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# -*- coding: utf-8 -*-
"""Shared test case."""
from __future__ import unicode_literals
import os
import unittest
# The path to top of the dfWinReg source tree.
PROJECT_PATH = os.path.abspath(os.path.join(os.path.dirname(__file__), '..'))
# The paths below are all derived from the project path directory.
# They are enumerated explicitly here so that they can be overwritten for
# compatibility with different build systems.
TEST_DATA_PATH = os.path.join(PROJECT_PATH, 'test_data')
class BaseTestCase(unittest.TestCase):
"""The base test case."""
# Show full diff results, part of TestCase so does not follow our naming
# conventions.
maxDiff = None
def _assertSubFileEntries(self, file_entry, expected_sub_file_entry_names):
"""Asserts that sub file entries have match the expected names.
Args:
file_entry (FileEntry): file entry.
expected_sub_file_entry_names (list[str]): expected sub file entry names.
"""
self.assertEqual(
file_entry.number_of_sub_file_entries,
len(expected_sub_file_entry_names))
sub_file_entry_names = []
for sub_file_entry in file_entry.sub_file_entries:
sub_file_entry_names.append(sub_file_entry.name)
self.assertEqual(
sorted(sub_file_entry_names), sorted(expected_sub_file_entry_names))
def _GetTestFilePath(self, path_segments):
"""Retrieves the path of a test file in the test data directory.
Args:
path_segments (list[str]): path segments inside the test data directory.
Returns:
str: path of the test file.
"""
# Note that we need to pass the individual path segments to os.path.join
# and not a list.
return os.path.join(TEST_DATA_PATH, *path_segments)
def _SkipIfPathNotExists(self, path):
"""Skips the test if the path does not exist.
Args:
path (str): path of a test file.
Raises:
SkipTest: if the path does not exist and the test should be skipped.
"""
if not os.path.exists(path):
filename = os.path.basename(path)
raise unittest.SkipTest('missing test file: {0:s}'.format(filename))
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