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repository: test uncompressedLength field and index example

This commit is contained in:
Michael Eischer 2022-04-29 23:17:01 +02:00
parent 9ffb8920f1
commit ec2b25565a
2 changed files with 125 additions and 58 deletions
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82
internal/repository/index_test.go
View File

@ -23,11 +23,17 @@ func TestIndexSerialize(t *testing.T) {
pos := uint(0)
for j := 0; j < 20; j++ {
length := uint(i*100 + j)
uncompressedLength := uint(0)
if i >= 25 {
// test a mix of compressed and uncompressed packs
uncompressedLength = 2 * length
}
pb := restic.PackedBlob{
Blob: restic.Blob{
BlobHandle: restic.NewRandomBlobHandle(),
Offset: pos,
Length: length,
UncompressedLength: uncompressedLength,
},
PackID: packID,
}
@ -164,7 +170,7 @@ func TestIndexSize(t *testing.T) {
}
// example index serialization from doc/Design.rst
var docExample = []byte(`
var docExampleV1 = []byte(`
{
"supersedes": [
"ed54ae36197f4745ebc4b54d10e0f623eaaaedd03013eb7ae90df881b7781452"
@ -177,12 +183,12 @@ var docExample = []byte(`
"id": "3ec79977ef0cf5de7b08cd12b874cd0f62bbaf7f07f3497a5b1bbcc8cb39b1ce",
"type": "data",
"offset": 0,
"length": 25
"length": 38
},{
"id": "9ccb846e60d90d4eb915848add7aa7ea1e4bbabfc60e573db9f7bfb2789afbae",
"type": "tree",
"offset": 38,
"length": 100
"length": 112
},
{
"id": "d3dc577b4ffd38cc4b32122cabf8655a0223ed22edfd93b353dc0c3f2b0fdf66",
@ -196,6 +202,41 @@ var docExample = []byte(`
}
`)
var docExampleV2 = []byte(`
{
"supersedes": [
"ed54ae36197f4745ebc4b54d10e0f623eaaaedd03013eb7ae90df881b7781452"
],
"packs": [
{
"id": "73d04e6125cf3c28a299cc2f3cca3b78ceac396e4fcf9575e34536b26782413c",
"blobs": [
{
"id": "3ec79977ef0cf5de7b08cd12b874cd0f62bbaf7f07f3497a5b1bbcc8cb39b1ce",
"type": "data",
"offset": 0,
"length": 38
},
{
"id": "9ccb846e60d90d4eb915848add7aa7ea1e4bbabfc60e573db9f7bfb2789afbae",
"type": "tree",
"offset": 38,
"length": 112,
"uncompressed_length": 511
},
{
"id": "d3dc577b4ffd38cc4b32122cabf8655a0223ed22edfd93b353dc0c3f2b0fdf66",
"type": "data",
"offset": 150,
"length": 123,
"uncompressed_length": 234
}
]
}
]
}
`)
var docOldExample = []byte(`
[ {
"id": "73d04e6125cf3c28a299cc2f3cca3b78ceac396e4fcf9575e34536b26782413c",
@ -204,12 +245,12 @@ var docOldExample = []byte(`
"id": "3ec79977ef0cf5de7b08cd12b874cd0f62bbaf7f07f3497a5b1bbcc8cb39b1ce",
"type": "data",
"offset": 0,
"length": 25
"length": 38
},{
"id": "9ccb846e60d90d4eb915848add7aa7ea1e4bbabfc60e573db9f7bfb2789afbae",
"type": "tree",
"offset": 38,
"length": 100
"length": 112
},
{
"id": "d3dc577b4ffd38cc4b32122cabf8655a0223ed22edfd93b353dc0c3f2b0fdf66",
@ -225,19 +266,20 @@ var exampleTests = []struct {
id, packID restic.ID
tpe restic.BlobType
offset, length uint
uncompressedLength uint
}{
{
restic.TestParseID("3ec79977ef0cf5de7b08cd12b874cd0f62bbaf7f07f3497a5b1bbcc8cb39b1ce"),
restic.TestParseID("73d04e6125cf3c28a299cc2f3cca3b78ceac396e4fcf9575e34536b26782413c"),
restic.DataBlob, 0, 25,
restic.DataBlob, 0, 38, 0,
}, {
