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				| package filer | |
| 
 | |
| import ( | |
| 	"context" | |
| 	"fmt" | |
| 	"log" | |
| 	"math" | |
| 	"math/rand/v2" | |
| 	"strconv" | |
| 	"testing" | |
| 
 | |
| 	"github.com/stretchr/testify/assert" | |
| 
 | |
| 	"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb" | |
| ) | |
| 
 | |
| func TestCompactFileChunks(t *testing.T) { | |
| 	chunks := []*filer_pb.FileChunk{ | |
| 		{Offset: 10, Size: 100, FileId: "abc", ModifiedTsNs: 50}, | |
| 		{Offset: 100, Size: 100, FileId: "def", ModifiedTsNs: 100}, | |
| 		{Offset: 200, Size: 100, FileId: "ghi", ModifiedTsNs: 200}, | |
| 		{Offset: 110, Size: 200, FileId: "jkl", ModifiedTsNs: 300}, | |
| 	} | |
| 
 | |
| 	compacted, garbage := CompactFileChunks(context.Background(), nil, chunks) | |
| 
 | |
| 	if len(compacted) != 3 { | |
| 		t.Fatalf("unexpected compacted: %d", len(compacted)) | |
| 	} | |
| 	if len(garbage) != 1 { | |
| 		t.Fatalf("unexpected garbage: %d", len(garbage)) | |
| 	} | |
| 
 | |
| } | |
| 
 | |
| func TestCompactFileChunks2(t *testing.T) { | |
| 
 | |
| 	chunks := []*filer_pb.FileChunk{ | |
| 		{Offset: 0, Size: 100, FileId: "abc", ModifiedTsNs: 50}, | |
| 		{Offset: 100, Size: 100, FileId: "def", ModifiedTsNs: 100}, | |
| 		{Offset: 200, Size: 100, FileId: "ghi", ModifiedTsNs: 200}, | |
| 		{Offset: 0, Size: 100, FileId: "abcf", ModifiedTsNs: 300}, | |
| 		{Offset: 50, Size: 100, FileId: "fhfh", ModifiedTsNs: 400}, | |
| 		{Offset: 100, Size: 100, FileId: "yuyu", ModifiedTsNs: 500}, | |
| 	} | |
| 
 | |
| 	k := 3 | |
| 
 | |
| 	for n := 0; n < k; n++ { | |
| 		chunks = append(chunks, &filer_pb.FileChunk{ | |
| 			Offset: int64(n * 100), Size: 100, FileId: fmt.Sprintf("fileId%d", n), ModifiedTsNs: int64(n), | |
| 		}) | |
| 		chunks = append(chunks, &filer_pb.FileChunk{ | |
| 			Offset: int64(n * 50), Size: 100, FileId: fmt.Sprintf("fileId%d", n+k), ModifiedTsNs: int64(n + k), | |
| 		}) | |
| 	} | |
| 
 | |
| 	compacted, garbage := CompactFileChunks(context.Background(), nil, chunks) | |
| 
 | |
| 	if len(compacted) != 4 { | |
| 		t.Fatalf("unexpected compacted: %d", len(compacted)) | |
| 	} | |
| 	if len(garbage) != 8 { | |
| 		t.Fatalf("unexpected garbage: %d", len(garbage)) | |
| 	} | |
| } | |
| 
 | |
| 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), | |
| 			ModifiedTsNs: 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(context.Background(), nil, chunks, 0, math.MaxInt64) | |
| 
 | |
| 	for visible := visibles.Front(); visible != nil; visible = visible.Next { | |
| 		v := visible.Value | |
| 		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 { | |
| 		Chunks   []*filer_pb.FileChunk | |
| 		Expected []*VisibleInterval | |
| 	}{ | |
| 		// case 0: normal | |
| 		{ | |
| 			Chunks: []*filer_pb.FileChunk{ | |
| 				{Offset: 0, Size: 100, FileId: "abc", ModifiedTsNs: 123}, | |
| 				{Offset: 100, Size: 100, FileId: "asdf", ModifiedTsNs: 134}, | |
| 				{Offset: 200, Size: 100, FileId: "fsad", ModifiedTsNs: 353}, | |
| 			}, | |
