Fixed 2456 and strengthen bind

context/input.go

@@ -413,7 +413,13 @@ func (input *BeegoInput) Bind(dest interface{}, key string) error {
 	if !value.CanSet() {
 		return errors.New("beego: non-settable variable passed to Bind: " + key)
 	}
-	rv := input.bind(key, value.Type())
+	typ := value.Type()
+	// Get real type if dest define with interface{}.
+	// e.g  var dest interface{} dest=1.0
+	if value.Kind() == reflect.Interface {
+		typ = value.Elem().Type()
+	}
+	rv := input.bind(key, typ)
 	if !rv.IsValid() {
 		return errors.New("beego: reflect value is empty")
 	}
@@ -422,6 +428,9 @@ func (input *BeegoInput) Bind(dest interface{}, key string) error {
 }
 
 func (input *BeegoInput) bind(key string, typ reflect.Type) reflect.Value {
+	if input.Context.Request.Form == nil {
+		input.Context.Request.ParseForm()
+	}
 	rv := reflect.Zero(typ)
 	switch typ.Kind() {
 	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:

context/input_test.go

@@ -15,81 +15,97 @@
 package context
 
 import (
-	"fmt"
 	"net/http"
 	"net/http/httptest"
 	"reflect"
 	"testing"
 )
 
