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authorRodolfo Alonso Hernandez <rodolfo.alonso.hernandez@intel.com>2018-01-25 11:12:57 +0000
committerRodolfo Alonso Hernandez <rodolfo.alonso.hernandez@intel.com>2018-02-09 18:11:00 +0000
commit9dc587f166af106f7e30dbe00ddf152e9be6f1ea (patch)
treecce11bc2ce53121a118c104ceec1dd40b708def8
parent5ad70e9e75a0061d233d1d7a786b40ea2887361c (diff)
Module to manage pip packages
This new module provides methods to manage Python PIP packages from a URL, from a local directory or from a build PIP package. The implemented commands are: - Install package. - Remove package. - List all installed packages in the system. JIRA: YARDSTICK-910 Change-Id: I8f7d1b77c0c384b801cc6f5e67d8b45ce7c6bfdf Signed-off-by: Rodolfo Alonso Hernandez <rodolfo.alonso.hernandez@intel.com>
-rw-r--r--requirements.txt2
-rw-r--r--test-requirements.txt1
-rw-r--r--tox.ini2
-rw-r--r--yardstick/common/packages.py87
-rw-r--r--yardstick/common/privsep.py23
-rw-r--r--yardstick/common/utils.py8
-rw-r--r--yardstick/tests/functional/base.py46
-rw-r--r--yardstick/tests/functional/common/fake_directory_package/README.md2
-rw-r--r--yardstick/tests/functional/common/fake_directory_package/setup.py29
-rw-r--r--yardstick/tests/functional/common/fake_directory_package/yardstick_new_plugin_2/__init__.py0
-rw-r--r--yardstick/tests/functional/common/fake_directory_package/yardstick_new_plugin_2/benchmark/__init__.py0
-rw-r--r--yardstick/tests/functional/common/fake_directory_package/yardstick_new_plugin_2/benchmark/scenarios/__init__.py0
-rw-r--r--yardstick/tests/functional/common/fake_directory_package/yardstick_new_plugin_2/benchmark/scenarios/dummy2/__init__.py0
-rw-r--r--yardstick/tests/functional/common/fake_directory_package/yardstick_new_plugin_2/benchmark/scenarios/dummy2/dummy2.py40
-rw-r--r--yardstick/tests/functional/common/fake_pip_package/yardstick_new_plugin-1.0.0.tar.gzbin0 -> 1650 bytes
-rw-r--r--yardstick/tests/functional/common/test_packages.py94
-rw-r--r--yardstick/tests/unit/common/test_packages.py88
17 files changed, 418 insertions, 4 deletions
diff --git a/requirements.txt b/requirements.txt
index 88c0e659a..9e79329b4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -37,11 +37,13 @@ os-client-config==1.28.0 # OSI Approved Apache Software License
osc-lib==1.7.0 # OSI Approved Apache Software License
oslo.config==4.11.1 # OSI Approved Apache Software License
oslo.i18n==3.17.0 # OSI Approved Apache Software License
+oslo.privsep===1.22.1 # OSI Approved Apache Software License
oslo.serialization==2.20.1 # OSI Approved Apache Software License
oslo.utils==3.28.0 # OSI Approved Apache Software License
paramiko==2.2.1 # LGPL; OSI Approved GNU Library or Lesser General Public License (LGPL)
pbr==3.1.1 # OSI Approved Apache Software License; Apache License, Version 2.0
pika==0.10.0 # BSD; OSI Approved BSD License
+pip==9.0.1;python_version=='2.7' # MIT
positional==1.1.2 # OSI Approved Apache Software License
pycrypto==2.6.1 # Public Domain
pyparsing==2.2.0 # MIT License; OSI Approved MIT License
diff --git a/test-requirements.txt b/test-requirements.txt
index f933df29a..5fed9458f 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -4,6 +4,7 @@
coverage==4.4.2 # Apache 2.0; OSI Approved Apache Software License; http://www.apache.org/licenses/LICENSE-2.0; http://www.apache.org/licenses/LICENSE-2.0
fixtures==3.0.0 # OSI Approved BSD License; OSI Approved Apache Software License
+oslotest===2.17.1 # OSI Approved Apache Software License
packaging==16.8.0 # BSD or Apache License, Version 2.0
pyflakes==1.0.0 # MIT; OSI Approved MIT License
pylint==1.8.1 # GPLv2
diff --git a/tox.ini b/tox.ini
index 822ffdab4..313f1eca2 100644
--- a/tox.ini
+++ b/tox.ini
@@ -6,6 +6,8 @@ envlist = py{27,3},pep8,functional{,-py3},coverage
[testenv]
usedevelop=True
passenv = http_proxy HTTP_PROXY https_proxy HTTPS_PROXY no_proxy NO_PROXY BRANCH
+setenv =
+ VIRTUAL_ENV={envdir}
deps =
-r{toxinidir}/requirements.txt
-r{toxinidir}/test-requirements.txt
diff --git a/yardstick/common/packages.py b/yardstick/common/packages.py
