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index: remove support for legacy index format

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This commit is contained in:
Michael Eischer
2024-08-26 20:07:21 +02:00
parent a5533344f9
commit 943b6ccfba
12 changed files with 28 additions and 168 deletions
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69
internal/repository/index/index_test.go
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@@ -8,7 +8,6 @@ import (
"sync"
"testing"
"github.com/restic/restic/internal/feature"
"github.com/restic/restic/internal/repository/index"
"github.com/restic/restic/internal/restic"
rtest "github.com/restic/restic/internal/test"
@@ -53,11 +52,9 @@ func TestIndexSerialize(t *testing.T) {
rtest.OK(t, err)
idx2ID := restic.NewRandomID()
idx2, oldFormat, err := index.DecodeIndex(wr.Bytes(), idx2ID)
idx2, err := index.DecodeIndex(wr.Bytes(), idx2ID)
rtest.OK(t, err)
rtest.Assert(t, idx2 != nil,
"nil returned for decoded index")
rtest.Assert(t, !oldFormat, "new index format recognized as old format")
rtest.Assert(t, idx2 != nil, "nil returned for decoded index")
indexID, err := idx2.IDs()
rtest.OK(t, err)
rtest.Equals(t, indexID, restic.IDs{idx2ID})
@@ -123,13 +120,10 @@ func TestIndexSerialize(t *testing.T) {
rtest.OK(t, err)
rtest.Equals(t, restic.IDs{id}, ids)
idx3, oldFormat, err := index.DecodeIndex(wr3.Bytes(), id)
idx3, err := index.DecodeIndex(wr3.Bytes(), id)
rtest.OK(t, err)
rtest.Assert(t, idx3 != nil,
"nil returned for decoded index")
rtest.Assert(t, idx3.Final(),
"decoded index is not final")
rtest.Assert(t, !oldFormat, "new index format recognized as old format")
rtest.Assert(t, idx3 != nil, "nil returned for decoded index")
rtest.Assert(t, idx3.Final(), "decoded index is not final")
// all new blobs must be in the index
for _, testBlob := range newtests {
@@ -246,31 +240,6 @@ var docExampleV2 = []byte(`
}
`)
var docOldExample = []byte(`
[ {
"id": "73d04e6125cf3c28a299cc2f3cca3b78ceac396e4fcf9575e34536b26782413c",
"blobs": [
{
"id": "3ec79977ef0cf5de7b08cd12b874cd0f62bbaf7f07f3497a5b1bbcc8cb39b1ce",
"type": "data",
"offset": 0,
"length": 38
},{
"id": "9ccb846e60d90d4eb915848add7aa7ea1e4bbabfc60e573db9f7bfb2789afbae",
"type": "tree",
"offset": 38,
"length": 112
},
{
"id": "d3dc577b4ffd38cc4b32122cabf8655a0223ed22edfd93b353dc0c3f2b0fdf66",
"type": "data",
"offset": 150,
"length": 123
}
]
} ]
`)
var exampleTests = []struct {
id, packID restic.ID
tpe restic.BlobType
@@ -312,9 +281,8 @@ func TestIndexUnserialize(t *testing.T) {
{docExampleV1, 1},
{docExampleV2, 2},
} {
idx, oldFormat, err := index.DecodeIndex(task.idxBytes, restic.NewRandomID())
idx, err := index.DecodeIndex(task.idxBytes, restic.NewRandomID())
rtest.OK(t, err)
rtest.Assert(t, !oldFormat, "new index format recognized as old format")
for _, test := range exampleTests {
list := idx.Lookup(restic.BlobHandle{ID: test.id, Type: test.tpe}, nil)
@@ -387,7 +355,7 @@ func BenchmarkDecodeIndex(b *testing.B) {
b.ResetTimer()
for i := 0; i < b.N; i++ {
_, _, err := index.DecodeIndex(benchmarkIndexJSON, id)
_, err := index.DecodeIndex(benchmarkIndexJSON, id)
rtest.OK(b, err)
}
}
@@ -400,7 +368,7 @@ func BenchmarkDecodeIndexParallel(b *testing.B) {
b.RunParallel(func(pb *testing.PB) {
for pb.Next() {
_, _, err := index.DecodeIndex(benchmarkIndexJSON, id)
_, err := index.DecodeIndex(benchmarkIndexJSON, id)
rtest.OK(b, err)
}
})
@@ -426,27 +394,6 @@ func BenchmarkEncodeIndex(b *testing.B) {
}
}
func TestIndexUnserializeOld(t *testing.T) {
defer feature.TestSetFlag(t, feature.Flag, feature.DeprecateLegacyIndex, false)()
idx, oldFormat, err := index.DecodeIndex(docOldExample, restic.NewRandomID())
rtest.OK(t, err)
rtest.Assert(t, oldFormat, "old index format recognized as new format")
for _, test := range exampleTests {
list := idx.Lookup(restic.BlobHandle{ID: test.id, Type: test.tpe}, nil)
if len(list) != 1 {
t.Errorf("expected one result for blob %v, got %v: %v", test.id.Str(), len(list), list)
}
blob := list[0]
rtest.Equals(t, test.packID, blob.PackID)
rtest.Equals(t, test.tpe, blob.Type)
rtest.Equals(t, test.offset, blob.Offset)
rtest.Equals(t, test.length, blob.Length)
}
}
func TestIndexPacks(t *testing.T) {
idx := index.NewIndex()
packs := restic.NewIDSet()