From dfbe44884750fc10c48ccafd8a80174de1c646bf Mon Sep 17 00:00:00 2001
From: yaoxuefeng6 <yaoxuefeng@baidu.com>
Date: Mon, 21 Sep 2020 12:33:30 +0800
Subject: [PATCH] add data_generator ut

---
 .../tests/unittests/test_data_generator.py    | 49 +++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 python/paddle/fluid/tests/unittests/test_data_generator.py

diff --git a/python/paddle/fluid/tests/unittests/test_data_generator.py b/python/paddle/fluid/tests/unittests/test_data_generator.py
new file mode 100644
index 00000000000..08974c2df80
--- /dev/null
+++ b/python/paddle/fluid/tests/unittests/test_data_generator.py
@@ -0,0 +1,49 @@
+#   Copyright (c) 2020 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
+import paddle
+import unittest
+import paddle.distributed.fleet as fleet
+
+
+class MyMultiSlotDataGenerator(fleet.MultiSlotDataGenerator):
+    def generate_sample(self, line):
+        def data_iter():
+            for i in range(100):
+                yield ("words", [1, 2, 3, 4]), ("label", [0])
+
+        return data_iter
+
+
+class MyMultiSlotStringDataGenerator(fleet.MultiSlotStringDataGenerator):
+    def generate_sample(self, line):
+        def data_iter():
+            for i in range(100):
+                yield ("words", ["1", "2", "3", "4"]), ("label", ["0"])
+
+        return data_iter
+
+
+class TestMultiSlotDataGenerator(unittest.TestCase):
+    def test_MultiSlotDataGenerator_basic(self):
+        my_ms_dg = MyMultiSlotDataGenerator()
+        my_ms_dg.run_from_memory()
+
+
+class TestMultiSlotStringDataGenerator(unittest.TestCase):
+    def test_MyMultiSlotStringDataGenerator_basic(self):
+        my_mss_dg = MyMultiSlotStringDataGenerator()
+        my_mss_dg.run_from_memory()
+
+
+if __name__ == '__main__':
+    unittest.main()
-- 
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