blob: 290091f208c0a58ac3c9cd8521fab50f76bf6112 [file] [log] [blame]
# 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 unittest
from catapult_build import js_checks
class JsChecksTest(unittest.TestCase):
def testCheckStrictModeReturnsNoErrorsWhenAllScriptElementsAreStrict(self):
contents = """
<script> 'use strict'; var a = 1 + 1;
</script>
<br>
<script>
'use strict';
var b = 2 + 2;
</script>
"""
self.assertEqual(
[], js_checks.CheckStrictMode(contents, is_html_file=True))
def testCheckStrictModeReturnsNoErrorsWhenThereAreNoScriptTags(self):
contents = """
<div></div>
"""
self.assertEqual(
[], js_checks.CheckStrictMode(contents, is_html_file=True))
def testCheckStrictModeReturnsNoErrorsWhenJSFileIsStrict(self):
contents = """
'use strict';
var a = 1 + 1;
var b = 2 + 2;
"""
self.assertEqual(
[], js_checks.CheckStrictMode(contents, is_html_file=False))
def testCheckStrictModeWhenThereIsACommentAboveTheDeclaration(self):
contents = """
// This is a comment at the top
/* another comment which
spans two lines */
'use strict';
var a = 1 + 1;
var b = 2 + 2;
"""
self.assertEqual(
[], js_checks.CheckStrictMode(contents, is_html_file=False))
def testCheckStrictModeDoesntCheckExternalScriptElements(self):
contents = """
<script src="external.js"></script>
"""
self.assertEqual(
[], js_checks.CheckStrictMode(contents, is_html_file=True))
def testCheckStrictModeReturnsAnErrorWhenOneScriptElementIsNotStrict(self):
contents = """
<script> 'use strict'; var a = 1 + 1;
</script>
<br>
<script>
var b = 2 + 2;
</script>
"""
self.assertEqual(
1, len(js_checks.CheckStrictMode(contents, is_html_file=True)))
def testCheckStrictModeReturnsAnErrorWhenJSFileIsNonStrict(self):
contents = """
var a = 1 + 1;
var b = 2 + 2;
"""
self.assertEqual(
1, len(js_checks.CheckStrictMode(contents, is_html_file=False)))