def test_puts_basic_values(self):
db = Database(self.engine, self.config)
self.assertFalse(db.exists(r"key1"))
db.put(r"key1", r"value1")
self.assertTrue(db.exists(r"key1"))
self.assertEqual(db.get_string(r"key1"), r"value1")
db.stop()
def test_dict_get_item(self):
db = Database(self.engine, self.config)
key = "dict_test"
db[key] = "123"
temp = db[key]
self.assertEqual(temp, "123")
db.stop()
def test_delete_same_element_two_times(self):
db = Database(self.engine, self.config)
db['dict_test'] = "123"
del db['dict_test']
with self.assertRaises(KeyError):
del db['dict_test']
db.stop()
def test_get_same_element_two_times(self):
db = Database(self.engine, self.config)
db['dict_test'] = "123"
val1 = db['dict_test']
val2 = db['dict_test']
self.assertEqual(val1, val2)
db.stop()
def test_each_between(self):
db = Database(self.engine, self.config)
db.put(r"A", r"1")
db.put(r"AB", r"2")
db.put(r"AC", r"3")
db.put(r"B", r"4")
db.put(r"BB", r"5")
db.put(r"BC", r"6")
self.formatter = r"{},{}|"
self.key_and_value = r""
db.get_between(r"A", r"B", self.all_and_each)
self.assertEqual(self.key_and_value, r"AB,2|AC,3|")
db.put(r"记!", r"RR")
self.key_and_value = r""
db.get_string_between(r"B", "\uFFFD", self.all_and_each_strings)
self.assertEqual(self.key_and_value, r"BB,5|BC,6|记!,RR|")
self.key_and_value = r""
db.get_between(r"", r"", self.all_and_each)
db.get_between(r"A", r"A", self.all_and_each)
db.get_between(r"B", r"A", self.all_and_each)
self.assertEqual(self.key_and_value, r"")
db.stop()
def test_uses_get_keys_between(self):
db = Database(self.engine, self.config)
db.put(r"A", r"1")
db.put(r"AB", r"2")
db.put(r"AC", r"3")
db.put(r"B", r"4")
db.put(r"BB", r"5")
db.put(r"BC", r"6")
self.formatter = r"{},"
self.key = r""
db.get_keys_between(r"A", r"B", self.all_and_each)
self.assertEqual(self.key, r"AB,AC,")
db.put(r"记!", r"RR")
self.key = r""
db.get_keys_strings_between(r"B", "\uFFFF", self.all_and_each_strings)
self.assertEqual(self.key, r"BB,BC,记!,")
self.key = r""
db.get_keys_between(r"", r"", self.all_and_each)
db.get_keys_between(r"A", r"A", self.all_and_each)
db.get_keys_between(r"B", r"A", self.all_and_each)
self.assertEqual(self.key, r"")
db.stop()
def test_dict_item_del(self):
db = Database(self.engine, self.config)
db['dict_test'] = "123"
del db['dict_test']
with self.assertRaises(KeyError):
temp = db['dict_test']
db.stop()
def test_puts_utf8_key(self):
db = Database(self.engine, self.config)
val = r"to remember, note, record"
db.put(r"记", val)
self.assertTrue(db.exists(r"记"))
self.assertEqual(db.get_string(r"记"), val)
db.stop()
def test_puts_empty_values(self):
db = Database(self.engine, self.config)
db.put(r"empty", r"")
db.put(r"single-space", r" ")
db.put(r"two-tab", r"\t\t")
self.assertEqual(db.get_string(r"empty"), r"")
self.assertEqual(db.get_string(r"single-space"), r" ")
self.assertEqual(db.get_string(r"two-tab"), r"\t\t")
db.stop()
def test_get_assert_in_callback(self):
def callback (key):
self.assertEqual(memoryview(key).tobytes(), "123".encode('utf-8'))
key = "dict_test"
val = "123"
db = Database(self.engine, self.config)
db[key] = val
db.get(key, callback)
db.stop()
def test_databases_interference(self):
db1 = Database(self.engine, self.config)
db2 = Database(self.engine, self.config)
db1['1'] = "A"
db2['2'] = "B"
with self.assertRaises(KeyError):
temp = db2['1']
db1.stop()
db2.stop()
def test_stop_engine_multiple_times(self):
""" In case of failure, this test cause segmentation fault.
As there is no way to catch segmentation fault in python, just do not
assert anything.
