59 lines
1.2 KiB
Go
59 lines
1.2 KiB
Go
package compactindex
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import (
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"bytes"
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"errors"
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"math/rand"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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type failReader struct{ err error }
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func (rd failReader) ReadAt([]byte, int64) (int, error) {
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return 0, rd.err
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}
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func TestOpen_ReadFail(t *testing.T) {
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err := errors.New("oh no!")
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db, dbErr := Open(failReader{err})
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require.Nil(t, db)
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require.Same(t, err, dbErr)
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}
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func TestOpen_InvalidMagic(t *testing.T) {
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var buf [32]byte
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rand.Read(buf[:])
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buf[1] = '.' // make test deterministic
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db, dbErr := Open(bytes.NewReader(buf[:]))
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require.Nil(t, db)
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require.EqualError(t, dbErr, "not a radiance compactindex file")
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}
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func TestOpen_HeaderOnly(t *testing.T) {
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buf := [32]byte{
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// Magic
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'r', 'd', 'c', 'e', 'c', 'i', 'd', 'x',
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// FileSize
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0x37, 0x13, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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// NumBuckets
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0x42, 0x00, 0x00, 0x00,
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// Padding
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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}
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db, dbErr := Open(bytes.NewReader(buf[:]))
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require.NotNil(t, db)
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require.NoError(t, dbErr)
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assert.NotNil(t, db.Stream)
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assert.Equal(t, Header{
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FileSize: 0x1337,
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NumBuckets: 0x42,
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}, db.Header)
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}
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