Added Unit Tests for cli.

JIRA: FUNCTEST-590

Change-Id: I5e28145cae742598927e8edbe65091fedb533a4d
Signed-off-by: ashishk1994 <ashishk.iiit@gmail.com>

1 files changed, 238 insertions, 0 deletions

diff --git a/functest/tests/unit/cli/commands/test_cli_os.py b/functest/tests/unit/cli/commands/test_cli_os.py
new file mode 100644
index 00000000..9e704806
--- /dev/null
+++ b/functest/tests/unit/cli/commands/test_cli_os.py
@@ -0,0 +1,238 @@
+#!/usr/bin/env python
+#
+# jose.lausuch@ericsson.com
+# All rights reserved. This program and the accompanying materials
+# are made available under the terms of the Apache License, Version 2.0
+# which accompanies this distribution, and is available at
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+
+import logging
+import unittest
+import os
+
+import mock
+
+from functest.cli.commands import cli_os
+from functest.utils.constants import CONST
+
+
+class CliOpenStackTesting(unittest.TestCase):
+    logging.disable(logging.CRITICAL)
+
+    def setUp(self):
+        self.endpoint_ip = 'test_ip'
+        self.os_auth_url = 'http://test_ip:test_port/v2.0'
+        self.installer_type = 'test_installer_type'
+        self.installer_ip = 'test_installer_ip'
+        self.openstack_creds = 'test_openstack_creds'
+        self.dir_repo_functest = 'test_dir_repo_functest'
+        self.snapshot_file = 'test_snapshot_file'
+        self.cli_os = cli_os.CliOpenStack()
+
+    def test_ping_endpoint_default(self):
+        self.cli_os.os_auth_url = self.os_auth_url
+        self.cli_os.endpoint_ip = self.endpoint_ip
+        with mock.patch('functest.cli.commands.cli_os.os.system',
+                        return_value=0):
+            self.assertEqual(self.cli_os.ping_endpoint(), 0)
+
+    @mock.patch('functest.cli.commands.cli_os.exit', side_effect=Exception)
+    @mock.patch('functest.cli.commands.cli_os.click.echo')
+    def test_ping_endpoint_missing_auth_url(self, mock_click_echo,
+                                            mock_exit):
+        with self.assertRaises(Exception):
+            self.cli_os.os_auth_url = None
+            self.cli_os.ping_endpoint()
+            mock_click_echo.assert_called_once_with("Source the OpenStack "
+                                                    "credentials first '. "
+                                                    "$creds'")
+
+    @mock.patch('functest.cli.commands.cli_os.exit')
+    @mock.patch('functest.cli.commands.cli_os.click.echo')
+    def test_ping_endpoint_os_system_fails(self, mock_click_echo,
+                                           mock_exit):
+        self.cli_os.os_auth_url = self.os_auth_url
+        self.cli_os.endpoint_ip = self.endpoint_ip
+        with mock.patch('functest.cli.commands.cli_os.os.system',
+                        return_value=1):
+            self.cli_os.ping_endpoint()
+            mock_click_echo.assert_called_once_with("Cannot talk to the "
+                                                    "endpoint %s\n" %
+                                                    self.endpoint_ip)
+            mock_exit.assert_called_once_with(0)
+
+    @mock.patch('functest.cli.commands.cli_os.ft_utils.execute_command')
+    @mock.patch('functest.cli.commands.cli_os.os.path.isfile',
+                return_value=False)
+    @mock.patch('functest.cli.commands.cli_os.click.echo')
+    def test_fetch_credentials_default(self, mock_click_echo,
+                                       mock_os_path,
+                                       mock_ftutils_execute):
+        CONST.INSTALLER_TYPE = self.installer_type
+        CONST.INSTALLER_IP = self.installer_ip
+        cmd = ("%s/releng/utils/fetch_os_creds.sh -d %s -i %s -a %s"
+               % (CONST.dir_repos,
+                  self.openstack_creds,
+                  self.installer_type,
+                  self.installer_ip))
+        self.cli_os.openstack_creds = self.openstack_creds
+        self.cli_os.fetch_credentials()
+        mock_click_echo.assert_called_once_with("Fetching credentials from "
+                                                "installer node '%s' with "
+                                                "IP=%s.." %
+                                                (self.installer_type,
