Externs generation: spit out src/-normalized path in generation messages

tools/json_schema_compiler/js_externs_generator_test.py

 #!/usr/bin/env python
 # Copyright 2015 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 idl_schema
 import json_parse
 from js_externs_generator import JsExternsGenerator
 from datetime import datetime
 import model
@@ skipping 71 matching lines @@
   };
 
   interface Events {
     // Fired when we realize it's a trap!
     static void onTrapDetected(Baz baz);
   };
 };
 """
 
 # The output we expect from our fake idl file.
-expected_output = ("""// Copyright %s The Chromium Authors. All rights reserved.
+expected_output = """// Copyright %s 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.
 
 // This file was generated by:
-//   %s.
+//   tools/json_schema_compiler/compiler.py.
 // NOTE: The format of types has changed. 'FooType' is now
 //   'chrome.fakeApi.FooType'.
 // Please run the closure compiler before committing changes.
 // See https://chromium.googlesource.com/chromium/src/+/master/docs/closure_compilation.md
 
 /** @fileoverview Externs generated from namespace: fakeApi */
 
 /**
  * @const
  */
@@ skipping 104 matching lines @@
  * @param {function((!chrome.fakeApi.Qux|undefined)):void=} callback
  * @see https://developer.chrome.com/extensions/fakeApi#method-optionalParam
  */
 chrome.fakeApi.optionalParam = function(callback) {};
 
 /**
  * Fired when we realize it's a trap!
  * @type {!ChromeEvent}
  * @see https://developer.chrome.com/extensions/fakeApi#event-onTrapDetected
  */
-chrome.fakeApi.onTrapDetected;""" % (datetime.now().year, sys.argv[0]))
+chrome.fakeApi.onTrapDetected;""" % datetime.now().year
 
 
 fake_json = """// 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.
 
 [
   {
     "namespace": "fakeJson",
     "description": "Fake JSON API Stuff",
@@ skipping 56 matching lines @@
         "type": "object",
         "properties": {
           "str": { "type": "string" },
           "int": { "type": "number" }
         }
       }
     } ]
   }
 ]"""
 
-json_expected = ("""// Copyright %s The Chromium Authors. All rights reserved.
+json_expected = """// Copyright %s 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.
 
 // This file was generated by:
-//   %s.
+//   tools/json_schema_compiler/compiler.py.
 // NOTE: The format of types has changed. 'FooType' is now
 //   'chrome.fakeJson.FooType'.
 // Please run the closure compiler before committing changes.
 // See https://chromium.googlesource.com/chromium/src/+/master/docs/closure_compilation.md
 
 /** @fileoverview Externs generated from namespace: fakeJson */
 
 /**
  * @const
  */
@@ skipping 22 matching lines @@
  *     description that causes problems!
  * @param {function({
  *   str: string
  * }):void} callback The callback to this heinous method
  * @return {{
  *   str: string,
  *   int: number
  * }}
  * @see https://developer.chrome.com/extensions/fakeJson#method-funcWithInlineObj
  */
-chrome.fakeJson.funcWithInlineObj = function(inlineObj, callback) {};""" %
-    (datetime.now().year, sys.argv[0]))
+chrome.fakeJson.funcWithInlineObj = function(inlineObj, callback) {};""" % (
+    datetime.now().year)
 
 
 class JsExternGeneratorTest(unittest.TestCase):
   def _GetNamespace(self, fake_content, filename, is_idl):
     """Returns a namespace object for the given content"""
     api_def = (idl_schema.Process(fake_content, filename) if is_idl
         else json_parse.Parse(fake_content))
     m = model.Model()
     return m.AddNamespace(api_def[0], filename)
 
   def setUp(self):
     self.maxDiff = None # Lets us see the full diff when inequal.
 
   def testBasic(self):
     namespace = self._GetNamespace(fake_idl, 'fake_api.idl', True)
     self.assertMultiLineEqual(expected_output,
                               JsExternsGenerator().Generate(namespace).Render())
 
   def testJsonWithInlineObjects(self):
     namespace = self._GetNamespace(fake_json, 'fake_api.json', False)
     self.assertMultiLineEqual(json_expected,
                               JsExternsGenerator().Generate(namespace).Render())
 
 
 if __name__ == '__main__':
   unittest.main()