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import docker
import tempfile
from .base import BaseIntegrationTest, TEST_API_VERSION
from ..helpers import random_name
class ContainerCollectionTest(BaseIntegrationTest):
def test_run(self):
client = docker.from_env(version=TEST_API_VERSION)
self.assertEqual(
client.containers.run("alpine", "echo hello world", remove=True),
b'hello world\n'
)
def test_run_detach(self):
client = docker.from_env(version=TEST_API_VERSION)
container = client.containers.run("alpine", "sleep 300", detach=True)
self.tmp_containers.append(container.id)
assert container.attrs['Config']['Image'] == "alpine"
assert container.attrs['Config']['Cmd'] == ['sleep', '300']
def test_run_with_error(self):
client = docker.from_env(version=TEST_API_VERSION)
with self.assertRaises(docker.errors.ContainerError) as cm:
client.containers.run("alpine", "cat /test", remove=True)
assert cm.exception.exit_status == 1
assert "cat /test" in str(cm.exception)
assert "alpine" in str(cm.exception)
assert "No such file or directory" in str(cm.exception)
def test_run_with_image_that_does_not_exist(self):
client = docker.from_env(version=TEST_API_VERSION)
with self.assertRaises(docker.errors.ImageNotFound):
client.containers.run("dockerpytest_does_not_exist")
def test_run_with_volume(self):
client = docker.from_env(version=TEST_API_VERSION)
path = tempfile.mkdtemp()
container = client.containers.run(
"alpine", "sh -c 'echo \"hello\" > /insidecontainer/test'",
volumes=["%s:/insidecontainer" % path],
detach=True
)
self.tmp_containers.append(container.id)
container.wait()
out = client.containers.run(
"alpine", "cat /insidecontainer/test",
volumes=["%s:/insidecontainer" % path]
)
self.assertEqual(out, b'hello\n')
def test_run_with_named_volume(self):
client = docker.from_env(version=TEST_API_VERSION)
client.volumes.create(name="somevolume")
container = client.containers.run(
"alpine", "sh -c 'echo \"hello\" > /insidecontainer/test'",
volumes=["somevolume:/insidecontainer"],
detach=True
)
self.tmp_containers.append(container.id)
container.wait()
out = client.containers.run(
"alpine", "cat /insidecontainer/test",
volumes=["somevolume:/insidecontainer"]
)
self.assertEqual(out, b'hello\n')
def test_run_with_network(self):
net_name = random_name()
client = docker.from_env(version=TEST_API_VERSION)
client.networks.create(net_name)
self.tmp_networks.append(net_name)
container = client.containers.run(
'alpine', 'echo hello world', network=net_name,
detach=True
)
self.tmp_containers.append(container.id)
attrs = container.attrs
assert 'NetworkSettings' in attrs
assert 'Networks' in attrs['NetworkSettings']
assert list(attrs['NetworkSettings']['Networks'].keys()) == [net_name]
def test_get(self):
client = docker.from_env(version=TEST_API_VERSION)
container = client.containers.run("alpine", "sleep 300", detach=True)
self.tmp_containers.append(container.id)
assert client.containers.get(container.id).attrs[
'Config']['Image'] == "alpine"
def test_list(self):
client = docker.from_env(version=TEST_API_VERSION)
container_id = client.containers.run(
"alpine", "sleep 300", detach=True).id
self.tmp_containers.append(container_id)
containers = [c for c in client.containers.list() if c.id ==
container_id]
assert len(containers) == 1
container = containers[0]
assert container.attrs['Config']['Image'] == 'alpine'
container.kill()
container.remove()
assert container_id not in [c.id for c in client.containers.list()]
class ContainerTest(BaseIntegrationTest):
def test_commit(self):
client = docker.from_env(version=TEST_API_VERSION)
container = client.containers.run(
"alpine", "sh -c 'echo \"hello\" > /test'",
detach=True
)
self.tmp_containers.append(container.id)
container.wait()
image = container.commit()
self.assertEqual(
client.containers.run(image.id, "cat /test", remove=True),
b"hello\n"
)
def test_diff(self):
client = docker.from_env(version=TEST_API_VERSION)
container = client.containers.run("alpine", "touch /test", detach=True)
self.tmp_containers.append(container.id)
container.wait()
assert container.diff() == [{'Path': '/test', 'Kind': 1}]
def test_exec_run(self):
client = docker.from_env(version=TEST_API_VERSION)