+                                                 self.installer_ip))
+        mock_ftutils_execute.assert_called_once_with(cmd, verbose=False)
+
+    @mock.patch('functest.cli.commands.cli_os.ft_utils.execute_command')
+    @mock.patch('functest.cli.commands.cli_os.os.path.isfile',
+                return_value=False)
+    @mock.patch('functest.cli.commands.cli_os.click.echo')
+    def test_fetch_credentials_missing_installer_type(self, mock_click_echo,
+                                                      mock_os_path,
+                                                      mock_ftutils_execute):
+        installer_type = None
+        installer_ip = self.installer_ip
+        CONST.INSTALLER_TYPE = installer_type
+        CONST.INSTALLER_IP = installer_ip
+        cmd = ("%s/releng/utils/fetch_os_creds.sh -d %s -i %s -a %s"
+               % (CONST.dir_repos,
+                  self.openstack_creds,
+                  installer_type,
+                  installer_ip))
+        self.cli_os.openstack_creds = self.openstack_creds
+        self.cli_os.fetch_credentials()
+        mock_click_echo.assert_any_call("The environment variable "
+                                        "'INSTALLER_TYPE' is not"
+                                        "defined. Please export it")
+        mock_click_echo.assert_any_call("Fetching credentials from "
+                                        "installer node '%s' with "
+                                        "IP=%s.." %
+                                        (installer_type,
+                                         installer_ip))
+        mock_ftutils_execute.assert_called_once_with(cmd, verbose=False)
+
+    @mock.patch('functest.cli.commands.cli_os.ft_utils.execute_command')
+    @mock.patch('functest.cli.commands.cli_os.os.path.isfile',
+                return_value=False)
+    @mock.patch('functest.cli.commands.cli_os.click.echo')
+    def test_fetch_credentials_missing_installer_ip(self, mock_click_echo,
+                                                    mock_os_path,
+                                                    mock_ftutils_execute):
+        installer_type = self.installer_type
+        installer_ip = None
+        CONST.INSTALLER_TYPE = installer_type
+        CONST.INSTALLER_IP = installer_ip
+        cmd = ("%s/releng/utils/fetch_os_creds.sh -d %s -i %s -a %s"
+               % (CONST.dir_repos,
+                  self.openstack_creds,
+                  installer_type,
+                  installer_ip))
+        self.cli_os.openstack_creds = self.openstack_creds
+        self.cli_os.fetch_credentials()
+        mock_click_echo.assert_any_call("The environment variable "
+                                        "'INSTALLER_IP' is not"
+                                        "defined. Please export it")
+        mock_click_echo.assert_any_call("Fetching credentials from "
+                                        "installer node '%s' with "
+                                        "IP=%s.." %
+                                        (installer_type,
+                                         installer_ip))
+        mock_ftutils_execute.assert_called_once_with(cmd, verbose=False)
+
+    @mock.patch('functest.cli.commands.cli_os.ft_utils.execute_command')
+    def test_check(self, mock_ftutils_execute):
+        with mock.patch.object(self.cli_os, 'ping_endpoint'):
+            CONST.dir_repo_functest = self.dir_repo_functest
+            cmd = CONST.dir_repo_functest + "/functest/ci/check_os.sh"
+            self.cli_os.check()
+            mock_ftutils_execute.assert_called_once_with(cmd, verbose=False)
+
+    @mock.patch('functest.cli.commands.cli_os.os.path.isfile',
+                return_value=False)
+    @mock.patch('functest.cli.commands.cli_os.click.echo')
+    def test_snapshot_create(self, mock_click_echo, mock_os_path):
+        with mock.patch.object(self.cli_os, 'ping_endpoint'), \
+                mock.patch('functest.cli.commands.cli_os.os_snapshot.main') \
+                as mock_os_snapshot:
+            self.cli_os.snapshot_create()
+            mock_click_echo.assert_called_once_with("Generating Openstack "
+                                                    "snapshot...")
