702 lines
16 KiB
Go
702 lines
16 KiB
Go
// Copyright 2013 The Martini Contrib Authors. All rights reserved.
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// Copyright 2014 The Gogs Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package binding
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import (
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"bytes"
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"mime/multipart"
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"net/http"
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"net/http/httptest"
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"strconv"
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"strings"
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"testing"
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"github.com/codegangsta/martini"
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)
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func TestBind(t *testing.T) {
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testBind(t, false)
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}
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func TestBindWithInterface(t *testing.T) {
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testBind(t, true)
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}
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func TestMultipartBind(t *testing.T) {
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index := 0
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for test, expectStatus := range bindMultipartTests {
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handler := func(post BlogPost, errors Errors) {
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handle(test, t, index, post, errors)
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}
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recorder := testMultipart(t, test, Bind(BlogPost{}), handler, index)
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if recorder.Code != expectStatus {
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t.Errorf("On test case %v, got status code %d but expected %d", test, recorder.Code, expectStatus)
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}
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index++
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}
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}
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func TestForm(t *testing.T) {
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testForm(t, false)
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}
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func TestFormWithInterface(t *testing.T) {
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testForm(t, true)
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}
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func TestEmptyForm(t *testing.T) {
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testEmptyForm(t)
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}
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func TestMultipartForm(t *testing.T) {
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for index, test := range multipartformTests {
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handler := func(post BlogPost, errors Errors) {
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handle(test, t, index, post, errors)
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}
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testMultipart(t, test, MultipartForm(BlogPost{}), handler, index)
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}
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}
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func TestMultipartFormWithInterface(t *testing.T) {
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for index, test := range multipartformTests {
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handler := func(post Modeler, errors Errors) {
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post.Create(test, t, index)
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}
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testMultipart(t, test, MultipartForm(BlogPost{}, (*Modeler)(nil)), handler, index)
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}
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}
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func TestJson(t *testing.T) {
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testJson(t, false)
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}
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func TestJsonWithInterface(t *testing.T) {
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testJson(t, true)
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}
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func TestEmptyJson(t *testing.T) {
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testEmptyJson(t)
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}
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func TestValidate(t *testing.T) {
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handlerMustErr := func(errors Errors) {
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if errors.Count() == 0 {
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t.Error("Expected at least one error, got 0")
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}
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}
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handlerNoErr := func(errors Errors) {
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if errors.Count() > 0 {
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t.Error("Expected no errors, got", errors.Count())
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}
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}
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performValidationTest(&BlogPost{"", "...", 0, 0, []int{}}, handlerMustErr, t)
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performValidationTest(&BlogPost{"Good Title", "Good content", 0, 0, []int{}}, handlerNoErr, t)
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performValidationTest(&User{Name: "Jim", Home: Address{"", ""}}, handlerMustErr, t)
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performValidationTest(&User{Name: "Jim", Home: Address{"required", ""}}, handlerNoErr, t)
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}
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func handle(test testCase, t *testing.T, index int, post BlogPost, errors Errors) {
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assertEqualField(t, "Title", index, test.ref.Title, post.Title)
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assertEqualField(t, "Content", index, test.ref.Content, post.Content)
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assertEqualField(t, "Views", index, test.ref.Views, post.Views)
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for i := range test.ref.Multiple {
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if i >= len(post.Multiple) {
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t.Errorf("Expected: %v (size %d) to have same size as: %v (size %d)", post.Multiple, len(post.Multiple), test.ref.Multiple, len(test.ref.Multiple))
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break
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}
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if test.ref.Multiple[i] != post.Multiple[i] {
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t.Errorf("Expected: %v to deep equal: %v", post.Multiple, test.ref.Multiple)
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break
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}
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}
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if test.ok && errors.Count() > 0 {
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t.Errorf("%+v should be OK (0 errors), but had errors: %+v", test, errors)
