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import io
import docker
import pytest
from .base import BaseIntegrationTest, TEST_API_VERSION
class ImageCollectionTest(BaseIntegrationTest):
def test_build(self):
client = docker.from_env(version=TEST_API_VERSION)
image = client.images.build(fileobj=io.BytesIO(
"FROM alpine\n"
"CMD echo hello world".encode('ascii')
))
self.tmp_imgs.append(image.id)
assert client.containers.run(image) == b"hello world\n"
@pytest.mark.xfail(reason='Engine 1.13 responds with status 500')
def test_build_with_error(self):
client = docker.from_env(version=TEST_API_VERSION)
with self.assertRaises(docker.errors.BuildError) as cm:
client.images.build(fileobj=io.BytesIO(
"FROM alpine\n"
"NOTADOCKERFILECOMMAND".encode('ascii')
))
assert str(cm.exception) == ("Unknown instruction: "
"NOTADOCKERFILECOMMAND")
def test_list(self):
client = docker.from_env(version=TEST_API_VERSION)
image = client.images.pull('alpine:latest')
assert image.id in get_ids(client.images.list())
def test_list_with_repository(self):
client = docker.from_env(version=TEST_API_VERSION)
image = client.images.pull('alpine:latest')
assert image.id in get_ids(client.images.list('alpine'))
assert image.id in get_ids(client.images.list('alpine:latest'))
def test_pull(self):
client = docker.from_env(version=TEST_API_VERSION)
image = client.images.pull('alpine:latest')
assert 'alpine:latest' in image.attrs['RepoTags']
class ImageTest(BaseIntegrationTest):
def test_tag_and_remove(self):
repo = 'dockersdk.tests.images.test_tag'
tag = 'some-tag'
identifier = '{}:{}'.format(repo, tag)
client = docker.from_env(version=TEST_API_VERSION)
image = client.images.pull('alpine:latest')
image.tag(repo, tag)
self.tmp_imgs.append(identifier)
assert image.id in get_ids(client.images.list(repo))
assert image.id in get_ids(client.images.list(identifier))
client.images.remove(identifier)
assert image.id not in get_ids(client.images.list(repo))
assert image.id not in get_ids(client.images.list(identifier))
assert image.id in get_ids(client.images.list('alpine:latest'))
def get_ids(images):
return [i.id for i in images]
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