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package oggreader
import (
"bytes"
"io"
"testing"
"github.com/stretchr/testify/assert"
)
// buildOggFile generates a valid oggfile that can
// be used for tests
func buildOggContainer() []byte {
return []byte{
0x4f, 0x67, 0x67, 0x53, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x8e, 0x9b, 0x20, 0xaa, 0x00, 0x00,
0x00, 0x00, 0x61, 0xee, 0x61, 0x17, 0x01, 0x13, 0x4f, 0x70,
0x75, 0x73, 0x48, 0x65, 0x61, 0x64, 0x01, 0x02, 0x00, 0x0f,
0x80, 0xbb, 0x00, 0x00, 0x00, 0x00, 0x00, 0x4f, 0x67, 0x67,
0x53, 0x00, 0x00, 0xda, 0x93, 0xc2, 0xd9, 0x00, 0x00, 0x00,
0x00, 0x8e, 0x9b, 0x20, 0xaa, 0x02, 0x00, 0x00, 0x00, 0x49,
0x97, 0x03, 0x37, 0x01, 0x05, 0x98, 0x36, 0xbe, 0x88, 0x9e,
}
}
func TestOggReader_ParseValidHeader(t *testing.T) {
reader, header, err := NewWith(bytes.NewReader(buildOggContainer()))
assert.NoError(t, err)
assert.NotNil(t, reader)
assert.NotNil(t, header)
assert.EqualValues(t, header.ChannelMap, 0)
assert.EqualValues(t, header.Channels, 2)
assert.EqualValues(t, header.OutputGain, 0)
assert.EqualValues(t, header.PreSkip, 0xf00)
assert.EqualValues(t, header.SampleRate, 48000)
assert.EqualValues(t, header.Version, 1)
}
func TestOggReader_ParseNextPage(t *testing.T) {
ogg := bytes.NewReader(buildOggContainer())
reader, _, err := NewWith(ogg)
assert.NoError(t, err)
assert.NotNil(t, reader)
payload, _, err := reader.ParseNextPage()
assert.Equal(t, []byte{0x98, 0x36, 0xbe, 0x88, 0x9e}, payload)
assert.NoError(t, err)
_, _, err = reader.ParseNextPage()
assert.Equal(t, err, io.EOF)
}
func TestOggReader_ParseErrors(t *testing.T) {
t.Run("Assert that Reader isn't nil", func(t *testing.T) {
_, _, err := NewWith(nil)
assert.Equal(t, err, errNilStream)
})
t.Run("Invalid ID Page Header Signature", func(t *testing.T) {
ogg := buildOggContainer()
ogg[0] = 0
_, _, err := newWith(bytes.NewReader(ogg), false)
assert.Equal(t, err, errBadIDPageSignature)
})
t.Run("Invalid ID Page Header Type", func(t *testing.T) {
ogg := buildOggContainer()
ogg[5] = 0
_, _, err := newWith(bytes.NewReader(ogg), false)
assert.Equal(t, err, errBadIDPageType)
})
t.Run("Invalid ID Page Payload Length", func(t *testing.T) {
ogg := buildOggContainer()
ogg[27] = 0
_, _, err := newWith(bytes.NewReader(ogg), false)
assert.Equal(t, err, errBadIDPageLength)
})
t.Run("Invalid ID Page Payload Length", func(t *testing.T) {
ogg := buildOggContainer()
ogg[35] = 0
_, _, err := newWith(bytes.NewReader(ogg), false)
assert.Equal(t, err, errBadIDPagePayloadSignature)
})
t.Run("Invalid Page Checksum", func(t *testing.T) {
ogg := buildOggContainer()
ogg[22] = 0
_, _, err := NewWith(bytes.NewReader(ogg))
assert.Equal(t, err, errChecksumMismatch)
})
}
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