No, really. Added tests for WSGI loader.

1 files changed, 79 insertions, 0 deletions

diff --git a/nova/tests/test_wsgi.py b/nova/tests/test_wsgi.py
new file mode 100644
index 000000000..245b51d81
--- /dev/null
+++ b/nova/tests/test_wsgi.py
@@ -0,0 +1,79 @@
+# vim: tabstop=4 shiftwidth=4 softtabstop=4
+
+# Copyright 2011 United States Government as represented by the
+# Administrator of the National Aeronautics and Space Administration.
+# All Rights Reserved.
+#
+#    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.
+
+"""Unit tests for `nova.wsgi`."""
+
+import os.path
+import tempfile
+
+import unittest2 as unittest
+
+import nova.exception
+import nova.test
+import nova.wsgi
+
+
+class TestNothingExists(unittest.TestCase):
+    """Loader tests where os.path.exists always returns False."""
+
+    def setUp(self):
+        self._os_path_exists = os.path.exists
+        os.path.exists = lambda _: False
+
+    def test_config_not_found(self):
+        self.assertRaises(
+            nova.exception.PasteConfigNotFound,
+            nova.wsgi.Loader,
+        )
+
+    def tearDown(self):
+        os.path.exists = self._os_path_exists
+
+
+class TestNormalFilesystem(unittest.TestCase):
+    """Loader tests where os.path.exists always returns True."""
+
+    _paste_config = """
+[app:test_app]
+use = egg:Paste#static
+document_root = /tmp
+    """
+
+    def setUp(self):
+        self.config = tempfile.NamedTemporaryFile(mode="w+t")
+        self.config.write(self._paste_config.lstrip())
+        self.config.seek(0)
+        self.config.flush()
+        self.loader = nova.wsgi.Loader(self.config.name)
+
+    def test_config_found(self):
+       self.assertEquals(self.config.name, self.loader.config_path)
+
+    def test_app_not_found(self):
+        self.assertRaises(
+            nova.exception.PasteAppNotFound,
+            self.loader.load_app,
+            "non-existant app",
+        )
+
+    def test_app_found(self):
+        url_parser = self.loader.load_app("test_app")
+        self.assertEquals("/tmp", url_parser.directory)
+
+    def tearDown(self):
+        self.config.close()