Tests: make input schemas strict when using mashmallow 2

Author: lafrech

tests/test_blueprint.py

@@ -12,6 +12,8 @@
 
 from flask_smorest import Api, Blueprint, Page
 from flask_smorest.fields import Upload
+from flask_smorest.compat import MARSHMALLOW_VERSION_MAJOR
+
 
 from .utils import build_ref
 
@@ -289,6 +291,9 @@ def test_blueprint_arguments_files_multipart(
         client = app.test_client()
 
         class MultipartSchema(ma.Schema):
+            if MARSHMALLOW_VERSION_MAJOR < 3:
+                class Meta:
+                    strict = True
             file_1 = Upload()
             file_2 = Upload()
 
@@ -747,6 +752,9 @@ def test_blueprint_doc_merged_after_prepare_doc(self, app):
             'content': {'application/json': {'example': {'test': 123}}}}
 
         class ItemSchema(ma.Schema):
+            if MARSHMALLOW_VERSION_MAJOR < 3:
+                class Meta:
+                    strict = True
             test = ma.fields.Int()
 
         @blp.route('/')
@@ -778,6 +786,9 @@ def test_blueprint_response_status_code_cast_to_string(
         doc_desc = {'description': 'Description'}
 
         class ItemSchema(ma.Schema):
+            if MARSHMALLOW_VERSION_MAJOR < 3:
+                class Meta:
+                    strict = True
             test = ma.fields.Int()
 
         @blp.route('/')