def test_generate_download_requests(self, _working_directory_path):
"""
Assert correct operation of the generate_download_requests() method.
"""
_working_directory_path.return_value = self.working_dir
repo = mock.MagicMock()
conduit = mock.MagicMock()
config = plugin_config.PluginCallConfiguration(
{}, {
'feed': 'https://registry.example.com',
'upstream_name': 'busybox',
importer_constants.KEY_MAX_DOWNLOADS: 25
})
step = sync.SyncStep(repo, conduit, config)
step.step_get_local_blobs.units_to_download = [
models.Blob(digest=i) for i in ['cool', 'stuff']
]
requests = step.generate_download_requests()
requests = list(requests)
self.assertEqual(len(requests), 2)
self.assertEqual(requests[0].url,
'https://registry.example.com/v2/busybox/blobs/cool')
self.assertEqual(requests[0].destination,
os.path.join(self.working_dir, 'cool'))
self.assertEqual(requests[0].data, None)
self.assertEqual(requests[0].headers, None)
self.assertEqual(
requests[1].url,
'https://registry.example.com/v2/busybox/blobs/stuff')
self.assertEqual(requests[1].destination,
os.path.join(self.working_dir, 'stuff'))
self.assertEqual(requests[1].data, None)
self.assertEqual(requests[1].headers, None)
def test__validate_success_case(self):
"""
Assert that _validate() returns sucessfully when all required config keys are present.
"""
config = plugin_config.PluginCallConfiguration(
{}, {
'feed': 'https://registry.example.com',
'upstream_name': 'busybox',
importer_constants.KEY_MAX_DOWNLOADS: 25
})
# This should not raise an Exception
sync.SyncStep._validate(config)
def test__validate_missing_two_keys(self):
"""
Test the _validate() method when two required config keys are missing.
"""
config = plugin_config.PluginCallConfiguration(
{}, {importer_constants.KEY_MAX_DOWNLOADS: 25})
try:
sync.SyncStep._validate(config)
self.fail('An Exception should have been raised, but was not!')
except exceptions.MissingValue as e:
self.assertEqual(set(e.property_names),
set(['upstream_name', 'feed']))
def test___init___with_v2_registry(self, v1_api_check, api_version_check,
_validate, _working_directory_path):
"""
Test the __init__() method when the V2Repository does not raise a NotImplementedError with
the api_version_check() method, indicating that the feed URL is a Docker v2 registry.
"""
_working_directory_path.return_value = self.working_dir
repo = mock.MagicMock()
conduit = mock.MagicMock()
config = plugin_config.PluginCallConfiguration(
{}, {
'feed': 'https://registry.example.com',
'upstream_name': 'busybox',
importer_constants.KEY_MAX_DOWNLOADS: 25
})
step = sync.SyncStep(repo=repo, conduit=conduit, config=config)
self.assertEqual(step.description, _('Syncing Docker Repository'))
# The config should get validated
_validate.assert_called_once_with(config)
# available_blobs should have been initialized to an empty list
self.assertEqual(step.available_blobs, [])
self.assertEqual(step.available_manifests, [])
# Ensure that the index_repository was initialized correctly
self.assertEqual(type(step.index_repository), registry.V2Repository)
self.assertEqual(step.index_repository.name, 'busybox')
self.assertEqual(step.index_repository.download_config.max_concurrent,
25)
self.assertEqual(step.index_repository.registry_url,
'https://registry.example.com')
self.assertEqual(step.index_repository.working_dir, self.working_dir)
# The version check should have happened, and since we mocked it, it will not raise an error
api_version_check.assert_called_once_with()
# The correct children should be in place in the right order
self.assertEqual([type(child) for child in step.children], [
sync.DownloadManifestsStep, publish_step.GetLocalUnitsStep,
publish_step.GetLocalUnitsStep, sync.TokenAuthDownloadStep,
sync.SaveUnitsStep, sync.SaveTagsStep
])
# Ensure the first step was initialized correctly
self.assertEqual(step.children[0].repo, repo)
self.assertEqual(step.children[0].conduit, conduit)
self.assertEqual(step.children[0].config, config)
# And the second step
self.assertTrue(step.children[1] is step.step_get_local_manifests)
self.assertEqual(step.children[1].plugin_type,
constants.IMPORTER_TYPE_ID)
self.assertEqual(step.children[1].available_units,
step.available_manifests)
# And the third step
self.assertTrue(step.children[2] is step.step_get_local_blobs)
self.assertEqual(step.children[2].plugin_type,
constants.IMPORTER_TYPE_ID)
self.assertEqual(step.children[2].available_units,
step.available_blobs)
# And the fourth
self.assertEqual(step.children[3].step_type,
constants.SYNC_STEP_DOWNLOAD)
self.assertEqual(step.children[3].repo, repo)
self.assertEqual(step.children[3].config, config)
self.assertEqual(step.children[3].description,
_('Downloading remote files'))