def _test_command_pull(self, image, is_centralized_repository):
util.remove_image_if_necessary(is_centralized_repository, image)
actual_images = util.list_images(is_centralized_repository)
self.assertEqual(actual_images.count(image), 0)
util.pull_image_if_necessary(is_centralized_repository, image)
actual_images = util.list_images(is_centralized_repository)
self.assertEqual(actual_images.count(image), 1)
def _test_command_rmi(self, is_centralized_repository):
image = "alpine:latest"
util.pull_image_if_necessary(is_centralized_repository, image)
actual_images = set(util.list_images(is_centralized_repository))
self.assertTrue(image in actual_images)
util.remove_image_if_necessary(is_centralized_repository, image)
actual_images = set(util.list_images(is_centralized_repository))
self.assertTrue(image not in actual_images)
def _test_command_pull(self, is_centralized_repository):
image = "alpine:latest"
util.remove_image_if_necessary(is_centralized_repository, image)
actual_images = util.list_images(is_centralized_repository)
self.assertEqual(actual_images.count(image), 0)
util.pull_image_if_necessary(is_centralized_repository, image)
actual_images = util.list_images(is_centralized_repository)
self.assertEqual(actual_images.count(image), 1)
# check that multiple pulls of the same image don't generate
# multiple entries in the list of available images
util.pull_image_if_necessary(is_centralized_repository, image)
actual_images = util.list_images(is_centralized_repository)
self.assertEqual(actual_images.count(image), 1)
def _test_command_load(self, is_centralized_repository):
util.remove_image_if_necessary(is_centralized_repository, "load/library/alpine:latest")
image_name = "alpine"
image_archive = os.path.dirname(os.path.realpath(__file__)) + "/saved_image.tar"
util.load_image(is_centralized_repository, image_archive, image_name)
actual_images = set(util.list_images(is_centralized_repository))
expected_images = {"load/library/alpine:latest"}
self.assertTrue(expected_images.issubset(actual_images))
prettyname = util.run_image_and_get_prettyname(is_centralized_repository, "load/library/alpine:latest")
self.assertEqual(prettyname, "Alpine Linux")
def _test_multiple_pulls(self, image, is_centralized_repository):
for i in range(2):
util.pull_image(is_centralized_repository, image)
actual_images = util.list_images(is_centralized_repository)
self.assertEqual(actual_images.count(image), 1)