Add version test

python/paddle/fluid/tests/unittests/test_version.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 re
+
+import paddle.version as fluid_version
+
+class VersionTest(unittest.TestCase):
+    def setUp(self):
+        self._major_regex = "[0-9]+"
+        self._minor_regex = "[0-9]+"
+        self._patch_regex = "[0-9]+(\\.(a|b|rc)\\.[0-9]+)?"
+        self._rc_regex = "[0-9]+"
+        self._version_regex = "[0-9]+\\.[0-9]+\\.[0-9]+(\\.(a|b|rc)\\.[0-9]+)?"
+        self._commit_regex = "[0-9a-f]{5,49}"
+
+    def test_check_output(self):
+        # check commit format
+        self.assertTrue(re.match(self._commit_regex, fluid_version.commit))
+        self.assertTrue(isinstance(fluid_version.istaged, bool))
+
+        # check version format
+        if fluid_version.istaged:
+            self.assertEqual(fluid_version.major, 0)
+            self.assertEqual(fluid_version.minor, 0)
+            self.assertEqual(fluid_version.patch, "0")
+            self.assertEqual(fluid_version.rc, 0)
+            self.assertEqual(fluid_version.full_version, "0.0.0")
+        else:
+            self.assertTrue(re.match(self._major_regex, fluid_version.major))
+            self.assertTrue(re.match(self._minor_regex, fluid_version.minor))
+            self.assertTrue(re.match(self._patch_regex, fluid_version.patch))
+            self.assertTrue(re.match(self._rc_regex, fluid_version.rc))
+            self.assertTrue(re.match(self._version_regex, fluid_version.full_version))
+
+