git cl: remove unused issue kwarg.

R=ehmaldonado

Change-Id: I5be27cb025f8237cef0186c90eb7b99d000076d9
Reviewed-on: https://chromium-review.googlesource.com/1185986
Commit-Queue: Andrii Shyshkalov <tandrii@chromium.org>
Reviewed-by: Edward Lesmes <ehmaldonado@chromium.org>

git_cl.py

@@ -2493,7 +2493,6 @@ class _GerritChangelistImpl(_ChangelistCodereviewBase):
             (self.GetIssue(), self.GetIssueOwner(), details['email']))
       confirm_or_exit(action='upload')
 
-
   def _PostUnsetIssueProperties(self):
     """Which branch-specific properties to erase when unsetting issue."""
     return ['gerritsquashhash']
@@ -2661,15 +2660,14 @@ class _GerritChangelistImpl(_ChangelistCodereviewBase):
     gerrit_util.SubmitChange(self._GetGerritHost(), self.GetIssue(),
                              wait_for_merge=wait_for_merge)
 
-  def _GetChangeDetail(self, options=None, issue=None,
-                       no_cache=False):
-    """Returns details of the issue by querying Gerrit and caching results.
+  def _GetChangeDetail(self, options=None, no_cache=False):
+    """Returns details of associated Gerrit change and caching results.
 
     If fresh data is needed, set no_cache=True which will clear cache and
     thus new data will be fetched from Gerrit.
     """
     options = options or []
-    issue = issue or self.GetIssue()
+    issue = self.GetIssue()
     assert issue, 'issue is required to query Gerrit'
 
     # Optimization to avoid multiple RPCs:
@@ -2678,7 +2676,7 @@ class _GerritChangelistImpl(_ChangelistCodereviewBase):
       options.append('CURRENT_COMMIT')
 
     # Normalize issue and options for consistent keys in cache.
-    issue = str(issue)
+    issue = str(self.GetIssue())
     options = [o.upper() for o in options]
 
     # Check in cache first unless no_cache is True.
@@ -2697,8 +2695,7 @@ class _GerritChangelistImpl(_ChangelistCodereviewBase):
           return data
 
     try:
-      data = gerrit_util.GetChangeDetail(
-          self._GetGerritHost(), str(issue), options)
+      data = gerrit_util.GetChangeDetail(self._GetGerritHost(), issue, options)
     except gerrit_util.GerritError as e:
       if e.http_status == 404:
         raise GerritChangeNotExists(issue, self.GetCodereviewServer())

tests/git_cl_test.py

@@ -3114,17 +3114,6 @@ class TestGitCl(TestCase):
   def _mock_gerrit_changes_for_detail_cache(self):
     self.mock(git_cl._GerritChangelistImpl, '_GetGerritHost', lambda _: 'host')
 
-  def test_gerrit_change_detail_cache_normalize(self):
-    self._mock_gerrit_changes_for_detail_cache()
-    self.calls = [
-        (('GetChangeDetail', 'host', '2', ['CASE']), 'b'),
-    ]
-    cl = git_cl.Changelist(codereview='gerrit')
-    self.assertEqual(cl._GetChangeDetail(issue=2, options=['CaSe']), 'b')
-    self.assertEqual(cl._GetChangeDetail(issue=2, options=['CASE']), 'b')
-    self.assertEqual(cl._GetChangeDetail(issue='2'), 'b')
-    self.assertEqual(cl._GetChangeDetail(issue=2), 'b')
-
   def test_gerrit_change_detail_cache_simple(self):
     self._mock_gerrit_changes_for_detail_cache()
     self.calls = [
@@ -3132,13 +3121,14 @@ class TestGitCl(TestCase):
         (('GetChangeDetail', 'host', '2', []), 'b'),
         (('GetChangeDetail', 'host', '2', []), 'b2'),
     ]
-    cl = git_cl.Changelist(issue=1, codereview='gerrit')
-    self.assertEqual(cl._GetChangeDetail(), 'a')  # Miss.
-    self.assertEqual(cl._GetChangeDetail(), 'a')
-    self.assertEqual(cl._GetChangeDetail(issue=2), 'b')  # Miss.
-    self.assertEqual(cl._GetChangeDetail(issue=2, no_cache=True), 'b2')  # Miss.
-    self.assertEqual(cl._GetChangeDetail(), 'a')
-    self.assertEqual(cl._GetChangeDetail(issue=2), 'b2')
+    cl1 = git_cl.Changelist(issue=1, codereview='gerrit')
+    cl2 = git_cl.Changelist(issue=2, codereview='gerrit')
+    self.assertEqual(cl1._GetChangeDetail(), 'a')  # Miss.
+    self.assertEqual(cl1._GetChangeDetail(), 'a')
+    self.assertEqual(cl2._GetChangeDetail(), 'b')  # Miss.
+    self.assertEqual(cl2._GetChangeDetail(no_cache=True), 'b2')  # Miss.
+    self.assertEqual(cl1._GetChangeDetail(), 'a')
+    self.assertEqual(cl2._GetChangeDetail(), 'b2')
 
   def test_gerrit_change_detail_cache_options(self):
     self._mock_gerrit_changes_for_detail_cache()