-func TestParse(t *testing.T) {
-	r, _ := http.NewRequest("GET", "/?id=123&isok=true&ft=1.2&ol[0]=1&ol[1]=2&ul[]=str&ul[]=array&user.Name=astaxie", nil)
-	beegoInput := NewInput()
-	beegoInput.Context = NewContext()
-	beegoInput.Context.Reset(httptest.NewRecorder(), r)
-	beegoInput.ParseFormOrMulitForm(1 << 20)
-
-	var id int
-	err := beegoInput.Bind(&id, "id")
-	if id != 123 || err != nil {
-		t.Fatal("id should has int value")
-	}
-	fmt.Println(id)
-
-	var isok bool
-	err = beegoInput.Bind(&isok, "isok")
-	if !isok || err != nil {
-		t.Fatal("isok should be true")
-	}
-	fmt.Println(isok)
-
-	var float float64
-	err = beegoInput.Bind(&float, "ft")
-	if float != 1.2 || err != nil {
-		t.Fatal("float should be equal to 1.2")
-	}
-	fmt.Println(float)
-
-	ol := make([]int, 0, 2)
-	err = beegoInput.Bind(&ol, "ol")
-	if len(ol) != 2 || err != nil || ol[0] != 1 || ol[1] != 2 {
-		t.Fatal("ol should has two elements")
-	}
-	fmt.Println(ol)
-
-	ul := make([]string, 0, 2)
-	err = beegoInput.Bind(&ul, "ul")
-	if len(ul) != 2 || err != nil || ul[0] != "str" || ul[1] != "array" {
-		t.Fatal("ul should has two elements")
-	}
-	fmt.Println(ul)
-
-	type User struct {
-		Name string
-	}
-	user := User{}
-	err = beegoInput.Bind(&user, "user")
-	if err != nil || user.Name != "astaxie" {
-		t.Fatal("user should has name")
-	}
-	fmt.Println(user)
-}
+func TestBind(t *testing.T) {
+	type testItem struct {
+		field string
+		empty interface{}
+		want  interface{}
+	}
+	type Human struct {
+		ID   int
+		Nick string
+		Pwd  string
+		Ms   bool
+	}
+
+	cases := []struct {
+		request string
+		valueGp []testItem
+	}{
+		{"/?p=str", []testItem{{"p", interface{}(""), interface{}("str")}}},
+
+		{"/?p=", []testItem{{"p", "", ""}}},
+		{"/?p=str", []testItem{{"p", "", "str"}}},
+
+		{"/?p=123", []testItem{{"p", 0, 123}}},
+		{"/?p=123", []testItem{{"p", uint(0), uint(123)}}},
+
+		{"/?p=1.0", []testItem{{"p", 0.0, 1.0}}},
+		{"/?p=1", []testItem{{"p", false, true}}},
+
+		{"/?p=true", []testItem{{"p", false, true}}},
+		{"/?p=ON", []testItem{{"p", false, true}}},
+		{"/?p=on", []testItem{{"p", false, true}}},
+		{"/?p=1", []testItem{{"p", false, true}}},
+		{"/?p=2", []testItem{{"p", false, false}}},
+		{"/?p=false", []testItem{{"p", false, false}}},
+
+		{"/?p[a]=1&p[b]=2&p[c]=3", []testItem{{"p", map[string]int{}, map[string]int{"a": 1, "b": 2, "c": 3}}}},
+		{"/?p[a]=v1&p[b]=v2&p[c]=v3", []testItem{{"p", map[string]string{}, map[string]string{"a": "v1", "b": "v2", "c": "v3"}}}},
+
+		{"/?p[]=8&p[]=9&p[]=10", []testItem{{"p", []int{}, []int{8, 9, 10}}}},
+		{"/?p[0]=8&p[1]=9&p[2]=10", []testItem{{"p", []int{}, []int{8, 9, 10}}}},
+		{"/?p[0]=8&p[1]=9&p[2]=10&p[5]=14", []testItem{{"p", []int{}, []int{8, 9, 10, 0, 0, 14}}}},
+		{"/?p[0]=8.0&p[1]=9.0&p[2]=10.0", []testItem{{"p", []float64{}, []float64{8.0, 9.0, 10.0}}}},
+
+		{"/?p[]=10&p[]=9&p[]=8", []testItem{{"p", []string{}, []string{"10", "9", "8"}}}},
+		{"/?p[0]=8&p[1]=9&p[2]=10", []testItem{{"p", []string{}, []string{"8", "9", "10"}}}},
+
+		{"/?p[0]=true&p[1]=false&p[2]=true&p[5]=1&p[6]=ON&p[7]=other", []testItem{{"p", []bool{}, []bool{true, false, true, false, false, true, true, false}}}},
+
+		{"/?human.Nick=astaxie", []testItem{{"human", Human{}, Human{Nick: "astaxie"}}}},
+		{"/?human.ID=888&human.Nick=astaxie&human.Ms=true&human[Pwd]=pass", []testItem{{"human", Human{}, Human{ID: 888, Nick: "astaxie", Ms: true, Pwd: "pass"}}}},
+		{"/?human[0].ID=888&human[0].Nick=astaxie&human[0].Ms=true&human[0][Pwd]=pass01&human[1].ID=999&human[1].Nick=ysqi&human[1].Ms=On&human[1].Pwd=pass02",
+			[]testItem{{"human", []Human{}, []Human{
+				Human{ID: 888, Nick: "astaxie", Ms: true, Pwd: "pass01"},
+				Human{ID: 999, Nick: "ysqi", Ms: true, Pwd: "pass02"},
+			}}}},
+
+		{
+			"/?id=123&isok=true&ft=1.2&ol[0]=1&ol[1]=2&ul[]=str&ul[]=array&human.Nick=astaxie",
+			[]testItem{
+				{"id", 0, 123},
+				{"isok", false, true},
+				{"ft", 0.0, 1.2},
+				{"ol", []int{}, []int{1, 2}},
+				{"ul", []string{}, []string{"str", "array"}},
+				{"human", Human{}, Human{Nick: "astaxie"}},
+			},
+		},
+	}
+	for _, c := range cases {
+		r, _ := http.NewRequest("GET", c.request, nil)
+		beegoInput := NewInput()
+		beegoInput.Context = NewContext()
+		beegoInput.Context.Reset(httptest.NewRecorder(), r)
+
+		for _, item := range c.valueGp {
+			got := item.empty
+			err := beegoInput.Bind(&got, item.field)
+			if err != nil {
+				t.Fatal(err)
+			}
+			if !reflect.DeepEqual(got, item.want) {
+				t.Fatalf("Bind %q error,should be:\n%#v \ngot:\n%#v", item.field, item.want, got)
+			}
+		}
 
-func TestParse2(t *testing.T) {
-	r, _ := http.NewRequest("GET", "/?user[0][Username]=Raph&user[1].Username=Leo&user[0].Password=123456&user[1][Password]=654321", nil)
-	beegoInput := NewInput()
-	beegoInput.Context = NewContext()
-	beegoInput.Context.Reset(httptest.NewRecorder(), r)
-	beegoInput.ParseFormOrMulitForm(1 << 20)
-	type User struct {
-		Username string
-		Password string
-	}
-	var users []User
-	err := beegoInput.Bind(&users, "user")
-	fmt.Println(users)
-	if err != nil || users[0].Username != "Raph" || users[0].Password != "123456" || users[1].Username != "Leo" || users[1].Password != "654321" {
-		t.Fatal("users info wrong")
 	}
 }