+            self.assertTrue(mock_os_snapshot.called)
+
+    @mock.patch('functest.cli.commands.cli_os.os.path.isfile',
+                return_value=True)
+    @mock.patch('functest.cli.commands.cli_os.click.echo')
+    def test_snapshot_create_overwrite(self, mock_click_echo, mock_os_path):
+        with mock.patch('__builtin__.raw_input', return_value="y") \
+                as mock_raw_input, \
+                mock.patch.object(self.cli_os, 'ping_endpoint'), \
+                mock.patch('functest.cli.commands.cli_os.os_snapshot.main') \
+                as mock_os_snapshot:
+            self.cli_os.snapshot_create()
+            mock_click_echo.assert_called_once_with("Generating Openstack "
+                                                    "snapshot...")
+            mock_raw_input.assert_any_call("It seems there is already an "
+                                           "OpenStack snapshot. Do you want "
+                                           "to overwrite it with the current "
+                                           "OpenStack status? [y|n]\n")
+            self.assertTrue(mock_os_snapshot.called)
+
+    @mock.patch('functest.cli.commands.cli_os.os.path.isfile',
+                return_value=False)
+    @mock.patch('functest.cli.commands.cli_os.click.echo')
+    def test_snapshot_show_missing_snap(self, mock_click_echo, mock_os_path):
+        self.cli_os.snapshot_show()
+        mock_click_echo.assert_called_once_with("There is no OpenStack "
+                                                "snapshot created. To create "
+                                                "one run the command "
+                                                "'functest openstack "
+                                                "snapshot-create'")
+
+    @mock.patch('functest.cli.commands.cli_os.os.path.isfile',
+                return_value=True)
+    @mock.patch('functest.cli.commands.cli_os.click.echo')
+    def test_snapshot_show_default(self, mock_click_echo, mock_os_path):
+        with mock.patch('__builtin__.open', mock.mock_open(read_data='0')) \
+                as m:
+            self.cli_os.snapshot_file = self.snapshot_file
+            self.cli_os.snapshot_show()
+            m.assert_called_once_with(self.snapshot_file, 'r')
+            mock_click_echo.assert_called_once_with("\n0")
+
+    @mock.patch('functest.cli.commands.cli_os.os.path.isfile',
+                return_value=True)
+    @mock.patch('functest.cli.commands.cli_os.click.echo')
+    def test_clean(self, mock_click_echo, mock_os_path):
+        with mock.patch.object(self.cli_os, 'ping_endpoint'), \
+                mock.patch('functest.cli.commands.cli_os.os_clean.main') \
+                as mock_os_clean:
+            self.cli_os.clean()
+            self.assertTrue(mock_os_clean.called)
+
+    @mock.patch('functest.cli.commands.cli_os.os.path.isfile',
+                return_value=False)
+    @mock.patch('functest.cli.commands.cli_os.click.echo')
+    def test_clean_missing_file(self, mock_click_echo, mock_os_path):
+        with mock.patch.object(self.cli_os, 'ping_endpoint'):
+            self.cli_os.clean()
+            mock_click_echo.assert_called_once_with("Not possible to clean "
+                                                    "OpenStack without a "
+                                                    "snapshot. This could "
+                                                    "cause problems. "
+                                                    "Run first the command "
+                                                    "'functest openstack "
+                                                    "snapshot-create'")
+
+    @mock.patch('functest.cli.commands.cli_os.click.echo')
+    def test_show_credentials(self, mock_click_echo):
+        key = 'OS_KEY'
+        value = 'OS_VALUE'
+        with mock.patch.dict(os.environ, {key: value}):
+            self.cli_os.show_credentials()
+            mock_click_echo.assert_called_once_with("{}={}".format(key, value))
+
+
+if __name__ == "__main__":
+    unittest.main(verbosity=2)