def test_strip_comments(self):
self.assertEquals('A ', strip_js_comments.StripJSComments('A // foo'))
self.assertEquals('A bar',
strip_js_comments.StripJSComments('A // foo\nbar'))
self.assertEquals('A b',
strip_js_comments.StripJSComments('A /* foo */ b'))
self.assertEquals('A b',
strip_js_comments.StripJSComments('A /* foo\n */ b'))
def _FirstStatement(contents):
"""Extracts the first statement in some JS source code."""
stripped_contents = strip_js_comments.StripJSComments(contents).strip()
matches = re.match('^(.*?);', stripped_contents, re.DOTALL)
if not matches:
return ''
return matches.group(1).strip()
def GetStrippedJSForFilename(self, filename, early_out_if_no_py_vulcanize):
if filename in self.stripped_js_by_filename:
return self.stripped_js_by_filename[filename]
with open(filename, 'r') as f:
contents = f.read(4096)
if early_out_if_no_py_vulcanize and ('py_vulcanize' not in contents):
return None
s = strip_js_comments.StripJSComments(contents)
self.stripped_js_by_filename[filename] = s
return s
def stripped_contents(self):
if not self._stripped_contents:
self._stripped_contents = strip_js_comments.StripJSComments(
self.contents)
return self._stripped_contents
def test_ValidateUsesStrictMode_catches_missing_strict_mode(self):
text = "// blahblahblah\n\npy_vulcanize.require('dependency1');"
stripped_text = strip_js_comments.StripJSComments(text)
self.assertRaises(
lambda: js_utils.ValidateUsesStrictMode('module', stripped_text))
def test_ValidateUsesStrictModeOneLiner(self):
text = "'use strict'; py_vulcanize.require('dependency1');"
stripped_text = strip_js_comments.StripJSComments(text)
self.assertIsNone(
js_utils.ValidateUsesStrictMode('module', stripped_text))
def test_ValidateUsesStrictMode_returns_true(self):
text = "// blahblahblah\n\n'use strict';\n\npy_vulcanize.require('dependency1');"
stripped_text = strip_js_comments.StripJSComments(text)
self.assertIsNone(
js_utils.ValidateUsesStrictMode('module', stripped_text))