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} else if !test.ok && errors.Count() == 0 {
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t.Errorf("%+v should have errors, but was OK (0 errors)", test)
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}
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}
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func handleEmpty(test emptyPayloadTestCase, t *testing.T, index int, section BlogSection, errors Errors) {
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assertEqualField(t, "Title", index, test.ref.Title, section.Title)
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assertEqualField(t, "Content", index, test.ref.Content, section.Content)
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if test.ok && errors.Count() > 0 {
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t.Errorf("%+v should be OK (0 errors), but had errors: %+v", test, errors)
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} else if !test.ok && errors.Count() == 0 {
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t.Errorf("%+v should have errors, but was OK (0 errors)", test)
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}
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}
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func testBind(t *testing.T, withInterface bool) {
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index := 0
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for test, expectStatus := range bindTests {
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m := martini.Classic()
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recorder := httptest.NewRecorder()
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handler := func(post BlogPost, errors Errors) { handle(test, t, index, post, errors) }
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binding := Bind(BlogPost{})
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if withInterface {
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handler = func(post BlogPost, errors Errors) {
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post.Create(test, t, index)
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}
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binding = Bind(BlogPost{}, (*Modeler)(nil))
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}
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switch test.method {
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case "GET":
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m.Get(route, binding, handler)
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case "POST":
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m.Post(route, binding, handler)
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}
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req, err := http.NewRequest(test.method, test.path, strings.NewReader(test.payload))
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req.Header.Add("Content-Type", test.contentType)
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if err != nil {
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t.Error(err)
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}
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m.ServeHTTP(recorder, req)
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if recorder.Code != expectStatus {
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t.Errorf("On test case %v, got status code %d but expected %d", test, recorder.Code, expectStatus)
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}
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index++
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}
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}
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func testJson(t *testing.T, withInterface bool) {
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for index, test := range jsonTests {
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recorder := httptest.NewRecorder()
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handler := func(post BlogPost, errors Errors) { handle(test, t, index, post, errors) }
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binding := Json(BlogPost{})
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if withInterface {
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handler = func(post BlogPost, errors Errors) {
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post.Create(test, t, index)
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}
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binding = Bind(BlogPost{}, (*Modeler)(nil))
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}
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m := martini.Classic()
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switch test.method {
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case "GET":
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m.Get(route, binding, handler)
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case "POST":
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m.Post(route, binding, handler)
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case "PUT":
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m.Put(route, binding, handler)
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case "DELETE":
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m.Delete(route, binding, handler)
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}
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req, err := http.NewRequest(test.method, route, strings.NewReader(test.payload))
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if err != nil {
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t.Error(err)
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}
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m.ServeHTTP(recorder, req)
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}
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}
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func testEmptyJson(t *testing.T) {
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for index, test := range emptyPayloadTests {
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recorder := httptest.NewRecorder()
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handler := func(section BlogSection, errors Errors) { handleEmpty(test, t, index, section, errors) }
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binding := Json(BlogSection{})
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m := martini.Classic()
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switch test.method {
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case "GET":
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m.Get(route, binding, handler)
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case "POST":
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m.Post(route, binding, handler)
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case "PUT":
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m.Put(route, binding, handler)
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case "DELETE":
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m.Delete(route, binding, handler)
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}
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req, err := http.NewRequest(test.method, route, strings.NewReader(test.payload))
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if err != nil {
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t.Error(err)
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}
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m.ServeHTTP(recorder, req)
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}
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}
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func testForm(t *testing.T, withInterface bool) {
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for index, test := range formTests {