| 			Expected: []*VisibleInterval{ | |
| 				{start: 0, stop: 100, fileId: "abc"}, | |
| 				{start: 100, stop: 200, fileId: "asdf"}, | |
| 				{start: 200, stop: 300, fileId: "fsad"}, | |
| 			}, | |
| 		}, | |
| 		// case 1: updates overwrite full chunks | |
| 		{ | |
| 			Chunks: []*filer_pb.FileChunk{ | |
| 				{Offset: 0, Size: 100, FileId: "abc", ModifiedTsNs: 123}, | |
| 				{Offset: 0, Size: 200, FileId: "asdf", ModifiedTsNs: 134}, | |
| 			}, | |
| 			Expected: []*VisibleInterval{ | |
| 				{start: 0, stop: 200, fileId: "asdf"}, | |
| 			}, | |
| 		}, | |
| 		// case 2: updates overwrite part of previous chunks | |
| 		{ | |
| 			Chunks: []*filer_pb.FileChunk{ | |
| 				{Offset: 0, Size: 100, FileId: "a", ModifiedTsNs: 123}, | |
| 				{Offset: 0, Size: 70, FileId: "b", ModifiedTsNs: 134}, | |
| 			}, | |
| 			Expected: []*VisibleInterval{ | |
| 				{start: 0, stop: 70, fileId: "b"}, | |
| 				{start: 70, stop: 100, fileId: "a", offsetInChunk: 70}, | |
| 			}, | |
| 		}, | |
| 		// case 3: updates overwrite full chunks | |
| 		{ | |
| 			Chunks: []*filer_pb.FileChunk{ | |
| 				{Offset: 0, Size: 100, FileId: "abc", ModifiedTsNs: 123}, | |
| 				{Offset: 0, Size: 200, FileId: "asdf", ModifiedTsNs: 134}, | |
| 				{Offset: 50, Size: 250, FileId: "xxxx", ModifiedTsNs: 154}, | |
| 			}, | |
| 			Expected: []*VisibleInterval{ | |
| 				{start: 0, stop: 50, fileId: "asdf"}, | |
| 				{start: 50, stop: 300, fileId: "xxxx"}, | |
| 			}, | |
| 		}, | |
| 		// case 4: updates far away from prev chunks | |
| 		{ | |
| 			Chunks: []*filer_pb.FileChunk{ | |
| 				{Offset: 0, Size: 100, FileId: "abc", ModifiedTsNs: 123}, | |
| 				{Offset: 0, Size: 200, FileId: "asdf", ModifiedTsNs: 134}, | |
| 				{Offset: 250, Size: 250, FileId: "xxxx", ModifiedTsNs: 154}, | |
| 			}, | |
| 			Expected: []*VisibleInterval{ | |
| 				{start: 0, stop: 200, fileId: "asdf"}, | |
| 				{start: 250, stop: 500, fileId: "xxxx"}, | |
| 			}, | |
| 		}, | |
| 		// case 5: updates overwrite full chunks | |
| 		{ | |
| 			Chunks: []*filer_pb.FileChunk{ | |
| 				{Offset: 0, Size: 100, FileId: "a", ModifiedTsNs: 123}, | |
| 				{Offset: 0, Size: 200, FileId: "d", ModifiedTsNs: 184}, | |
| 				{Offset: 70, Size: 150, FileId: "c", ModifiedTsNs: 143}, | |
| 				{Offset: 80, Size: 100, FileId: "b", ModifiedTsNs: 134}, | |
| 			}, | |
| 			Expected: []*VisibleInterval{ | |
| 				{start: 0, stop: 200, fileId: "d"}, | |
| 				{start: 200, stop: 220, fileId: "c", offsetInChunk: 130}, | |
| 			}, | |
| 		}, | |
| 		// case 6: same updates | |
| 		{ | |
| 			Chunks: []*filer_pb.FileChunk{ | |
| 				{Offset: 0, Size: 100, FileId: "abc", Fid: &filer_pb.FileId{FileKey: 1}, ModifiedTsNs: 123}, | |
| 				{Offset: 0, Size: 100, FileId: "axf", Fid: &filer_pb.FileId{FileKey: 2}, ModifiedTsNs: 124}, | |
| 				{Offset: 0, Size: 100, FileId: "xyz", Fid: &filer_pb.FileId{FileKey: 3}, ModifiedTsNs: 125}, | |
| 			}, | |
| 			Expected: []*VisibleInterval{ | |
| 				{start: 0, stop: 100, fileId: "xyz"}, | |
| 			}, | |
| 		}, | |
| 		// case 7: real updates | |