new file mode 100644
index 000000000..f20217fdc
--- /dev/null
+++ b/yardstick/common/packages.py
@@ -0,0 +1,87 @@
+# Copyright (c) 2018 Intel Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import logging
+import re
+
+import pip
+from pip import exceptions as pip_exceptions
+from pip.operations import freeze
+
+from yardstick.common import privsep
+
+
+LOG = logging.getLogger(__name__)
+
+ACTION_INSTALL = 'install'
+ACTION_UNINSTALL = 'uninstall'
+
+
+@privsep.yardstick_root.entrypoint
+def _pip_main(package, action, target=None):
+ if action == ACTION_UNINSTALL:
+ cmd = [action, package, '-y']
+ elif action == ACTION_INSTALL:
+ cmd = [action, package, '--upgrade']
+ if target:
+ cmd.append('--target=%s' % target)
+ return pip.main(cmd)
+
+
+def _pip_execute_action(package, action=ACTION_INSTALL, target=None):
+ """Execute an action with a PIP package.
+
+ According to [1], a package could be a URL, a local directory, a local dist
+ file or a requirements file.
+
+ [1] https://pip.pypa.io/en/stable/reference/pip_install/#argument-handling
+ """
+ try:
+ status = _pip_main(package, action, target)
+ except pip_exceptions.PipError:
+ status = 1
+
+ if not status:
+ LOG.info('Action "%s" executed, package %s', package, action)
+ else:
+ LOG.info('Error executing action "%s", package %s', package, action)
+ return status
+
+
+def pip_remove(package):
+ """Remove an installed PIP package"""
+ return _pip_execute_action(package, action=ACTION_UNINSTALL)
+
+
+def pip_install(package, target=None):
+ """Install a PIP package"""
+ return _pip_execute_action(package, action=ACTION_INSTALL, target=target)
+
+
+def pip_list(pkg_name=None):
+ """Dict of installed PIP packages with version.
+
+ If 'pkg_name' is not None, will return only those packages matching the
+ name."""
+ pip_regex = re.compile(r"(?P<name>.*)==(?P<version>[\w\.]+)")
+ git_regex = re.compile(r".*@(?P<version>[\w]+)#egg=(?P<name>[\w]+)")
+
+ pkg_dict = {}
+ for _pkg in freeze.freeze(local_only=True):
+ match = pip_regex.match(_pkg) or git_regex.match(_pkg)
+ if match and (not pkg_name or (
+ pkg_name and match.group('name').find(pkg_name) != -1)):
+ pkg_dict[match.group('name')] = match.group('version')
+
+ return pkg_dict
diff --git a/yardstick/common/privsep.py b/yardstick/common/privsep.py
new file mode 100644
index 000000000..4ae510489
--- /dev/null
+++ b/yardstick/common/privsep.py
@@ -0,0 +1,23 @@
+# Copyright (c) 2018 Intel Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from oslo_privsep import capabilities as c
+from oslo_privsep import priv_context
+
+yardstick_root = priv_context.PrivContext(
+ "yardstick",
+ cfg_section="yardstick_privileged",
+ pypath=__name__ + ".yardstick_root",
+ capabilities=[c.CAP_SYS_ADMIN]
+)
diff --git a/yardstick/common/utils.py b/yardstick/common/utils.py
index 8604e900f..8d6d31efb 100644
--- a/yardstick/common/utils.py
+++ b/yardstick/common/utils.py
@@ -30,6 +30,7 @@ import six
from flask import jsonify
from six.moves import configparser
from oslo_serialization import jsonutils
+from oslo_utils import encodeutils
import yardstick
@@ -105,13 +106,12 @@ def remove_file(path):
raise
-def execute_command(cmd):
+def execute_command(cmd, **kwargs):
exec_msg = "Executing command: '%s'" % cmd
logger.debug(exec_msg)
- output = subprocess.check_output(cmd.split()).split(os.linesep)
-
- return output
+ output = subprocess.check_output(cmd.split(), **kwargs)
+ return encodeutils.safe_decode(output, incoming='utf-8').split(os.linesep)
def source_env(env_file):
diff --git a/yardstick/tests/functional/base.py b/yardstick/tests/functional/base.py
new file mode 100644
index 000000000..51be013a1
--- /dev/null
+++ b/yardstick/tests/functional/base.py
@@ -0,0 +1,46 @@
+# Copyright (c) 2018 Intel Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import abc
+import six
+
+from oslo_config import cfg
+from oslotest import base
+
+
+CONF = cfg.CONF
+
+
+@six.add_metaclass(abc.ABCMeta)
+class BaseFunctionalTestCase(base.BaseTestCase):
+ """Base class for functional tests."""
