Add ability to prompt for passwords for user create and set

* Add get_password method to the utilities
* Add --password-prompt option
* Call the get_password method if a prompt is requested
* Various tests

Change-Id: I1786ad531e2a2fbcc21b8bc86aac0ccd7985995a
Closes-Bug: 1100116

1 files changed, 59 insertions, 0 deletions

diff --git a/openstackclient/tests/common/test_utils.py b/openstackclient/tests/common/test_utils.py
new file mode 100644
index 00000000..0ad4ca9b
--- /dev/null
+++ b/openstackclient/tests/common/test_utils.py
@@ -0,0 +1,59 @@
+#   Copyright 2012-2013 OpenStack, LLC.
+#
+#   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 openstackclient.common import exceptions
+from openstackclient.common import utils
+from openstackclient.tests import utils as test_utils
+
+PASSWORD = "Pa$$w0rd"
+WASSPORD = "Wa$$p0rd"
+DROWSSAP = "dr0w$$aP"
+
+
+class TestUtils(test_utils.TestCase):
+
+    def test_get_password_good(self):
+        with mock.patch("getpass.getpass", return_value=PASSWORD):
+            mock_stdin = mock.Mock()
+            mock_stdin.isatty = mock.Mock()
+            mock_stdin.isatty.return_value = True
+            self.assertEqual(utils.get_password(mock_stdin), PASSWORD)
+
+    def test_get_password_bad_once(self):
+        answers = [PASSWORD, WASSPORD, DROWSSAP, DROWSSAP]
+        with mock.patch("getpass.getpass", side_effect=answers):
+            mock_stdin = mock.Mock()
+            mock_stdin.isatty = mock.Mock()
+            mock_stdin.isatty.return_value = True
+            self.assertEqual(utils.get_password(mock_stdin), DROWSSAP)
+
+    def test_get_password_no_tty(self):
+        mock_stdin = mock.Mock()
+        mock_stdin.isatty = mock.Mock()
+        mock_stdin.isatty.return_value = False
+        self.assertRaises(exceptions.CommandError,
+                          utils.get_password,
+                          mock_stdin)
+
+    def test_get_password_cntrl_d(self):
+        with mock.patch("getpass.getpass", side_effect=EOFError()):
+            mock_stdin = mock.Mock()
+            mock_stdin.isatty = mock.Mock()
+            mock_stdin.isatty.return_value = True
+            self.assertRaises(exceptions.CommandError,
+                              utils.get_password,
+                              mock_stdin)