diff --git a/.gitignore b/.gitignore
index e6e38132f..0e34eed34 100644
--- a/.gitignore
+++ b/.gitignore
@@ -17,3 +17,4 @@
 # for QtCreator:
 CMakeLists.txt.user*
 xcode/
+/Dockerfile
diff --git a/python/gtsam_unstable/tests/test_ProjectionFactorRollingShutter.py b/python/gtsam_unstable/tests/test_ProjectionFactorRollingShutter.py
new file mode 100644
index 000000000..23a9d0831
--- /dev/null
+++ b/python/gtsam_unstable/tests/test_ProjectionFactorRollingShutter.py
@@ -0,0 +1,59 @@
+"""
+GTSAM Copyright 2010-2019, Georgia Tech Research Corporation,
+Atlanta, Georgia 30332-0415
+All Rights Reserved
+
+See LICENSE for the license information
+
+ProjectionFactorRollingShutter unit tests.
+Author: Yotam Stern
+"""
+import unittest
+
+import numpy as np
+
+import gtsam
+import gtsam_unstable
+from gtsam.utils.test_case import GtsamTestCase
+
+
+pose1 = gtsam.Pose3()
+pose2 = gtsam.Pose3(np.array([[ 0.9999375 ,  0.00502487,  0.00998725,  0.1       ],
+                              [-0.00497488,  0.999975  , -0.00502487,  0.02      ],
+                              [-0.01001225,  0.00497488,  0.9999375 ,  1.        ],
+                              [ 0.        ,  0.        ,  0.        ,  1.        ]]))
+point = np.array([2, 0, 15])
+point_noise = gtsam.noiseModel.Diagonal.Sigmas(np.ones(2))
+cal = gtsam.Cal3_S2()
+body_p_sensor = gtsam.Pose3()
+alpha = 0.1
+measured = array([0.13257015, 0.0004157])
+
+
+class TestProjectionFactorRollingShutter(GtsamTestCase):
+
+    def test_constructor(self):
+        '''
+        test constructor for the ProjectionFactorRollingShutter
+        '''
+        factor = gtsam_unstable.ProjectionFactorRollingShutter(measured, alpha, point_noise, 0, 1, 2, cal)
+        factor = gtsam_unstable.ProjectionFactorRollingShutter(measured, alpha, point_noise, 0, 1, 2, cal,
+                                                               body_p_sensor)
+        factor = gtsam_unstable.ProjectionFactorRollingShutter(measured, alpha, point_noise, 0, 1, 2, cal, True, False)
+        factor = gtsam_unstable.ProjectionFactorRollingShutter(measured, alpha, point_noise, 0, 1, 2, cal, True, False,
+                                                               body_p_sensor)
+
+    def test_error(self):
+        '''
+        test the factor error for a specific example
+        '''
+        values = gtsam.Values()
+        values.insert(0, pose1)
+        values.insert(1, pose2)
+        values.insert(2, point)
+        factor = gtsam_unstable.ProjectionFactorRollingShutter(measured, alpha, point_noise, 0, 1, 2, cal)
+        self.assertEqual(factor.error(values), 0)
+
+
+if __name__ == '__main__':
+    unittest.main()