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recorder := httptest.NewRecorder()
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handler := func(post BlogPost, errors Errors) { handle(test, t, index, post, errors) }
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binding := Form(BlogPost{})
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if withInterface {
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handler = func(post BlogPost, errors Errors) {
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post.Create(test, t, index)
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}
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binding = Form(BlogPost{}, (*Modeler)(nil))
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}
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m := martini.Classic()
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switch test.method {
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case "GET":
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m.Get(route, binding, handler)
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case "POST":
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m.Post(route, binding, handler)
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}
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req, err := http.NewRequest(test.method, test.path, nil)
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if err != nil {
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t.Error(err)
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}
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m.ServeHTTP(recorder, req)
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}
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}
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func testEmptyForm(t *testing.T) {
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for index, test := range emptyPayloadTests {
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recorder := httptest.NewRecorder()
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handler := func(section BlogSection, errors Errors) { handleEmpty(test, t, index, section, errors) }
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binding := Form(BlogSection{})
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m := martini.Classic()
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switch test.method {
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case "GET":
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m.Get(route, binding, handler)
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case "POST":
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m.Post(route, binding, handler)
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}
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req, err := http.NewRequest(test.method, test.path, nil)
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if err != nil {
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t.Error(err)
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}
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m.ServeHTTP(recorder, req)
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}
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}
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func testMultipart(t *testing.T, test testCase, middleware martini.Handler, handler martini.Handler, index int) *httptest.ResponseRecorder {
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recorder := httptest.NewRecorder()
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m := martini.Classic()
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m.Post(route, middleware, handler)
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body := &bytes.Buffer{}
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writer := multipart.NewWriter(body)
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writer.WriteField("title", test.ref.Title)
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writer.WriteField("content", test.ref.Content)
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writer.WriteField("views", strconv.Itoa(test.ref.Views))
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if len(test.ref.Multiple) != 0 {
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for _, value := range test.ref.Multiple {
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writer.WriteField("multiple", strconv.Itoa(value))
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}
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}
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req, err := http.NewRequest(test.method, test.path, body)
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req.Header.Add("Content-Type", writer.FormDataContentType())
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if err != nil {
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t.Error(err)
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}
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err = writer.Close()
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if err != nil {
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t.Error(err)
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}
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m.ServeHTTP(recorder, req)
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return recorder
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}
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func assertEqualField(t *testing.T, fieldname string, testcasenumber int, expected interface{}, got interface{}) {
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if expected != got {
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t.Errorf("%s: expected=%s, got=%s in test case %d\n", fieldname, expected, got, testcasenumber)
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}
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}
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func performValidationTest(data interface{}, handler func(Errors), t *testing.T) {
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recorder := httptest.NewRecorder()
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m := martini.Classic()
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m.Get(route, Validate(data), handler)
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req, err := http.NewRequest("GET", route, nil)
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if err != nil {
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t.Error("HTTP error:", err)
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}
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m.ServeHTTP(recorder, req)
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}
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func (self BlogPost) Validate(errors *Errors, req *http.Request) {
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if len(self.Title) < 4 {
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errors.Fields["Title"] = "Too short; minimum 4 characters"
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}
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if len(self.Content) > 1024 {
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errors.Fields["Content"] = "Too long; maximum 1024 characters"
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}
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if len(self.Content) < 5 {
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errors.Fields["Content"] = "Too short; minimum 5 characters"
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}
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}
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func (self BlogPost) Create(test testCase, t *testing.T, index int) {
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assertEqualField(t, "Title", index, test.ref.Title, self.Title)
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assertEqualField(t, "Content", index, test.ref.Content, self.Content)
