40 lines
871 B
Go
40 lines
871 B
Go
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package xgif
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import (
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"bytes"
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_ "embed"
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"image/png"
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"testing"
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"github.com/stretchr/testify/assert"
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"oss.terrastruct.com/util-go/go2"
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)
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//go:embed test_input1.png
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var test_input1 []byte
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//go:embed test_input2.png
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var test_input2 []byte
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//go:embed test_output.gif
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var test_output []byte
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func TestPngToGif(t *testing.T) {
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board1, err := png.Decode(bytes.NewBuffer(test_input1))
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assert.NoError(t, err)
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gifWidth := board1.Bounds().Dx()
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gifHeight := board1.Bounds().Dy()
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board2, err := png.Decode(bytes.NewBuffer(test_input2))
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assert.NoError(t, err)
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gifWidth = go2.Max(board2.Bounds().Dx(), gifWidth)
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gifHeight = go2.Max(board2.Bounds().Dy(), gifHeight)
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boards := [][]byte{test_input1, test_input2}
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interval := 1_000
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gifBytes, err := AnimatePNGs(boards, gifWidth, gifHeight, interval)
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assert.NoError(t, err)
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assert.Equal(t, test_output, gifBytes)
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}
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