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

tools/gypv8sh.py

Index: tools/gypv8sh.py
diff --git a/tools/gypv8sh.py b/tools/gypv8sh.py
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+++ b/tools/gypv8sh.py
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+#!/usr/bin/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.
+#
+# Usage:
+#   python tools/gypv8sh.py -p product_dir path/to/javascript2webui.js
+#   python tools/gypv8sh.py -t # print test_harnesses
+#   python tools/gypv8sh.py -i # print inputs
+#   python tools/gypv8sh.py -o # print outputs
+import 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 set_add(option, opt_str, value, parser, the_set, the_value):
+  the_set.add(the_value)
+
+# 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.
+print_rule_indices = set()
+parser = optparse.OptionParser();
+parser.add_option('-v', '--verbose', action='store_true', dest='verbose')
+parser.add_option('-n', '--impotent', action='store_true', dest='impotent',
+                  help="don't execute; just print (as if verbose)")
+parser.add_option('-p', '--product_dir', action='store', type='string',
+                  dest='product_dir',
+                  help='for gyp to set the <(PRODUCT_DIR) for running v8_shell')
+parser.add_option('-t', '--test_fixture', action='callback', callback=set_add,
+                  callback_args=tuple([print_rule_indices, 0]),
+                  help='print test_fixtures')
+parser.add_option('-i', '--in', action='callback', callback=set_add,
+                  callback_args=tuple([print_rule_indices, 1]),
+                  help='print inputs')
+parser.add_option('-o', '--out', action='callback', callback=set_add,
+                  callback_args=tuple([print_rule_indices, 2]),
+                  help='print outputs')
+(opts, args) = parser.parse_args();
+
+if len(print_rule_indices):
+  for rule in rules:
+    for index in sorted(print_rule_indices):
+      print rule[index],
+    print
+else:
+  if not opts.product_dir:
+    print "Need to supply the -p PRODUCT_DIR."
+    parser.print_help();
+    parser.exit(status=-1);
+  v8_shell = os.path.join(opts.product_dir, 'v8_shell')
+  jsfilename = args[0]
+  for rule in rules:
+    arguments = [jsfilename, rule[0], rule[1], os.path.basename(rule[1])]
+    arguments = "arguments=" + json.dumps(arguments)
+    cmd = [v8_shell, '-e', arguments, jsfilename]
+    if opts.verbose or opts.impotent:
+      print cmd
+    if not opts.impotent:
+      sys.exit(subprocess.call(cmd, stdout=open(rule[2],'w+')))