| 		{ | |
| 			Chunks: []*filer_pb.FileChunk{ | |
| 				{Offset: 0, Size: 2097152, FileId: "7,0294cbb9892b", ModifiedTsNs: 123}, | |
| 				{Offset: 0, Size: 3145728, FileId: "3,029565bf3092", ModifiedTsNs: 130}, | |
| 				{Offset: 2097152, Size: 3145728, FileId: "6,029632f47ae2", ModifiedTsNs: 140}, | |
| 				{Offset: 5242880, Size: 3145728, FileId: "2,029734c5aa10", ModifiedTsNs: 150}, | |
| 				{Offset: 8388608, Size: 3145728, FileId: "5,02982f80de50", ModifiedTsNs: 160}, | |
| 				{Offset: 11534336, Size: 2842193, FileId: "7,0299ad723803", ModifiedTsNs: 170}, | |
| 			}, | |
| 			Expected: []*VisibleInterval{ | |
| 				{start: 0, stop: 2097152, fileId: "3,029565bf3092"}, | |
| 				{start: 2097152, stop: 5242880, fileId: "6,029632f47ae2"}, | |
| 				{start: 5242880, stop: 8388608, fileId: "2,029734c5aa10"}, | |
| 				{start: 8388608, stop: 11534336, fileId: "5,02982f80de50"}, | |
| 				{start: 11534336, stop: 14376529, fileId: "7,0299ad723803"}, | |
| 			}, | |
| 		}, | |
| 		// case 8: real bug | |
| 		{ | |
| 			Chunks: []*filer_pb.FileChunk{ | |
| 				{Offset: 0, Size: 77824, FileId: "4,0b3df938e301", ModifiedTsNs: 123}, | |
| 				{Offset: 471040, Size: 472225 - 471040, FileId: "6,0b3e0650019c", ModifiedTsNs: 130}, | |
| 				{Offset: 77824, Size: 208896 - 77824, FileId: "4,0b3f0c7202f0", ModifiedTsNs: 140}, | |
| 				{Offset: 208896, Size: 339968 - 208896, FileId: "2,0b4031a72689", ModifiedTsNs: 150}, | |
| 				{Offset: 339968, Size: 471040 - 339968, FileId: "3,0b416a557362", ModifiedTsNs: 160}, | |
| 			}, | |
| 			Expected: []*VisibleInterval{ | |
| 				{start: 0, stop: 77824, fileId: "4,0b3df938e301"}, | |
| 				{start: 77824, stop: 208896, fileId: "4,0b3f0c7202f0"}, | |
| 				{start: 208896, stop: 339968, fileId: "2,0b4031a72689"}, | |
| 				{start: 339968, stop: 471040, fileId: "3,0b416a557362"}, | |
| 				{start: 471040, stop: 472225, fileId: "6,0b3e0650019c"}, | |
| 			}, | |
| 		}, | |
| 	} | |
| 
 | |
| 	for i, testcase := range testcases { | |
| 		log.Printf("++++++++++ merged test case %d ++++++++++++++++++++", i) | |
| 		intervals, _ := NonOverlappingVisibleIntervals(context.Background(), nil, testcase.Chunks, 0, math.MaxInt64) | |
| 		x := -1 | |
| 		for visible := intervals.Front(); visible != nil; visible = visible.Next { | |
| 			x++ | |
| 			interval := visible.Value | |
| 			log.Printf("test case %d, interval start=%d, stop=%d, fileId=%s", | |
| 				i, interval.start, interval.stop, interval.fileId) | |
| 		} | |
| 		x = -1 | |
| 		for visible := intervals.Front(); visible != nil; visible = visible.Next { | |
| 			x++ | |
| 			interval := visible.Value | |
| 			if interval.start != testcase.Expected[x].start { | |
| 				t.Fatalf("failed on test case %d, interval %d, start %d, expect %d", | |
| 					i, x, interval.start, testcase.Expected[x].start) | |
| 			} | |
| 			if interval.stop != testcase.Expected[x].stop { | |
| 				t.Fatalf("failed on test case %d, interval %d, stop %d, expect %d", | |
| 					i, x, interval.stop, testcase.Expected[x].stop) | |
| 			} | |
