chore: import upstream snapshot with attribution

test/dygraph_to_static/test_logging_utils.py

@@ -0,0 +1,155 @@
+#   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
+# limitations under the License.
+
+import io
+import logging
+import os
+import sys
+import unittest
+from unittest import mock
+
+import paddle
+from paddle.jit.dy2static import logging_utils
+from paddle.utils import gast
+
+
+class TestLoggingUtils(unittest.TestCase):
+    def setUp(self):
+        self.verbosity_level = 1
+        self.code_level = 3
+        self.translator_logger = logging_utils._TRANSLATOR_LOGGER
+
+    def test_verbosity(self):
+        paddle.jit.set_verbosity(None)
+        os.environ[logging_utils.VERBOSITY_ENV_NAME] = '3'
+        self.assertEqual(logging_utils.get_verbosity(), 3)
+
+        paddle.jit.set_verbosity(self.verbosity_level)
+        self.assertEqual(self.verbosity_level, logging_utils.get_verbosity())
+
+        # String is not supported
+        with self.assertRaises(TypeError):
+            paddle.jit.set_verbosity("3")
+
+        with self.assertRaises(TypeError):
+            paddle.jit.set_verbosity(3.3)
+
+    def test_also_to_stdout(self):
+        logging_utils._TRANSLATOR_LOGGER.need_to_echo_log_to_stdout = None
+        self.assertEqual(
+            logging_utils._TRANSLATOR_LOGGER.need_to_echo_log_to_stdout, False
+        )
+
+        paddle.jit.set_verbosity(also_to_stdout=False)
+        self.assertEqual(
+            logging_utils._TRANSLATOR_LOGGER.need_to_echo_log_to_stdout, False
+        )
+
+        logging_utils._TRANSLATOR_LOGGER.need_to_echo_node_to_stdout = None
+        self.assertEqual(
+            logging_utils._TRANSLATOR_LOGGER.need_to_echo_code_to_stdout, False
+        )
+
+        paddle.jit.set_code_level(also_to_stdout=True)
+        self.assertEqual(
+            logging_utils._TRANSLATOR_LOGGER.need_to_echo_code_to_stdout, True
+        )
+
+        with self.assertRaises(AssertionError):
+            paddle.jit.set_verbosity(also_to_stdout=1)
+
+        with self.assertRaises(AssertionError):
+            paddle.jit.set_code_level(also_to_stdout=1)
+
+    def test_set_code_level(self):
+        paddle.jit.set_code_level(None)
+        os.environ[logging_utils.CODE_LEVEL_ENV_NAME] = '2'
+        self.assertEqual(logging_utils.get_code_level(), 2)
+
+        paddle.jit.set_code_level(self.code_level)
+        self.assertEqual(logging_utils.get_code_level(), self.code_level)
+
+        paddle.jit.set_code_level(9)
+        self.assertEqual(logging_utils.get_code_level(), 9)
+
+        with self.assertRaises(TypeError):
+            paddle.jit.set_code_level(3.3)
+
+    def test_log_api(self):
+        # test api for CI Coverage
+        logging_utils.set_verbosity(1, True)
+
+        logging_utils.warn("warn")
+        logging_utils.error("error")
+
+        logging_utils.log(1, "log level 1")
+        logging_utils.log(2, "log level 2")
+
+        source_code = "x = 3"
+        ast_code = gast.parse(source_code)
+        logging_utils.set_code_level(1, True)
+        logging_utils.log_transformed_code(1, ast_code, "TestTransformer")
+        logging_utils.set_code_level(logging_utils.LOG_AllTransformer, True)
+        logging_utils.log_transformed_code(
+            logging_utils.LOG_AllTransformer, ast_code, "TestTransformer"
+        )
+
+    def test_log_message(self):
+        stream = io.StringIO()
+        log = self.translator_logger.logger
+        stdout_handler = logging.StreamHandler(stream)
+        log.addHandler(stdout_handler)
+
+        warn_msg = "test_warn"
+        error_msg = "test_error"
+        log_msg_1 = "test_log_1"
+        log_msg_2 = "test_log_2"
+
+        with mock.patch.object(sys, 'stdout', stream):
+            logging_utils.set_verbosity(1, False)
+            logging_utils.warn(warn_msg)
+            logging_utils.error(error_msg)
+            logging_utils.log(1, log_msg_1)
+            logging_utils.log(2, log_msg_2)
+
+        result_msg = '\n'.join(
+            [warn_msg, error_msg, "(Level 1) " + log_msg_1, ""]
+        )
+        self.assertEqual(result_msg, stream.getvalue())
+
+    def test_log_transformed_code(self):
+        source_code = "x = 3"
+        ast_code = gast.parse(source_code)
+
+        stream = io.StringIO()
+        log = self.translator_logger.logger
+        stdout_handler = logging.StreamHandler(stream)
+        log.addHandler(stdout_handler)
+
+        with mock.patch.object(sys, 'stdout', stream):
+            paddle.jit.set_code_level(1)
+            logging_utils.log_transformed_code(
+                1, ast_code, "BasicApiTransformer"
+            )
+
+            paddle.jit.set_code_level()
+            logging_utils.log_transformed_code(
+                logging_utils.LOG_AllTransformer, ast_code, "All Transformers"
+            )
+
+        self.assertIn(source_code, stream.getvalue())
+
+
+if __name__ == '__main__':
+    unittest.main()