def test_strip_comments(self):
self.assertEquals(
'A ', strip_js_comments.strip_js_comments('A // foo'))
self.assertEquals(
'A bar', strip_js_comments.strip_js_comments('A // foo\nbar'))
self.assertEquals(
'A b', strip_js_comments.strip_js_comments('A /* foo */ b'))
self.assertEquals(
'A b', strip_js_comments.strip_js_comments('A /* foo\n */ b'))
def test_Parse_with_multiline_comment_before(self):
# There can be long comments before the tvcm.require lines.
text = (
"// Copyright (c) 2012 The Chromium Authors. All rights reserved.\n"
"// Use of this source code is governed by a BSD-style license that"
" can be\n"
"// found in the LICENSE file.\n\n"
"'use strict';\n\n"
"/**\n"
" * @fileoverview TimelineView visualizes TRACE_EVENT events using\n"
" * the tracing.TimelineTrackView component and adds in selection\n"
" * summary and control buttons.\n"
" */\n"
"tvcm.requireStylesheet('timeline_view')\n"
"tvcm.require('timeline_track_view');\n"
"tvcm.require('timeline_analysis');\n"
"tvcm.require('overlay');\n"
"tvcm.require('trace_event_importer');\n"
"tvcm.require('linux_perf_importer');\n"
"tvcm.exportsTo('tracing', function() {\n")
# Gross hack. We should separate parsing from the module object.
stripped_text = strip_js_comments.strip_js_comments(text)
deps = js_module.Parse('module_name', stripped_text)
self.assertEquals(['timeline_view'], deps.style_sheet_names)
self.assertEquals(['timeline_track_view',
'timeline_analysis',
'overlay',
'trace_event_importer',
'linux_perf_importer'], deps.dependent_module_names)
def test_Parse_dependency_with_dots_is_okay(self):
# Module names can contain dots.
text = "tvcm.require('foo.dependency1')"
# Gross hack. We should separate parsing from the module object.
stripped_text = strip_js_comments.strip_js_comments(text)
deps = js_module.Parse('module_name', stripped_text)
self.assertEquals([], deps.style_sheet_names)
self.assertEquals(['foo.dependency1'],
deps.dependent_module_names)
def test_Parse_empty_definition(self):
# If there are no tvcm.require statements, the lists of resource names
# for the module are all empty.
text = "// blahblahblah\n'use strict';"
# Gross hack. We should separate parsing from the module object.
stripped_text = strip_js_comments.strip_js_comments(text)
deps = js_module.Parse('module_name', stripped_text)
self.assertEquals([], deps.style_sheet_names)
self.assertEquals([], deps.dependent_module_names)
def Parse(self):
stripped_text = strip_js_comments.strip_js_comments(self.contents)
if self.name != 'tvcm':
if not IsJSModule(stripped_text):
raise module.DepsException('%s is not a JS Module' % self.name)
ValidateUsesStrictMode(self.name, stripped_text)
if self.name.endswith('_test'):
ValidateTestSuiteDefinition(self.name, stripped_text)
self.dependency_metadata = Parse(self.name, stripped_text)
def test_Parse_with_commented_out_dependency(self):
# Commented-out tvcm.require statements don't count.
text = (
"// blahblahblah\n"
"'use strict';\n"
"tvcm.require('dependency1');\n"
"//tvcm.require('dependency2');\n")
# Gross hack. We should separate parsing from the module object.
stripped_text = strip_js_comments.strip_js_comments(text)
deps = js_module.Parse('module_name', stripped_text)
self.assertEquals([], deps.style_sheet_names)
self.assertEquals(['dependency1'], deps.dependent_module_names)
def test_Parse_missing_semicolons(self):
# Semicolons can be omitted after tvcm.require statements.
text = (
"// blahblahblah\n"
"'use strict';\n"
"tvcm.require('dependency1')\n"
"tvcm.require('dependency2');\n"
"tvcm.requireStylesheet('myStylesheet')\n")