| 			if interval.fileId != testcase.Expected[x].fileId { | |
| 				t.Fatalf("failed on test case %d, interval %d, chunkId %s, expect %s", | |
| 					i, x, interval.fileId, testcase.Expected[x].fileId) | |
| 			} | |
| 			if interval.offsetInChunk != testcase.Expected[x].offsetInChunk { | |
| 				t.Fatalf("failed on test case %d, interval %d, offsetInChunk %d, expect %d", | |
| 					i, x, interval.offsetInChunk, testcase.Expected[x].offsetInChunk) | |
| 			} | |
| 		} | |
| 		if intervals.Len() != len(testcase.Expected) { | |
| 			t.Fatalf("failed to compact test case %d, len %d expected %d", i, intervals.Len(), len(testcase.Expected)) | |
| 		} | |
| 
 | |
| 	} | |
| 
 | |
| } | |
| 
 | |
| func TestChunksReading(t *testing.T) { | |
| 
 | |
| 	testcases := []struct { | |
| 		Chunks   []*filer_pb.FileChunk | |
| 		Offset   int64 | |
| 		Size     int64 | |
| 		Expected []*ChunkView | |
| 	}{ | |
| 		// case 0: normal | |
| 		{ | |
| 			Chunks: []*filer_pb.FileChunk{ | |
| 				{Offset: 0, Size: 100, FileId: "abc", ModifiedTsNs: 123}, | |
| 				{Offset: 100, Size: 100, FileId: "asdf", ModifiedTsNs: 134}, | |
| 				{Offset: 200, Size: 100, FileId: "fsad", ModifiedTsNs: 353}, | |
| 			}, | |
| 			Offset: 0, | |
| 			Size:   250, | |
| 			Expected: []*ChunkView{ | |
| 				{OffsetInChunk: 0, ViewSize: 100, FileId: "abc", ViewOffset: 0}, | |
| 				{OffsetInChunk: 0, ViewSize: 100, FileId: "asdf", ViewOffset: 100}, | |
| 				{OffsetInChunk: 0, ViewSize: 50, FileId: "fsad", ViewOffset: 200}, | |
| 			}, | |
| 		}, | |
| 		// case 1: updates overwrite full chunks | |
| 		{ | |
| 			Chunks: []*filer_pb.FileChunk{ | |
| 				{Offset: 0, Size: 100, FileId: "abc", ModifiedTsNs: 123}, | |
| 				{Offset: 0, Size: 200, FileId: "asdf", ModifiedTsNs: 134}, | |
| 			}, | |
| 			Offset: 50, | |
| 			Size:   100, | |
| 			Expected: []*ChunkView{ | |
| 				{OffsetInChunk: 50, ViewSize: 100, FileId: "asdf", ViewOffset: 50}, | |
| 			}, | |
| 		}, | |
| 		// case 2: updates overwrite part of previous chunks | |
| 		{ | |
| 			Chunks: []*filer_pb.FileChunk{ | |
| 				{Offset: 3, Size: 100, FileId: "a", ModifiedTsNs: 123}, | |
| 				{Offset: 10, Size: 50, FileId: "b", ModifiedTsNs: 134}, | |
| 			}, | |
| 			Offset: 30, | |
| 			Size:   40, | |
| 			Expected: []*ChunkView{ | |
| 				{OffsetInChunk: 20, ViewSize: 30, FileId: "b", ViewOffset: 30}, | |
| 				{OffsetInChunk: 57, ViewSize: 10, FileId: "a", ViewOffset: 60}, | |
| 			}, | |
| 		}, | |
| 		// case 3: updates overwrite full chunks | |
| 		{ | |
| 			Chunks: []*filer_pb.FileChunk{ | |
| 				{Offset: 0, Size: 100, FileId: "abc", ModifiedTsNs: 123}, | |
| 				{Offset: 0, Size: 200, FileId: "asdf", ModifiedTsNs: 134}, | |
| 				{Offset: 50, Size: 250, FileId: "xxxx", ModifiedTsNs: 154}, | |
| 			}, | |
| 			Offset: 0, | |
| 			Size:   200, | |
| 			Expected: []*ChunkView{ | |
| 				{OffsetInChunk: 0, ViewSize: 50, FileId: "asdf", ViewOffset: 0}, | |
| 				{OffsetInChunk: 0, ViewSize: 150, FileId: "xxxx", ViewOffset: 50}, | |
| 			}, | |
| 		}, | |
