove_a_directory_if_it_doesnt_exist(self): with self.execute_mock() as execute, self.mock_role_method('remote_exists_dir') as remote_exists_dir: remote_exists_dir.return_value = False self.assertFalse(self.role.remove_dir('/some/dir')) self.assertFalse(execute.called) @istest def removes_a_directory_recursively_if_it_exists(self): with self.execute_mock() as execute, self.mock_role_method('remote_exists_dir') as remote_exists_dir: remote_exists_dir.return_value = True self.assertTrue(self.role.remove_dir('/some/dir', recursive=True)) execute.assert_called_with('rm -rf /some/dir', stdout=False, sudo=False) @istest def removes_a_directory_as_sudo_if_it_exists(self): with self.execute_mock() as execute, self.mock_role_method('remote_exists_dir') as remote_exists_dir: remote_exists_dir.return_value = True self.assertTrue(self.role.remove_dir('/some/dir', sudo=True)) execute.assert_called_with('rmdir /some/dir', stdout=False, sudo=True) @istest def removes_a_file_if_it_exists(self): with self.execute_mock() as execute, self.mock_role_method('remote_exists') as remote_exists: remote_exists.return_value = True self.assertTrue(self.role.remove_file('/some/file.ext')) execute.assert_called_with('rm -f /some/file.ext', stdout=False, sudo=False) @istest def doesnt_remove_a_file_if_it_doesnt_exist(self): with self.execute_mock() as execute, self.mock_role_method('remote_exists') as remote_exists: remote_exists.return_value = False self.assertFalse(self.role.remove_file('/some/dir')) self.assertFalse(execute.called) @istest def removes_a_file_as_sudo_if_it_exists(self): with self.execute_mock() as execute, self.mock_role_method('remote_exists') as remote_exists: remote_exists.return_value = True self.assertTrue(self.role.remove_file('/some/file.ext', sudo=True)) execute.assert_called_with('rm -f /some/file.ext', stdout=False, sudo=True) @istest def puts_a_file_in_the_remote_path(self): with patch('fabric.api.put') as put: self.role.put_file('/from/file', '/to/file') put.assert_called_with('/from/file', '/to/file', use_sudo=False) @istest def puts_a_file_as_sudo_in_the_remote_path(self): with patch('fabric.api.put') as put: self.role.put_file('/from/file', '/to/file', sudo=True) put.assert_called_with('/from/file', '/to/file', use_sudo=True) @istest def replaces_a_file(self): with self.mock_role_method('put_file') as put_file: self.role.replace_file('/from/file', '/to/file') put_file.assert_called_with('/from/file', '/to/file') @istest def creates_a_remote_symbolic_link_if_it_doesnt_exist_yet(self): with self.execute_mock() as execute, self.mock_role_method('remote_exists') as remote_exists: from_file = '/from/file' to_file = '/to/file' remote_from_exists = True remote_to_exists = False sudo = 'is it sudo?' remote_exists.side_effect = (remote_from_exists, remote_to_exists) self.role.remote_symlink(from_file, to_file, sudo=sudo) self.assertEqual(remote_exists.mock_calls, [ call(from_file), call(to_file), ]) execute.assert_called_with('ln -sf %s %s' % (from_file, to_file), sudo=sudo, stdout=False) @istest def creates_a_remote_symbolic_link_if_it_exists_but_with_different_path(self): with self.execute_mock() as execute, self.mock_role_method('remote_exists') as remote_exists: from_file = '/from/file' to_file = '/to/file' another_from_file = '/another/from/file' remote_from_exists = True remote_to_exists = True sudo = 'is it sudo?' remote_exists.side_effect = (remote_from_exists, remote_to_exists) execute.side_effect = ('-rw-rw-r-- 1 foo foo 4490 Dez 11 22:24 %s -> %s' % (to_file, another_from_file), None) self.role.remote_symlink(from_file, to_file, sudo=sudo) self.assertEqual(remote_exists.mock_calls, [ call(from_file), call(to_file), ]) self.assertEqual(execute.mock_calls, [ call('ls -la %s' % to_file, stdout=False, sudo=sudo), call('ln -sf %s %s' % (from_file, to_file), sudo=sudo, stdout=False), ]) @istest def raises_exception_if_remote_file_doesnt_exist(self): with self.mock_role_method('remote_exists') as remote_exists: from_file = '/from/file' to_file = '/to/file' remote_from_exists = False remote_exists.side_effect = (remote_from_exists, ) self.assertRaises(RuntimeError, self.role.remote_symlink, from_file, to_file) @istest def renders_a_template_based_on_absolute_path(self): template_file = os.path.join(PROJECT_ROOT, 'tests', 'unit', 'fixtures', 'some_template.txt') options = {'foo': 'FOO!'