def test_run_container_error(self, docker_client: DockerClient):
container_name = _random_container_name()
try:
with pytest.raises(ContainerException) as ex:
docker_client.run_container(
"alpine",
name=container_name,
command=["./doesnotexist"],
)
assert ex.match("doesnotexist: no such file or directory")
finally:
docker_client.remove_container(container_name)
def test_run_container(self, docker_client: DockerClient):
container_name = _random_container_name()
try:
output, _ = docker_client.run_container(
"alpine",
name=container_name,
command=["echo", "foobared"],
)
output = output.decode(config.DEFAULT_ENCODING)
assert "foobared" in output
finally:
docker_client.remove_container(container_name)
def test_run_container_with_stdin(self, docker_client: DockerClient):
container_name = _random_container_name()
message = "test_message_stdin"
try:
output, _ = docker_client.run_container(
"alpine",
name=container_name,
interactive=True,
stdin=message.encode(config.DEFAULT_ENCODING),
command=["cat"],
)
assert message == output.decode(config.DEFAULT_ENCODING).strip()
finally:
docker_client.remove_container(container_name)
def test_run_detached_with_logs(self, docker_client: DockerClient):
container_name = _random_container_name()
message = "test_message"
try:
output, _ = docker_client.run_container(
"alpine",
name=container_name,
detach=True,
command=["echo", message],
)
container_id = output.decode(config.DEFAULT_ENCODING).strip()
logs = docker_client.get_container_logs(container_id)
assert message == logs.strip()
finally:
docker_client.remove_container(container_name)
def test_container_lifecycle_commands(self, docker_client: DockerClient):
container_name = _random_container_name()
output = docker_client.create_container(
"alpine",
name=container_name,
command=["sh", "-c", "for i in `seq 30`; do sleep 1; echo $i; done"],
)
container_id = output.strip()
assert container_id
try:
docker_client.start_container(container_id)
assert DockerContainerStatus.UP == docker_client.get_container_status(container_name)
docker_client.stop_container(container_id)
assert DockerContainerStatus.DOWN == docker_client.get_container_status(container_name)
finally:
docker_client.remove_container(container_id)
assert DockerContainerStatus.NON_EXISTENT == docker_client.get_container_status(
container_name
)
def create_container(docker_client: DockerClient):
"""
Uses the factory as fixture pattern to wrap DockerClient.create_container as a factory that
removes the containers after the fixture is cleaned up.
"""
containers = list()
def _create_container(image_name: str, **kwargs):
kwargs["name"] = kwargs.get("name", _random_container_name())
cid = docker_client.create_container(image_name, **kwargs)
cid = cid.strip()
containers.append(cid)
return ContainerInfo(cid, kwargs["name"]) # FIXME name should come from docker_client
yield _create_container
for c in containers:
try:
docker_client.remove_container(c)
except Exception:
LOG.warning("failed to remove test container %s", c)
def test_remove_non_existing_container(self, docker_client: DockerClient):
with pytest.raises(NoSuchContainer):
docker_client.remove_container("this_container_does_not_exist", force=False)
