Binding middleware for tango
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// Copyright 2014 martini-contrib/binding Authors
// Copyright 2014 Unknwon
//
// Licensed under the Apache License, Version 2.0 (the "License"): you may
// not use this file except in compliance with the License. You may obtain
// a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations
// under the License.
package binding
import (
"fmt"
"net/http"
"net/http/httptest"
"testing"
"gitea.com/lunny/tango"
. "github.com/smartystreets/goconvey/convey"
)
var validationTestCases = []validationTestCase{
{
description: "No errors",
data: BlogPost{
Id: 1,
Post: Post{
Title: "Behold The Title!",
Content: "And some content",
},
Author: Person{
Name: "Matt Holt",
},
},
expectedErrors: Errors{},
},
{
description: "ID required",
data: BlogPost{
Post: Post{
Title: "Behold The Title!",
Content: "And some content",
},
Author: Person{
Name: "Matt Holt",
},
},
expectedErrors: Errors{
Error{
FieldNames: []string{"id"},
Classification: ERR_REQUIRED,
Message: "Required",
},
},
},
{
description: "Embedded struct field required",
data: BlogPost{
Id: 1,
Post: Post{
Content: "Content given, but title is required",
},
Author: Person{
Name: "Matt Holt",
},
},
expectedErrors: Errors{
Error{
FieldNames: []string{"title"},
Classification: ERR_REQUIRED,
Message: "Required",
},
/*Error{
FieldNames: []string{"title"},
Classification: "LengthError",
Message: "Life is too short",
},*/
},
},
{
description: "Nested struct field required",
data: BlogPost{
Id: 1,
Post: Post{
Title: "Behold The Title!",
Content: "And some content",
},
},
expectedErrors: Errors{
Error{
FieldNames: []string{"name"},
Classification: ERR_REQUIRED,
Message: "Required",
},
},
},
{
description: "Required field missing in nested struct pointer",
data: BlogPost{
Id: 1,
Post: Post{
Title: "Behold The Title!",
Content: "And some content",
},
Author: Person{
Name: "Matt Holt",
},
Coauthor: &Person{},
},
expectedErrors: Errors{
Error{
FieldNames: []string{"name"},
Classification: ERR_REQUIRED,
Message: "Required",
},
},
},
{
description: "All required fields specified in nested struct pointer",
data: BlogPost{
Id: 1,
Post: Post{
Title: "Behold The Title!",
Content: "And some content",
},
Author: Person{
Name: "Matt Holt",
},
Coauthor: &Person{
Name: "Jeremy Saenz",
},
},
expectedErrors: Errors{},
},
{
description: "Custom validation should put an error",
data: BlogPost{
Id: 1,
Post: Post{
Title: "Too short",
Content: "And some content",
},
Author: Person{
Name: "Matt Holt",
},
},
expectedErrors: Errors{
/*Error{
FieldNames: []string{"title"},
Classification: "LengthError",
Message: "Life is too short",
},*/
},
},
{
description: "List Validation",
data: []BlogPost{
BlogPost{
Id: 1,
Post: Post{
Title: "First Post",
Content: "And some content",
},
Author: Person{
Name: "Leeor Aharon",
},
},
BlogPost{
Id: 2,
Post: Post{
Title: "Second Post",
Content: "And some content",
},
Author: Person{
Name: "Leeor Aharon",
},
},
},
expectedErrors: Errors{},
},
{
description: "List Validation w/ Errors",
data: []BlogPost{
BlogPost{
Id: 1,
Post: Post{
Title: "First Post",
Content: "And some content",
},
Author: Person{
Name: "Leeor Aharon",
},
},
BlogPost{
Id: 2,
Post: Post{
Title: "Too Short",
Content: "And some content",
},
Author: Person{
