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import datetime
import os
import unittest
import docker
import pytest
from docker.constants import (
DEFAULT_DOCKER_API_VERSION, DEFAULT_TIMEOUT_SECONDS,
DEFAULT_MAX_POOL_SIZE, IS_WINDOWS_PLATFORM
)
from docker.utils import kwargs_from_env
from . import fake_api
try:
from unittest import mock
except ImportError:
from unittest import mock
TEST_CERT_DIR = os.path.join(os.path.dirname(__file__), 'testdata/certs')
POOL_SIZE = 20
class ClientTest(unittest.TestCase):
@mock.patch('docker.api.APIClient.events')
def test_events(self, mock_func):
since = datetime.datetime(2016, 1, 1, 0, 0)
mock_func.return_value = fake_api.get_fake_events()[1]
client = docker.from_env(version=DEFAULT_DOCKER_API_VERSION)
assert client.events(since=since) == mock_func.return_value
mock_func.assert_called_with(since=since)
@mock.patch('docker.api.APIClient.info')
def test_info(self, mock_func):
mock_func.return_value = fake_api.get_fake_info()[1]
client = docker.from_env(version=DEFAULT_DOCKER_API_VERSION)
assert client.info() == mock_func.return_value
mock_func.assert_called_with()
@mock.patch('docker.api.APIClient.ping')
def test_ping(self, mock_func):
mock_func.return_value = True
client = docker.from_env(version=DEFAULT_DOCKER_API_VERSION)
assert client.ping() is True
mock_func.assert_called_with()
@mock.patch('docker.api.APIClient.version')
def test_version(self, mock_func):
mock_func.return_value = fake_api.get_fake_version()[1]
client = docker.from_env(version=DEFAULT_DOCKER_API_VERSION)
assert client.version() == mock_func.return_value
mock_func.assert_called_with()
def test_call_api_client_method(self):
client = docker.from_env(version=DEFAULT_DOCKER_API_VERSION)
with pytest.raises(AttributeError) as cm:
client.create_container()
s = cm.exconly()
assert "'DockerClient' object has no attribute 'create_container'" in s
assert "this method is now on the object APIClient" in s
with pytest.raises(AttributeError) as cm:
client.abcdef()
s = cm.exconly()
assert "'DockerClient' object has no attribute 'abcdef'" in s
assert "this method is now on the object APIClient" not in s
def test_call_containers(self):
client = docker.DockerClient(
version=DEFAULT_DOCKER_API_VERSION,
**kwargs_from_env())
with pytest.raises(TypeError) as cm:
client.containers()
s = cm.exconly()
assert "'ContainerCollection' object is not callable" in s
assert "docker.APIClient" in s
@pytest.mark.skipif(
IS_WINDOWS_PLATFORM, reason='Unix Connection Pool only on Linux'
)
@mock.patch("docker.transport.unixconn.UnixHTTPConnectionPool")
def test_default_pool_size_unix(self, mock_obj):
client = docker.DockerClient(
version=DEFAULT_DOCKER_API_VERSION
)
mock_obj.return_value.urlopen.return_value.status = 200
client.ping()
base_url = "{base_url}/v{version}/_ping".format(
base_url=client.api.base_url,
version=client.api._version
)
mock_obj.assert_called_once_with(base_url,
"/var/run/docker.sock",
60,
maxsize=DEFAULT_MAX_POOL_SIZE
)
@pytest.mark.skipif(
not IS_WINDOWS_PLATFORM, reason='Npipe Connection Pool only on Windows'
)
@mock.patch("docker.transport.npipeconn.NpipeHTTPConnectionPool")
def test_default_pool_size_win(self, mock_obj):
client = docker.DockerClient(
version=DEFAULT_DOCKER_API_VERSION
)
mock_obj.return_value.urlopen.return_value.status = 200
client.ping()
mock_obj.assert_called_once_with("//./pipe/docker_engine",
60,
maxsize=DEFAULT_MAX_POOL_SIZE
)
@pytest.mark.skipif(
IS_WINDOWS_PLATFORM, reason='Unix Connection Pool only on Linux'
)
@mock.patch("docker.transport.unixconn.UnixHTTPConnectionPool")
def test_pool_size_unix(self, mock_obj):
client = docker.DockerClient(
version=DEFAULT_DOCKER_API_VERSION,
max_pool_size=POOL_SIZE
)
mock_obj.return_value.urlopen.return_value.status = 200
client.ping()
base_url = "{base_url}/v{version}/_ping".format(
base_url=client.api.base_url,
version=client.api._version
)
mock_obj.assert_called_once_with(base_url,
"/var/run/docker.sock",
60,
maxsize=POOL_SIZE
)
@pytest.mark.skipif(
not IS_WINDOWS_PLATFORM, reason='Npipe Connection Pool only on Windows'
)
@mock.patch("docker.transport.npipeconn.NpipeHTTPConnectionPool")
def test_pool_size_win(self, mock_obj):
client = docker.DockerClient(
version=DEFAULT_DOCKER_API_VERSION,
max_pool_size=POOL_SIZE
)
mock_obj.return_value.urlopen.return_value.status = 200
client.ping()
mock_obj.assert_called_once_with("//./pipe/docker_engine",
60,
maxsize=POOL_SIZE
)
class FromEnvTest(unittest.TestCase):
def setUp(self):
self.os_environ = os.environ.copy()
def tearDown(self):
os.environ = self.os_environ
def test_from_env(self):
"""Test that environment variables are passed through to
utils.kwargs_from_env(). KwargsFromEnvTest tests that environment
variables are parsed correctly."""
