234 lines
6.8 KiB
Go
234 lines
6.8 KiB
Go
// Copyright 2014 martini-contrib/binding Authors
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// Copyright 2014 Unknwon
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//
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// Licensed under the Apache License, Version 2.0 (the "License"): you may
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// not use this file except in compliance with the License. You may obtain
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// a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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// License for the specific language governing permissions and limitations
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// under the License.
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package binding
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import (
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"fmt"
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"io"
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"net/http"
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"net/http/httptest"
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"reflect"
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"strings"
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"testing"
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"gitea.com/lunny/tango"
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. "github.com/smartystreets/goconvey/convey"
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)
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var jsonTestCases = []jsonTestCase{
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{
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description: "Happy path",
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shouldSucceedOnJson: true,
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payload: `{"title": "Glorious Post Title", "content": "Lorem ipsum dolor sit amet"}`,
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contentType: _JSON_CONTENT_TYPE,
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expected: Post{Title: "Glorious Post Title", Content: "Lorem ipsum dolor sit amet"},
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},
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{
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description: "Happy path with interface",
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shouldSucceedOnJson: true,
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withInterface: true,
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payload: `{"title": "Glorious Post Title", "content": "Lorem ipsum dolor sit amet"}`,
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contentType: _JSON_CONTENT_TYPE,
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expected: Post{Title: "Glorious Post Title", Content: "Lorem ipsum dolor sit amet"},
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},
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{
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description: "Nil payload",
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shouldSucceedOnJson: false,
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payload: `-nil-`,
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contentType: _JSON_CONTENT_TYPE,
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expected: Post{},
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},
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{
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description: "Empty payload",
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shouldSucceedOnJson: false,
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payload: ``,
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contentType: _JSON_CONTENT_TYPE,
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expected: Post{},
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},
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{
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description: "Empty content type",
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shouldSucceedOnJson: true,
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shouldFailOnBind: true,
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payload: `{"title": "Glorious Post Title", "content": "Lorem ipsum dolor sit amet"}`,
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contentType: ``,
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expected: Post{Title: "Glorious Post Title", Content: "Lorem ipsum dolor sit amet"},
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},
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{
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description: "Unsupported content type",
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shouldSucceedOnJson: true,
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shouldFailOnBind: true,
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payload: `{"title": "Glorious Post Title", "content": "Lorem ipsum dolor sit amet"}`,
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contentType: `BoGuS`,
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expected: Post{Title: "Glorious Post Title", Content: "Lorem ipsum dolor sit amet"},
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},
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{
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description: "Malformed JSON",
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shouldSucceedOnJson: false,
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payload: `{"title":"foo"`,
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contentType: _JSON_CONTENT_TYPE,
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expected: Post{},
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},
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{
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description: "Deserialization with nested and embedded struct",
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shouldSucceedOnJson: true,
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payload: `{"title":"Glorious Post Title", "id":1, "author":{"name":"Matt Holt"}}`,
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contentType: _JSON_CONTENT_TYPE,
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expected: BlogPost{Post: Post{Title: "Glorious Post Title"}, Id: 1, Author: Person{Name: "Matt Holt"}},
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},
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{
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description: "Deserialization with nested and embedded struct with interface",
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shouldSucceedOnJson: true,
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withInterface: true,
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payload: `{"title":"Glorious Post Title", "id":1, "author":{"name":"Matt Holt"}}`,
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contentType: _JSON_CONTENT_TYPE,
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expected: BlogPost{Post: Post{Title: "Glorious Post Title"}, Id: 1, Author: Person{Name: "Matt Holt"}},
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},
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{
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description: "Required nested struct field not specified",
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shouldSucceedOnJson: false,
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payload: `{"title":"Glorious Post Title", "id":1, "author":{}}`,
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contentType: _JSON_CONTENT_TYPE,
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expected: BlogPost{Post: Post{Title: "Glorious Post Title"}, Id: 1},
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},
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{
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description: "Required embedded struct field not specified",
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shouldSucceedOnJson: false,
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payload: `{"id":1, "author":{"name":"Matt Holt"}}`,
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contentType: _JSON_CONTENT_TYPE,
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expected: BlogPost{Id: 1, Author: Person{Name: "Matt Holt"}},
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},
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{
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description: "Slice of Posts",
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shouldSucceedOnJson: true,
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payload: `[{"title": "First Post"}, {"title": "Second Post"}]`,
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contentType: _JSON_CONTENT_TYPE,
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expected: []Post{Post{Title: "First Post"}, Post{Title: "Second Post"}},
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},
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}
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func Test_Json(t *testing.T) {
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Convey("Test JSON", t, func() {
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for _, testCase := range jsonTestCases {
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performJsonTest(t, testCase)
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}
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})
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}
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/*
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var obj interface{}
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var errors Errors
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*/
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type JsonAction struct {
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Binder
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}
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func (v *JsonAction) Get() error {
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return v.Post()
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}
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func (v *JsonAction) Post() error {
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errors = v.Json(obj)
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if errors.Len() > 0 {
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return fmt.Errorf("%+v", errors)
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}
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return nil
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}
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func performJsonTest(t *testing.T, testCase jsonTestCase) {
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var payload io.Reader
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httpRecorder := httptest.NewRecorder()
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m := tango.Classic()
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m.Use(Bind())
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jsonTestHandler := func(actual interface{}, errs Errors) {
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if testCase.shouldSucceedOnJson && len(errs) > 0 {
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So(len(errs), ShouldEqual, 0)
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} else if !testCase.shouldSucceedOnJson && len(errs) == 0 {
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So(len(errs), ShouldNotEqual, 0)
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}
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So(fmt.Sprintf("%+v", actual), ShouldEqual, fmt.Sprintf("%+v", testCase.expected))
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}
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obj = reflect.New(reflect.TypeOf(testCase.expected)).Interface()
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switch testCase.expected.(type) {
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case []Post:
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if testCase.withInterface {
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m.Post(testRoute, new(JsonAction))
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} else {
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m.Post(testRoute, new(JsonAction))
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}
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case Post:
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if testCase.withInterface {
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m.Post(testRoute, new(JsonAction))
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} else {
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m.Post(testRoute, new(JsonAction))
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}
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case BlogPost:
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if testCase.withInterface {
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m.Post(testRoute, new(JsonAction))
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} else {
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m.Post(testRoute, new(JsonAction))
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}
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}
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if testCase.payload == "-nil-" {
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payload = nil
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} else {
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payload = strings.NewReader(testCase.payload)
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}
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req, err := http.NewRequest("POST", testRoute, payload)
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if err != nil {
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panic(err)
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}
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req.Header.Set("Content-Type", testCase.contentType)
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m.ServeHTTP(httpRecorder, req)
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switch httpRecorder.Code {
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case http.StatusNotFound:
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if testCase.shouldSucceedOnJson {
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panic("Routing is messed up in test fixture (got 404): check method and path on '" + testCase.description + "'")
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}
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case http.StatusInternalServerError:
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if testCase.shouldSucceedOnJson {
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panic("Something bad happened on '" + testCase.description + "'")
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}
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default:
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if testCase.shouldSucceedOnJson &&
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httpRecorder.Code != http.StatusOK &&
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!testCase.shouldFailOnBind {
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So(httpRecorder.Code, ShouldEqual, http.StatusOK)
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}
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}
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jsonTestHandler(reflect.ValueOf(obj).Elem().Interface(), errors)
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}
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type (
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jsonTestCase struct {
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description string
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withInterface bool
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shouldSucceedOnJson bool
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shouldFailOnBind bool
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payload string
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contentType string
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expected interface{}
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}
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)
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