| 		// case 4: updates far away from prev chunks | |
| 		{ | |
| 			Chunks: []*filer_pb.FileChunk{ | |
| 				{Offset: 0, Size: 100, FileId: "abc", ModifiedTsNs: 123}, | |
| 				{Offset: 0, Size: 200, FileId: "asdf", ModifiedTsNs: 134}, | |
| 				{Offset: 250, Size: 250, FileId: "xxxx", ModifiedTsNs: 154}, | |
| 			}, | |
| 			Offset: 0, | |
| 			Size:   400, | |
| 			Expected: []*ChunkView{ | |
| 				{OffsetInChunk: 0, ViewSize: 200, FileId: "asdf", ViewOffset: 0}, | |
| 				{OffsetInChunk: 0, ViewSize: 150, FileId: "xxxx", ViewOffset: 250}, | |
| 			}, | |
| 		}, | |
| 		// case 5: updates overwrite full chunks | |
| 		{ | |
| 			Chunks: []*filer_pb.FileChunk{ | |
| 				{Offset: 0, Size: 100, FileId: "a", ModifiedTsNs: 123}, | |
| 				{Offset: 0, Size: 200, FileId: "c", ModifiedTsNs: 184}, | |
| 				{Offset: 70, Size: 150, FileId: "b", ModifiedTsNs: 143}, | |
| 				{Offset: 80, Size: 100, FileId: "xxxx", ModifiedTsNs: 134}, | |
| 			}, | |
| 			Offset: 0, | |
| 			Size:   220, | |
| 			Expected: []*ChunkView{ | |
| 				{OffsetInChunk: 0, ViewSize: 200, FileId: "c", ViewOffset: 0}, | |
| 				{OffsetInChunk: 130, ViewSize: 20, FileId: "b", ViewOffset: 200}, | |
| 			}, | |
| 		}, | |
| 		// case 6: same updates | |
| 		{ | |
| 			Chunks: []*filer_pb.FileChunk{ | |
| 				{Offset: 0, Size: 100, FileId: "abc", Fid: &filer_pb.FileId{FileKey: 1}, ModifiedTsNs: 123}, | |
| 				{Offset: 0, Size: 100, FileId: "def", Fid: &filer_pb.FileId{FileKey: 2}, ModifiedTsNs: 124}, | |
| 				{Offset: 0, Size: 100, FileId: "xyz", Fid: &filer_pb.FileId{FileKey: 3}, ModifiedTsNs: 125}, | |
| 			}, | |
| 			Offset: 0, | |
| 			Size:   100, | |
| 			Expected: []*ChunkView{ | |
| 				{OffsetInChunk: 0, ViewSize: 100, FileId: "xyz", ViewOffset: 0}, | |
| 			}, | |
| 		}, | |
| 		// case 7: edge cases | |
| 		{ | |
| 			Chunks: []*filer_pb.FileChunk{ | |
| 				{Offset: 0, Size: 100, FileId: "abc", ModifiedTsNs: 123}, | |
| 				{Offset: 100, Size: 100, FileId: "asdf", ModifiedTsNs: 134}, | |
| 				{Offset: 200, Size: 100, FileId: "fsad", ModifiedTsNs: 353}, | |
| 			}, | |
| 			Offset: 0, | |
| 			Size:   200, | |
| 			Expected: []*ChunkView{ | |
| 				{OffsetInChunk: 0, ViewSize: 100, FileId: "abc", ViewOffset: 0}, | |
| 				{OffsetInChunk: 0, ViewSize: 100, FileId: "asdf", ViewOffset: 100}, | |
| 			}, | |
| 		}, | |
| 		// case 8: edge cases | |
| 		{ | |
| 			Chunks: []*filer_pb.FileChunk{ | |
| 				{Offset: 0, Size: 100, FileId: "abc", ModifiedTsNs: 123}, | |
| 				{Offset: 90, Size: 200, FileId: "asdf", ModifiedTsNs: 134}, | |
| 				{Offset: 190, Size: 300, FileId: "fsad", ModifiedTsNs: 353}, | |
| 			}, | |
| 			Offset: 0, | |
| 			Size:   300, | |
| 			Expected: []*ChunkView{ | |
| 				{OffsetInChunk: 0, ViewSize: 90, FileId: "abc", ViewOffset: 0}, | |
| 				{OffsetInChunk: 0, ViewSize: 100, FileId: "asdf", ViewOffset: 90}, | |
| 				{OffsetInChunk: 0, ViewSize: 110, FileId: "fsad", ViewOffset: 190}, | |
| 			}, | |
| 		}, | |
| 		// case 9: edge cases | |
| 		{ | |
| 			Chunks: []*filer_pb.FileChunk{ | |
