diff --git a/pycaret/tests/test_preprocess.py b/pycaret/tests/test_preprocess.py
new file mode 100644
index 000000000..78e9f1204
--- /dev/null
+++ b/pycaret/tests/test_preprocess.py
@@ -0,0 +1,23 @@
+import os, sys
+sys.path.insert(0, os.path.abspath(".."))
+
+import pytest
+import pycaret.datasets
+import pycaret.preprocess
+
+def test():
+    # loading dataset
+    data = pycaret.datasets.get_data("juice")
+    target = "Purchase"
+
+    # preprocess all in one
+    X = pycaret.preprocess.Preprocess_Path_One(train_data=data, target_variable=target, display_types=False)
+
+    # preprocess all in one unsupervised
+    X = pycaret.preprocess.Preprocess_Path_Two(train_data=data, display_types=False)
+
+    assert 1 == 1
+    
+if __name__ == "__main__":
+    test()
+