def test_multiple_constraints(self):
fake_client = Mock(wraps=fake_juju_client())
with patch('assess_constraints.prepare_constraint_test',
autospec=True,
side_effect=[
{
'root-disk': '8G',
'cpu-power': '40'
},
{
'root-disk': '15G',
'cpu-power': '20'
},
{
'root-disk': '15G',
'cpu-power': '40'
},
]) as prepare_mock:
assess_multiple_constraints(fake_client,
'test',
root_disk='15G',
cpu_power='40')
self.assertEqual(3, prepare_mock.call_count)
prepare_mock.assert_has_calls([
call(fake_client, Constraints(cpu_power='40'), 'test-part0'),
call(fake_client, Constraints(root_disk='15G'), 'test-part1'),
call(fake_client, Constraints(root_disk='15G', cpu_power='40'),
'test-whole'),
])
def test_constraints_deploy_instance_type(self):
constraints_list = [
Constraints(instance_type='bar'),
Constraints(instance_type='baz')
]
expected_calls = ['instance-type=bar', 'instance-type=baz']
with self.prepare_deploy_mock() as (fake_client, deploy_mock):
fake_provider = fake_client.env.provider
with self.patch_instance_spec(fake_provider):
for constraints in constraints_list:
assess_constraints_deploy(fake_client, constraints,
'tests')
constraints_calls = self.gather_constraint_args(deploy_mock)
self.assertEqual(constraints_calls, expected_calls)
def test_deploy_charm_constraint(self):
fake_client = Mock(wraps=fake_juju_client())
charm_name = 'test-constraint'
charm_series = 'xenial'
constraints = Constraints(mem='10GB')
with temp_dir() as charm_dir:
with patch('assess_constraints.deploy_constraint',
autospec=True) as deploy_mock:
deploy_charm_constraint(fake_client, constraints, charm_name,
charm_series, charm_dir)
charm = os.path.join(charm_dir, charm_series, charm_name)
deploy_mock.assert_called_once_with(fake_client, constraints, charm,
charm_series, charm_dir)
def test_meets_instance_type(self):
constraints = Constraints(instance_type='t2.micro')
data1 = {'mem': '1G', 'cpu-power': '10', 'cores': '1'}
self.assertTrue(constraints.meets_instance_type(data1))
data2 = {'mem': '8G', 'cpu-power': '20', 'cores': '1'}
self.assertFalse(constraints.meets_instance_type(data2))
data3 = dict(data1, arch='amd64')
self.assertTrue(constraints.meets_instance_type(data3))
data4 = {'root-disk': '1G', 'cpu-power': '10', 'cores': '1'}
with self.assertRaises(JujuAssertionError):
constraints.meets_instance_type(data4)
def inner_test_constraints_deploy(self, tests_specs):
"""Run a test or series of tests on assess_constraints_deploy.
:param tests_spec: List of 3 tuples (Constraints args dict, expected
constraint argument on deploy, return value for data)."""
constraints_list = [spec[0] for spec in tests_specs]
expected_call_list = [spec[1] for spec in tests_specs]
patch_return_list = [spec[2] for spec in tests_specs]
with self.patch_hardware(patch_return_list):
with self.prepare_deploy_mock() as (fake_client, deploy_mock):
for constraints_args in constraints_list:
constraints = Constraints(**constraints_args)
assess_constraints_deploy(fake_client, constraints,
'tests')
constraints_calls = self.gather_constraint_args(deploy_mock)
self.assertEqual(constraints_calls, expected_call_list)
def test_meets_instance_type(self):
constraints = Constraints(instance_type='t2.micro')
data1 = {'mem': '1G', 'cpu-power': '10', 'cores': '1'}
self.assertTrue(constraints.meets_instance_type(data1))
data2 = {'mem': '8G', 'cpu-power': '20', 'cores': '1'}
self.assertFalse(constraints.meets_instance_type(data2))
data3 = dict(data1, arch='amd64')
self.assertTrue(constraints.meets_instance_type(data3))
data4 = {'root-disk': '1G', 'cpu-power': '10', 'cores': '1'}
with self.assertRaises(JujuAssertionError):
constraints.meets_instance_type(data4)
def test_deploy_constraint(self):
