status-go/protocol/message_test.go

package protocol

import (
	"io/ioutil"
	"os"
	"testing"

	"github.com/stretchr/testify/require"

	"github.com/status-im/status-go/protocol/protobuf"
)

const expectedJPEG = "data:image/jpeg;base64,/9j/2wBDAAMCAgICAgMCAgIDAwMDBAYEBAQEBAgGBgUGCQgKCgkICQkKDA8MCgsOCwkJDRENDg8QEBEQCgwSExIQEw8QEBD/yQALCAABAAEBAREA/8wABgAQEAX/2gAIAQEAAD8A0s8g/9k="

func TestPrepareContentImage(t *testing.T) {
	file, err := os.Open("../_assets/tests/test.jpg")
	require.NoError(t, err)
	defer file.Close()

	payload, err := ioutil.ReadAll(file)
	require.NoError(t, err)

	message := &Message{}
	message.ContentType = protobuf.ChatMessage_IMAGE
	image := protobuf.ImageMessage{
		Payload: payload,
		Type:    protobuf.ImageMessage_JPEG,
	}
	message.Payload = &protobuf.ChatMessage_Image{Image: &image}

	require.NoError(t, message.PrepareContent())
	require.Equal(t, message.Base64Image, expectedJPEG)
}

func TestGetImageMessageMIME(t *testing.T) {
	jpeg := &protobuf.ImageMessage{Type: protobuf.ImageMessage_JPEG}
	mime, err := getImageMessageMIME(jpeg)
	require.NoError(t, err)
	require.Equal(t, "jpeg", mime)

	png := &protobuf.ImageMessage{Type: protobuf.ImageMessage_PNG}
	mime, err = getImageMessageMIME(png)
	require.NoError(t, err)
	require.Equal(t, "png", mime)

	webp := &protobuf.ImageMessage{Type: protobuf.ImageMessage_WEBP}
	mime, err = getImageMessageMIME(webp)
	require.NoError(t, err)
	require.Equal(t, "webp", mime)

	gif := &protobuf.ImageMessage{Type: protobuf.ImageMessage_GIF}
	mime, err = getImageMessageMIME(gif)
	require.NoError(t, err)
	require.Equal(t, "gif", mime)

	unknown := &protobuf.ImageMessage{Type: protobuf.ImageMessage_UNKNOWN_IMAGE_TYPE}
	_, err = getImageMessageMIME(unknown)
	require.Error(t, err)
}