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# Copyright (C) 2009 Google Inc. All rights reserved.
# Copyright (C) 2013 University of Washington. All rights reserved.
#
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# modification, are permitted provided that the following conditions are
# met:
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# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
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# this software without specific prior written permission.
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"""Unit test for js.py."""
import unittest
from js import JSChecker
class JSTestCase(unittest.TestCase):
"""TestCase for js.py"""
def assertNoError(self, lines):
"""Asserts that the specified lines has no errors."""
self.had_error = False
def error_for_test(line_number, category, confidence, message):
"""Records if an error occurs."""
self.had_error = True
checker = JSChecker('', error_for_test)
checker.check(lines)
self.assertFalse(self.had_error, '%s should not have any errors.' % lines)
def assertError(self, lines, expected_line_number):
"""Asserts that the specified lines has an error."""
self.had_error = False
def error_for_test(line_number, category, confidence, message):
"""Checks if the expected error occurs."""
self.assertEqual(expected_line_number, line_number)
self.assertTrue(category in ['whitespace/tab', 'js/syntax'])
self.had_error = True
checker = JSChecker('', error_for_test)
checker.check(lines)
self.assertTrue(self.had_error, '%s should have an error [whitespace/tab] or [js/syntax].' % lines)
def test_no_error(self):
"""Tests for no error cases."""
self.assertNoError([''])
self.assertNoError(['abc def', 'ggg'])
# Single-quotes within string are OK.
self.assertNoError(['var foo = "''"'])
# Single-quotes within regular expression are OK.
self.assertNoError(["var regex = /[a-z']/"])
def test_error(self):
"""Tests for error cases."""
self.assertError(['\tvar foo = window;\n'], 1)
# Single-quotes are not OK.
self.assertError(["var foo = 'Hello world!;'\n"], 1)
self.assertError(["foo(\"a'b\", 'c');"], 1)
self.assertError(["foo(\"a/'b\", '/c');"], 1)
self.assertError(["foo(/'/, 'c');"], 1)