添加 tests

tests

@@ -0,0 +1,18 @@
+# tests/test_model.py
+import joblib
+import pandas as pd
+
+def test_model_prediction():
+    # 加载模型
+    model = joblib.load("../telco_churn_model.pkl")
+    # 构造测试数据
+    test_data = pd.DataFrame({
+        "tenure": [2],
+        "MonthlyCharges": [89.99],
+        "Contract": ["Month-to-month"]
+    })
+    # 测试预测是否正常运行
+    pred = model.predict(test_data)
+    assert pred is not None  # 只要能预测就通过
+
+