Adds GetQuery() and GetPostForm() APIs

context.go

@@ -191,14 +191,14 @@ func (c *Context) MustGet(key string) interface{} {
 // c.Query("name") == "Manu"
 // c.Query("wtf") == ""
 func (c *Context) Query(key string) string {
-	value, _ := c.query(key)
+	value, _ := c.GetQuery(key)
 	return value
 }
 
 // PostForm is a shortcut for c.Request.PostFormValue(key)
 // It returns an empty string ("") when the value does not exist.
 func (c *Context) PostForm(key string) string {
-	value, _ := c.postForm(key)
+	value, _ := c.GetPostForm(key)
 	return value
 }
 
@@ -213,7 +213,7 @@ func (c *Context) Param(key string) string {
 }
 
 func (c *Context) DefaultPostForm(key, defaultValue string) string {
-	if value, ok := c.postForm(key); ok {
+	if value, ok := c.GetPostForm(key); ok {
 		return value
 	}
 	return defaultValue
@@ -225,13 +225,13 @@ func (c *Context) DefaultPostForm(key, defaultValue string) string {
 // 		c.DefaultQuery("name", "unknown") == "Manu"
 // 		c.DefaultQuery("id", "none") == "none"
 func (c *Context) DefaultQuery(key, defaultValue string) string {
-	if value, ok := c.query(key); ok {
+	if value, ok := c.GetQuery(key); ok {
 		return value
 	}
 	return defaultValue
 }
 
-func (c *Context) query(key string) (string, bool) {
+func (c *Context) GetQuery(key string) (string, bool) {
 	req := c.Request
 	if values, ok := req.URL.Query()[key]; ok && len(values) > 0 {
 		return values[0], true
@@ -239,7 +239,7 @@ func (c *Context) query(key string) (string, bool) {
 	return "", false
 }
 
-func (c *Context) postForm(key string) (string, bool) {
+func (c *Context) GetPostForm(key string) (string, bool) {
 	req := c.Request
 	req.ParseMultipartForm(32 << 20) // 32 MB
 	if values := req.PostForm[key]; len(values) > 0 {

context_test.go

@@ -33,10 +33,11 @@ func createMultipartRequest() *http.Request {
 
 	must(mw.SetBoundary(boundary))
 	must(mw.WriteField("foo", "bar"))
-	must(mw.WriteField("bar", "foo"))
+	must(mw.WriteField("bar", "10"))
 	must(mw.WriteField("bar", "foo2"))
 	must(mw.WriteField("array", "first"))
 	must(mw.WriteField("array", "second"))
+	must(mw.WriteField("id", ""))
 	req, err := http.NewRequest("POST", "/", body)
 	must(err)
 	req.Header.Set("Content-Type", MIMEMultipartPOSTForm+"; boundary="+boundary)
@@ -162,24 +163,42 @@ func handlerNameTest(c *Context) {
 
 func TestContextQuery(t *testing.T) {
 	c, _, _ := CreateTestContext()
-	c.Request, _ = http.NewRequest("GET", "http://example.com/?foo=bar&page=10", nil)
+	c.Request, _ = http.NewRequest("GET", "http://example.com/?foo=bar&page=10&id=", nil)
 
+	value, ok := c.GetQuery("foo")
+	assert.True(t, ok)
+	assert.Equal(t, value, "bar")
 	assert.Equal(t, c.DefaultQuery("foo", "none"), "bar")
 	assert.Equal(t, c.Query("foo"), "bar")
-	assert.Empty(t, c.PostForm("foo"))
 
+	value, ok = c.GetQuery("page")
+	assert.True(t, ok)
+	assert.Equal(t, value, "10")
 	assert.Equal(t, c.DefaultQuery("page", "0"), "10")
 	assert.Equal(t, c.Query("page"), "10")
-	assert.Empty(t, c.PostForm("page"))
 
+	value, ok = c.GetQuery("id")
+	assert.True(t, ok)
+	assert.Empty(t, value)
+	assert.Equal(t, c.DefaultQuery("id", "nada"), "")
+	assert.Empty(t, c.Query("id"))
+
+	value, ok = c.GetQuery("NoKey")
+	assert.False(t, ok)
+	assert.Empty(t, value)
 	assert.Equal(t, c.DefaultQuery("NoKey", "nada"), "nada")
 	assert.Empty(t, c.Query("NoKey"))
-	assert.Empty(t, c.PostForm("NoKey"))
+
+	// postform should not mess
+	value, ok = c.GetPostForm("page")
+	assert.False(t, ok)
+	assert.Empty(t, value)
+	assert.Empty(t, c.PostForm("foo"))
 }
 
 func TestContextQueryAndPostForm(t *testing.T) {
 	c, _, _ := CreateTestContext()
-	body := bytes.NewBufferString("foo=bar&page=11&both=POST&foo=second")
+	body := bytes.NewBufferString("foo=bar&page=11&both=&foo=second")
 	c.Request, _ = http.NewRequest("POST", "/?both=GET&id=main&id=omit&array[]=first&array[]=second", body)
 	c.Request.Header.Add("Content-Type", MIMEPOSTForm)
 
