diff --git a/tests/test_diff_motion_detector/background.jpg b/tests/test_diff_motion_detector/background.jpg
new file mode 100644
index 0000000..8d00379
Binary files /dev/null and b/tests/test_diff_motion_detector/background.jpg differ
diff --git a/tests/test_diff_motion_detector/foreground.jpg b/tests/test_diff_motion_detector/foreground.jpg
new file mode 100644
index 0000000..8d00379
Binary files /dev/null and b/tests/test_diff_motion_detector/foreground.jpg differ
diff --git a/tests/test_diff_motion_detector/test.py b/tests/test_diff_motion_detector/test.py
new file mode 100644
index 0000000..e54d806
--- /dev/null
+++ b/tests/test_diff_motion_detector/test.py
@@ -0,0 +1,54 @@
+
+# Generated by CodiumAI
+from deepgaze.deepgaze.motion_detection import DiffMotionDetector
+import cv2
+
+
+import pytest
+
+class TestDiffMotionDetector:
+
+    # Tests that the background image is set successfully
+    def test_set_background_successfully(self):
+        detector = DiffMotionDetector()
+        background_image = cv2.imread('background.jpg')
+        detector.setBackground(background_image)
+        assert detector.getBackground() is not None
+
+    # Tests that a binary image is returned successfully after the detection process
+    def test_return_binary_image_successfully(self):
+        detector = DiffMotionDetector()
+        background_image = cv2.imread('background.jpg')
+        foreground_image = cv2.imread('foreground.jpg')
+        detector.setBackground(background_image)
+        binary_image = detector.returnMask(foreground_image)
+        assert binary_image is not None
+
+    # Tests that a background image is set and a binary image is returned successfully after the detection process
+    def test_set_background_and_return_binary_image_successfully(self):
+        detector = DiffMotionDetector()
+        background_image = cv2.imread('background.jpg')
+        foreground_image = cv2.imread('foreground.jpg')
+        detector.setBackground(background_image)
+        binary_image = detector.returnMask(foreground_image)
+        assert detector.getBackground() is not None and binary_image is not None
+
+    # Tests that setting a None background image returns None
+    def test_set_none_background_image_and_return_none(self):
+        detector = DiffMotionDetector()
+        detector.setBackground(None)
+        assert detector.getBackground() is None
+
+    # Tests that setting a None foreground image returns None
+    def test_set_none_foreground_image_and_return_none(self):
+        detector = DiffMotionDetector()
+        background_image = cv2.imread('background.jpg')
+        detector.setBackground(background_image)
+        binary_image = detector.returnMask(None)
+        assert binary_image is None
+
+    # Tests that setting a None background image returns None after the detection process
+    def test_set_none_background_image_and_return_none_after_detection_process(self):
+        detector = DiffMotionDetector()
+        detector.setBackground(None)
+        assert detector.getBackground() is None
\ No newline at end of file