+
+ def setUp(self):
+ super(BaseFunctionalTestCase, self).setUp()
+
+ def config(self, **kw):
+ """Override some configuration values.
+
+ The keyword arguments are the names of configuration options to
+ override and their values.
+
+ If a group argument is supplied, the overrides are applied to
+ the specified configuration option group.
+
+ All overrides are automatically cleared at the end of the current
+ test by the fixtures cleanup process.
+ """
+ group = kw.pop('group', None)
+ for k, v in kw.items():
+ CONF.set_override(k, v, group)
diff --git a/yardstick/tests/functional/common/fake_directory_package/README.md b/yardstick/tests/functional/common/fake_directory_package/README.md
new file mode 100644
index 000000000..689e47039
--- /dev/null
+++ b/yardstick/tests/functional/common/fake_directory_package/README.md
@@ -0,0 +1,2 @@
+# yardstick_new_plugin
+Yardstick plugin
diff --git a/yardstick/tests/functional/common/fake_directory_package/setup.py b/yardstick/tests/functional/common/fake_directory_package/setup.py
new file mode 100644
index 000000000..cf938ef4f
--- /dev/null
+++ b/yardstick/tests/functional/common/fake_directory_package/setup.py
@@ -0,0 +1,29 @@
+# Copyright (c) 2018 Intel Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from setuptools import setup, find_packages
+
+setup(
+ name='yardstick_new_plugin_2',
+ version='1.0.0',
+ packages=find_packages(),
+ include_package_data=True,
+ url='https://www.opnfv.org',
+ entry_points={
+ 'yardstick.scenarios': [
+ 'Dummy2 = yardstick_new_plugin.benchmark.scenarios.dummy2.dummy2:'
+ 'Dummy2',
+ ]
+ },
+)
diff --git a/yardstick/tests/functional/common/fake_directory_package/yardstick_new_plugin_2/__init__.py b/yardstick/tests/functional/common/fake_directory_package/yardstick_new_plugin_2/__init__.py
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/yardstick/tests/functional/common/fake_directory_package/yardstick_new_plugin_2/__init__.py
diff --git a/yardstick/tests/functional/common/fake_directory_package/yardstick_new_plugin_2/benchmark/__init__.py b/yardstick/tests/functional/common/fake_directory_package/yardstick_new_plugin_2/benchmark/__init__.py
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/yardstick/tests/functional/common/fake_directory_package/yardstick_new_plugin_2/benchmark/__init__.py
diff --git a/yardstick/tests/functional/common/fake_directory_package/yardstick_new_plugin_2/benchmark/scenarios/__init__.py b/yardstick/tests/functional/common/fake_directory_package/yardstick_new_plugin_2/benchmark/scenarios/__init__.py
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/yardstick/tests/functional/common/fake_directory_package/yardstick_new_plugin_2/benchmark/scenarios/__init__.py
diff --git a/yardstick/tests/functional/common/fake_directory_package/yardstick_new_plugin_2/benchmark/scenarios/dummy2/__init__.py b/yardstick/tests/functional/common/fake_directory_package/yardstick_new_plugin_2/benchmark/scenarios/dummy2/__init__.py
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/yardstick/tests/functional/common/fake_directory_package/yardstick_new_plugin_2/benchmark/scenarios/dummy2/__init__.py
diff --git a/yardstick/tests/functional/common/fake_directory_package/yardstick_new_plugin_2/benchmark/scenarios/dummy2/dummy2.py b/yardstick/tests/functional/common/fake_directory_package/yardstick_new_plugin_2/benchmark/scenarios/dummy2/dummy2.py
new file mode 100644
index 000000000..a2211ec51
--- /dev/null
+++ b/yardstick/tests/functional/common/fake_directory_package/yardstick_new_plugin_2/benchmark/scenarios/dummy2/dummy2.py
@@ -0,0 +1,40 @@
+# Copyright (c) 2018 Intel Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import logging
+
+from yardstick.benchmark.scenarios import base
+
+
+LOG = logging.getLogger(__name__)
+
+
+class Dummy2(base.Scenario):
+ """Execute Dummy (v2!) echo"""
+ __scenario_type__ = "Dummy2"
+
+ def __init__(self, scenario_cfg, context_cfg):
+ self.scenario_cfg = scenario_cfg
+ self.context_cfg = context_cfg
+ self.setup_done = False
+
+ def setup(self):
+ self.setup_done = True
+
+ def run(self, result):
+ if not self.setup_done:
+ self.setup()
+
+ result["hello"] = "yardstick"
+ LOG.info("Dummy (v2!) echo hello yardstick!")
