TestcaseParser: add update_variables_binds

ate/testcase.py

@@ -6,7 +6,13 @@ class TestcaseParser(object):
     def __init__(self, variables_binds={}):
         self.variables_binds = variables_binds
 
-    def parse(self, testcase_template, variables_binds={}):
+    def update_variables_binds(self, variables_mapping):
+        """ update variables binds with new mapping.
+        """
+        if variables_mapping:
+            self.variables_binds.update(variables_mapping)
+
+    def parse(self, testcase_template):
         """ parse testcase_template, replace all variables with bind value.
         variables marker: ${variable}.
         @param testcase_template
@@ -30,12 +36,7 @@ class TestcaseParser(object):
                     "msg": "user created successfully."
                 }
             }
-        @param variables_binds
-            variable binds of testcase parser instance will be updated.
         """
-        if variables_binds:
-            self.variables_binds.update(variables_binds)
-
         return self.substitute(testcase_template)
 
     def substitute(self, content):

test/test_testcase.py

@@ -90,7 +90,8 @@ class TestcaseParserUnittest(unittest.TestCase):
         new_variable_binds = {
             "method": "GET"
         }
-        parsed_testcase = self.testcase_parser.parse(testcase, new_variable_binds)
+        self.testcase_parser.update_variables_binds(new_variable_binds)
+        parsed_testcase = self.testcase_parser.parse(testcase)
 
         self.assertIn("method", self.testcase_parser.variables_binds)
         self.assertEqual(