[Presubmit] check for single quotes in html properties

chrome/browser/web_dev_style/html_checker_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 html_checker
 from os import path as os_path
 import re
 from sys import path as sys_path
 import test_util
@@ skipping 38 matching lines @@
 
   def testClassesUseDashFormCheckPasses(self):
     lines = [
       ' class="abc" ',
       'class="foo-bar"',
       '<div class="foo-bar" id="classBar"',
     ]
     for line in lines:
       self.ShouldPassCheck(line, self.checker.ClassesUseDashFormCheck)
 
+  def testSingleQuoteCheckFails(self):
+    lines = [
+      """ <a href='classBar'> """,
+      """<a foo$="bar" href$='classBar'>""",
+      """<a foo="bar" less="more" href='classBar' kittens="cats">""",
+      """<a cats href='classBar' dogs>""",
+      """<a cats\n href='classBat\nclassBaz'\n dogs>""",
+    ]
+    for line in lines:
+      self.ShouldFailCheck(line, self.checker.DoNotUseSingleQuotesCheck)
+
+  def testSingleQuoteCheckPasses(self):
+    lines = [
+      """<b id="super-valid">SO VALID!</b>""",
+      """<a text$="i ain't got invalid quotes">i don't</a>""",
+      """<span>[[i18n('blah')]]</span> """,
+      """<a cats href="classBar" dogs>""",
+      """<a cats\n href="classBar"\n dogs>""",
+    ]
+    for line in lines:
+      self.ShouldPassCheck(line, self.checker.DoNotUseSingleQuotesCheck)
+
   def testDoNotCloseSingleTagsCheckFails(self):
     lines = [
       "<input/>",
       ' <input id="a" /> ',
       "<div/>",
       "<br/>",
       "<br />",
     ]
     for line in lines:
       self.ShouldFailCheck(line, self.checker.DoNotCloseSingleTagsCheck)
@@ skipping 92 matching lines @@
       ' my-for="abc" ',
       ' myfor="abc" ',
       " <for",
     ]
     for line in lines:
       self.ShouldPassCheck(line, self.checker.LabelCheck)
 
 
 if __name__ == '__main__':
   unittest.main()