Add testing

gleam/tests/test_gleam.py

@@ -1,28 +1,163 @@
-# -*- coding: utf-8 -*-
+# Copyright (c) 2015 Hewlett-Packard Development Company, L.P.
-
-# 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
+# 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
+# distributed under the License is distributed on an "AS IS" BASIS,
-# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
-# License for the specific language governing permissions and limitations
+# implied.
-# under the License.
+# See the License for the specific language governing permissions and
+# limitations under the License.
 
-"""
+import imp
-test_gleam
+import os
-----------------------------------
 
-Tests for `gleam` module.
+import fixtures
-"""
+import mock
 
-from gleam.tests import base
+from oslotest import base
+
+from gleam import cmd
 
 
-class TestProcessConfigDrive(base.TestCase):
+sample_data_path = os.path.join(
+    os.path.dirname(os.path.realpath(__file__)), 'fixtures')
 
-    def test_something(self):
+
-        pass
+class TestProcessConfigDrive(base.BaseTestCase):
+    def setUp(self):
+        super(TestProcessConfigDrive, self).setUp()
+
+    def _patch_argv(self, args):
+        self.useFixture(fixtures.MonkeyPatch('sys.argv', ['.'] + args))
+
+    def _patch_files(self, sample_prefix):
+        std_open = open
+        self.file_handle_mocks = {}
+
+        def open_side_effect(*args, **kwargs):
+            if (args[0].startswith('/etc/network') or
+                    args[0].startswith('/etc/sysconfig/network-scripts') or
+                    args[0].startswith('/etc/resolv.conf')):
+                try:
+                    mock_handle = self.file_handle_mocks[args[0]]
+                except KeyError:
+                    mock_handle = mock.Mock()
+                    mock_handle.__enter__ = mock.Mock(return_value=mock_handle)
+                    mock_handle.__exit__ = mock.Mock()
+                    self.file_handle_mocks[args[0]] = mock_handle
+                return mock_handle
+            elif args[0].startswith('/sys/class/net'):
+                mock_args = [os.path.join(
+                    sample_data_path, sample_prefix, args[0][1:])]
+                if len(args) > 1:
+                    mock_args += args[1:]
+                return std_open(*mock_args, **kwargs)
+            elif args[0].startswith('/mnt/config'):
+                mock_args = [os.path.join(
+                    sample_data_path, sample_prefix,
+                    args[0][len('/mnt/config/'):])]
+                if len(args) > 1:
+                    mock_args += args[1:]
+                return std_open(*mock_args, **kwargs)
+            else:
+                return std_open(*args, **kwargs)
+
+        mock_open = mock.Mock(side_effect=open_side_effect)
+        self.useFixture(fixtures.MonkeyPatch('six.moves.builtins.open',
+                                             mock_open))
+
+        real_listdir = os.listdir
+
+        def fake_listdir(path):
+            if path.startswith('/'):
+                path = path[1:]
+            return real_listdir(os.path.join(
+                sample_data_path, sample_prefix, path))
+
+        self.useFixture(fixtures.MonkeyPatch('os.listdir', fake_listdir))
+        self.useFixture(fixtures.MonkeyPatch(
+            'subprocess.check_output', mock.Mock()))
+
+        real_path_exists = os.path.exists
+
+        def fake_path_exists(path):
+            if path.startswith('/mnt/config'):
+                path = os.path.join(
+                    sample_data_path, sample_prefix,
+                    path[len('/mnt/config/'):])
+            return real_path_exists(path)
+
+        self.useFixture(fixtures.MonkeyPatch('os.path.exists',
+                                             fake_path_exists))
+
+    def _patch_distro(self, distro_name):
+        def fake_distro():
+            return (distro_name, '', '')
+
+        self.useFixture(fixtures.MonkeyPatch('platform.dist', fake_distro))
+
+    def _assert_network_output(self, distro, provider):
+        self._patch_argv([])
+        self._patch_files(provider)
+        self._patch_distro(distro)
+
+        cmd.main()
+
+        output_filename = '%s.%s.network.out' % (provider, distro.lower())
+        output_path = os.path.join(sample_data_path, 'test', output_filename)
+
+        # Generate a list of (dest, content) into write_blocks to assert
+        write_blocks = []
+        lines = open(output_path).readlines()
+        write_dest = None
+        write_content = None
+        for line in lines:
+            if line.startswith('### Write '):
+                if write_dest is not None:
+                    write_blocks.append((write_dest, write_content))
+                write_dest = line[len('### Write '):-1]
+                write_content = ''
+            else:
+                write_content += line
+        if write_dest is not None:
+            write_blocks.append((write_dest, write_content))
+
+        for dest, content in write_blocks:
+            self.assertIn(dest, self.file_handle_mocks)
+            write_handle = self.file_handle_mocks[dest].write
+            write_handle.assert_called_once_with(content)
+
+    def test_centos_hp(self):
+        self._assert_network_output('CentOS', 'hp')
+
+    def test_centos_rax(self):
+        self._assert_network_output('CentOS', 'rax')
+
+    def test_debian_hp(self):
+        self._assert_network_output('Debian', 'hp')
+
+    def test_debian_rax(self):
+        self._assert_network_output('Debian', 'rax')
+
+    def test_fedora_hp(self):
+        self._assert_network_output('Fedora', 'hp')
+
+    def test_fedora_rax(self):
+        self._assert_network_output('Fedora', 'rax')
+
+    def test_redhat_hp(self):
+        self._assert_network_output('RedHat', 'hp')
+
+    def test_redhat_rax(self):
+        self._assert_network_output('RedHat', 'rax')
+
+    def test_ubuntu_hp(self):
+        self._assert_network_output('Ubuntu', 'hp')
+
+    def test_ubuntu_rax(self):
+        self._assert_network_output('Ubuntu', 'rax')

test-requirements.txt

@@ -6,10 +6,11 @@ hacking>=0.9.2,<0.10
 
 coverage>=3.6
 discover
+mock>=1.0
 python-subunit
 sphinx>=1.1.2
 oslosphinx
 oslotest>=1.1.0.0a1
 testrepository>=0.0.18
 testscenarios>=0.4
-testtools>=0.9.34
+testtools>=0.9.34

tox.ini

@@ -8,8 +8,7 @@ usedevelop = True
 install_command = pip install -U {opts} {packages}
 setenv =
    VIRTUAL_ENV={envdir}
-deps = -r{toxinidir}/requirements.txt
+deps = -r{toxinidir}/test-requirements.txt
-       -r{toxinidir}/test-requirements.txt
 commands = python setup.py testr --slowest --testr-args='{posargs}'
 
 [testenv:pep8]