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"
"reflect"
"strings"
"testing"
"gitea.com/lunny/tango"
. "github.com/smartystreets/goconvey/convey"
)
// When binding from Form data, testing the type of data to bind
// and converting a string into that type is tedious, so these tests
// cover all those cases.
func Test_SetWithProperType(t *testing.T) {
Convey("Set with proper type", t, func() {
testInputs := map[string]string{
"successful": `integer=-1&integer8=-8&integer16=-16&integer32=-32&integer64=-64&uinteger=1&uinteger8=8&uinteger16=16&uinteger32=32&uinteger64=64&boolean_1=true&fl32_1=32.3232&fl64_1=-64.6464646464&str=string`,
"errorful": `integer=&integer8=asdf&integer16=--&integer32=&integer64=dsf&uinteger=&uinteger8=asdf&uinteger16=+&uinteger32= 32 &uinteger64=+%20+&boolean_1=&boolean_2=asdf&fl32_1=asdf&fl32_2=&fl64_1=&fl64_2=asdfstr`,
}
expectedOutputs := map[string]Everything{
"successful": Everything{
Integer: -1,
Integer8: -8,
Integer16: -16,
Integer32: -32,
Integer64: -64,
Uinteger: 1,
Uinteger8: 8,
Uinteger16: 16,
Uinteger32: 32,
Uinteger64: 64,
Boolean_1: true,
Fl32_1: 32.3232,
Fl64_1: -64.6464646464,
Str: "string",
},
"errorful": Everything{},
}
for key, testCase := range testInputs {
httpRecorder := httptest.NewRecorder()
m := tango.Classic()
m.Use(Bind())
obj = &Everything{}
m.Post(testRoute, new(FormAction))
req, err := http.NewRequest("POST", testRoute, strings.NewReader(testCase))
if err != nil {
panic(err)
}
req.Header.Set("Content-Type", formContentType)
m.ServeHTTP(httpRecorder, req)
So(fmt.Sprintf("%+v", reflect.ValueOf(obj).Elem().Interface()), ShouldEqual, fmt.Sprintf("%+v", expectedOutputs[key]))
}
})
}
// Each binder middleware should assert that the struct passed in is not
// a pointer (to avoid race conditions)
func Test_EnsureNotPointer(t *testing.T) {
Convey("Ensure field is not a pointer", t, func() {
shouldPanic := func() {
defer func() {
So(recover(), ShouldNotBeNil)
}()
ensureNotPointer(&Post{})
}
shouldNotPanic := func() {
defer func() {
So(recover(), ShouldBeNil)
}()
ensureNotPointer(Post{})
}
shouldPanic()
shouldNotPanic()
})
}
// Used in testing setWithProperType; kind of clunky...
type Everything struct {
Integer int `form:"integer"`
Integer8 int8 `form:"integer8"`
Integer16 int16 `form:"integer16"`
Integer32 int32 `form:"integer32"`
Integer64 int64 `form:"integer64"`
Uinteger uint `form:"uinteger"`
Uinteger8 uint8 `form:"uinteger8"`
Uinteger16 uint16 `form:"uinteger16"`
Uinteger32 uint32 `form:"uinteger32"`
Uinteger64 uint64 `form:"uinteger64"`
Boolean_1 bool `form:"boolean_1"`
Boolean_2 bool `form:"boolean_2"`
Fl32_1 float32 `form:"fl32_1"`
Fl32_2 float32 `form:"fl32_2"`
Fl64_1 float64 `form:"fl64_1"`
Fl64_2 float64 `form:"fl64_2"`
Str string `form:"str"`
}