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#!/usr/bin/env python
# Copyright 2016 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 os
import sys
import unittest
from externs_checker import ExternsChecker
sys.path.append(
os.path.join(os.path.dirname(os.path.abspath(__file__)), '..', '..', '..'))
from PRESUBMIT_test_mocks import MockInputApi, MockOutputApi, MockFile
class ExternsCheckerTest(unittest.TestCase):
API_PAIRS = {'a': '1', 'b': '2', 'c': '3'}
def _runChecks(self, files, exists=lambda f: True):
input_api = MockInputApi()
input_api.os_path.exists = exists
input_api.files = [MockFile(f, '') for f in files]
output_api = MockOutputApi()
checker = ExternsChecker(input_api, output_api, self.API_PAIRS)
return checker.RunChecks()
def testModifiedSourceWithoutModifiedExtern(self):
results = self._runChecks(['b', 'test', 'random'])
self.assertEquals(1, len(results))
self.assertEquals(1, len(results[0].items))
self.assertEquals('b', results[0].items[0])
self.assertEquals(
'To update the externs, run:\n'
' src/ $ python tools/json_schema_compiler/compiler.py b --root=. '
'--generator=externs > 2',
results[0].long_text)
def testModifiedSourceWithModifiedExtern(self):
results = self._runChecks(['b', '2', 'test', 'random'])
self.assertEquals(0, len(results))
def testModifiedMultipleSourcesWithNoModifiedExterns(self):
results = self._runChecks(['b', 'test', 'c', 'random'])
self.assertEquals(1, len(results))
self.assertEquals(2, len(results[0].items))
self.assertTrue('b' in results[0].items)
self.assertTrue('c' in results[0].items)
self.assertEquals(
'To update the externs, run:\n'
' src/ $ python tools/json_schema_compiler/compiler.py <source_file> '
'--root=. --generator=externs > <output_file>',
results[0].long_text)
def testModifiedMultipleSourcesWithOneModifiedExtern(self):
results = self._runChecks(['b', 'test', 'c', 'random', '2'])
self.assertEquals(1, len(results))
self.assertEquals(1, len(results[0].items))
self.assertEquals('c', results[0].items[0])
def testApiFileDoesNotExist(self):
exists = lambda f: f in ['a', 'b', 'c', '1', '2']
with self.assertRaises(OSError) as e:
self._runChecks(['a'], exists)
self.assertEqual('Path Not Found: 3', str(e.exception))
if __name__ == '__main__':
unittest.main()
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