Create test_price_stabilization.py

Author: KOSASIH

src/tests/test_price_stabilization.py

@@ -0,0 +1,19 @@
+import unittest
+from price_stabilization import PriceStabilization
+
+class TestPriceStabilization(unittest.TestCase):
+    def setUp(self):
+        self.ps = PriceStabilization()
+
+    def test_predict_price(self):
+        self.ps.update_price_history(100)
+        self.ps.update_price_history(105)
+        predicted = self.ps.predict_price()
+        self.assertAlmostEqual(predicted, 105, delta=1)
+
+    def test_adjust_supply(self):
+        action = self.ps.adjust_supply(95, 100)
+        self.assertEqual(action, "Increase supply")
+
+if __name__ == '__main__':
+    unittest.main()