@@ -187,33 +206,50 @@ func TestContextQueryAndPostForm(t *testing.T) {
 	assert.Equal(t, c.PostForm("foo"), "bar")
 	assert.Empty(t, c.Query("foo"))
 
+	value, ok := c.GetPostForm("page")
+	assert.True(t, ok)
+	assert.Equal(t, value, "11")
 	assert.Equal(t, c.DefaultPostForm("page", "0"), "11")
 	assert.Equal(t, c.PostForm("page"), "11")
 	assert.Equal(t, c.Query("page"), "")
 
-	assert.Equal(t, c.PostForm("both"), "POST")
+	value, ok = c.GetPostForm("both")
+	assert.True(t, ok)
+	assert.Empty(t, value)
+	assert.Empty(t, c.PostForm("both"))
+	assert.Equal(t, c.DefaultPostForm("both", "nothing"), "")
 	assert.Equal(t, c.Query("both"), "GET")
 
+	value, ok = c.GetQuery("id")
+	assert.True(t, ok)
+	assert.Equal(t, value, "main")
 	assert.Equal(t, c.DefaultPostForm("id", "000"), "000")
 	assert.Equal(t, c.Query("id"), "main")
 	assert.Empty(t, c.PostForm("id"))
 
+	value, ok = c.GetQuery("NoKey")
+	assert.False(t, ok)
+	assert.Empty(t, value)
+	value, ok = c.GetPostForm("NoKey")
+	assert.False(t, ok)
+	assert.Empty(t, value)
 	assert.Equal(t, c.DefaultPostForm("NoKey", "nada"), "nada")
+	assert.Equal(t, c.DefaultQuery("NoKey", "nothing"), "nothing")
 	assert.Empty(t, c.PostForm("NoKey"))
 	assert.Empty(t, c.Query("NoKey"))
 
 	var obj struct {
 		Foo   string   `form:"foo"`
 		ID    string   `form:"id"`
-		Page  string   `form:"page"`
+		Page  int      `form:"page"`
 		Both  string   `form:"both"`
 		Array []string `form:"array[]"`
 	}
 	assert.NoError(t, c.Bind(&obj))
 	assert.Equal(t, obj.Foo, "bar")
 	assert.Equal(t, obj.ID, "main")
-	assert.Equal(t, obj.Page, "11")
-	assert.Equal(t, obj.Both, "POST")
+	assert.Equal(t, obj.Page, 11)
+	assert.Equal(t, obj.Both, "")
 	assert.Equal(t, obj.Array, []string{"first", "second"})
 }
 
@@ -222,20 +258,47 @@ func TestContextPostFormMultipart(t *testing.T) {
 	c.Request = createMultipartRequest()
 
 	var obj struct {
-		Foo   string   `form:"foo"`
-		Bar   string   `form:"bar"`
-		Array []string `form:"array"`
+		Foo      string   `form:"foo"`
+		Bar      string   `form:"bar"`
+		BarAsInt int      `form:"bar"`
+		Array    []string `form:"array"`
+		Id       string   `form:"id"`
 	}
 	assert.NoError(t, c.Bind(&obj))
-	assert.Equal(t, obj.Bar, "foo")
 	assert.Equal(t, obj.Foo, "bar")
+	assert.Equal(t, obj.Bar, "10")
+	assert.Equal(t, obj.BarAsInt, 10)
 	assert.Equal(t, obj.Array, []string{"first", "second"})
+	assert.Equal(t, obj.Id, "")
 
-	assert.Empty(t, c.Query("foo"))
+	value, ok := c.GetQuery("foo")
+	assert.False(t, ok)
+	assert.Empty(t, value)
 	assert.Empty(t, c.Query("bar"))
+	assert.Equal(t, c.DefaultQuery("id", "nothing"), "nothing")
+
+	value, ok = c.GetPostForm("foo")
+	assert.True(t, ok)
+	assert.Equal(t, value, "bar")
 	assert.Equal(t, c.PostForm("foo"), "bar")
+
+	value, ok = c.GetPostForm("array")
+	assert.True(t, ok)
+	assert.Equal(t, value, "first")
 	assert.Equal(t, c.PostForm("array"), "first")
-	assert.Equal(t, c.PostForm("bar"), "foo")
+
+	assert.Equal(t, c.DefaultPostForm("bar", "nothing"), "10")
+
+	value, ok = c.GetPostForm("id")
+	assert.True(t, ok)
+	assert.Empty(t, value)
+	assert.Empty(t, c.PostForm("id"))
+	assert.Empty(t, c.DefaultPostForm("id", "nothing"))
+
+	value, ok = c.GetPostForm("nokey")
+	assert.False(t, ok)
+	assert.Empty(t, value)
+	assert.Equal(t, c.DefaultPostForm("nokey", "nothing"), "nothing")
 }
 
 func TestContextSetCookie(t *testing.T) {