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_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_count_all(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")
db.put(r"BD", r"7")
self.assertEqual(db.count_all(), 7)
self.assertEqual(db.count_above(r""), 7)
self.assertEqual(db.count_above(r"A"), 6)
self.assertEqual(db.count_above(r"B"), 3)
self.assertEqual(db.count_above(r"BC"), 1)
self.assertEqual(db.count_above(r"BD"), 0)
self.assertEqual(db.count_above(r"Z"), 0)
self.assertEqual(db.count_below(r""), 0)
self.assertEqual(db.count_below(r"A"), 0)
self.assertEqual(db.count_below(r"B"), 3)
self.assertEqual(db.count_below(r"BD"), 6)
self.assertEqual(db.count_below(r"ZZZZZ"), 7)
self.assertEqual(db.count_between(r"", r"ZZZZZ"), 7)
self.assertEqual(db.count_between(r"", r"A"), 0)
self.assertEqual(db.count_between(r"", r"B"), 3)
self.assertEqual(db.count_between(r"A", r"B"), 2)
self.assertEqual(db.count_between(r"B", r"ZZZZZ"), 3)
self.assertEqual(db.count_between(r"", r""), 0)
self.assertEqual(db.count_between(r"A", r"A"), 0)
self.assertEqual(db.count_between(r"AC", r"A"), 0)
self.assertEqual(db.count_between(r"B", r"A"), 0)
self.assertEqual(db.count_between(r"BD", r"A"), 0)
self.assertEqual(db.count_between(r"ZZZ", r"B"), 0)
db.stop()
