From 63012df4970814062ad3be6a4139a4d5f6a50bc0 Mon Sep 17 00:00:00 2001
From: Yu Yang <yuyang18@baidu.com>
Date: Thu, 17 May 2018 09:59:57 +0800
Subject: [PATCH] Switch scope/program for every test (#10702)

---
 .../fluid/tests/unittests/CMakeLists.txt      |  4 +-
 tools/test_runner.py                          | 48 +++++++++++++++++++
 2 files changed, 50 insertions(+), 2 deletions(-)
 create mode 100644 tools/test_runner.py

diff --git a/python/paddle/fluid/tests/unittests/CMakeLists.txt b/python/paddle/fluid/tests/unittests/CMakeLists.txt
index 496acc57912..2ae9653953c 100644
--- a/python/paddle/fluid/tests/unittests/CMakeLists.txt
+++ b/python/paddle/fluid/tests/unittests/CMakeLists.txt
@@ -28,11 +28,11 @@ function(py_test_modules TARGET_NAME)
   if(WITH_TESTING)
     set(options "")
     set(oneValueArgs "")
-    set(multiValueArgs MODULES DEPS ARGS ENVS)
+    set(multiValueArgs MODULES DEPS ENVS)
     cmake_parse_arguments(py_test_modules "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
     add_test(NAME ${TARGET_NAME}
              COMMAND env PYTHONPATH=${PADDLE_BINARY_DIR}/python ${py_test_modules_ENVS}
-             ${PYTHON_EXECUTABLE} -u -m unittest --verbose ${py_test_modules_MODULES} ${py_test_modules_ARGS}
+             ${PYTHON_EXECUTABLE} ${PADDLE_SOURCE_DIR}/tools/test_runner.py ${py_test_modules_MODULES}
              WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
   endif()
 endfunction()
diff --git a/tools/test_runner.py b/tools/test_runner.py
new file mode 100644
index 00000000000..9dc750b8905
--- /dev/null
+++ b/tools/test_runner.py
@@ -0,0 +1,48 @@
+# 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 os
+import sys
+import paddle.fluid as fluid
+import importlib
+import cStringIO
+
+
+def main():
+    sys.path.append(os.getcwd())
+    some_test_failed = False
+    for module_name in sys.argv[1:]:
+        buffer = cStringIO.StringIO()
+        main = fluid.Program()
+        startup = fluid.Program()
+        scope = fluid.core.Scope()
+        with fluid.program_guard(main, startup):
+            with fluid.scope_guard(scope):
+                with fluid.unique_name.guard():
+                    test_loader = unittest.TestLoader()
+                    module = importlib.import_module(module_name)
+                    tests = test_loader.loadTestsFromModule(module)
+                    res = unittest.TextTestRunner(stream=buffer).run(tests)
+                    if not res.wasSuccessful():
+                        some_test_failed = True
+                        print >> sys.stderr, module_name, 'failed\n', buffer.getvalue(
+                        )
+
+    if some_test_failed:
+        exit(1)
+
+
+if __name__ == '__main__':
+    main()
-- 
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