Introduce UserStory & UserStorySet classes.

tools/telemetry/telemetry/user_story/user_story_unittest.py

Index: tools/telemetry/telemetry/user_story/user_story_unittest.py
diff --git a/tools/telemetry/telemetry/user_story/user_story_unittest.py b/tools/telemetry/telemetry/user_story/user_story_unittest.py
new file mode 100644
index 0000000000000000000000000000000000000000..6b926938e0e07a223c93a27a098303c6a4eeea2f
--- /dev/null
+++ b/tools/telemetry/telemetry/user_story/user_story_unittest.py
@@ -0,0 +1,41 @@
+# Copyright 2014 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import unittest
+
+from telemetry import user_story
+
+class UserStoryFoo(user_story.UserStory):
+  pass
+
+
+class UserStoryTest(unittest.TestCase):
+  def testUserStoriesHaveDifferentIds(self):
+    u0 = user_story.UserStory('foo')
+    u1 = user_story.UserStory('bar')
+    self.assertNotEqual(u0.id, u1.id)
+
+  def testNamelessUserStoryDisplayName(self):
+    u = UserStoryFoo()
+    self.assertEquals('UserStoryFoo', u.display_name)
+
+  def testNamedUserStoryDisplayName(self):
+    u = UserStoryFoo('Bar')
+    self.assertEquals('Bar', u.display_name)
+
+  def testUserStoryFileSafeName(self):
+    u = UserStoryFoo('Foo Bar:Baz~0')
+    self.assertEquals('Foo_Bar_Baz_0', u.file_safe_name)
+
+  def testNamelessUserStoryAsDict(self):
+    u = user_story.UserStory()
+    u_dict = u.AsDict()
+    self.assertEquals(u_dict['id'], u.id)
+    self.assertNotIn('name', u_dict)
+
+  def testNamedUserStoryAsDict(self):
+    u = user_story.UserStory('Foo')
+    u_dict = u.AsDict()
+    self.assertEquals(u_dict['id'], u.id)
+    self.assertEquals('Foo', u_dict['name'])