} content = self.role.render(template_file, options) self.assertIn('foo=FOO!', content) @istest def renders_a_template_based_on_filename(self): template_dir = os.path.join(PROJECT_ROOT, 'tests', 'unit', 'fixtures') self.role.context['loader'] = FileSystemLoader(template_dir) template_file = 'some_template.txt' options = {'foo': 'FOO!'} content = self.role.render(template_file, options) self.assertIn('foo=FOO!', content) @istest def writes_content_to_a_temp_file(self): content = 'some content' temp_file = self.role.write_to_temp_file(content) self.assertRegexpMatches(temp_file, r'%s/.+' % tempfile.gettempdir()) with open(temp_file) as f: saved_content = f.read().strip() self.assertEqual(saved_content, content) @istest def creates_a_new_file_when_remote_doesnt_exist_during_update(self): to_file = '/etc/foo.conf' sudo = 'is it sudo?' owner = 'foo' with self.mock_update_data(), self.mock_role_method('_force_update_file'), self.mock_role_method('remote_exists'): self.role.remote_exists.return_value = False self.assertTrue(self.role.update_file('some template', to_file, options='some options', sudo=sudo, owner=owner)) self.role._force_update_file.assert_called_with(to_file, sudo, self.update_data.local_temp_path, owner) @istest def updates_file_when_remote_exists_but_is_different(self): to_file = '/etc/foo.conf' sudo = 'is it sudo?' owner = 'foo' with self.mock_update_data(), self.mock_role_method('_force_update_file'), self.mock_role_method('remote_exists'): self.role.remote_exists.return_value = True self.update_data.from_md5 = 'some local md5' self.update_data.to_md5 = 'some remote md5' self.assertTrue(self.role.update_file('some template', to_file, options='some options', sudo=sudo, owner=owner)) self.role._force_update_file.assert_called_with(to_file, sudo, self.update_data.local_temp_path, owner) @istest def cleans_temp_file_after_updating(self): to_file = '/etc/foo.conf' sudo = 'is it sudo?' owner = 'foo' with open(self.update_data.local_temp_path, 'w') as f: f.write('foo') with self.mock_update_data(), self.mock_role_method('_force_update_file'), self.mock_role_method('remote_exists'): self.role.remote_exists.return_value = True self.role.update_file('some template', to_file, options='some options', sudo=sudo, owner=owner) self.assertFalse(os.path.exists(self.update_data.local_temp_path)) @istest def doesnt_update_file_when_content_is_the_same(self): to_file = '/etc/foo.conf' sudo = 'is it sudo?' owner = 'foo' with self.mock_update_data(), self.mock_role_method('_force_update_file'), self.mock_role_method('remote_exists'): self.role.remote_exists.return_value = True self.update_data.from_md5 = 'same md5' self.update_data.to_md5 = 'same md5' self.assertFalse(self.role.update_file('some template', to_file, options='some options', sudo=sudo, owner=owner)) self.assertFalse(self.role._force_update_file.called) @istest def builds_update_data(self): from_file = os.path.join(PROJECT_ROOT, 'tests', 'unit', 'fixtures', 'some_template.txt') to_file = '/etc/foo.conf' options = {'foo': 'FOO!'} local_temp_path = '/tmp/template-to-update' md5_local = 'some local md5' md5_remote = 'some remote md5' with self.mock_role_method('write_to_temp_file'), self.mock_role_method('md5_local'), self.mock_role_method('md5_remote'): self.role.write_to_temp_file.return_value = local_temp_path self.role.md5_local.return_value = md5_local self.role.md5_remote.return_value = md5_remote update_data = self.role._build_update_data(from_file, options, to_file) self.assertEqual(update_data.local_temp_path, local_temp_path) self.assertEqual(update_data.from_md5, md5_local) self.assertEqual(update_data.to_md5, md5_remote) @istest def really_updates_file_without_owner(self): to_file = '/etc/foo.conf' local_temp_path = '/tmp/template-to-update' sudo = 'is it sudo?' owner = None with