def test_file_store_load(self):
with TempDir() as cache_dir, TempDir() as d:
cache = Directory(path=cache_dir)
foo_file = os.path.join(d, 'foo_file')
bar_file = os.path.join(d, 'bar_file')
with open(foo_file, 'w') as f:
f.write('foo')
with open(bar_file, 'w') as f:
f.write('bar')
self.assertFalse(os.listdir(cache_dir))
cache.store_file(foo_file, 'foo_key')
cache.store_file(bar_file, 'bar_key')
self.assertTrue(os.listdir(cache_dir))
os.remove(foo_file)
os.remove(bar_file)
cache.load_file('foo_key', foo_file)
cache.load_file('bar_key', bar_file)
with open(foo_file, 'r') as f:
self.assertEqual(f.read(), 'foo')
with open(bar_file, 'r') as f:
self.assertEqual(f.read(), 'bar')
def test_directory_store_load(self):
with TempDir() as cache_dir, TempDir() as d:
cache = Directory(path=cache_dir)
foo_file = os.path.join(d, 'foo_file')
bar_file = os.path.join(d, 'bar_file')
with open(foo_file, 'w') as f:
f.write('foo')
with open(bar_file, 'w') as f:
f.write('bar')
self.assertFalse(os.listdir(cache_dir))
cache.store_directory(d, 'foo_key')
self.assertTrue(os.listdir(cache_dir))
shutil.rmtree(d)
cache.load_directory('foo_key', d)
with open(foo_file, 'r') as f:
self.assertEqual(f.read(), 'foo')
with open(bar_file, 'r') as f:
self.assertEqual(f.read(), 'bar')
def try_cache_key_lock(cache_dir, key):
cache = Directory(path=cache_dir)
try:
cache.lock_key(key, timeout=0)
cache.unlock_key(key)
except:
sys.exit(1)
sys.exit(0)
def test_key_exists(self):
with TempDir() as cache_dir, TempDir() as d:
cache = Directory(path=cache_dir)
foo_file = os.path.join(d, 'foo_file')
with open(foo_file, 'w') as f:
f.write('foo')
key = 'foo_key'
self.assertFalse(cache.exists(key))
cache.store_file(foo_file, key)
self.assertTrue(cache.exists(key))
def test_key_lock_creates(self):
with TempDir() as cache_dir, TempDir() as d:
cache = Directory(path=cache_dir)
key = 'foo_key'
self.assertFalse(cache.exists(key))
with cache.lease(key, create=True):
self.assertTrue(cache.exists(key))
self.assertTrue(cache.exists(key))
self.assertTrue(os.listdir(cache_dir))
def test_key_lock_unlock(self):
with TempDir() as cache_dir, TempDir() as d:
cache = Directory(path=cache_dir)
foo_file = os.path.join(d, 'foo_file')
with open(foo_file, 'w') as f:
f.write('foo')
key = 'foo_key'
cache.store_file(foo_file, key)
self.assertTrue(self.try_lock_from_another_process(cache_dir, key))
with cache.lease(key):
self.assertFalse(self.try_lock_from_another_process(cache_dir, key))
self.assertTrue(self.try_lock_from_another_process(cache_dir, key))
def test_lease_file(self):
with TempDir() as cache_dir:
cache = Directory(path=cache_dir)
key = 'foo'
self.assertFalse(cache.exists(key))
with cache.lease_file(key, create=True) as path:
self.assertTrue(cache.exists(key))
self.assertTrue(os.path.exists(path))
with open(path, 'r') as f:
self.assertNotEqual(f.read(), key)
with open(path, 'w') as f:
f.write(key)
self.assertTrue(cache.exists(key))
with cache.lease_file(key) as path:
with open(path, 'r') as f:
self.assertEqual(f.read(), key)
def test_load_raise_error_on_invalid_key(self):
with TempDir() as cache_dir, TempDir() as d:
cache = Directory(path=cache_dir)
destination = os.path.join(d, 'build_directory')
self.assertRaises(KeyNotFound, lambda: cache.load_file('key', destination))
def test_store_raise_error_on_invalid_path(self):
with TempDir() as cache_dir, TempDir() as d:
cache = Directory(path=cache_dir)
not_file = os.path.join(d, 'doesnt_exist')
self.assertRaises(SourceNotFound, lambda: cache.store_file(not_file, 'key'))
def test_raises_with_key_lock_unlock_on_invalid_path(self):
with TempDir() as cache_dir:
cache = Directory(path=cache_dir)
self.assertRaises(KeyNotFound, lambda: cache.lock_key('doesntexist'))
self.assertRaises(KeyNotFound, lambda: cache.unlock_key('doesntexist'))