mirror of https://github.com/restic/restic.git
131 lines
2.6 KiB
Go
131 lines
2.6 KiB
Go
package archiver
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import (
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"context"
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"fmt"
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"runtime"
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"testing"
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"github.com/restic/restic/internal/errors"
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"github.com/restic/restic/internal/restic"
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"golang.org/x/sync/errgroup"
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)
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func newFutureBlobWithResponse() FutureBlob {
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ch := make(chan SaveBlobResponse, 1)
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ch <- SaveBlobResponse{
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id: restic.NewRandomID(),
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known: false,
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length: 123,
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sizeInRepo: 123,
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}
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return FutureBlob{ch: ch}
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}
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func TestTreeSaver(t *testing.T) {
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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wg, ctx := errgroup.WithContext(ctx)
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saveFn := func(ctx context.Context, t restic.BlobType, buf *Buffer) FutureBlob {
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return newFutureBlobWithResponse()
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}
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errFn := func(snPath string, err error) error {
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return err
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}
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b := NewTreeSaver(ctx, wg, uint(runtime.NumCPU()), saveFn, errFn)
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var results []FutureNode
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for i := 0; i < 20; i++ {
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node := &restic.Node{
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Name: fmt.Sprintf("file-%d", i),
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}
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fb := b.Save(ctx, join("/", node.Name), node.Name, node, nil, nil)
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results = append(results, fb)
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}
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for _, tree := range results {
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tree.take(ctx)
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}
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b.TriggerShutdown()
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err := wg.Wait()
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if err != nil {
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t.Fatal(err)
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}
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}
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func TestTreeSaverError(t *testing.T) {
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var tests = []struct {
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trees int
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failAt int
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}{
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{1, 1},
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{20, 2},
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{20, 5},
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{20, 15},
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{200, 150},
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}
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errTest := errors.New("test error")
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for _, test := range tests {
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t.Run("", func(t *testing.T) {
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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wg, ctx := errgroup.WithContext(ctx)
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saveFn := func(ctx context.Context, tpe restic.BlobType, buf *Buffer) FutureBlob {
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return newFutureBlobWithResponse()
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}
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errFn := func(snPath string, err error) error {
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return err
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}
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b := NewTreeSaver(ctx, wg, uint(runtime.NumCPU()), saveFn, errFn)
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var results []FutureNode
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for i := 0; i < test.trees; i++ {
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node := &restic.Node{
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Name: fmt.Sprintf("file-%d", i),
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}
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nodes := []FutureNode{
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newFutureNodeWithResult(futureNodeResult{node: &restic.Node{
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Name: fmt.Sprintf("child-%d", i),
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}}),
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}
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if (i + 1) == test.failAt {
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nodes = append(nodes, newFutureNodeWithResult(futureNodeResult{
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err: errTest,
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}))
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}
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fb := b.Save(ctx, join("/", node.Name), node.Name, node, nodes, nil)
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results = append(results, fb)
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}
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for _, tree := range results {
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tree.take(ctx)
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}
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b.TriggerShutdown()
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err := wg.Wait()
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if err == nil {
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t.Errorf("expected error not found")
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}
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if err != errTest {
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t.Fatalf("unexpected error found: %v", err)
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}
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})
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}
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}
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