diff --git a/yardstick/tests/functional/common/fake_pip_package/yardstick_new_plugin-1.0.0.tar.gz b/yardstick/tests/functional/common/fake_pip_package/yardstick_new_plugin-1.0.0.tar.gz
new file mode 100644
index 000000000..e5379a78a
--- /dev/null
+++ b/yardstick/tests/functional/common/fake_pip_package/yardstick_new_plugin-1.0.0.tar.gz
Binary files differ
diff --git a/yardstick/tests/functional/common/test_packages.py b/yardstick/tests/functional/common/test_packages.py
new file mode 100644
index 000000000..5dead4e55
--- /dev/null
+++ b/yardstick/tests/functional/common/test_packages.py
@@ -0,0 +1,94 @@
+# Copyright (c) 2018 Intel Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import os
+from os import path
+import re
+
+from yardstick.common import packages
+from yardstick.common import utils
+from yardstick.tests.functional import base
+
+
+class PipPackagesTestCase(base.BaseFunctionalTestCase):
+
+ TMP_FOLDER = '/tmp/pip_packages/'
+ PYTHONPATH = 'PYTHONPATH=%s' % TMP_FOLDER
+
+ def setUp(self):
+ super(PipPackagesTestCase, self).setUp()
+ privsep_helper = os.path.join(
+ os.getenv('VIRTUAL_ENV'), 'bin', 'privsep-helper')
+ self.config(
+ helper_command=' '.join(['sudo', '-EH', privsep_helper]),
+ group='yardstick_privileged')
+ self.addCleanup(self._cleanup)
+
+ def _cleanup(self):
+ utils.execute_command('sudo rm -rf %s' % self.TMP_FOLDER)
+
+ def _remove_package(self, package):
+ os.system('%s pip uninstall %s -y' % (self.PYTHONPATH, package))
+
+ def _list_packages(self):
+ pip_list_regex = re.compile(
+ r"(?P<name>[\w\.-]+) \((?P<version>[\w\d_\.\-]+),*.*\)")
+ pkg_dict = {}
+ pkgs = utils.execute_command('pip list',
+ env={'PYTHONPATH': self.TMP_FOLDER})
+ for line in pkgs:
+ match = pip_list_regex.match(line)
+ if match and match.group('name'):
+ pkg_dict[match.group('name')] = match.group('version')
+ return pkg_dict
+
+ def test_install_from_folder(self):
+ dirname = path.dirname(__file__)
+ package_dir = dirname + '/fake_directory_package'
+ package_name = 'yardstick-new-plugin-2'
+ self.addCleanup(self._remove_package, package_name)
+ self._remove_package(package_name)
+ self.assertFalse(package_name in self._list_packages())
+
+ self.assertEqual(0, packages.pip_install(package_dir, self.TMP_FOLDER))
+ self.assertTrue(package_name in self._list_packages())
+
+ def test_install_from_pip_package(self):
+ dirname = path.dirname(__file__)
+ package_path = (dirname +
+ '/fake_pip_package/yardstick_new_plugin-1.0.0.tar.gz')
+ package_name = 'yardstick-new-plugin'
+ self.addCleanup(self._remove_package, package_name)
+ self._remove_package(package_name)
+ self.assertFalse(package_name in self._list_packages())
+
+ self.assertEqual(0, packages.pip_install(package_path, self.TMP_FOLDER))
+ self.assertTrue(package_name in self._list_packages())
+
+ # NOTE(ralonsoh): an stable test plugin project is needed in OPNFV git
+ # server to execute this test.