fake_client = Mock(wraps=fake_juju_client())
fake_client.attach_mock(Mock(), 'deploy')
fake_client.attach_mock(Mock(), 'wait_for_workloads')
charm_name = 'test-constraint'
charm_series = 'xenial'
constraints = Constraints(mem='10GB')
with temp_dir() as charm_dir:
charm = os.path.join(charm_dir, charm_series, charm_name)
deploy_constraint(fake_client, constraints, charm, charm_series,
charm_dir)
fake_client.deploy.assert_called_once_with(
charm,
series=charm_series,
repository=charm_dir,
constraints=str(constraints))
fake_client.wait_for_workloads.assert_called_once_with()
def test_meets_cpu_power(self):
constraints = Constraints(cpu_power='20')
self.assertTrue(constraints.meets_cpu_power('30'))
self.assertFalse(constraints.meets_cpu_power('10'))
def test_meets_cpu_power(self):
constraints = Constraints(cpu_power='20')
self.assertTrue(constraints.meets_cpu_power('30'))
self.assertFalse(constraints.meets_cpu_power('10'))
def test_meets_instance_type_fix(self):
constraints = Constraints(instance_type='t2.micro')
data = {'mem': '1G', 'cpu-power': '10', 'cpu-cores': '1'}
self.assertTrue(constraints.meets_instance_type(data))
def test_meets_arch(self):
constraints = Constraints(arch='amd64')
self.assertTrue(constraints.meets_arch('amd64'))
self.assertFalse(constraints.meets_arch('arm64'))
def test_meets_instance_type_none(self):
constraints = Constraints()
data = {'mem': '1G', 'cores': '1'}
self.assertTrue(constraints.meets_instance_type(data))
def test_meets_all(self):
constraints = Constraints(cores='2', arch='amd64')
data1 = {'cores': '2', 'arch': 'amd64'}
self.assertTrue(constraints.meets_all(data1))
data2 = {'cores': '1', 'arch': 'amd64'}
self.assertFalse(constraints.meets_all(data2))
def test_meets_cores(self):
constraints = Constraints(cores='2')
self.assertTrue(constraints.meets_cores('3'))
self.assertFalse(constraints.meets_cores('1'))
def test_meets_instance_type_fix(self):
constraints = Constraints(instance_type='t2.micro')
data = {'mem': '1G', 'cpu-power': '10', 'cpu-cores': '1'}
self.assertTrue(constraints.meets_instance_type(data))
def test_str_operator(self):
constraints = Constraints(mem='2G', root_disk='4G', virt_type='lxd')
self.assertEqual('mem=2G virt-type=lxd root-disk=4G', str(constraints))
def test_meets_instance_type_none(self):
constraints = Constraints()
data = {'mem': '1G', 'cores': '1'}
self.assertTrue(constraints.meets_instance_type(data))
def test_meets_cores(self):
constraints = Constraints(cores='2')
self.assertTrue(constraints.meets_cores('3'))
self.assertFalse(constraints.meets_cores('1'))
def test_meets_root_disk(self):
constraints = Constraints(root_disk='8G')
self.assertTrue(constraints.meets_root_disk('8G'))
self.assertFalse(constraints.meets_root_disk('4G'))
def test_meets_all(self):
constraints = Constraints(cores='2', arch='amd64')
data1 = {'cores': '2', 'arch': 'amd64'}
self.assertTrue(constraints.meets_all(data1))
data2 = {'cores': '1', 'arch': 'amd64'}
self.assertFalse(constraints.meets_all(data2))
def test_repr_operator(self):
self.assertEqual("Constraints()", repr(Constraints()))
constraints = Constraints(root_disk='4G', mem='2G')
self.assertEqual("Constraints(mem='2G', root_disk='4G')",
repr(constraints))
def test_meets_arch(self):
constraints = Constraints(arch='amd64')
self.assertTrue(constraints.meets_arch('amd64'))
self.assertFalse(constraints.meets_arch('arm64'))
def test_str_operator_none(self):
self.assertEqual('', str(Constraints()))
self.assertEqual('', str(Constraints(arch=None)))
def test_meets_root_disk(self):
constraints = Constraints(root_disk='8G')
self.assertTrue(constraints.meets_root_disk('8G'))
self.assertFalse(constraints.meets_root_disk('4G'))