--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/settings_test.py	Mon Aug 04 22:38:35 2008 +0000
@@ -0,0 +1,121 @@
+#!/usr/bin/python2.5
+#
+# Copyright 2008 the Melange authors.
+#
+# 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.
+
+"""Tests for the scripts.settings module.
+
+
+For details on running the tests, see:
+  http://code.google.com/p/soc/wiki/TestingGuidelines#Running_the_smoke_tests
+"""
+
+__authors__ = [
+  # alphabetical order by last name, please
+  '"Todd Larsen" <tlarsen@google.com>',
+]
+
+
+import optparse
+import os
+import sys
+import unittest
+
+from ..scripts import settings
+
+
+class SettingsTests(unittest.TestCase):
+  """Python-format settings file tests for the settings.py module.
+  """
+
+  def setUp(self):
+    self.test_srcdir = os.path.dirname(__file__)
+    self.settings_defaults = {'foo': 1, 'bif': 4}
+
+  def testMissingPythonSettings(self):
+    """Test that non-existent files work properly without errors.
+    """
+    # non-existent settings file with no defaults produces empty dict
+    self.assertEqual(
+        {},
+        settings.readPythonSettings(settings_dir=self.test_srcdir,
+                                    settings_file='nonexistent_file'))
+
+    # non-existent settings file should just pass through the defaults
+    self.assertEqual(
+        self.settings_defaults,
+        settings.readPythonSettings(defaults=self.settings_defaults,
+                                    settings_dir=self.test_srcdir,
+                                    settings_file='nonexistent_file'))
+
+  def testGoodPythonSettings(self):
+    """Test that settings file that is present overwrites defaults.
+    """
+    # foo and bar are overwritten, but not bif (not in the settings file)
+    self.assertEqual(
+        {'foo': 3, 'bar': 3, 'bif': 4},
+        settings.readPythonSettings(defaults=self.settings_defaults,
+                                    settings_dir=self.test_srcdir,
+                                    settings_file='good_test_settings'))
+
+    # but the original defaults will be untouched
+    self.assertEqual({'foo': 1, 'bif': 4}, self.settings_defaults)
+
+  def testBadPythonSettings(self):
+    """Test that exception is raised when format of settings file is bad.
+    """
+    self.assertRaises(settings.Error, settings.readPythonSettings,
+                      settings_dir=self.test_srcdir,
+                      settings_file='bad_test_settings')
+
+
+class OptionParserTests(unittest.TestCase):
+  """Tests of custom optparse OptionParser with 'required' parameter support.
+  """
+
+  def testRequiredPresent(self):
+    """Test required=True raises nothing when value option is present.
+    """
+    parser = settings.OptionParser(
+      option_list=[
+        settings.Option(
+            '-t', '--test', action='store', dest='test', required=True,
+            help='(REQUIRED) test option'),
+        ],
+      )
+
+    options, args = parser.parse_args([sys.argv[0], '--test', '3'])
+
+  def testRequiredMissing(self):
+    """Test that Error exception is raised if required option not present.
+    """
+    parser = settings.OptionParser(
+      option_list=[
+        settings.Option(
+            '-t', '--test', action='store', dest='test', required=True,
+            help='(REQUIRED) test option'),
+        ],
+      )
+
+    self.assertRaises(settings.Error, parser.parse_args, [])
+
+  def testBadRequiredAction(self):
+    """Test that OptionError is raised if action does not support required=True.
+    """
+
+    # store_true is not in Options.TYPED_VALUES, which means option cannot
+    # take a value, so required=True is not permitted.
+    self.assertRaises(optparse.OptionError, settings.Option,
+        '-t', '--test', action='store_true', dest='test', required=True,
+        help='(REQUIRED) test option')