container = client.containers.run(
"alpine", "sh -c 'echo \"hello\" > /test; sleep 60'", detach=True
)
self.tmp_containers.append(container.id)
assert container.exec_run("cat /test") == b"hello\n"
def test_kill(self):
client = docker.from_env(version=TEST_API_VERSION)
container = client.containers.run("alpine", "sleep 300", detach=True)
self.tmp_containers.append(container.id)
while container.status != 'running':
container.reload()
assert container.status == 'running'
container.kill()
container.reload()
assert container.status == 'exited'
def test_logs(self):
client = docker.from_env(version=TEST_API_VERSION)
container = client.containers.run("alpine", "echo hello world",
detach=True)
self.tmp_containers.append(container.id)
container.wait()
assert container.logs() == b"hello world\n"
def test_pause(self):
client = docker.from_env(version=TEST_API_VERSION)
container = client.containers.run("alpine", "sleep 300", detach=True)
self.tmp_containers.append(container.id)
container.pause()
container.reload()
assert container.status == "paused"
container.unpause()
container.reload()
assert container.status == "running"
def test_remove(self):
client = docker.from_env(version=TEST_API_VERSION)
container = client.containers.run("alpine", "echo hello", detach=True)
self.tmp_containers.append(container.id)
assert container.id in [c.id for c in client.containers.list(all=True)]
container.wait()
container.remove()
containers = client.containers.list(all=True)
assert container.id not in [c.id for c in containers]
def test_rename(self):
client = docker.from_env(version=TEST_API_VERSION)
container = client.containers.run("alpine", "echo hello", name="test1",
detach=True)
self.tmp_containers.append(container.id)
assert container.name == "test1"
container.rename("test2")
container.reload()
assert container.name == "test2"
def test_restart(self):
client = docker.from_env(version=TEST_API_VERSION)
container = client.containers.run("alpine", "sleep 100", detach=True)
self.tmp_containers.append(container.id)
first_started_at = container.attrs['State']['StartedAt']
container.restart()
container.reload()
second_started_at = container.attrs['State']['StartedAt']
assert first_started_at != second_started_at
def test_start(self):
client = docker.from_env(version=TEST_API_VERSION)
container = client.containers.create("alpine", "sleep 50", detach=True)
self.tmp_containers.append(container.id)
assert container.status == "created"
container.start()
container.reload()
assert container.status == "running"
def test_stats(self):
client = docker.from_env(version=TEST_API_VERSION)
container = client.containers.run("alpine", "sleep 100", detach=True)
self.tmp_containers.append(container.id)
stats = container.stats(stream=False)
for key in ['read', 'networks', 'precpu_stats', 'cpu_stats',
'memory_stats', 'blkio_stats']:
assert key in stats
def test_stop(self):
client = docker.from_env(version=TEST_API_VERSION)
container = client.containers.run("alpine", "top", detach=True)
self.tmp_containers.append(container.id)
assert container.status in ("running", "created")
container.stop(timeout=2)
container.reload()
assert container.status == "exited"
def test_top(self):
client = docker.from_env(version=TEST_API_VERSION)
container = client.containers.run("alpine", "sleep 60", detach=True)
self.tmp_containers.append(container.id)
top = container.top()
assert len(top['Processes']) == 1
assert 'sleep 60' in top['Processes'][0]
def test_update(self):
client = docker.from_env(version=TEST_API_VERSION)
container = client.containers.run("alpine", "sleep 60", detach=True,
cpu_shares=2)
self.tmp_containers.append(container.id)
assert container.attrs['HostConfig']['CpuShares'] == 2
container.update(cpu_shares=3)
container.reload()
assert container.attrs['HostConfig']['CpuShares'] == 3
def test_wait(self):
client = docker.from_env(version=TEST_API_VERSION)
container = client.containers.run("alpine", "sh -c 'exit 0'",
detach=True)
self.tmp_containers.append(container.id)
assert container.wait() == 0
container = client.containers.run("alpine", "sh -c 'exit 1'",
detach=True)
self.tmp_containers.append(container.id)
assert container.wait() == 1
|
