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- package imagetype
- import (
- "bytes"
- "io"
- "strings"
- "testing"
- "github.com/stretchr/testify/require"
- "github.com/imgproxy/imgproxy/v3/bufreader"
- )
- type errReader struct{ error }
- func (r errReader) Read(p []byte) (n int, err error) { return 0, r.error }
- func TestSVGDetectSuccess(t *testing.T) {
- r := bufreader.New(strings.NewReader(`<svg xmlns="http://www.w3.org/2000/svg"></svg>`))
- typ, err := IsSVG(r)
- require.NoError(t, err)
- require.Equal(t, SVG, typ)
- r = bufreader.New(strings.NewReader(`<svg:svg xmlns:svg="http://www.w3.org/2000/svg"></svg:svg>`))
- typ, err = IsSVG(r)
- require.NoError(t, err)
- require.Equal(t, SVG, typ)
- }
- func TestSVGDetectNotSvg(t *testing.T) {
- r := bufreader.New(strings.NewReader(`<html><body>Not an SVG</body></html>`))
- typ, err := IsSVG(r)
- require.NoError(t, err)
- require.Equal(t, Unknown, typ)
- r = bufreader.New(strings.NewReader(`<?xml version="1.0" encoding="UTF-8"?><not-svg></not-svg>`))
- typ, err = IsSVG(r)
- require.NoError(t, err)
- require.Equal(t, Unknown, typ)
- r = bufreader.New(strings.NewReader(`<!-- Only comments -->`))
- typ, err = IsSVG(r)
- require.NoError(t, err)
- require.Equal(t, Unknown, typ)
- // Random byte data that does not match SVG
- r = bufreader.New(bytes.NewReader([]byte{0x42, 0x4D, 0x3C, 0x3F, 0x78, 0x6D, 0x6C, 0x20}))
- typ, err = IsSVG(r)
- require.NoError(t, err)
- require.Equal(t, Unknown, typ)
- }
- func TestSVGDetectError(t *testing.T) {
- // Should not return an error for io.EOF
- r := bufreader.New(errReader{error: io.EOF})
- typ, err := IsSVG(r)
- require.NoError(t, err)
- require.Equal(t, Unknown, typ)
- // Should return an error for other read errors
- r = bufreader.New(errReader{error: io.ErrClosedPipe})
- typ, err = IsSVG(r)
- require.ErrorIs(t, err, io.ErrClosedPipe)
- require.Equal(t, Unknown, typ)
- }
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