func TestGetCodecForResponding_DefaultCodec(t *testing.T) {
service := NewWebCodecService()
var codec codecs.Codec
codec, _ = service.GetCodecForResponding("", "", false)
if assert.NotNil(t, codec, "Return of GetCodecForAcceptStringOrExtension should default to JSON") {
assert.Equal(t, constants.ContentTypeJSON, codec.ContentType(), "Should default to JSON")
}
}
func TestGetCodec(t *testing.T) {
service := NewWebCodecService()
var codec codecs.Codec
codec, _ = service.GetCodec(constants.ContentTypeJSON)
if assert.NotNil(t, codec, "Json should exist") {
assert.Equal(t, constants.ContentTypeJSON, codec.ContentType(), "ContentTypeJson")
}
// case insensitivity
codec, _ = service.GetCodec(strings.ToUpper(constants.ContentTypeJSON))
if assert.NotNil(t, codec, "Content case should not matter") {
assert.Equal(t, constants.ContentTypeJSON, codec.ContentType(), "ContentTypeJson")
}
// with noise
codec, _ = service.GetCodec(fmt.Sprintf("%s; charset=UTF-8", constants.ContentTypeJSON))
if assert.NotNil(t, codec, "charset in Content-Type should not matter") {
assert.Equal(t, constants.ContentTypeJSON, codec.ContentType(), "ContentTypeJson")
}
// default
codec, _ = service.GetCodec("")
if assert.NotNil(t, codec, "Empty contentType string should assume JSON") {
assert.Equal(t, constants.ContentTypeJSON, codec.ContentType(), "Should assume JSON.")
}
}
func TestGetCodecForResponding(t *testing.T) {
service := NewWebCodecService()
var codec codecs.Codec
// JSON - accept header
codec, _ = service.GetCodecForResponding("something/something,application/json,text/xml", "", false)
if assert.NotNil(t, codec, "Return of GetCodecForAcceptStringOrExtension") {
assert.Equal(t, constants.ContentTypeJSON, codec.ContentType(), "ContentTypeJson 1")
}
// JSON - accept header (case)
codec, _ = service.GetCodecForResponding("something/something,application/JSON,text/xml", "", false)
if assert.NotNil(t, codec, "Case should not matter") {
assert.Equal(t, constants.ContentTypeJSON, codec.ContentType(), "Case should not matter")
}
// JSON - file extension
codec, _ = service.GetCodecForResponding("", constants.FileExtensionJSON, false)
if assert.NotNil(t, codec, "Return of GetCodecForAcceptStringOrExtension") {
assert.Equal(t, constants.ContentTypeJSON, codec.ContentType(), "ContentTypeJson")
}
// JSONP - has callback
codec, _ = service.GetCodecForResponding("", "", true)
if assert.NotNil(t, codec, "Should return the first codec that can handle a callback") {
assert.Equal(t, constants.ContentTypeJSONP, codec.ContentType(), "ContentTypeJavaScript")
}
// JSONP - file extension
codec, _ = service.GetCodecForResponding("", constants.FileExtensionJSONP, false)
if assert.NotNil(t, codec, "Return of GetCodecForAcceptStringOrExtension") {
assert.Equal(t, constants.ContentTypeJSONP, codec.ContentType(), "ContentTypeJavaScript")
}
// JSONP - file extension (case)
codec, _ = service.GetCodecForResponding("", strings.ToUpper(constants.FileExtensionJSONP), false)
if assert.NotNil(t, codec, "Return of GetCodecForAcceptStringOrExtension") {
assert.Equal(t, constants.ContentTypeJSONP, codec.ContentType(), "ContentTypeJavaScript 4")
}
// JSONP - Accept header
codec, _ = service.GetCodecForResponding("something/something,text/javascript,text/xml", "", false)
if assert.NotNil(t, codec, "Return of GetCodecForAcceptStringOrExtension") {
assert.Equal(t, constants.ContentTypeJSONP, codec.ContentType(), "ContentTypeJavaScript 5")
}
// hasCallback takes precedence over everything else
codec, _ = service.GetCodecForResponding(constants.ContentTypeJSON, constants.FileExtensionXML, true)
if assert.NotNil(t, codec, "Return of GetCodecForAcceptStringOrExtension") {
assert.Equal(t, constants.ContentTypeJSONP, codec.ContentType(), "HasCallback takes precedence over all")
}
// File extension takes precedence over accept header
codec, _ = service.GetCodecForResponding(constants.ContentTypeJSON, constants.FileExtensionXML, false)
if assert.NotNil(t, codec, "Return of GetCodecForAcceptStringOrExtension") {
assert.Equal(t, constants.ContentTypeXML, codec.ContentType(), "Extension takes precedence over accept")
}
}