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package main
import (
"bytes"
"image"
"os"
"testing"
"github.com/stretchr/testify/require"
)
func Test_encode(t *testing.T) {
w := &bytes.Buffer{}
testFile := "../../testdata/image.png"
r, err := os.Open(testFile)
require.NoError(t, err)
err = encode("50", r, w)
require.NoError(t, err)
config, format, err := image.DecodeConfig(w)
require.NoError(t, err)
require.Equal(t, 46, config.Height)
require.Equal(t, 50, config.Width)
require.Equal(t, "png", format)
}
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