def test_can_determine_equality_between_package_dependencies(self):
"""fab.tests.dependency.system_package_dependency_test Can determine equality between package dependencies"""
package_dependency1a = SystemPackageDependency('package1', '1:1.1')
package_dependency1b = SystemPackageDependency('package1', '1:1.1')
self.assertEqual(package_dependency1a, package_dependency1a,
"Same instance should be equal to itself")
self.assertNotEqual(
SystemPackageDependency('package1', '1.1'),
SystemPackageDependency('package1', '1.2'),
"Package dependencies should be unequal when package versions differ"
)
self.assertNotEqual(
SystemPackageDependency('package1', '1.1'),
SystemPackageDependency('package2', '1.1'),
"Package dependencies should be unequal when package names differ")
self.assertNotEqual(
SystemPackageDependency('package1', '1.1'),
SystemPackageDependency('package2', '2.2'),
"Package dependencies should be unequal when both package names and versions differ"
)
self.assertEqual(
package_dependency1a, package_dependency1b,
"Different instances with same package name and version should be equal"
)
def test_can_create_package_dependency_from_given_package_specification(
self):
"""fab.tests.dependency.system_package_dependency_test Can create a package dependency from a given package specification"""
package_specification = {'name': 'libc6', 'version': '2.7-10ubuntu8'}
expected_package_dependency = SystemPackageDependency(
'libc6', '2.7-10ubuntu8')
self.assertEqual(
expected_package_dependency,
SystemPackageDependency.from_specification(package_specification))
def setUp(self):
super(SystemPackageDependencyTest, self).setUp()
self.mock_feedback = self.mox.CreateMock(ExecutionFeedback)
self.mock_package_inspector = self.mox.CreateMock(
UbuntuPackageInspector)
self.mock_package_info = self.mox.CreateMock(UbuntuPackageInfo)
self.minimum_package_version = "1:1.2"
self.system_package_dependency = SystemPackageDependency(
"package1", self.minimum_package_version)
def test_dependency_is_not_met_if_package_is_unknown(self):
"""fab.tests.dependency.system_package_dependency_test Dependency is not met if the package is unknown"""
system_package_dependency = SystemPackageDependency(
"nonexistent_package", self.minimum_package_version)
self.mock_package_inspector.info_for("nonexistent_package").AndRaise(
SystemExit)
self.mock_feedback.warn("Unknown package: nonexistent_package")
self.mox.ReplayAll()
self.assertFalse(
system_package_dependency.is_met(self.mock_package_inspector,
self.mock_feedback),
"System package dependency should not be met if package is unknown"
)
