diff --git a/tests.py b/tests.py
new file mode 100644
index 0000000..0768e89
--- /dev/null
+++ b/tests.py
@@ -0,0 +1,41 @@
+from unittest import TestCase, main
+import pickledb
+
+class TestKeyMethods(TestCase):
+    def setUp(self):
+        self.db = pickledb.load("test.db", False)
+
+    def test_set_string(self):
+        self.db.set("key", "string")
+        value = self.db.get("key")
+        self.assertEqual(value, "string")
+
+    def test_set_int(self):
+        self.db.set("key", 1)
+        value = self.db.get("key")
+        self.assertEqual(value, 1)
+
+    def test_set_double(self):
+        self.db.set("key", 1.0)
+        value = self.db.get("key")
+        self.assertEqual(value, 1.0)
+
+    def test_set_bool(self):
+        self.db.set("key", True)
+        value = self.db.get("key")
+        self.assertEqual(value, True)
+
+    def test_getall(self):
+        self.db.set("key1", "value1")
+        self.db.set("key2", "value2")
+        self.db.set("key3", "value3")
+        for k in ["key1", "key2", "key3"]:
+            self.assertTrue(k in self.db.getall())
+
+    def test_rem(self):
+        self.db.set("key", "value")
+        self.db.rem("key")
+        self.assertTrue("key" not in self.db.getall())
+
+if __name__ == "__main__":
+    main()