blob: 01ec89d01bc357df897671ca03b67eac72e6dcb3 [file] [log] [blame]
#!/usr/bin/env python
# Copyright 2011 The Closure Linter Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS-IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
__author__ = 'nnaze@google.com (Nathan Naze)'
import unittest as googletest
from closure_linter.common import tokens
def _CreateDummyToken():
return tokens.Token('foo', None, 1, 1)
def _CreateDummyTokens(count):
dummy_tokens = []
for _ in xrange(count):
dummy_tokens.append(_CreateDummyToken())
return dummy_tokens
def _SetTokensAsNeighbors(neighbor_tokens):
for i in xrange(len(neighbor_tokens)):
prev_index = i - 1
next_index = i + 1
if prev_index >= 0:
neighbor_tokens[i].previous = neighbor_tokens[prev_index]
if next_index < len(neighbor_tokens):
neighbor_tokens[i].next = neighbor_tokens[next_index]
class TokensTest(googletest.TestCase):
def testIsFirstInLine(self):
# First token in file (has no previous).
self.assertTrue(_CreateDummyToken().IsFirstInLine())
a, b = _CreateDummyTokens(2)
_SetTokensAsNeighbors([a, b])
# Tokens on same line
a.line_number = 30
b.line_number = 30
self.assertFalse(b.IsFirstInLine())
# Tokens on different lines
b.line_number = 31
self.assertTrue(b.IsFirstInLine())
def testIsLastInLine(self):
# Last token in file (has no next).
self.assertTrue(_CreateDummyToken().IsLastInLine())
a, b = _CreateDummyTokens(2)
_SetTokensAsNeighbors([a, b])
# Tokens on same line
a.line_number = 30
b.line_number = 30
self.assertFalse(a.IsLastInLine())
b.line_number = 31
self.assertTrue(a.IsLastInLine())
def testIsType(self):
a = tokens.Token('foo', 'fakeType1', 1, 1)
self.assertTrue(a.IsType('fakeType1'))
self.assertFalse(a.IsType('fakeType2'))
def testIsAnyType(self):
a = tokens.Token('foo', 'fakeType1', 1, 1)
self.assertTrue(a.IsAnyType(['fakeType1', 'fakeType2']))
self.assertFalse(a.IsAnyType(['fakeType3', 'fakeType4']))
def testRepr(self):
a = tokens.Token('foo', 'fakeType1', 1, 1)
self.assertEquals('<Token: fakeType1, "foo", None, 1, None>', str(a))
def testIter(self):
dummy_tokens = _CreateDummyTokens(5)
_SetTokensAsNeighbors(dummy_tokens)
a, b, c, d, e = dummy_tokens
i = iter(a)
self.assertListEqual([a, b, c, d, e], list(i))
def testReverseIter(self):
dummy_tokens = _CreateDummyTokens(5)
_SetTokensAsNeighbors(dummy_tokens)
a, b, c, d, e = dummy_tokens
ri = reversed(e)
self.assertListEqual([e, d, c, b, a], list(ri))
if __name__ == '__main__':
googletest.main()