khannaekta commented on a change in pull request #522:
URL: https://github.com/apache/madlib/pull/522#discussion_r532937425
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File path:
src/ports/postgres/modules/deep_learning/test/unit_tests/test_madlib_keras.py_in
##########
@@ -569,6 +466,198 @@ class MadlibKerasFitTestCase(unittest.TestCase):
def test_fit_transition_last_buffer_pass_gpdb(self):
self._test_fit_transition_last_buffer_pass(False)
+ ############### GRAPH AND SESSION TESTS ################################
+ def test_fit_eval_2_iterations_mcf_null_gpdb(self):
+ kwargs = {'GD': {}}
+ GD = kwargs['GD']
+
+ ######################### fit for 2 iterations ##########
+ # iteration 1
+ first_iter_keras_sess = self._run_fit_iteration(**kwargs)
+ self._assert_keras_session_same_as_gd_session(GD)
+
+ first_iter_tf_graph = self.subject.tf.get_default_graph()
+
+ # iteration 2 (last iteration)
+ last_iter_keras_sess = self._run_fit_iteration(**kwargs)
+ self._assert_keras_session_same_as_gd_session(GD)
+
+ last_iter_tf_graph = self.subject.tf.get_default_graph()
+
+ self.assertEquals(first_iter_keras_sess, last_iter_keras_sess)
+ self.assertEquals(first_iter_tf_graph, last_iter_tf_graph)
+
+ ###################### eval transition for last iteration ###########
+ self._run_eval_iteration(True, last_iter_keras_sess,
last_iter_tf_graph, **kwargs)
+ eval_last_iter_keras_sess = self.subject.K.get_session()
+ eval_last_iter_tf_graph = self.subject.tf.get_default_graph()
+
+ self.assertNotEquals(eval_last_iter_keras_sess, last_iter_keras_sess)
+ self.assertNotEquals(eval_last_iter_tf_graph, last_iter_tf_graph)
Review comment:
That is correct, will add a comment.
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