git_cl: Add the ability to set the description.

tests/git_cl_test.py

 #!/usr/bin/env python
 # Copyright (c) 2012 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.
 
 """Unit tests for git_cl.py."""
 
 import os
 import StringIO
 import stat
@@ skipping 1367 matching lines @@
     ]
     # TODO(tandrii): consider testing just set-commit and set-commit --clear,
     # but without copy-pasting tons of expectations, as modifying them later is
     # super tedious.
     self.assertEqual(0, git_cl.main(['set-commit', '-d']))
 
   def test_description_display(self):
     out = StringIO.StringIO()
     self.mock(git_cl.sys, 'stdout', out)
 
     class MockChangelist():

[tandrii(chromium), 2016/04/28 05:13:56]

i think it's time to kick this outside of this this method and share it for 3
tests.

[martiniss, 2016/04/28 20:51:38]

Done.

       def __init__(self, **kwargs):
         pass
       def GetIssue(self):
         return 1
       def GetDescription(self):
         return 'foo'
 
     self.mock(git_cl, 'Changelist', MockChangelist)
 
     self.assertEqual(0, git_cl.main(['description', '-d']))
@@ skipping 17 matching lines @@
   def test_description_gerrit(self):
     out = StringIO.StringIO()
     self.mock(git_cl.sys, 'stdout', out)
     self.mock(git_cl.Changelist, 'GetDescription',
               lambda *args: 'foobar')
 
     self.assertEqual(0, git_cl.main([
         'description', 'https://code.review.org/123123', '-d', '--gerrit']))
     self.assertEqual('foobar\n', out.getvalue())
 
+  def test_description_set_raw(self):
+    out = StringIO.StringIO()
+    self.mock(git_cl.sys, 'stdout', out)
+
+    set_desc = []
+    class MockChangelist():
+      def __init__(self, **kwargs):
+        pass
+      def GetIssue(self):
+        return 1
+      def GetDescription(self):
+        return 'foo'
+      def UpdateDescription(self, desc):
+        set_desc.append(desc)
+
+    self.mock(git_cl, 'Changelist', MockChangelist)
+
+    self.assertEqual(0, git_cl.main(['description', '-n', 'hihi']))
+    self.assertEqual('hihi', set_desc[0])
+
+  def test_description_set_stdin(self):
+    out = StringIO.StringIO()
+    self.mock(git_cl.sys, 'stdout', out)
+
+    set_desc = []
+    class MockChangelist():
+      def __init__(self, **kwargs):
+        pass
+      def GetIssue(self):
+        return 1
+      def GetDescription(self):
+        return 'foo'
+      def UpdateDescription(self, desc):
+        set_desc.append(desc)
+
+    self.mock(git_cl, 'Changelist', MockChangelist)
+    self.mock(git_cl.sys, 'stdin', ['hi', 'there'])
+
+    self.assertEqual(0, git_cl.main(['description', '-n', '-']))
+    self.assertEqual('hi\nthere', set_desc[0])
+
 
 if __name__ == '__main__':
   git_cl.logging.basicConfig(
       level=git_cl.logging.DEBUG if '-v' in sys.argv else git_cl.logging.ERROR)
   unittest.main()