a3dd46e83d
Now that the context tar creation function is standalone and doesn't rely on external state, we can start unit testing it easier. We establish a basic unit test that verifies the function works as advertised and that output is deterministic. MozReview-Commit-ID: H4MY28PiHSN
80 lines
2.9 KiB
Python
80 lines
2.9 KiB
Python
# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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from __future__ import absolute_import, print_function, unicode_literals
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import os
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import shutil
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import stat
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import tarfile
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import tempfile
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import unittest
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from ..util import docker
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from mozunit import MockedOpen
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MODE_STANDARD = stat.S_IRUSR | stat.S_IWUSR | stat.S_IRGRP | stat.S_IROTH
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class TestDocker(unittest.TestCase):
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def test_generate_context_hash(self):
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tmpdir = tempfile.mkdtemp()
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old_GECKO = docker.GECKO
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docker.GECKO = tmpdir
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try:
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os.makedirs(os.path.join(tmpdir, 'docker', 'my-image'))
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with open(os.path.join(tmpdir, 'docker', 'my-image', 'Dockerfile'), "w") as f:
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f.write("FROM node\nADD a-file\n")
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with open(os.path.join(tmpdir, 'docker', 'my-image', 'a-file'), "w") as f:
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f.write("data\n")
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self.assertEqual(
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docker.generate_context_hash('docker/my-image'),
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'781143fcc6cc72c9024b058665265cb6bae3fb8031cad7227dd169ffbfced434'
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)
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finally:
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docker.GECKO = old_GECKO
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shutil.rmtree(tmpdir)
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def test_docker_image_explicit_registry(self):
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files = {}
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files["{}/myimage/REGISTRY".format(docker.DOCKER_ROOT)] = "cool-images"
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files["{}/myimage/VERSION".format(docker.DOCKER_ROOT)] = "1.2.3"
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with MockedOpen(files):
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self.assertEqual(docker.docker_image('myimage'), "cool-images/myimage:1.2.3")
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def test_docker_image_default_registry(self):
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files = {}
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files["{}/REGISTRY".format(docker.DOCKER_ROOT)] = "mozilla"
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files["{}/myimage/VERSION".format(docker.DOCKER_ROOT)] = "1.2.3"
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with MockedOpen(files):
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self.assertEqual(docker.docker_image('myimage'), "mozilla/myimage:1.2.3")
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def test_create_context_tar_basic(self):
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tmp = tempfile.mkdtemp()
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try:
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d = os.path.join(tmp, 'test_image')
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os.mkdir(d)
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with open(os.path.join(d, 'Dockerfile'), 'a'):
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pass
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os.chmod(os.path.join(d, 'Dockerfile'), MODE_STANDARD)
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with open(os.path.join(d, 'extra'), 'a'):
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pass
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os.chmod(os.path.join(d, 'extra'), MODE_STANDARD)
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tp = os.path.join(tmp, 'tar')
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h = docker.create_context_tar(tmp, d, tp, 'my_image')
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self.assertEqual(h, '2a6d7f1627eba60daf85402418e041d728827d309143c6bc1c6bb3035bde6717')
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# File prefix should be "my_image"
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with tarfile.open(tp, 'r:gz') as tf:
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self.assertEqual(tf.getnames(), [
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'my_image/Dockerfile',
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'my_image/extra',
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])
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finally:
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shutil.rmtree(tmp)
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