+ # def test_install_from_url(self):
+
+ def test_pip_freeze(self):
+ # NOTE (ralonsoh): from requirements.txt file. The best way to test
+ # this function is to parse requirements.txt and test-requirements.txt
+ # and check all packages.
+ pkgs_ref = {'Babel': '2.3.4',
+ 'SQLAlchemy': '1.1.12',
+ 'influxdb': '4.1.1',
+ 'netifaces': '0.10.6',
+ 'unicodecsv': '0.14.1'}
+ pkgs = packages.pip_list()
+ for name, version in (pkgs_ref.items()):
+ self.assertEqual(version, pkgs[name])
diff --git a/yardstick/tests/unit/common/test_packages.py b/yardstick/tests/unit/common/test_packages.py
new file mode 100644
index 000000000..ba59a3015
--- /dev/null
+++ b/yardstick/tests/unit/common/test_packages.py
@@ -0,0 +1,88 @@
+# Copyright (c) 2018 Intel Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import mock
+from pip import exceptions as pip_exceptions
+from pip.operations import freeze
+import unittest
+
+from yardstick.common import packages
+
+
+class PipExecuteActionTestCase(unittest.TestCase):
+
+ def setUp(self):
+ self._mock_pip_main = mock.patch.object(packages, '_pip_main')
+ self.mock_pip_main = self._mock_pip_main.start()
+ self.mock_pip_main.return_value = 0
+ self._mock_freeze = mock.patch.object(freeze, 'freeze')
+ self.mock_freeze = self._mock_freeze.start()
+ self.addCleanup(self._cleanup)
+
+ def _cleanup(self):
+ self._mock_pip_main.stop()
+ self._mock_freeze.stop()
+
+ def test_pip_execute_action(self):
+ self.assertEqual(0, packages._pip_execute_action('test_package'))
+
+ def test_remove(self):
+ self.assertEqual(0, packages._pip_execute_action('test_package',
+ action='uninstall'))
+
+ def test_install(self):
+ self.assertEqual(0, packages._pip_execute_action(
+ 'test_package', action='install', target='temp_dir'))
+
+ def test_pip_execute_action_error(self):
+ self.mock_pip_main.return_value = 1
+ self.assertEqual(1, packages._pip_execute_action('test_package'))
+
+ def test_pip_execute_action_exception(self):
+ self.mock_pip_main.side_effect = pip_exceptions.PipError
+ self.assertEqual(1, packages._pip_execute_action('test_package'))
+
+ def test_pip_list(self):
+ pkg_input = [
+ 'XStatic-Rickshaw==1.5.0.0',
+ 'xvfbwrapper==0.2.9',
+ '-e git+https://git.opnfv.org/yardstick@50773a24afc02c9652b662ecca'
+ '2fc5621ea6097a#egg=yardstick',
+ 'zope.interface==4.4.3'
+ ]
+ pkg_dict = {
+ 'XStatic-Rickshaw': '1.5.0.0',
+ 'xvfbwrapper': '0.2.9',
+ 'yardstick': '50773a24afc02c9652b662ecca2fc5621ea6097a',
+ 'zope.interface': '4.4.3'
+ }
+ self.mock_freeze.return_value = pkg_input
+
+ pkg_output = packages.pip_list()
+ for pkg_name, pkg_version in pkg_output.items():
+ self.assertEqual(pkg_dict.get(pkg_name), pkg_version)
+
+ def test_pip_list_single_package(self):
+ pkg_input = [
+ 'XStatic-Rickshaw==1.5.0.0',
+ 'xvfbwrapper==0.2.9',
+ '-e git+https://git.opnfv.org/yardstick@50773a24afc02c9652b662ecca'
+ '2fc5621ea6097a#egg=yardstick',
+ 'zope.interface==4.4.3'
+ ]
+ self.mock_freeze.return_value = pkg_input
+
+ pkg_output = packages.pip_list(pkg_name='xvfbwrapper')
+ self.assertEqual(1, len(pkg_output))
+ self.assertEqual(pkg_output.get('xvfbwrapper'), '0.2.9')