feat: add new classifier with scaling

Author: solygambas

38-github-actions/app/main.py

@@ -10,7 +10,7 @@
 
 # Open classifier in global scope
 # with open("models/wine.pkl", "rb") as file:
-with open("models/wine-95.pkl", "rb") as file:
+with open("models/wine-95-fixed.pkl", "rb") as file:
     clf = pickle.load(file)
 
 

38-github-actions/app/test_clf.py

@@ -1,5 +1,7 @@
 import pickle
 from main import clf
+from sklearn.pipeline import Pipeline
+from sklearn.preprocessing import StandardScaler
 
 
 def test_accuracy():
@@ -16,3 +18,15 @@ def test_accuracy():
 
     # Accuracy should be over 90%
     assert acc > 0.9
+
+def test_pipeline_and_scaler():
+
+    # Check if clf is an instance of sklearn.pipeline.Pipeline
+    isPipeline = isinstance(clf, Pipeline)
+    assert isPipeline
+
+    if isPipeline:
+        # Check if first step of pipeline is an instance of
+        # sklearn.preprocessing.StandardScaler
+        firstStep = [v for v in clf.named_steps.values()][0]
+        assert isinstance(firstStep, StandardScaler)