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113 lines
3.0 KiB
113 lines
3.0 KiB
package filer
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import (
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"bytes"
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"math"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
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)
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func TestDoMaybeManifestize(t *testing.T) {
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var manifestTests = []struct {
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inputs []*filer_pb.FileChunk
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expected []*filer_pb.FileChunk
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}{
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{
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inputs: []*filer_pb.FileChunk{
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{FileId: "1", IsChunkManifest: false},
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{FileId: "2", IsChunkManifest: false},
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{FileId: "3", IsChunkManifest: false},
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{FileId: "4", IsChunkManifest: false},
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},
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expected: []*filer_pb.FileChunk{
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{FileId: "12", IsChunkManifest: true},
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{FileId: "34", IsChunkManifest: true},
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},
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},
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{
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inputs: []*filer_pb.FileChunk{
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{FileId: "1", IsChunkManifest: true},
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{FileId: "2", IsChunkManifest: false},
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{FileId: "3", IsChunkManifest: false},
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{FileId: "4", IsChunkManifest: false},
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},
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expected: []*filer_pb.FileChunk{
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{FileId: "1", IsChunkManifest: true},
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{FileId: "23", IsChunkManifest: true},
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{FileId: "4", IsChunkManifest: false},
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},
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},
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{
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inputs: []*filer_pb.FileChunk{
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{FileId: "1", IsChunkManifest: false},
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{FileId: "2", IsChunkManifest: true},
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{FileId: "3", IsChunkManifest: false},
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{FileId: "4", IsChunkManifest: false},
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},
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expected: []*filer_pb.FileChunk{
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{FileId: "2", IsChunkManifest: true},
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{FileId: "13", IsChunkManifest: true},
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{FileId: "4", IsChunkManifest: false},
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},
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},
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{
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inputs: []*filer_pb.FileChunk{
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{FileId: "1", IsChunkManifest: true},
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{FileId: "2", IsChunkManifest: true},
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{FileId: "3", IsChunkManifest: false},
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{FileId: "4", IsChunkManifest: false},
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},
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expected: []*filer_pb.FileChunk{
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{FileId: "1", IsChunkManifest: true},
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{FileId: "2", IsChunkManifest: true},
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{FileId: "34", IsChunkManifest: true},
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},
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},
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}
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for i, mtest := range manifestTests {
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println("test", i)
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actual, _ := doMaybeManifestize(nil, mtest.inputs, 2, mockMerge)
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assertEqualChunks(t, mtest.expected, actual)
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}
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}
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func assertEqualChunks(t *testing.T, expected, actual []*filer_pb.FileChunk) {
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assert.Equal(t, len(expected), len(actual))
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for i := 0; i < len(actual); i++ {
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assertEqualChunk(t, actual[i], expected[i])
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}
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}
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func assertEqualChunk(t *testing.T, expected, actual *filer_pb.FileChunk) {
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assert.Equal(t, expected.FileId, actual.FileId)
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assert.Equal(t, expected.IsChunkManifest, actual.IsChunkManifest)
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}
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func mockMerge(saveFunc SaveDataAsChunkFunctionType, dataChunks []*filer_pb.FileChunk) (manifestChunk *filer_pb.FileChunk, err error) {
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var buf bytes.Buffer
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minOffset, maxOffset := int64(math.MaxInt64), int64(math.MinInt64)
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for k := 0; k < len(dataChunks); k++ {
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chunk := dataChunks[k]
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buf.WriteString(chunk.FileId)
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if minOffset > int64(chunk.Offset) {
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minOffset = chunk.Offset
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}
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if maxOffset < int64(chunk.Size)+chunk.Offset {
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maxOffset = int64(chunk.Size) + chunk.Offset
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}
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}
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manifestChunk = &filer_pb.FileChunk{
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FileId: buf.String(),
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}
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manifestChunk.IsChunkManifest = true
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manifestChunk.Offset = minOffset
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manifestChunk.Size = uint64(maxOffset - minOffset)
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return
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}
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