init test_python_operator_overriding.py

python/paddle/v2/fluid/tests/test_python_operator_overriding.py

+# Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import unittest
+
+import numpy
+import paddle.v2.fluid.framework as framework
+import paddle.v2.fluid as fluid
+
+
+class TestPythonOperatorOverride(unittest.TestCase):
+    def check_result(self, fn, place, dtype='float32'):
+        shape = [9, 10]
+
+        x_data = numpy.random.random(size=shape).astype(dtype)
+        y_data = numpy.random.random(size=shape).astype(dtype)
+        python_out = fn(x_data, y_data)
+
+        x_var = fluid.layers.data(name='x', shape=shape, dtype=dtype)
+        y_var = fluid.layers.data(name='y', shape=shape, dtype=dtype)
+        out = fn(x_var, y_var)
+
+        exe = fluid.Executor(place)
+        feeder = fluid.DataFeeder(feed_list=[x_var, y_var], place=place)
+
+        exe.run(fluid.default_startup_program())
+        fluid_out = exe.run(fluid.default_main_program(),
+                            feed=feeder.feed([x_data, y_data]),
+                            fetch_list=[out])
+
+        print(python_out)
+        self.assertAlmostEqual(python_out, fluid_out[0])
+
+    def test_override(self):
+        main_program = framework.Program()
+        startup_program = framework.Program()
+        with framework.program_guard(main_program, startup_program):
+            place = fluid.CPUPlace()
+            self.check_result(lambda _a, _b: _a == _b, place)
+
+
+if __name__ == '__main__':
+    unittest.main()