Name: "Leeor Aharon",
},
},
},
expectedErrors: Errors{
/*Error{
FieldNames: []string{"title"},
Classification: "LengthError",
Message: "Life is too short",
},*/
},
},
{
description: "List of invalid custom validations",
data: []SadForm{
SadForm{
AlphaDash: ",",
AlphaDashDot: ",",
MinSize: ",",
MinSizeSlice: []string{",", ","},
MaxSize: ",,",
MaxSizeSlice: []string{",", ","},
Range: 3,
Email: ",",
Url: ",",
UrlEmpty: "",
InInvalid: "4",
NotIn: "1",
Include: "def",
Exclude: "abc",
},
},
expectedErrors: Errors{
Error{
FieldNames: []string{"AlphaDash"},
Classification: "AlphaDashError",
Message: "AlphaDash",
},
Error{
FieldNames: []string{"AlphaDashDot"},
Classification: "AlphaDashDot",
Message: "AlphaDashDot",
},
Error{
FieldNames: []string{"MinSize"},
Classification: "MinSize",
Message: "MinSize",
},
Error{
FieldNames: []string{"MinSize"},
Classification: "MinSize",
Message: "MinSize",
},
Error{
FieldNames: []string{"MaxSize"},
Classification: "MaxSize",
Message: "MaxSize",
},
Error{
FieldNames: []string{"MaxSize"},
Classification: "MaxSize",
Message: "MaxSize",
},
Error{
FieldNames: []string{"Range"},
Classification: "Range",
Message: "Range",
},
Error{
FieldNames: []string{"Email"},
Classification: "Email",
Message: "Email",
},
Error{
FieldNames: []string{"Url"},
Classification: "Url",
Message: "Url",
},
Error{
FieldNames: []string{"Default"},
Classification: "Default",
Message: "Default",
},
Error{
FieldNames: []string{"InInvalid"},
Classification: "In",
Message: "In",
},
Error{
FieldNames: []string{"NotIn"},
Classification: "NotIn",
Message: "NotIn",
},
Error{
FieldNames: []string{"Include"},
Classification: "Include",
Message: "Include",
},
Error{
FieldNames: []string{"Exclude"},
Classification: "Exclude",
Message: "Exclude",
},
},
},
{
description: "List of valid custom validations",
data: []SadForm{
SadForm{
AlphaDash: "123-456",
AlphaDashDot: "123.456",
MinSize: "12345",
MinSizeSlice: []string{"1", "2", "3", "4", "5"},
MaxSize: "1",
MaxSizeSlice: []string{"1"},
Range: 2,
In: "1",
InInvalid: "1",
Email: "123@456.com",
Url: "http://123.456",
Include: "abc",
},
},
},
}
func Test_Validation(t *testing.T) {
Convey("Test validation", t, func() {
for _, testCase := range validationTestCases {
performValidationTest(t, testCase)
}
})
}
var obj interface{}
var errors Errors
type ValidateAction struct {
Binder
}
func (v ValidateAction) Post() error {
errors = v.Validate(obj)
if errors.Len() > 0 {
return fmt.Errorf("%+v", errors)
}
return nil
}
func performValidationTest(t *testing.T, testCase validationTestCase) {
httpRecorder := httptest.NewRecorder()
m := tango.Classic()
m.Use(Bind())
obj = testCase.data
m.Post(testRoute, new(ValidateAction))
req, err := http.NewRequest("POST", testRoute, nil)
if err != nil {
panic(err)
}
m.ServeHTTP(httpRecorder, req)
switch httpRecorder.Code {
case http.StatusNotFound:
if testCase.expectedErrors.Len() == 0 {
panic("Routing is messed up in test fixture (got 404): check methods and paths")
}
case http.StatusInternalServerError:
if testCase.expectedErrors.Len() == 0 {
panic("Something bad happened on '" + testCase.description + "'")
}
}
So(fmt.Sprintf("%+v", errors), ShouldEqual, fmt.Sprintf("%+v", testCase.expectedErrors))
}
type (
validationTestCase struct {
description string
data interface{}
expectedErrors Errors
}
)