include filename in LUCI config validation

Fixed: 1254615
Change-Id: Ic6d5350c7a89a597c1126ec05235a3e63eb2ad09
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/3312231
Auto-Submit: Takuto Ikuta <tikuta@chromium.org>
Commit-Queue: Anthony Polito <apolito@google.com>
Reviewed-by: Anthony Polito <apolito@google.com>

presubmit_canned_checks.py

@@ -1739,7 +1739,9 @@ def CheckChangedLUCIConfigs(input_api, output_api):
         out_f = output_api.PresubmitError
       else:
         out_f = output_api.PresubmitNotifyResult
-      outputs.append(out_f('Config validation: %s' % msg['text']))
+      outputs.append(
+          out_f('Config validation for %s: %s' % ([str(obj['path'])
+                                                   for obj in f], msg['text'])))
   return outputs
 
 

tests/presubmit_unittest.py

@@ -2019,6 +2019,8 @@ class CannedChecksUnittest(PresubmitTestsBase):
     results = presubmit_canned_checks.CheckChangedLUCIConfigs(
         input_api, presubmit.OutputApi)
     self.assertEqual(len(results), 1)
+    self.assertEqual(results[0].json_format()['message'],
+                     "Config validation for ['foo.cfg', 'bar.cfg']: deadbeef")
 
   def testCannedCheckChangeHasNoTabs(self):
     self.ContentTest(presubmit_canned_checks.CheckChangeHasNoTabs,