mirror of https://github.com/octoleo/restic.git
92 lines
2.0 KiB
Go
92 lines
2.0 KiB
Go
package backend_test
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import (
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"bytes"
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"math/rand"
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"testing"
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"github.com/restic/restic/backend"
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"github.com/restic/restic/backend/mem"
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. "github.com/restic/restic/test"
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)
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const KiB = 1 << 10
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const MiB = 1 << 20
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func TestLoadAll(t *testing.T) {
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b := mem.New()
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for i := 0; i < 20; i++ {
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data := Random(23+i, rand.Intn(MiB)+500*KiB)
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id := backend.Hash(data)
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err := b.Save(backend.Handle{Name: id.String(), Type: backend.Data}, data)
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OK(t, err)
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buf, err := backend.LoadAll(b, backend.Handle{Type: backend.Data, Name: id.String()}, nil)
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OK(t, err)
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if len(buf) != len(data) {
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t.Errorf("length of returned buffer does not match, want %d, got %d", len(data), len(buf))
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continue
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}
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if !bytes.Equal(buf, data) {
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t.Errorf("wrong data returned")
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continue
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}
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}
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}
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func TestLoadSmallBuffer(t *testing.T) {
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b := mem.New()
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for i := 0; i < 20; i++ {
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data := Random(23+i, rand.Intn(MiB)+500*KiB)
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id := backend.Hash(data)
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err := b.Save(backend.Handle{Name: id.String(), Type: backend.Data}, data)
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OK(t, err)
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buf := make([]byte, len(data)-23)
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buf, err = backend.LoadAll(b, backend.Handle{Type: backend.Data, Name: id.String()}, buf)
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OK(t, err)
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if len(buf) != len(data) {
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t.Errorf("length of returned buffer does not match, want %d, got %d", len(data), len(buf))
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continue
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}
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if !bytes.Equal(buf, data) {
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t.Errorf("wrong data returned")
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continue
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}
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}
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}
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func TestLoadLargeBuffer(t *testing.T) {
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b := mem.New()
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for i := 0; i < 20; i++ {
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data := Random(23+i, rand.Intn(MiB)+500*KiB)
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id := backend.Hash(data)
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err := b.Save(backend.Handle{Name: id.String(), Type: backend.Data}, data)
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OK(t, err)
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buf := make([]byte, len(data)+100)
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buf, err = backend.LoadAll(b, backend.Handle{Type: backend.Data, Name: id.String()}, buf)
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OK(t, err)
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if len(buf) != len(data) {
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t.Errorf("length of returned buffer does not match, want %d, got %d", len(data), len(buf))
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continue
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}
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if !bytes.Equal(buf, data) {
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t.Errorf("wrong data returned")
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continue
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}
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}
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}
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