| | import difflib |
| | import glob |
| | import gzip |
| | import os |
| | import tempfile |
| |
|
| | import Cython.Build.Dependencies |
| | import Cython.Utils |
| | from Cython.TestUtils import CythonTest |
| |
|
| |
|
| | class TestCyCache(CythonTest): |
| |
|
| | def setUp(self): |
| | CythonTest.setUp(self) |
| | self.temp_dir = tempfile.mkdtemp( |
| | prefix='cycache-test', |
| | dir='TEST_TMP' if os.path.isdir('TEST_TMP') else None) |
| | self.src_dir = tempfile.mkdtemp(prefix='src', dir=self.temp_dir) |
| | self.cache_dir = tempfile.mkdtemp(prefix='cache', dir=self.temp_dir) |
| |
|
| | def cache_files(self, file_glob): |
| | return glob.glob(os.path.join(self.cache_dir, file_glob)) |
| |
|
| | def fresh_cythonize(self, *args, **kwargs): |
| | Cython.Utils.clear_function_caches() |
| | Cython.Build.Dependencies._dep_tree = None |
| | Cython.Build.Dependencies.cythonize(*args, **kwargs) |
| |
|
| | def test_cycache_switch(self): |
| | content1 = 'value = 1\n' |
| | content2 = 'value = 2\n' |
| | a_pyx = os.path.join(self.src_dir, 'a.pyx') |
| | a_c = a_pyx[:-4] + '.c' |
| |
|
| | open(a_pyx, 'w').write(content1) |
| | self.fresh_cythonize(a_pyx, cache=self.cache_dir) |
| | self.fresh_cythonize(a_pyx, cache=self.cache_dir) |
| | self.assertEqual(1, len(self.cache_files('a.c*'))) |
| | a_contents1 = open(a_c).read() |
| | os.unlink(a_c) |
| |
|
| | open(a_pyx, 'w').write(content2) |
| | self.fresh_cythonize(a_pyx, cache=self.cache_dir) |
| | a_contents2 = open(a_c).read() |
| | os.unlink(a_c) |
| |
|
| | self.assertNotEqual(a_contents1, a_contents2, 'C file not changed!') |
| | self.assertEqual(2, len(self.cache_files('a.c*'))) |
| |
|
| | open(a_pyx, 'w').write(content1) |
| | self.fresh_cythonize(a_pyx, cache=self.cache_dir) |
| | self.assertEqual(2, len(self.cache_files('a.c*'))) |
| | a_contents = open(a_c).read() |
| | self.assertEqual( |
| | a_contents, a_contents1, |
| | msg='\n'.join(list(difflib.unified_diff( |
| | a_contents.split('\n'), a_contents1.split('\n')))[:10])) |
| |
|
| | def test_cycache_uses_cache(self): |
| | a_pyx = os.path.join(self.src_dir, 'a.pyx') |
| | a_c = a_pyx[:-4] + '.c' |
| | open(a_pyx, 'w').write('pass') |
| | self.fresh_cythonize(a_pyx, cache=self.cache_dir) |
| | a_cache = os.path.join(self.cache_dir, os.listdir(self.cache_dir)[0]) |
| | gzip.GzipFile(a_cache, 'wb').write('fake stuff'.encode('ascii')) |
| | os.unlink(a_c) |
| | self.fresh_cythonize(a_pyx, cache=self.cache_dir) |
| | a_contents = open(a_c).read() |
| | self.assertEqual(a_contents, 'fake stuff', |
| | 'Unexpected contents: %s...' % a_contents[:100]) |
| |
|
| | def test_multi_file_output(self): |
| | a_pyx = os.path.join(self.src_dir, 'a.pyx') |
| | a_c = a_pyx[:-4] + '.c' |
| | a_h = a_pyx[:-4] + '.h' |
| | a_api_h = a_pyx[:-4] + '_api.h' |
| | open(a_pyx, 'w').write('cdef public api int foo(int x): return x\n') |
| | self.fresh_cythonize(a_pyx, cache=self.cache_dir) |
| | expected = [a_c, a_h, a_api_h] |
| | for output in expected: |
| | self.assertTrue(os.path.exists(output), output) |
| | os.unlink(output) |
| | self.fresh_cythonize(a_pyx, cache=self.cache_dir) |
| | for output in expected: |
| | self.assertTrue(os.path.exists(output), output) |
| |
|
| | def test_options_invalidation(self): |
| | hash_pyx = os.path.join(self.src_dir, 'options.pyx') |
| | hash_c = hash_pyx[:-len('.pyx')] + '.c' |
| |
|
| | open(hash_pyx, 'w').write('pass') |
| | self.fresh_cythonize(hash_pyx, cache=self.cache_dir, cplus=False) |
| | self.assertEqual(1, len(self.cache_files('options.c*'))) |
| |
|
| | os.unlink(hash_c) |
| | self.fresh_cythonize(hash_pyx, cache=self.cache_dir, cplus=True) |
| | self.assertEqual(2, len(self.cache_files('options.c*'))) |
| |
|
| | os.unlink(hash_c) |
| | self.fresh_cythonize(hash_pyx, cache=self.cache_dir, cplus=False, show_version=False) |
| | self.assertEqual(2, len(self.cache_files('options.c*'))) |
| |
|
| | os.unlink(hash_c) |
| | self.fresh_cythonize(hash_pyx, cache=self.cache_dir, cplus=False, show_version=True) |
| | self.assertEqual(2, len(self.cache_files('options.c*'))) |
| |
|
