Move grit from DEPS into src.

tools/grit/grit/util_unittest.py

Index: tools/grit/grit/util_unittest.py
diff --git a/tools/grit/grit/util_unittest.py b/tools/grit/grit/util_unittest.py
new file mode 100755
index 0000000000000000000000000000000000000000..03f8cfef9931bb56880fccd16fd3fea507dfe05c
--- /dev/null
+++ b/tools/grit/grit/util_unittest.py
@@ -0,0 +1,119 @@
+#!/usr/bin/env python
+# Copyright (c) 2012 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.
+
+'''Unit test that checks some of util functions.
+'''
+
+import os
+import sys
+if __name__ == '__main__':
+  sys.path.append(os.path.join(os.path.dirname(__file__), '..'))
+
+import unittest
+
+from grit import util
+
+
+class UtilUnittest(unittest.TestCase):
+  ''' Tests functions from util
+  '''
+
+  def testNewClassInstance(self):
+    # Test short class name with no fully qualified package name
+    # Should fail, it is not supported by the function now (as documented)
+    cls = util.NewClassInstance('grit.util.TestClassToLoad',
+                                TestBaseClassToLoad)
+    self.failUnless(cls == None)
+
+    # Test non existent class name
+    cls = util.NewClassInstance('grit.util_unittest.NotExistingClass',
+                                TestBaseClassToLoad)
+    self.failUnless(cls == None)
+
+    # Test valid class name and valid base class
+    cls = util.NewClassInstance('grit.util_unittest.TestClassToLoad',
+                                TestBaseClassToLoad)
+    self.failUnless(isinstance(cls, TestBaseClassToLoad))
+
+    # Test valid class name with wrong hierarchy
+    cls = util.NewClassInstance('grit.util_unittest.TestClassNoBase',
+                                TestBaseClassToLoad)
+    self.failUnless(cls == None)
+
+  def testCanonicalLanguage(self):
+    self.failUnless(util.CanonicalLanguage('en') == 'en')
+    self.failUnless(util.CanonicalLanguage('pt_br') == 'pt-BR')
+    self.failUnless(util.CanonicalLanguage('pt-br') == 'pt-BR')
+    self.failUnless(util.CanonicalLanguage('pt-BR') == 'pt-BR')
+    self.failUnless(util.CanonicalLanguage('pt/br') == 'pt-BR')
+    self.failUnless(util.CanonicalLanguage('pt/BR') == 'pt-BR')
+    self.failUnless(util.CanonicalLanguage('no_no_bokmal') == 'no-NO-BOKMAL')
+
+  def testUnescapeHtml(self):
+    self.failUnless(util.UnescapeHtml('ϲ') == unichr(1010))
+    self.failUnless(util.UnescapeHtml('ꯍ') == unichr(43981))
+
+  def testRelativePath(self):
+    """ Verify that MakeRelativePath works in some tricky cases."""
+
+    def TestRelativePathCombinations(base_path, other_path, expected_result):
+      """ Verify that the relative path function works for
+      the given paths regardless of whether or not they end with
+      a trailing slash."""
+      for path1 in [base_path, base_path + os.path.sep]:
+        for path2 in [other_path, other_path + os.path.sep]:
+          result = util.MakeRelativePath(path1, path2)
+          self.failUnless(result == expected_result)
+
+    # set-up variables
+    root_dir = 'c:%sa' % os.path.sep
+    result1 = '..%sabc' % os.path.sep
+    path1 = root_dir + 'bc'
+    result2 = 'bc'
+    path2 = '%s%s%s' % (root_dir, os.path.sep, result2)
+    # run the tests
+    TestRelativePathCombinations(root_dir, path1, result1)
+    TestRelativePathCombinations(root_dir, path2, result2)
+
+  def testReadFile(self):
+    def Test(data, encoding, expected_result):
+      with open('testfile', 'wb') as f:
+        f.write(data)
+      if util.ReadFile('testfile', encoding) != expected_result:
+        print (util.ReadFile('testfile', encoding), expected_result)
+      self.failUnless(util.ReadFile('testfile', encoding) == expected_result)
+
+    test_std_newline = '\xEF\xBB\xBFabc\ndef'  # EF BB BF is UTF-8 BOM
+    newlines = ['\n', '\r\n', '\r']
+
+    with util.TempDir({}) as tmp_dir:
+      with tmp_dir.AsCurrentDir():
+        for newline in newlines:
+          test = test_std_newline.replace('\n', newline)
+          Test(test, util.BINARY, test)
+          # RAW_TEXT uses universal newline mode
+          Test(test, util.RAW_TEXT, test_std_newline)
+          # utf-8 doesn't strip BOM
+          Test(test, 'utf-8', test_std_newline.decode('utf-8'))
+          # utf-8-sig strips BOM
+          Test(test, 'utf-8-sig', test_std_newline.decode('utf-8')[1:])
+          # test another encoding
+          Test(test, 'cp1252', test_std_newline.decode('cp1252'))
+        self.assertRaises(UnicodeDecodeError, Test, '\x80', 'utf-8', None)
+
+
+class TestBaseClassToLoad(object):
+  pass
+
+class TestClassToLoad(TestBaseClassToLoad):
+  pass
+
+class TestClassNoBase(object):
+  pass
+
+
+if __name__ == '__main__':
+  unittest.main()
+