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assertEqualField(t, "Views", index, test.ref.Views, self.Views)
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for i := range test.ref.Multiple {
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if i >= len(self.Multiple) {
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t.Errorf("Expected: %v (size %d) to have same size as: %v (size %d)", self.Multiple, len(self.Multiple), test.ref.Multiple, len(test.ref.Multiple))
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break
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}
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if test.ref.Multiple[i] != self.Multiple[i] {
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t.Errorf("Expected: %v to deep equal: %v", self.Multiple, test.ref.Multiple)
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break
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}
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}
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}
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func (self BlogSection) Create(test emptyPayloadTestCase, t *testing.T, index int) {
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// intentionally left empty
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}
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type (
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testCase struct {
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method string
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path string
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payload string
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contentType string
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ok bool
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ref *BlogPost
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}
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emptyPayloadTestCase struct {
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method string
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path string
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payload string
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contentType string
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ok bool
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ref *BlogSection
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}
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Modeler interface {
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Create(test testCase, t *testing.T, index int)
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}
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BlogPost struct {
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Title string `form:"title" json:"title" binding:"required"`
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Content string `form:"content" json:"content"`
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Views int `form:"views" json:"views"`
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internal int `form:"-"`
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Multiple []int `form:"multiple"`
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}
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BlogSection struct {
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Title string `form:"title" json:"title"`
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Content string `form:"content" json:"content"`
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}
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User struct {
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Name string `json:"name" binding:"required"`
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Home Address `json:"address" binding:"required"`
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}
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Address struct {
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Street1 string `json:"street1" binding:"required"`
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Street2 string `json:"street2"`
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}
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)
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var (
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bindTests = map[testCase]int{
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// These should bail at the deserialization/binding phase
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testCase{
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"POST",
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path,
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`{ bad JSON `,
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"application/json",
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false,
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new(BlogPost),
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}: http.StatusBadRequest,
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testCase{
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"POST",
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path,
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`not multipart but has content-type`,
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"multipart/form-data",
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false,
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new(BlogPost),
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}: http.StatusBadRequest,
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testCase{
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"POST",
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path,
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`no content-type and not URL-encoded or JSON"`,
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"",
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false,
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new(BlogPost),
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}: http.StatusBadRequest,
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// These should deserialize, then bail at the validation phase
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testCase{
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"POST",
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path + "?title= This is wrong ",
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`not URL-encoded but has content-type`,
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"x-www-form-urlencoded",
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false,
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new(BlogPost),
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}: 422, // according to comments in Form() -> although the request is not url encoded, ParseForm does not complain
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testCase{
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"GET",
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path + "?content=This+is+the+content",
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``,
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"x-www-form-urlencoded",
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false,
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&BlogPost{Title: "", Content: "This is the content"},
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}: 422,
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testCase{
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"GET",
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path + "",
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`{"content":"", "title":"Blog Post Title"}`,
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"application/json",
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false,
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&BlogPost{Title: "Blog Post Title", Content: ""},