self.mock_role_method('put_file'): self.role._force_update_file(to_file, sudo, local_temp_path, owner) self.role.put_file.assert_called_with(local_temp_path, to_file, sudo) @istest def really_updates_file_with_owner(self): to_file = '/etc/foo.conf' local_temp_path = '/tmp/template-to-update' sudo = 'is it sudo?' owner = 'foo' with self.mock_role_method('put_file'), self.mock_role_method('change_file_owner'): self.role._force_update_file(to_file, sudo, local_temp_path, owner) self.role.put_file.assert_called_with(local_temp_path, to_file, sudo) self.role.change_file_owner.assert_called_with(to_file, owner) @istest def checks_that_content_differs_when_md5_is_different(self): self.assertTrue(self.role._contents_differ('some local md5', 'some remote md5')) @istest def checks_that_content_doesnt_differ_when_md5_is_the_same(self): self.assertFalse(self.role._contents_differ('same md5', 'same md5')) @istest def checks_that_content_doesnt_differ_when_md5_is_the_same_even_with_spaces(self): self.assertFalse(self.role._contents_differ('same md5 ', ' same md5')) @istest def checks_that_content_differs_when_a_md5_is_none(self): self.assertTrue(self.role._contents_differ(None, 'some md5')) self.assertTrue(self.role._contents_differ('some md5', None)) self.assertFalse(self.role._contents_differ(None, None)) @istest def reads_a_remote_file(self): path = '/some/path' sudo = 'is it sudo?' content = 'some content' with self.mock_role_method('execute_python') as execute_python: execute_python.return_value = content self.assertEqual(self.role.read_remote_file(path, sudo), content) execute_python.assert_called_with("import codecs; print codecs.open('%s', 'r', 'utf-8').read()" % path, stdout=False, sudo=sudo) @istest def checks_that_a_process_is_running(self): process = 'nginx' sudo = 'is it sudo?' with self.execute_mock() as execute: execute.return_value = '0' self.assertTrue(self.role.is_process_running(process, sudo=sudo)) execute.assert_called_with('ps aux | egrep %s | egrep -v egrep > /dev/null;echo $?' % process, stdout=False, sudo=sudo) @istest def checks_that_a_process_is_not_running(self): process = 'nginx' sudo = 'is it sudo?' with self.execute_mock() as execute: execute.return_value = '1' self.assertFalse(self.role.is_process_running(process, sudo=sudo)) execute.assert_called_with('ps aux | egrep %s | egrep -v egrep > /dev/null;echo $?' % process, stdout=False, sudo=sudo) @istest def checks_that_a_file_has_a_certain_line(self): content = """ some content 127.0.0.1 localhost some other content """ file_path = '/some/path' line = '127.0.0.1 localhost' with self.mock_role_method('remote_exists'), self.mock_role_method('read_remote_file'): self.role.remote_exists.return_value = True self.role.read_remote_file.return_value = content self.assertTrue(self.role.has_line(line, file_path)) self.role.remote_exists.assert_called_with(file_path) self.role.read_remote_file.assert_called_with(file_path) @istest def checks_that_a_file_doesnt_have_a_certain_line(self): content = """ some content 127.0.0.1 localhost some other content """ file_path = '/some/path' line = '192.168.0.1 my-gateway' with self.mock_role_method('remote_exists'), self.mock_role_method('read_remote_file'): self.role.remote_exists.return_value = True self.role.read_remote_file.return_value = content self.assertFalse(self.role.has_line(line, file_path)) self.role.remote_exists.assert_called_with(file_path) self.role.read_remote_file.assert_called_with(file_path) @istest def checks_that_a_file_doesnt_have_a_certain_line_when_file_doesnt_exist(self): file_path = '/some/path' line = '192.168.0.1 my-gateway' with self.mock_role_method('remote_exists'), self.mock_role_method('read_remote_file'): self.role.remote_exists.return_value = False self.assertFalse(self.role.has_line(line, file_path)) self.role.remote_exists.assert_called_with(file_path) self.assertFalse(self.role.read_remote_file.called) @istest def uses_role_context_manager(self): manager = self.role.using('some role') self.assertEqual(manager.role, 'some role') self.assertEqual(manager.context, self.role.context) self.assertEqual(manager.prov, self.role.prov)