git.giacomolli.uk - onechat/blob - image_helper_test.go

   1 package main
   2
   3 import (
   4         "bytes"
   5         "image"
   6         "image/color"
   7         "image/png"
   8         "testing"
   9
  10         "github.com/stretchr/testify/require"
  11 )
  12
  13 func imageTestPNG(t *testing.T, width, height int) []byte {
  14         t.Helper()
  15
  16         picture := image.NewRGBA(image.Rect(0, 0, width, height))
  17         picture.Set(0, 0, color.RGBA{
  18                 R: 255,
  19                 A: 255,
  20         })
  21
  22         var data bytes.Buffer
  23
  24         require.NoError(t, png.Encode(&data, picture))
  25
  26         return data.Bytes()
  27 }