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Add test for ArchiveReader()
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43f9c2d36e
commit
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77
src/restic/archive_reader_test.go
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77
src/restic/archive_reader_test.go
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package restic
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import (
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"bytes"
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"io"
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"math/rand"
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"restic/backend"
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"restic/pack"
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"restic/repository"
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"testing"
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"github.com/restic/chunker"
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)
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func loadBlob(t *testing.T, repo *repository.Repository, id backend.ID, buf []byte) []byte {
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buf, err := repo.LoadBlob(pack.Data, id, buf)
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if err != nil {
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t.Fatalf("LoadBlob(%v) returned error %v", id, err)
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}
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return buf
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}
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func TestArchiveReader(t *testing.T) {
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repo, cleanup := repository.TestRepository(t)
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defer cleanup()
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seed := rand.Int63()
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size := int64(rand.Intn(50*1024*1024) + 50*1024*1024)
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t.Logf("seed is 0x%016x, size is %v", seed, size)
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f := fakeFile(t, seed, size)
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sn, id, err := ArchiveReader(repo, nil, f, "fakefile")
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if err != nil {
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t.Fatalf("ArchiveReader() returned error %v", err)
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}
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if id.IsNull() {
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t.Fatalf("ArchiveReader() returned null ID")
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}
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t.Logf("snapshot saved as %v, tree is %v", id.Str(), sn.Tree.Str())
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tree, err := LoadTree(repo, *sn.Tree)
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if err != nil {
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t.Fatalf("LoadTree() returned error %v", err)
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}
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if len(tree.Nodes) != 1 {
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t.Fatalf("wrong number of nodes for tree, want %v, got %v", 1, len(tree.Nodes))
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}
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node := tree.Nodes[0]
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if node.Name != "fakefile" {
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t.Fatalf("wrong filename, want %v, got %v", "fakefile", node.Name)
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}
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if len(node.Content) == 0 {
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t.Fatalf("node.Content has length 0")
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}
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// check blobs
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f = fakeFile(t, seed, size)
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buf := make([]byte, chunker.MaxSize)
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buf2 := make([]byte, chunker.MaxSize)
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for i, id := range node.Content {
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buf = loadBlob(t, repo, id, buf)
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buf2 = buf2[:len(buf)]
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_, err = io.ReadFull(f, buf2)
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if !bytes.Equal(buf, buf2) {
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t.Fatalf("blob %d (%v) is wrong", i, id.Str())
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}
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}
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}
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