def load_full_image():
'''Create image object from test image and return the object'''
test_image = DockerImage(docker.get_dockerfile_image_tag())
try:
test_image.load_image()
except NameError as error:
test_image.origins.add_notice_to_origins(test_image.repotag,
Notice(str(error), 'error'))
except subprocess.CalledProcessError as error:
test_image.origins.add_notice_to_origins(
test_image.repotag, Notice(str(error.output, 'utf-8'), 'error'))
except IOError as error:
test_image.origins.add_notice_to_origins(test_image.repotag,
Notice(str(error), 'error'))
return test_image
def load_full_image(image_tag_string):
'''Create image object from image name and tag and return the object'''
test_image = DockerImage(image_tag_string)
failure_origin = formats.image_load_failure.format(
testimage=test_image.repotag)
try:
test_image.load_image()
except NameError as error:
test_image.origins.add_notice_to_origins(
failure_origin, Notice(str(error), 'error'))
except subprocess.CalledProcessError as error:
test_image.origins.add_notice_to_origins(
failure_origin, Notice(str(error.output, 'utf-8'), 'error'))
except IOError as error:
test_image.origins.add_notice_to_origins(
failure_origin, Notice(str(error), 'error'))
return test_image
class TestClassDockerImage(unittest.TestCase):
def setUp(self):
'''Using a specific image here. If this test fails due to the image
not being found anymore, pick a different image to test against
For now use Docker to pull the image from Dockerhub'''
if not check_image('debian:jessie'):
try:
docker_command(pull, 'debian:jessie')
except subprocess.CalledProcessError as error:
print(error.output)
self.image = DockerImage('debian:jessie')
# constants for this image
self.image_id = (
'2fe79f06fa6d3fa9e877b4415fb189f89ca8a4ff4a954a3d84b2c84129'
'9cd127')
self.layer = ('4bcdffd70da292293d059d2435c7056711fab2655f8b74f48ad0abe'
'042b63687')
self.no_layers = 1
self.created_by = ('/bin/sh -c #(nop) ADD file:1dd78a123212328bdc72ef7'
'888024ea27fe141a72e24e0ea7c3c92b63b73d8d1 in / ')
self.instruction = ('ADD file:1dd78a123212328bdc72ef7888024ea27fe141a7'
'2e24e0ea7c3c92b63b73d8d1 in /')
def tearDown(self):
del self.image
def testInstance(self):
self.assertEqual(self.image.repotag, 'debian:jessie')
self.assertEqual(self.image.name, 'debian')
self.assertEqual(self.image.tag, 'jessie')
self.assertFalse(self.image.image_id)
self.assertFalse(self.image.manifest)
self.assertFalse(self.image.repotags)
self.assertFalse(self.image.config)
self.assertFalse(self.image.layers)
self.assertFalse(self.image.history)
def testLoadImage(self):
self.image.load_image()
self.assertEqual(self.image.image_id, self.image_id)
self.assertEqual(self.image.layers[0].diff_id, self.layer)
self.assertEqual(len(self.image.layers), self.no_layers)
self.assertEqual(self.image.layers[0].created_by, self.created_by)
def testGetImageOption(self):
self.assertEqual(self.image.get_image_option(), self.image.repotag)
def testGetLayerDiffIds(self):
self.image.load_image()
self.assertEqual(len(self.image.get_layer_diff_ids()), self.no_layers)
self.assertEqual(self.image.get_layer_diff_ids()[0], self.layer)
def testCreatedToInstruction(self):
self.image.load_image()
instruction = self.image.created_to_instruction(self.created_by)
self.assertEqual(instruction, self.instruction)