restic.TestParseID("9ccb846e60d90d4eb915848add7aa7ea1e4bbabfc60e573db9f7bfb2789afbae"),
restic.TestParseID("73d04e6125cf3c28a299cc2f3cca3b78ceac396e4fcf9575e34536b26782413c"),
restic.TreeBlob, 38, 100,
restic.TreeBlob, 38, 112, 511,
}, {
restic.TestParseID("d3dc577b4ffd38cc4b32122cabf8655a0223ed22edfd93b353dc0c3f2b0fdf66"),
restic.TestParseID("73d04e6125cf3c28a299cc2f3cca3b78ceac396e4fcf9575e34536b26782413c"),
restic.DataBlob, 150, 123,
restic.DataBlob, 150, 123, 234,
},
}
@ -254,9 +296,16 @@ var exampleLookupTest = struct {
}
func TestIndexUnserialize(t *testing.T) {
for _, task := range []struct {
idxBytes []byte
version int
}{
{docExampleV1, 1},
{docExampleV2, 2},
} {
oldIdx := restic.IDs{restic.TestParseID("ed54ae36197f4745ebc4b54d10e0f623eaaaedd03013eb7ae90df881b7781452")}
idx, oldFormat, err := repository.DecodeIndex(docExample, restic.NewRandomID())
idx, oldFormat, err := repository.DecodeIndex(task.idxBytes, restic.NewRandomID())
rtest.OK(t, err)
rtest.Assert(t, !oldFormat, "new index format recognized as old format")
@ -273,6 +322,13 @@ func TestIndexUnserialize(t *testing.T) {
rtest.Equals(t, test.tpe, blob.Type)
rtest.Equals(t, test.offset, blob.Offset)
rtest.Equals(t, test.length, blob.Length)
if task.version == 1 {
rtest.Equals(t, uint(0), blob.UncompressedLength)
} else if task.version == 2 {
rtest.Equals(t, test.uncompressedLength, blob.UncompressedLength)
} else {
t.Fatal("Invalid index version")
}
}
rtest.Equals(t, oldIdx, idx.Supersedes())
@ -291,6 +347,7 @@ func TestIndexUnserialize(t *testing.T) {
t.Errorf("unexpected type for blob %v: want %v, got %v", blob.ID.Str(), b, blob.Type)
}
}
}
}
var (
@ -404,6 +461,7 @@ func createRandomIndex(rng *rand.Rand, packfiles int) (idx *repository.Index, lo
ID: id,
},
Length: uint(size),
UncompressedLength: uint(2 * size),
Offset: uint(offset),
})
@ -475,11 +533,17 @@ func TestIndexHas(t *testing.T) {
pos := uint(0)
for j := 0; j < 20; j++ {
length := uint(i*100 + j)
uncompressedLength := uint(0)
if i >= 25 {
// test a mix of compressed and uncompressed packs
uncompressedLength = 2 * length
}
pb := restic.PackedBlob{
Blob: restic.Blob{
BlobHandle: restic.NewRandomBlobHandle(),
Offset: pos,
Length: length,
UncompressedLength: uncompressedLength,
},
PackID: packID,
}

5
internal/repository/master_index_test.go
View File

@ -33,6 +33,7 @@ func TestMasterIndex(t *testing.T) {
BlobHandle: bhInIdx2,
Length: uint(restic.CiphertextLength(100)),
Offset: 10,
UncompressedLength: 200,
},
}
@ -51,6 +52,7 @@ func TestMasterIndex(t *testing.T) {
BlobHandle: bhInIdx12,
Length: uint(restic.CiphertextLength(123)),
Offset: 50,
UncompressedLength: 80,
},
}
@ -86,7 +88,7 @@ func TestMasterIndex(t *testing.T) {
size, found = mIdx.LookupSize(bhInIdx2)
rtest.Equals(t, true, found)
rtest.Equals(t, uint(100), size)
rtest.Equals(t, uint(200), size)
// test idInIdx12
found = mIdx.Has(bhInIdx12)
@ -147,6 +149,7 @@ func TestMasterMergeFinalIndexes(t *testing.T) {
BlobHandle: bhInIdx2,
Length: 100,
Offset: 10,
UncompressedLength: 200,
},
}