Support automatic javascript test registry in gtest when creating WebUI tests.

tools/js2webui.py

+#!/usr/bin/env python
+# Copyright (c) 2011 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 script is used by chrome_tests.gypi's js2webui action to maintain the
+argument lists and to generate inlinable tests for webui testing.
+
+Usage:
+  python tools/js2webui.py -p product_dir path/to/javascript2webui.js
+  python tools/js2webui.py -t # print test_harnesses
+  python tools/js2webui.py -i # print inputs
+  python tools/js2webui.py -o # print outputs
+"""
+
+try:
+  import json
+except ImportError:
+  import simplejson as json
+import optparse
+import os
+import subprocess
+import sys
+
+# Please adjust the following to edit or add new javascript webui tests.
+rules = [
+    [
+        'WebUIBrowserTestPass',
+        'test/data/webui/sample_pass.js',
+        'browser/ui/webui/web_ui_browsertest-inl.h',
+    ],
+]
+
+def main ():
+  """Run the program"""

[M-A Ruel, 2011/06/20 16:38:46]

Please remove.

[Sheridan Rawlins, 2011/06/22 06:49:22]

Done.

+  # For options -t, -i, & -o, we print the "column" of the |rules|.  We keep a
+  # set of indices to print in |print_rule_indices| and print them in sorted
+  # order if non-empty.
+  parser = optparse.OptionParser()
+  parser.set_usage(
+      "%prog [-v][-n] --product_dir PRODUCT_DIR -or- "
+      "%prog [-v][-n] (-i|-t|-o)")
+  parser.add_option('-v', '--verbose', action='store_true')
+  parser.add_option('-n', '--impotent', action='store_true',
+                    help="don't execute; just print (as if verbose)")
+  parser.add_option(
+      '-p', '--product_dir',
+      help='for gyp to set the <(PRODUCT_DIR) for running v8_shell')
+  parser.add_option('-t', '--test_fixture', action='store_const', const=0,
+                    dest='print_rule_index', help='print test_fixtures')
+  parser.add_option('-i', '--in', action='store_const', const=1,
+                    dest='print_rule_index', help='print inputs')
+  parser.add_option('-o', '--out', action='store_const', const=2,
+                    dest='print_rule_index', help='print outputs')
+  (opts, args) = parser.parse_args()
+
+  if (opts.print_rule_index != None):

[M-A Ruel, 2011/06/20 16:38:46]

if opts.print_rule_index is not None:

[Sheridan Rawlins, 2011/06/22 06:49:22]

Done.

+    for rule in rules:
+      print rule[opts.print_rule_index]

[M-A Ruel, 2011/06/20 16:38:46]

optioanl: You can add a return 0, so you don't need to indent the remaining on
the function.

[Sheridan Rawlins, 2011/06/22 06:49:22]

Done.

+  else:
+    if not opts.product_dir:
+      parser.error("--product_dir option is required")
+    v8_shell = os.path.join(opts.product_dir, 'v8_shell')
+    for (test_fixture, input_js, output_cc) in rules:
+      cmd = [v8_shell, '--print_json_ast', input_js]
+      if opts.verbose or opts.impotent:
+        print cmd
+      proc = subprocess.Popen(cmd, stdout=subprocess.PIPE)
+      ast = json.load(proc.stdout)
+      if not opts.impotent:
+        sys.stdout = open(output_cc, 'w')
+      print '// GENERATED FILE'
+      print '// ', ' '.join(sys.argv)
+      print '// PLEASE DO NOT HAND EDIT!\n'
+      for declaration in ast[2:]:
+        try:
+          function_literal = declaration[3]
+          function_name = function_literal[1]['name']
+          print 'IN_PROC_BROWSER_TEST_F(%s, %s) {' % (
+              test_fixture, function_name)
+          print '  AddLibrary(FilePath(FILE_PATH_LITERAL("%s")));' % (
+              os.path.basename(input_js))
+          print '  ASSERT_TRUE(RunJavascriptTest("%s"));' % (function_name)
+          print '}\n'
+        except IndexError:
+          if opts.verbose or opts.impotent:
+            print "skipping declaration ", declaration
+
+if __name__ == '__main__':
+ sys.exit(main())