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}: 422,
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// These should succeed
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testCase{
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"GET",
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path + "",
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`{"content":"This is the content", "title":"Blog Post Title"}`,
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"application/json",
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true,
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&BlogPost{Title: "Blog Post Title", Content: "This is the content"},
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}: http.StatusOK,
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testCase{
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"GET",
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path + "?content=This+is+the+content&title=Blog+Post+Title",
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``,
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"",
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true,
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&BlogPost{Title: "Blog Post Title", Content: "This is the content"},
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}: http.StatusOK,
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testCase{
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"GET",
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path + "?content=This is the content&title=Blog+Post+Title",
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`{"content":"This is the content", "title":"Blog Post Title"}`,
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"",
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true,
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&BlogPost{Title: "Blog Post Title", Content: "This is the content"},
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}: http.StatusOK,
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testCase{
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"GET",
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path + "",
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`{"content":"This is the content", "title":"Blog Post Title"}`,
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"",
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true,
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&BlogPost{Title: "Blog Post Title", Content: "This is the content"},
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}: http.StatusOK,
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}
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bindMultipartTests = map[testCase]int{
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// This should deserialize, then bail at the validation phase
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testCase{
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"POST",
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path,
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"",
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"multipart/form-data",
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false,
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&BlogPost{Title: "", Content: "This is the content"},
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}: 422,
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// This should succeed
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testCase{
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"POST",
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path,
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"",
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"multipart/form-data",
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true,
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&BlogPost{Title: "This is the Title", Content: "This is the content"},
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}: http.StatusOK,
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}
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formTests = []testCase{
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{
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"GET",
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path + "?content=This is the content",
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"",
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"",
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false,
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&BlogPost{Title: "", Content: "This is the content"},
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},
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{
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"POST",
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path + "?content=This+is+the+content&title=Blog+Post+Title&views=3",
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"",
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"",
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false, // false because POST requests should have a body, not just a query string
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&BlogPost{Title: "Blog Post Title", Content: "This is the content", Views: 3},
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},
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{
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"GET",
|
|
path + "?content=This+is+the+content&title=Blog+Post+Title&views=3&multiple=5&multiple=10&multiple=15&multiple=20",
|
|
"",
|
|
"",
|
|
true,
|
|
&BlogPost{Title: "Blog Post Title", Content: "This is the content", Views: 3, Multiple: []int{5, 10, 15, 20}},
|
|
},
|
|
}
|
|
|
|
multipartformTests = []testCase{
|
|
{
|
|
"POST",
|
|
path,
|
|
"",
|
|
"multipart/form-data",
|
|
false,
|
|
&BlogPost{Title: "", Content: "This is the content"},
|
|
},
|
|
{
|
|
"POST",
|
|
path,
|
|
"",
|
|
"multipart/form-data",
|
|
false,
|
|
&BlogPost{Title: "Blog Post Title", Views: 3},
|
|
},
|
|
{
|
|
"POST",
|
|
path,
|
|
"",
|
|
"multipart/form-data",
|
|
true,
|
|
&BlogPost{Title: "Blog Post Title", Content: "This is the content", Views: 3, Multiple: []int{5, 10, 15, 20}},
|
|
},
|
|
}
|
|
|
|
emptyPayloadTests = []emptyPayloadTestCase{
|
|
{
|
|
"GET",
|
|
"",
|
|
"",
|
|
"",
|
|
true,
|
|
&BlogSection{},
|
|
},
|
|
{
|
|
"POST",
|
|
"",
|
|
"",
|
|
"",
|
|
true,
|
|
&BlogSection{},
|
|
},
|
|
{
|
|
"PUT",
|
|
"",
|
|
"",
|
|
"",
|
|
true,
|
|
&BlogSection{},
|
|
},
|
|
{
|
|
"DELETE",
|
|
"",
|
|
"",
|
|
"",
|
|
true,
|
|
&BlogSection{},
|
|
},
|
|
}
|
|
|
|
jsonTests = []testCase{
|
|
// bad requests
|
|
{
|
|
"GET",
|
|
"",
|
|
`{blah blah blah}`,
|
|
"",
|
|
false,
|
|
&BlogPost{},
|
|
},
|
|
{
|
|
"POST",
|
|
"",
|
|
`{asdf}`,
|
|
"",
|
|
false,
|
|
&BlogPost{},
|
|
},
|
|
{
|
|
"PUT",
|
|
"",
|
|
`{blah blah blah}`,
|
|
"",
|
|
false,
|
|
&BlogPost{},
|
|
},
|
|
{
|
|
"DELETE",
|
|
"",
|
|
`{;sdf _SDf- }`,
|
|
"",
|
|
false,
|
|
&BlogPost{},
|
|
},
|
|
|
|
// Valid-JSON requests
|
|
{
|
|
"GET",
|
|
"",
|
|
`{"content":"This is the content"}`,
|
|
"",
|
|
false,
|
|
&BlogPost{Title: "", Content: "This is the content"},
|
|
},
|
|
{
|
|
"POST",
|
|
"",
|
|
`{}`,
|
|
"application/json",
|
|
false,
|
|
&BlogPost{Title: "", Content: ""},
|
|
},
|
|
{
|
|
"POST",
|
|
"",
|
|
`{"content":"This is the content", "title":"Blog Post Title"}`,
|
|
"",
|
|
true,
|
|
&BlogPost{Title: "Blog Post Title", Content: "This is the content"},
|
|
},
|
|
{
|
|
"PUT",
|
|
"",
|
|
`{"content":"This is the content", "title":"Blog Post Title"}`,
|
|
"",
|
|
true,
|
|
&BlogPost{Title: "Blog Post Title", Content: "This is the content"},
|
|
},
|
|
{
|
|
"DELETE",
|
|
"",
|
|
`{"content":"This is the content", "title":"Blog Post Title"}`,
|
|
"",
|
|
true,
|
|
&BlogPost{Title: "Blog Post Title", Content: "This is the content"},
|
|
},
|
|
}
|
|
)
|
|
|
|
const (
|
|
route = "/blogposts/create"
|
|
path = "http://localhost:3000" + route
|
|
)
|