os.environ.update(DOCKER_HOST='tcp://192.168.59.103:2376',
DOCKER_CERT_PATH=TEST_CERT_DIR,
DOCKER_TLS_VERIFY='1')
client = docker.from_env(version=DEFAULT_DOCKER_API_VERSION)
assert client.api.base_url == "https://192.168.59.103:2376"
def test_from_env_with_version(self):
os.environ.update(DOCKER_HOST='tcp://192.168.59.103:2376',
DOCKER_CERT_PATH=TEST_CERT_DIR,
DOCKER_TLS_VERIFY='1')
client = docker.from_env(version='2.32')
assert client.api.base_url == "https://192.168.59.103:2376"
assert client.api._version == '2.32'
def test_from_env_without_version_uses_default(self):
client = docker.from_env(version=DEFAULT_DOCKER_API_VERSION)
assert client.api._version == DEFAULT_DOCKER_API_VERSION
def test_from_env_without_timeout_uses_default(self):
client = docker.from_env(version=DEFAULT_DOCKER_API_VERSION)
assert client.api.timeout == DEFAULT_TIMEOUT_SECONDS
@pytest.mark.skipif(
IS_WINDOWS_PLATFORM, reason='Unix Connection Pool only on Linux'
)
@mock.patch("docker.transport.unixconn.UnixHTTPConnectionPool")
def test_default_pool_size_from_env_unix(self, mock_obj):
client = docker.from_env(version=DEFAULT_DOCKER_API_VERSION)
mock_obj.return_value.urlopen.return_value.status = 200
client.ping()
base_url = "{base_url}/v{version}/_ping".format(
base_url=client.api.base_url,
version=client.api._version
)
mock_obj.assert_called_once_with(base_url,
"/var/run/docker.sock",
60,
maxsize=DEFAULT_MAX_POOL_SIZE
)
@pytest.mark.skipif(
not IS_WINDOWS_PLATFORM, reason='Npipe Connection Pool only on Windows'
)
@mock.patch("docker.transport.npipeconn.NpipeHTTPConnectionPool")
def test_default_pool_size_from_env_win(self, mock_obj):
client = docker.from_env(version=DEFAULT_DOCKER_API_VERSION)
mock_obj.return_value.urlopen.return_value.status = 200
client.ping()
mock_obj.assert_called_once_with("//./pipe/docker_engine",
60,
maxsize=DEFAULT_MAX_POOL_SIZE
)
@pytest.mark.skipif(
IS_WINDOWS_PLATFORM, reason='Unix Connection Pool only on Linux'
)
@mock.patch("docker.transport.unixconn.UnixHTTPConnectionPool")
def test_pool_size_from_env_unix(self, mock_obj):
client = docker.from_env(
version=DEFAULT_DOCKER_API_VERSION,
max_pool_size=POOL_SIZE
)
mock_obj.return_value.urlopen.return_value.status = 200
client.ping()
base_url = "{base_url}/v{version}/_ping".format(
base_url=client.api.base_url,
version=client.api._version
)
mock_obj.assert_called_once_with(base_url,
"/var/run/docker.sock",
60,
maxsize=POOL_SIZE
)
@pytest.mark.skipif(
not IS_WINDOWS_PLATFORM, reason='Npipe Connection Pool only on Windows'
)
@mock.patch("docker.transport.npipeconn.NpipeHTTPConnectionPool")
def test_pool_size_from_env_win(self, mock_obj):
client = docker.from_env(
version=DEFAULT_DOCKER_API_VERSION,
max_pool_size=POOL_SIZE
)
mock_obj.return_value.urlopen.return_value.status = 200
client.ping()
mock_obj.assert_called_once_with("//./pipe/docker_engine",
60,
maxsize=POOL_SIZE
)
|
