blob: 38afec3962343e9b0887798361e453efa415dd68 [file] [log] [blame]
from __future__ import print_function
import filecmp
import glob
import itertools
import os
import sys
import sysconfig
import tempfile
import unittest
project_dir = os.path.abspath(os.path.join(__file__, '..', '..', '..'))
test_dir = os.getenv("BROTLI_TESTS_PATH")
BRO_ARGS = [os.getenv("BROTLI_WRAPPER")]
# Fallbacks
if test_dir is None:
test_dir = os.path.join(project_dir, 'tests')
if BRO_ARGS[0] is None:
python_exe = sys.executable or 'python'
bro_path = os.path.join(project_dir, 'python', 'bro.py')
BRO_ARGS = [python_exe, bro_path]
# Get the platform/version-specific build folder.
# By default, the distutils build base is in the same location as setup.py.
platform_lib_name = 'lib.{platform}-{version[0]}.{version[1]}'.format(
platform=sysconfig.get_platform(), version=sys.version_info)
build_dir = os.path.join(project_dir, 'bin', platform_lib_name)
# Prepend the build folder to sys.path and the PYTHONPATH environment variable.
if build_dir not in sys.path:
sys.path.insert(0, build_dir)
TEST_ENV = os.environ.copy()
if 'PYTHONPATH' not in TEST_ENV:
TEST_ENV['PYTHONPATH'] = build_dir
else:
TEST_ENV['PYTHONPATH'] = build_dir + os.pathsep + TEST_ENV['PYTHONPATH']
TESTDATA_DIR = os.path.join(test_dir, 'testdata')
TESTDATA_FILES = [
'empty', # Empty file
'10x10y', # Small text
'alice29.txt', # Large text
'random_org_10k.bin', # Small data
'mapsdatazrh', # Large data
'ukkonooa', # Poem
'cp1251-utf16le', # Codepage 1251 table saved in UTF16-LE encoding
'cp852-utf8', # Codepage 852 table saved in UTF8 encoding
]
# Some files might be missing in a lightweight sources pack.
TESTDATA_PATH_CANDIDATES = [
os.path.join(TESTDATA_DIR, f) for f in TESTDATA_FILES
]
TESTDATA_PATHS = [
path for path in TESTDATA_PATH_CANDIDATES if os.path.isfile(path)
]
TESTDATA_PATHS_FOR_DECOMPRESSION = glob.glob(
os.path.join(TESTDATA_DIR, '*.compressed'))
TEMP_DIR = tempfile.mkdtemp()
def get_temp_compressed_name(filename):
return os.path.join(TEMP_DIR, os.path.basename(filename + '.bro'))
def get_temp_uncompressed_name(filename):
return os.path.join(TEMP_DIR, os.path.basename(filename + '.unbro'))
def bind_method_args(method, *args, **kwargs):
return lambda self: method(self, *args, **kwargs)
def generate_test_methods(test_case_class,
for_decompression=False,
variants=None):
# Add test methods for each test data file. This makes identifying problems
# with specific compression scenarios easier.
if for_decompression:
paths = TESTDATA_PATHS_FOR_DECOMPRESSION
else:
paths = TESTDATA_PATHS
opts = []
if variants:
opts_list = []
for k, v in variants.items():
opts_list.append([r for r in itertools.product([k], v)])
for o in itertools.product(*opts_list):
opts_name = '_'.join([str(i) for i in itertools.chain(*o)])
opts_dict = dict(o)
opts.append([opts_name, opts_dict])
else:
opts.append(['', {}])
for method in [m for m in dir(test_case_class) if m.startswith('_test')]:
for testdata in paths:
for (opts_name, opts_dict) in opts:
f = os.path.splitext(os.path.basename(testdata))[0]
name = 'test_{method}_{options}_{file}'.format(
method=method, options=opts_name, file=f)
func = bind_method_args(
getattr(test_case_class, method), testdata, **opts_dict)
setattr(test_case_class, name, func)
class TestCase(unittest.TestCase):
def tearDown(self):
for f in TESTDATA_PATHS:
try:
os.unlink(get_temp_compressed_name(f))
except OSError:
pass
try:
os.unlink(get_temp_uncompressed_name(f))
except OSError:
pass
def assertFilesMatch(self, first, second):
self.assertTrue(
filecmp.cmp(first, second, shallow=False),
'File {} differs from {}'.format(first, second))