"""
db = Database(self.engine, self.config)
db.stop()
db.stop()
db.stop()
def test_puts_overwriting_existing_value(self):
db = Database(self.engine, self.config)
db.put(r"key1", r"value1")
self.assertEqual(db.get_string(r"key1"), r"value1")
db.put(r"key1", r"value123")
self.assertEqual(db.get_string(r"key1"), r"value123")
db.put(r"key1", r"asdf")
self.assertEqual(db.get_string(r"key1"), r"asdf")
db.stop()
def test_removes_key_and_value(self):
db = Database(self.engine, self.config)
db.put(r"key1", r"value1")
self.assertTrue(db.exists(r"key1"))
self.assertEqual(db.get(r"key1"), r"value1")
self.assertTrue(db.remove(r"key1"))
self.assertFalse(db.remove(r"key1"))
self.assertFalse(db.exists(r"key1"))
self.assertEqual(db.get(r"key1"), None)
db.stop()
def test_get_with_value_indexing(self):
key = "dict_test"
val = "123"
db = Database(self.engine, self.config)
db[key] = val
db.get(key,
lambda v, k=key: self.assertEqual(
(memoryview(v)[0:2]).tobytes(), "12".encode('utf-8')))
db.stop()
def test_get_lambda_in_callback(self):
key = "dict_test"
val = "123"
db = Database(self.engine, self.config)
db[key] = val
db.get(key, lambda v, k=key: self.assertEqual(memoryview(v).tobytes(),
"123".encode('utf-8')))
db.get(key, lambda v, k=key: self.assertEqual(k, "dict_test"))
db.stop()
def test_get_out_of_bound_access_in_callback(self):
key = "dict_test"
val = "123"
db = Database(self.engine, self.config)
db[key] = val
with self.assertRaises(IndexError):
db.get(key, lambda v: memoryview(v).tobytes()[4])
with self.assertRaises(TypeError):
db.get(key, lambda v: memoryview(v)[1])
db.stop()
def test_removes_key_and_value(self):
db = Database(self.engine, self.config)
db.put(r"key1", r"value1")
self.assertTrue(db.exists(r"key1"))
self.assertEqual(db.get_string(r"key1"), r"value1")
self.assertTrue(db.remove(r"key1"))
self.assertFalse(db.remove(r"key1"))
self.assertFalse(db.exists(r"key1"))
with self.assertRaises(KeyError):
db.get_string(r"key1")
db.stop()
def test_puts_empty_key(self):
db = Database(self.engine, self.config)
db.put(r"", r"empty")
db.put(r" ", r"single-space")
db.put(r"\t\t", r"two-tab")
self.assertTrue(db.exists(r""))
self.assertEqual(db.get_string(r""), r"empty")
self.assertTrue(db.exists(r" "))
self.assertEqual(db.get_string(r" "), r"single-space")
self.assertTrue(db.exists(r"\t\t"))
self.assertEqual(db.get_string(r"\t\t"), r"two-tab")
db.stop()
def test_get_AttributeError_in_callback(self):
def callback (key):
self.assertEqual(key.NonexistentMethod(), "123".encode('utf-8'))
key = "dict_test"
val = "123"
db = Database(self.engine, self.config)
db[key] = val
try:
db.get(key, callback)
except Exception as e:
assert type(e).__name__ == "AttributeError"
db.stop()
def test_puts_multiple_values(self):
db = Database(self.engine, self.config)
db.put(r"key1", r"value1")
db.put(r"key2", r"value2")
db.put(r"key3", r"value3")
self.assertTrue(db.exists(r"key1"))
self.assertEqual(db.get_string(r"key1"), r"value1")
self.assertTrue(db.exists(r"key2"))
self.assertEqual(db.get_string(r"key2"), r"value2")
self.assertTrue(db.exists(r"key3"))
self.assertEqual(db.get_string(r"key3"), r"value3")
db.stop()
def test_uses_get_keys(self):
db = Database(self.engine, self.config)
db.put(r"1", r"one")
db.put(r"2", r"two")
self.formatter = r"<{}>,"
self.key = r""
db.get_keys(self.all_and_each)
self.assertEqual(self.key_and_value, r"<1>,<2>,")
db.stop()
def test_blackhole_engine(self):
db = Database(r"blackhole", self.config)
self.assertEqual(db.count_all(), 0)
self.assertFalse(db.exists(r"key1"))
self.assertEqual(db.get(r"key1"), None)
db.put(r"key1", r"value123")
self.assertEqual(db.count_all(), 0)
self.assertFalse(db.exists(r"key1"))
self.assertEqual(db.get(r"key1"), None)
self.assertTrue(db.remove(r"key1"))
self.assertFalse(db.exists(r"key1"))
self.assertEqual(db.get(r"key1"), None)
db.stop()
def test_call_del_inside_callback(self):
def callback(val):
del(val)
# check if buffer protocol object was properly removed
with self.assertRaises(UnboundLocalError):
del(val)
key = "dict_test"
val = "123"
db = Database(self.engine, self.config)
db[key] = val
db.get(key, callback)
# check if key is accessable
self.assertEqual(db[key], val)
db.stop()
def test_engine(engine, value):
global count, path, failures
print("\nTesting " + engine + " engine for " + str(count) +
" keys, value size is " + str(len(value)) + "...")