# Gross hack. We should separate parsing from the module object.
stripped_text = strip_js_comments.strip_js_comments(text)
deps = js_module.Parse('module_name', stripped_text)
self.assertEquals(['myStylesheet'], deps.style_sheet_names)
self.assertEquals(['dependency1', 'dependency2'],
deps.dependent_module_names)
def test_Parse_with_deps_and_stylesheet_swapped(self):
# The dependencies can be specified in different orders.
text = (
"// blahblahblah\n"
"'use strict';\n"
"tvcm.require('dependency1');\n"
"tvcm.requireStylesheet('myStylesheet');\n"
"tvcm.require('dependency2');\n")
# Gross hack. We should separate parsing from the module object.
stripped_text = strip_js_comments.strip_js_comments(text)
deps = js_module.Parse('module_name', stripped_text)
self.assertEquals(['myStylesheet'], deps.style_sheet_names)
self.assertEquals(['dependency1', 'dependency2'],
deps.dependent_module_names)
def test_Parse_populates_resource_name_lists(self):
# Dependencies to resources can be specified in a my_module "definition",
# and lists of resource names for the my_module are populated correctly.
text = (
"// blahblahblah\n"
"'use strict';\n"
"tvcm.require('dependency1');\n"
"tvcm.require('dependency2');\n"
"tvcm.requireStylesheet('myStylesheet');\n"
"tvcm.requireTemplate('myTemplate');\n")
stripped_text = strip_js_comments.strip_js_comments(text)
deps = js_module.Parse('module_name', stripped_text)
self.assertEquals(['myStylesheet'], deps.style_sheet_names)
self.assertEquals(['myTemplate'], deps.html_template_names)
self.assertEquals(['dependency1', 'dependency2'],
deps.dependent_module_names)
def IsJSModule(text, text_is_stripped=True):
if text_is_stripped:
stripped_text = text
else:
stripped_text = strip_js_comments.strip_js_comments(text)
if re.search("""tvcm\s*\.\s*exportTo""",
stripped_text, re.DOTALL):
return True
if re.search("""tvcm\s*\.\s*require""",
stripped_text, re.DOTALL):
return True
if re.search("""tvcm\s*\.\s*unittest\s*\.\s*testSuite\((["'])(.+?)\\1""",
stripped_text, re.DOTALL):
return True
return False
def test_Parse_with_definition_in_comments(self):
# Statements inside multi-line comments are ignored.
text = (
"// SomeComment\n"
"/*\n"
" * All subclasses should depend on linux_perfParser, e.g.\n"
" *\n"
" * tvcm.require('linux_perfParser');\n"
" * tvcm.exportTo('tracing', function() { });\n"
" *\n"
" */\n"
"'use strict';\n"
"tvcm.require('dependency1');\n"
"tvcm.require('dependency2');\n")
# Gross hack. We should separate parsing from the module object.
stripped_text = strip_js_comments.strip_js_comments(text)
deps = js_module.Parse('module_name', stripped_text)
self.assertEquals([], deps.style_sheet_names)
self.assertEquals(['dependency1', 'dependency2'],
deps.dependent_module_names)
def test_ValidateUsesStrictMode_catches_missing_strict_mode(self):
text = "// blahblahblah\n\ntvcm.require('dependency1');"
stripped_text = strip_js_comments.strip_js_comments(text)
self.assertRaises(
lambda: js_module.ValidateUsesStrictMode('module', stripped_text))
def test_ValidateUsesStrictModeOneLiner(self):
text = "'use strict'; tvcm.require('dependency1');"
stripped_text = strip_js_comments.strip_js_comments(text)
self.assertIsNone(js_module.ValidateUsesStrictMode('module', stripped_text))
def test_ValidateUsesStrictMode_returns_true(self):
text = "// blahblahblah\n\n'use strict';\n\ntvcm.require('dependency1');"
stripped_text = strip_js_comments.strip_js_comments(text)
self.assertIsNone(js_module.ValidateUsesStrictMode('module', stripped_text))
