gitlab-com-seaweedfs/seaweedfs
1
0
Fork 0
mirror of https://github.com/seaweedfs/seaweedfs.git synced 2024-01-19 02:48:24 +00:00
Code Issues Projects Releases Wiki Activity

add tests

Browse source
This commit is contained in:
Chris Lu 2020-08-23 14:09:25 -07:00
parent 77393d3d30
commit df816a58fe
2 changed files with 94 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

52
weed/filer2/filechunks2_test.go Normal file
View file

@ -0,0 +1,52 @@
package filer2
import (
"sort"
"testing"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
)
func TestCompactFileChunksRealCase(t *testing.T) {
chunks := []*filer_pb.FileChunk{
{FileId:"2,512f31f2c0700a", Offset: 0, Size: 25- 0, Mtime: 5320497},
{FileId:"6,512f2c2e24e9e8", Offset: 868352, Size: 917585- 868352, Mtime: 5320492},
{FileId:"7,514468dd5954ca", Offset: 884736, Size: 901120- 884736, Mtime: 5325928},
{FileId:"5,5144463173fe77", Offset: 917504, Size: 2297856- 917504, Mtime: 5325894},
{FileId:"4,51444c7ab54e2d", Offset: 2301952, Size: 2367488-2301952, Mtime: 5325900},
{FileId:"4,514450e643ad22", Offset: 2371584, Size: 2420736-2371584, Mtime: 5325904},
{FileId:"1,51446489116dbb", Offset: 2424832, Size: 2445312-2424832, Mtime: 5325924},
{FileId:"6,514456a5e9e4d7", Offset: 2449408, Size: 2490368-2449408, Mtime: 5325910},
{FileId:"3,51444f8d53eebe", Offset: 2494464, Size: 2555904-2494464, Mtime: 5325903},
{FileId:"4,5144578b097c7e", Offset: 2560000, Size: 2596864-2560000, Mtime: 5325911},
{FileId:"4,51446563a1d91a", Offset: 2600960, Size: 2617344-2600960, Mtime: 5325925},
{FileId:"7,514471a77e7b61", Offset: 2621440, Size: 2633728-2621440, Mtime: 5325937},
{FileId:"3,51445500b6b4ac", Offset: 2637824, Size: 2678784-2637824, Mtime: 5325909},
{FileId:"2,514476409139dc", Offset: 2682880, Size: 2691072-2682880, Mtime: 5325942},
{FileId:"1,51446285e52a61", Offset: 2695168, Size: 2715648-2695168, Mtime: 5325922},
{FileId:"6,51447234faf940", Offset: 2719744, Size: 2730531-2719744, Mtime: 5325938},
{FileId:"5,514473558a90ed", Offset: 2736128, Size: 2744590-2736128, Mtime: 5325939},
}
printChunks("before", chunks)
compacted, garbage := CompactFileChunks(nil, chunks)
printChunks("compacted", compacted)
printChunks("garbage", garbage)
}
func printChunks(name string, chunks []*filer_pb.FileChunk) {
sort.Slice(chunks, func(i, j int) bool {
if chunks[i].Offset == chunks[j].Offset {
return chunks[i].Mtime < chunks[j].Mtime
}
return chunks[i].Offset < chunks[j].Offset
})
for _, chunk := range chunks {
glog.V(0).Infof("%s chunk %s [%10d,%10d)", name, chunk.GetFileIdString(), chunk.Offset, chunk.Offset+int64(chunk.Size))
}
}

46
weed/filer2/filechunks_test.go
View file

@ -4,6 +4,8 @@ import (
"fmt"
"log"
"math"
"math/rand"
"strconv"
"testing"
"github.com/stretchr/testify/assert"
@ -62,6 +64,42 @@ func TestCompactFileChunks2(t *testing.T) {
}
}
func TestRandomFileChunksCompact(t *testing.T) {
data := make([]byte, 1024)
var chunks []*filer_pb.FileChunk
for i := 0; i < 15; i++ {
start, stop := rand.Intn(len(data)), rand.Intn(len(data))
if start > stop {
start, stop = stop, start
}
if start + 16 < stop {
stop = start + 16
}
chunk := &filer_pb.FileChunk{
FileId: strconv.Itoa(i),
Offset: int64(start),
Size: uint64(stop - start),
Mtime: int64(i),
Fid: &filer_pb.FileId{FileKey: uint64(i)},
}
chunks = append(chunks, chunk)
for x := start; x < stop; x++ {
data[x] = byte(i)
}
}
visibles, _ := NonOverlappingVisibleIntervals(nil, chunks)
for _, v := range visibles {
for x := v.start; x < v.stop; x++ {
assert.Equal(t, strconv.Itoa(int(data[x])), v.fileId)
}
}
}
func TestIntervalMerging(t *testing.T) {
testcases := []struct {
@ -142,12 +180,12 @@ func TestIntervalMerging(t *testing.T) {
// case 6: same updates
{
Chunks: []*filer_pb.FileChunk{
{Offset: 0, Size: 100, FileId: "abc", Mtime: 123},
{Offset: 0, Size: 100, FileId: "abc", Mtime: 123},
{Offset: 0, Size: 100, FileId: "abc", Mtime: 123},
{Offset: 0, Size: 100, FileId: "abc", Fid: &filer_pb.FileId{FileKey: 1}, Mtime: 123},
{Offset: 0, Size: 100, FileId: "axf", Fid: &filer_pb.FileId{FileKey: 2}, Mtime: 123},
{Offset: 0, Size: 100, FileId: "xyz", Fid: &filer_pb.FileId{FileKey: 3}, Mtime: 123},
},
Expected: []*VisibleInterval{
{start: 0, stop: 100, fileId: "abc"},
{start: 0, stop: 100, fileId: "xyz"},
},
},
// case 7: real updates