Added direct test cases with and w/o flask.Response

tests/fakeapi/api.yaml

@@ -656,6 +656,22 @@ paths:
           in: query
           required: true
 
+  /test-redirect-endpoint:
+    get:
+      summary: Tests handlers returning flask.Response objects
+      operationId: fakeapi.hello.test_redirect_endpoint
+      responses:
+        302:
+          description: 302 Found
+
+  /test-redirect-response-endpoint:
+    get:
+      summary: Tests handlers returning flask.Response objects
+      operationId: fakeapi.hello.test_redirect_response_endpoint
+      responses:
+        302:
+          description: 302 Found
+
 definitions:
   new_stack:
     type: object

tests/fakeapi/hello.py

@@ -2,6 +2,7 @@
 
 from connexion import problem, request
 from connexion import NoContent
+from flask import redirect
 
 
 class DummyClass:
@@ -234,3 +235,12 @@ def test_bool_default_param(thruthiness):
 
 def test_required_param(simple):
     return simple
+
+
+def test_redirect_endpoint():
+    headers = {'Location': 'http://www.google.com/'}
+    return '', 302, headers
+
+
+def test_redirect_response_endpoint():
+    return redirect('http://www.google.com/')

tests/test_app.py

@@ -613,3 +613,15 @@ def test_required_param_miss_config(app):
 
     resp = app_client.get('/v1.0/test-required-param')
     assert resp.status_code == 400
+
+
+def test_redirect_endpoint(app):
+    app_client = app.app.test_client()
+    resp = app_client.get('/v1.0/test-redirect-endpoint')
+    assert resp.status_code == 302
+
+
+def test_redirect_response_endpoint(app):
+    app_client = app.app.test_client()
+    resp = app_client.get('/v1.0/test-redirect-response-endpoint')
+    assert resp.status_code == 302