aces_1.0.0/python/aces_ocio/tests/tests_aces_config.py

   1 #!/usr/bin/env python
   2 # -*- coding: utf-8 -*-
   3
   4 """
   5 Defines unit tests for the generated *ACES* configuration.
   6 """
   7
   8 import hashlib
   9 import os
  10 import re
  11 import shutil
  12 import tempfile
  13 import unittest
  14
  15 from aces_ocio.util import files_walker
  16 from aces_ocio.create_aces_config import (
  17     ACES_OCIO_CTL_DIRECTORY_ENVIRON,
  18     createACESConfig)
  19
  20 __author__ = 'ACES Developers'
  21 __copyright__ = 'Copyright (C) 2014 - 2015 - ACES Developers'
  22 __license__ = ''
  23 __maintainer__ = 'ACES Developers'
  24 __email__ = 'aces@oscars.org'
  25 __status__ = 'Production'
  26
  27 __all__ = ['REFERENCE_CONFIG_ROOT_DIRECTORY',
  28            'HASH_TEST_PATTERNS',
  29            'UNHASHABLE_TEST_PATTERNS',
  30            'TestACESConfig']
  31
  32
  33 # TODO: Investigate how the current config has been generated to use it for
  34 # tests.
  35 # REFERENCE_CONFIG_ROOT_DIRECTORY = os.path.abspath(
  36 # os.path.join(os.path.dirname(__file__), '..', '..'))
  37 REFERENCE_CONFIG_ROOT_DIRECTORY = '/colour-science/colour-ramblings/ocio/aces'
  38
  39 HASH_TEST_PATTERNS = ('\.3dl', '\.lut', '\.csp')
  40 UNHASHABLE_TEST_PATTERNS = ('\.icc', '\.ocio')
  41
  42
  43 class TestACESConfig(unittest.TestCase):
  44     """
  45     """
  46
  47     def setUp(self):
  48         """
  49         Initialises common tests attributes.
  50         """
  51
  52         self.__aces_ocio_ctl_directory = os.environ.get(
  53             ACES_OCIO_CTL_DIRECTORY_ENVIRON, None)
  54
  55         assert self.__aces_ocio_ctl_directory is not None, (
  56             'Undefined "{0}" environment variable!'.format(
  57                 ACES_OCIO_CTL_DIRECTORY_ENVIRON))
  58
  59         assert os.path.exists(self.__aces_ocio_ctl_directory) is True, (
  60             '"{0}" directory does not exists!'.format(
  61                 self.__aces_ocio_ctl_directory))
  62
  63         self.maxDiff = None
  64         self.__temporary_directory = tempfile.mkdtemp()
  65
  66     def tearDown(self):
  67         """
  68         Post tests actions.
  69         """
  70
  71         shutil.rmtree(self.__temporary_directory)
  72
  73     @staticmethod
  74     def directory_hashes(directory, filters_in=None, filters_out=None):
  75         """
  76         """
  77
  78         hashes = {}
  79         for path in files_walker(directory,
  80                                  filters_in=filters_in,
  81                                  filters_out=filters_out):
  82             with open(path) as file:
  83                 hash = hashlib.md5(
  84                     re.sub('\s', '', file.read())).hexdigest()
  85             hashes[path.replace(directory, '')] = hash
  86         return hashes
  87
  88     def test_ACES_config(self):
  89         """
  90         """
  91
  92         self.assertTrue(createACESConfig(self.__aces_ocio_ctl_directory,
  93                                          self.__temporary_directory))
  94
  95         reference_hashes = self.directory_hashes(
  96             REFERENCE_CONFIG_ROOT_DIRECTORY,
  97             HASH_TEST_PATTERNS)
  98         test_hashes = self.directory_hashes(
  99             self.__temporary_directory,
 100             HASH_TEST_PATTERNS)
 101
 102         self.assertDictEqual(reference_hashes, test_hashes)
 103
 104         # Checking that unashable files ('.icc', '.ocio') are generated.
 105         unashable = lambda x: (
 106             sorted([file.replace(x, '') for file in
 107                     files_walker(x, UNHASHABLE_TEST_PATTERNS)]))
 108
 109         self.assertListEqual(unashable(REFERENCE_CONFIG_ROOT_DIRECTORY),
 110                              unashable(self.__temporary_directory))
 111
 112
 113 if __name__ == '__main__':
 114     unittest.main()