1er

backend/app/tests/test_pricing.py

@@ -0,0 +1,13 @@
+from backend.app.services.pricing import price_trend
+
+
+def test_price_trend_up():
+    assert price_trend([100, 200]) == "up"
+
+
+def test_price_trend_stable():
+    assert price_trend([100, 100]) == "stable"
+
+
+def test_price_trend_down():
+    assert price_trend([300, 200]) == "down"