if os.path.isfile(path):
os.remove(path)
db = Database(
engine, '{"path": \"' + str(path) +
'\", "size": 1073741824, "force_create": 1}')
print("Put (sequential series)")
t1 = time.time()
for i in range(0, count):
db.put(str(i), value)
print(" in " + str(time.time() - t1) + " sec(s)")
print("Get (sequential series)")
failures = 0
t1 = time.time()
for i in range(0, count):
if db.get(str(i)) == None:
failures += 1
print(" in " + str(time.time() - t1) + " sec(s), failures=" +
str(failures))
print("Exists (sequential series)")
failures = 0
t1 = time.time()
for i in range(0, count):
if not db.exists(str(i)):
failures += 1
print(" in " + str(time.time() - t1) + " sec(s), failures=" +
str(failures))
print("All (one pass)")
failures = count
t1 = time.time()
db.get_keys(func)
print(" in " + str(time.time() - t1) + " sec(s), failures=" +
str(failures))
print("Each (one pass)")
failures = count
t1 = time.time()
db.get_all(func)
print(" in " + str(time.time() - t1) + " sec(s), failures=" +
str(failures))
db.stop()
def test_get_copy_to_class_member(self):
class Callback:
def __init__(self):
self.result = None
def __call__(self, key):
self.result = memoryview(key)
callback = Callback()
db = Database(self.engine, self.config)
key = "dict_test"
val = "123"
db[key] = val
db.get(key, callback)
self.assertEqual(callback.result.tobytes(), "123".encode('utf-8'))
db.stop()
def test_get_exception_in_callback(self):
class LocalException(Exception):
pass
def callback(key):
raise LocalException('TestException')
db = Database(self.engine, self.config)
key = "dict_test"
val = "123"
db[key] = val
try:
db.get(key, callback)
except LocalException as e:
db.stop()
self.assertEqual(type(e).__name__ , "LocalException")
db.stop()
def test_blackhole_engine(self):
db = Database(r"blackhole", self.config)
self.assertEqual(db.count_all(), 0)
self.assertFalse(db.exists(r"key1"))
with self.assertRaises(KeyError):
db.get_string(r"key1")
db.put(r"key1", r"value123")
self.assertEqual(db.count_all(), 0)
self.assertFalse(db.exists(r"key1"))
with self.assertRaises(KeyError):
db.get_string(r"key1")
self.assertTrue(db.remove(r"key1"))
self.assertFalse(db.exists(r"key1"))
with self.assertRaises(KeyError):
db.get_string(r"key1")
db.stop()
def test_uses_get_keys_below(self):
db = Database(self.engine, self.config)
db.put(r"A", r"1")
db.put(r"AB", r"2")
db.put(r"AC", r"3")
db.put(r"B", r"4")
db.put(r"BB", r"5")
db.put(r"BC", r"6")
self.formatter = r"{},"
self.key_and_value = r""
db.get_keys_below(r"B", self.all_and_each)
self.assertEqual(self.key_and_value, r"A,AB,AC,")
db.stop()
def test_each_between(self):
db = Database(self.engine, self.config)
db.put(r"A", r"1")
db.put(r"AB", r"2")
db.put(r"AC", r"3")
db.put(r"B", r"4")
db.put(r"BB", r"5")
db.put(r"BC", r"6")
self.formatter = r"{},{}|"
self.key_and_value = r""
db.get_between(r"A", r"B", self.all_and_each)
self.assertEqual(self.key_and_value, r"AB,2|AC,3|")
db.stop()
