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1#!/usr/bin/python
2
3# Copyright 2014 Google Inc.
4#
5# Use of this source code is governed by a BSD-style license that can be
6# found in the LICENSE file.
7
8"""
9Test generate_user_config.py.
10"""
11
12import argparse
13import os
14import shutil
15import sys
16import tempfile
17import test_variables
18import unittest
19import utils
20
21sys.path.append(test_variables.GYP_GEN_DIR)
22
23from generate_user_config import generate_user_config as gen_config
24
25# Name of SkUserConfig file.
26USER_CONFIG_NAME = 'SkUserConfig-h.txt'
27MISSING_FILENAME = 'missing-filename.xxx'
28# Path to unchanging Dummy SkUserConfig file.
29FULL_DUMMY_PATH = os.path.join(os.path.dirname(__file__), 'inputs',
30                               USER_CONFIG_NAME)
31REBASELINE_MSG = ('If you\'ve modified generate_user_config.py, run '
32                  '"generate_user_config_tests.py --rebaseline" to rebaseline')
33
34def generate_dummy_user_config(original_sk_user_config,
35                               require_sk_user_config, target_dir):
36  # Add an arbitrary set of defines
37  defines = [ 'SK_BUILD_FOR_ANDROID',
38              'SK_BUILD_FOR_ANDROID_FRAMEWORK',
39              'SK_SCALAR_IS_FLOAT',
40              'foo',
41              'bar' ]
42  gen_config(original_sk_user_config=original_sk_user_config,
43             require_sk_user_config=require_sk_user_config,
44             target_dir=target_dir, ordered_set=defines)
45
46
47class GenUserConfigTest(unittest.TestCase):
48
49  def test_missing_sk_user_config(self):
50    tmp = tempfile.mkdtemp()
51    original = os.path.join(tmp, MISSING_FILENAME)
52    assert not os.path.exists(original)
53
54
55    # With require_sk_user_config set to True, an AssertionError will be
56    # thrown when original_sk_user_config is missing.
57    with self.assertRaises(AssertionError):
58      ordered_set = [ 'define' ]
59      gen_config(original_sk_user_config=original,
60                 require_sk_user_config=True,
61                 target_dir=tmp, ordered_set=ordered_set)
62
63    # With require_sk_user_config set to False, it is okay for
64    # original_sk_user_config to be missing.
65    generate_dummy_user_config(original_sk_user_config=original,
66                               require_sk_user_config=False, target_dir=tmp)
67    actual_name = os.path.join(tmp, MISSING_FILENAME)
68    utils.compare_to_expectation(actual_name=actual_name,
69                                 expectation_name=MISSING_FILENAME,
70                                 assert_true=self.assertTrue,
71                                 msg=REBASELINE_MSG)
72
73    shutil.rmtree(tmp)
74
75  def test_gen_config(self):
76    tmp = tempfile.mkdtemp()
77    generate_dummy_user_config(FULL_DUMMY_PATH, True, tmp)
78    actual_name = os.path.join(tmp, USER_CONFIG_NAME)
79    utils.compare_to_expectation(actual_name=actual_name,
80                        expectation_name=USER_CONFIG_NAME,
81                        assert_true=self.assertTrue, msg=REBASELINE_MSG)
82    shutil.rmtree(tmp)
83
84
85def main():
86  loader = unittest.TestLoader()
87  suite = loader.loadTestsFromTestCase(GenUserConfigTest)
88  results = unittest.TextTestRunner(verbosity=2).run(suite)
89  print repr(results)
90  if not results.wasSuccessful():
91    raise Exception('failed one or more unittests')
92
93
94def rebaseline():
95  generate_dummy_user_config(FULL_DUMMY_PATH, True, utils.EXPECTATIONS_DIR)
96  generate_dummy_user_config(MISSING_FILENAME, False, utils.EXPECTATIONS_DIR)
97
98if __name__ == "__main__":
99  parser = argparse.ArgumentParser()
100  parser.add_argument('-r', '--rebaseline', help='Rebaseline expectations.',
101                      action='store_true')
102  args = parser.parse_args()
103
104  if args.rebaseline:
105    rebaseline()
106  else:
107    main()
108
109