Create a constants.py to manage constant variable consistently

JIRA: YARDSTICK-378

Change-Id: I527d4f60f2a2081730118bdbbea6c19fc093672f
Signed-off-by: chenjiankun <chenjiankun1@huawei.com>

2 files changed, 29 insertions, 0 deletions

diff --git a/tests/unit/common/config_sample.yaml b/tests/unit/common/config_sample.yaml
new file mode 100644
index 000000000..8caa19ec6
--- /dev/null
+++ b/tests/unit/common/config_sample.yaml
@@ -0,0 +1,2 @@
+releng:
+    dir:                                /home/opnfv/repos/releng
diff --git a/tests/unit/common/test_utils.py b/tests/unit/common/test_utils.py
index 002d0494c..a64c1f1ab 100644
--- a/tests/unit/common/test_utils.py
+++ b/tests/unit/common/test_utils.py
@@ -83,6 +83,33 @@ class ImportModulesFromPackageTestCase(unittest.TestCase):
         mock_importutils.import_module.assert_called_with('bar.baz')
 
 
+class GetParaFromYaml(unittest.TestCase):
+
+    def test_get_para_from_yaml_file_not_exist(self):
+        file_path = '/etc/yardstick/hello.yaml'
+        args = 'hello.world'
+        para = utils.get_para_from_yaml(file_path, args)
+        self.assertIsNone(para)
+
+    def test_get_para_from_yaml_para_not_found(self):
+        file_path = 'config_sample.yaml'
+        file_path = self._get_file_abspath(file_path)
+        args = 'releng.file'
+        self.assertIsNone(utils.get_para_from_yaml(file_path, args))
+
+    def test_get_para_from_yaml_para_exists(self):
+        file_path = 'config_sample.yaml'
+        file_path = self._get_file_abspath(file_path)
+        args = 'releng.dir'
+        para = '/home/opnfv/repos/releng'
+        self.assertEqual(para, utils.get_para_from_yaml(file_path, args))
+
+    def _get_file_abspath(self, filename):
+        curr_path = os.path.dirname(os.path.abspath(__file__))
+        file_path = os.path.join(curr_path, filename)
+        return file_path
+
+
 def main():
     unittest.main()