def test_touch_updates_mtime_leaves_content_intact(tmpdir):
reference = str(tmpdir / 'reference')
with open(reference, 'w') as r:
r.write('Hello world')
c = Component()
os.utime(reference, (0, 0))
c.touch(reference)
assert os.stat(reference).st_mtime != 0
with open(reference, 'r') as r:
assert 'Hello world' == r.read()
def test_touch_updates_mtime_leaves_content_intact(tmpdir):
reference = str(tmpdir / "reference")
with open(reference, "w") as r:
r.write("Hello world")
c = Component()
os.utime(reference, (0, 0))
c.touch(reference)
assert os.stat(reference).st_mtime != 0
with open(reference, "r") as r:
assert "Hello world" == r.read()
def test_chdir_contextmanager_is_stackable():
outer = os.getcwd()
inner1 = os.path.join(os.path.dirname(__file__), 'fixture')
inner2 = os.path.join(os.path.dirname(__file__))
c = Component()
with c.chdir(inner1):
assert inner1 == os.getcwd()
with c.chdir(inner2):
assert inner2 == os.getcwd() # noqa
assert inner1 == os.getcwd()
assert outer == os.getcwd()
def test_component_with_unknown_arguments_raises_valueerror():
# Regression against bug #65
with pytest.raises(ValueError) as e:
Component("foo")
assert str(e.value) == "Namevar is undefined for this component."
with pytest.raises(ValueError) as e:
Component(asdf="foo")
assert str(e.value) == (
"The following arguments are unacceptable for this component "
"because they are either undefined or would override "
"methods: asdf")
def test_recursive_sub_component_iterator(root):
for x in range(3):
c = Component(name='x{}'.format(x))
root.component += c
for y in range(2):
c2 = Component(name='x{}y{}'.format(x, y))
c += c2
recursive = list(x.name for x in root.component.recursive_sub_components)
assert (['x0', 'x0y0', 'x0y1',
'x1', 'x1y0', 'x1y1',
'x2', 'x2y0', 'x2y1'] == recursive)
def test_acic_does_not_raise_if_newer(root):
c = Component()
c.last_updated = Mock(return_value=22)
root.component += c
c2 = Component()
c2.last_updated = Mock(return_value=21)
c.assert_component_is_current(c2)
def test_acic_accepts_multiple_components(root):
c = Component()
c.last_updated = Mock(return_value=20)
root.component += c
c2 = Component()
c2.last_updated = Mock(return_value=21)
with pytest.raises(batou.UpdateNeeded):
c.assert_component_is_current([c2, c2])
def test_acic_raises_if_older_reference(root):
c = Component()
c.last_updated = Mock(return_value=20)
root.component += c
c2 = Component()
c2.last_updated = Mock(return_value=21)
with pytest.raises(batou.UpdateNeeded):
c.assert_component_is_current(c2)
def test_cmd_execution_failed_gives_command_in_exception(mockroot):
c = Component()
c.prepare(mockroot)
with pytest.raises(CmdExecutionError) as e:
c.cmd('asdf')
assert e.value.cmd == 'asdf'
assert e.value.returncode == 127
def test_cmd_should_not_stop_if_process_expects_input(mockroot):
c = Component()
c.prepare(mockroot)
stdout, stderr = c.cmd('cat')
def test_init_with_no_arguments_creates_plain_component():
component = Component()
# Lazy initialized attribute
assert not hasattr(component, 'sub_components')
def test_init_keyword_args_update_dict():
component = Component(foobar=1)
assert 1 == component.foobar
def test_assert_no_changes_recursive_does_not_raise(root):
root.component += Component()
root.component.assert_no_changes()
def test_assert_cmd_when_succesful(mockroot):
c = Component()
c.prepare(mockroot)
c.assert_cmd('true')
def test_require_one_convenience_raises_if_no_result():
c = Component()
c.require = Mock(return_value=[])
with pytest.raises(SilentConfigurationError):
c.require_one('asdf')
def test_plain_component_runs_noop_configure_verify_update():
component = Component()
component.configure()
component.verify()
component.update()
def test_cmd_returns_output(mockroot):
c = Component()
c.prepare(mockroot)
assert ('1\n', '') == c.cmd('echo 1')
def test_cmd_expands_jinja(mockroot):
c = Component()
c.foo = 'asdf'
c.prepare(mockroot)
assert ('asdf\n', '') == c.cmd('echo "{{component.foo}}"')
def test_last_updated_not_implemented_on_base():
c = Component()
with pytest.raises(NotImplementedError):
c.last_updated()
def test_cmd_raises_if_error(mockroot):
c = Component()
c.prepare(mockroot)
with pytest.raises(CmdExecutionError):
c.cmd('non-existing-command')
def test_require_one_convenience_api_returns_scalar():
c = Component()
c.require = Mock(return_value=[1])
assert 1 == c.require_one('asdf')
def test_cmd_returns_output_if_ignore_returncode(mockroot):
c = Component()
c.prepare(mockroot)
out, err = c.cmd('echo important output && false', ignore_returncode=True)
assert 'important output\n' == out
def test_require_one_convenience_raises_if_more_results():
c = Component()
c.require = Mock(return_value=[1, 2])
with pytest.raises(KeyError):
c.require_one('asdf')
def test_ansc_raises_if_subcomponent_changed(root):
c2 = Component()
root.component += c2
c2.changed = True
with pytest.raises(batou.UpdateNeeded):
root.component.assert_no_subcomponent_changes()
def test_assert_cmd_when_unsuccessful(mockroot):
c = Component()
c.prepare(mockroot)
with pytest.raises(UpdateNeeded):
c.assert_cmd('false')
def test_afic_raises_if_file_isolder_than_reference(tmpdir, root):
component = Component()
root.component += component
with pytest.raises(batou.UpdateNeeded):
component.assert_file_is_current(__file__, [str(tmpdir)])
def test_assert_no_changes_recursive_raises(root):
c2 = Component()
root.component += c2
c2.changed = True
with pytest.raises(batou.UpdateNeeded):
root.component.assert_no_changes()
def test_afic_doesnt_raise_if_file_exists_but_no_reference_is_given(root):
component = Component()
root.component += component
component.assert_file_is_current(__file__)
def test_touch_creates_new_file(tmpdir):
reference = str(tmpdir / 'reference')
assert not os.path.exists(reference)
c = Component()
c.touch(reference)
assert os.path.exists(reference)
def test_ansc_does_not_raise_if_no_subcomponent_changed(root):
c2 = Component()
root.component += c2
c2.changed = False
root.component.assert_no_subcomponent_changes()
