Merge "Use mock instead of relying on command stderr"
diff --git a/tempest/tests/lib/cli/test_execute.py b/tempest/tests/lib/cli/test_execute.py
index b846c46..cc9c94c 100644
--- a/tempest/tests/lib/cli/test_execute.py
+++ b/tempest/tests/lib/cli/test_execute.py
@@ -12,26 +12,65 @@
# under the License.
+import mock
+import subprocess
+
from tempest.lib.cli import base as cli_base
from tempest.lib import exceptions
from tempest.tests import base
class TestExecute(base.TestCase):
- def test_execute_success(self):
+
+ @mock.patch('subprocess.Popen', autospec=True)
+ def test_execute_success(self, mock_popen):
+ mock_popen.return_value.returncode = 0
+ mock_popen.return_value.communicate.return_value = (
+ "__init__.py", "")
result = cli_base.execute("/bin/ls", action="tempest",
flags="-l -a")
+ args, kwargs = mock_popen.call_args
+ # Check merge_stderr == False
+ self.assertEqual(subprocess.PIPE, kwargs['stderr'])
+ # Check action and flags are passed
+ args = args[0]
+ # We just tests that all pieces are passed through, we cannot make
+ # assumptions about the order
+ self.assertIn("/bin/ls", args)
+ self.assertIn("-l", args)
+ self.assertIn("-a", args)
+ self.assertIn("tempest", args)
+ # The result is mocked - checking that the mock was invoked correctly
self.assertIsInstance(result, str)
self.assertIn("__init__.py", result)
- def test_execute_failure(self):
+ @mock.patch('subprocess.Popen', autospec=True)
+ def test_execute_failure(self, mock_popen):
+ mock_popen.return_value.returncode = 1
+ mock_popen.return_value.communicate.return_value = (
+ "No such option --foobar", "")
result = cli_base.execute("/bin/ls", action="tempest.lib",
flags="--foobar", merge_stderr=True,
fail_ok=True)
+ args, kwargs = mock_popen.call_args
+ # Check the merge_stderr
+ self.assertEqual(subprocess.STDOUT, kwargs['stderr'])
+ # Check action and flags are passed
+ args = args[0]
+ # We just tests that all pieces are passed through, we cannot make
+ # assumptions about the order
+ self.assertIn("/bin/ls", args)
+ self.assertIn("--foobar", args)
+ self.assertIn("tempest.lib", args)
+ # The result is mocked - checking that the mock was invoked correctly
self.assertIsInstance(result, str)
self.assertIn("--foobar", result)
- def test_execute_failure_raise_exception(self):
+ @mock.patch('subprocess.Popen', autospec=True)
+ def test_execute_failure_raise_exception(self, mock_popen):
+ mock_popen.return_value.returncode = 1
+ mock_popen.return_value.communicate.return_value = (
+ "No such option --foobar", "")
self.assertRaises(exceptions.CommandFailed, cli_base.execute,
"/bin/ls", action="tempest", flags="--foobar",
merge_stderr=True)