| 				{Offset: 0, Size: 43175947, FileId: "2,111fc2cbfac1", ModifiedTsNs: 1}, | |
| 				{Offset: 43175936, Size: 52981771 - 43175936, FileId: "2,112a36ea7f85", ModifiedTsNs: 2}, | |
| 				{Offset: 52981760, Size: 72564747 - 52981760, FileId: "4,112d5f31c5e7", ModifiedTsNs: 3}, | |
| 				{Offset: 72564736, Size: 133255179 - 72564736, FileId: "1,113245f0cdb6", ModifiedTsNs: 4}, | |
| 				{Offset: 133255168, Size: 137269259 - 133255168, FileId: "3,1141a70733b5", ModifiedTsNs: 5}, | |
| 				{Offset: 137269248, Size: 153578836 - 137269248, FileId: "1,114201d5bbdb", ModifiedTsNs: 6}, | |
| 			}, | |
| 			Offset: 0, | |
| 			Size:   153578836, | |
| 			Expected: []*ChunkView{ | |
| 				{OffsetInChunk: 0, ViewSize: 43175936, FileId: "2,111fc2cbfac1", ViewOffset: 0}, | |
| 				{OffsetInChunk: 0, ViewSize: 52981760 - 43175936, FileId: "2,112a36ea7f85", ViewOffset: 43175936}, | |
| 				{OffsetInChunk: 0, ViewSize: 72564736 - 52981760, FileId: "4,112d5f31c5e7", ViewOffset: 52981760}, | |
| 				{OffsetInChunk: 0, ViewSize: 133255168 - 72564736, FileId: "1,113245f0cdb6", ViewOffset: 72564736}, | |
| 				{OffsetInChunk: 0, ViewSize: 137269248 - 133255168, FileId: "3,1141a70733b5", ViewOffset: 133255168}, | |
| 				{OffsetInChunk: 0, ViewSize: 153578836 - 137269248, FileId: "1,114201d5bbdb", ViewOffset: 137269248}, | |
| 			}, | |
| 		}, | |
| 	} | |
| 
 | |
| 	for i, testcase := range testcases { | |
| 		if i != 2 { | |
| 			// continue | |
| 		} | |
| 		log.Printf("++++++++++ read test case %d ++++++++++++++++++++", i) | |
| 		chunks := ViewFromChunks(context.Background(), nil, testcase.Chunks, testcase.Offset, testcase.Size) | |
| 		x := -1 | |
| 		for c := chunks.Front(); c != nil; c = c.Next { | |
| 			x++ | |
| 			chunk := c.Value | |
| 			log.Printf("read case %d, chunk %d, offset=%d, size=%d, fileId=%s", | |
| 				i, x, chunk.OffsetInChunk, chunk.ViewSize, chunk.FileId) | |
| 			if chunk.OffsetInChunk != testcase.Expected[x].OffsetInChunk { | |
| 				t.Fatalf("failed on read case %d, chunk %s, Offset %d, expect %d", | |
| 					i, chunk.FileId, chunk.OffsetInChunk, testcase.Expected[x].OffsetInChunk) | |
| 			} | |
| 			if chunk.ViewSize != testcase.Expected[x].ViewSize { | |
| 				t.Fatalf("failed on read case %d, chunk %s, ViewSize %d, expect %d", | |
| 					i, chunk.FileId, chunk.ViewSize, testcase.Expected[x].ViewSize) | |
| 			} | |
| 			if chunk.FileId != testcase.Expected[x].FileId { | |
| 				t.Fatalf("failed on read case %d, chunk %d, FileId %s, expect %s", | |
| 					i, x, chunk.FileId, testcase.Expected[x].FileId) | |
| 			} | |
| 			if chunk.ViewOffset != testcase.Expected[x].ViewOffset { | |
| 				t.Fatalf("failed on read case %d, chunk %d, ViewOffset %d, expect %d", | |
| 					i, x, chunk.ViewOffset, testcase.Expected[x].ViewOffset) | |
| 			} | |
| 		} | |
| 		if chunks.Len() != len(testcase.Expected) { | |
| 			t.Fatalf("failed to read test case %d, len %d expected %d", i, chunks.Len(), len(testcase.Expected)) | |
| 		} | |
| 	} | |
| 
 | |
| } | |
| 
 | |
| func BenchmarkCompactFileChunks(b *testing.B) { | |
| 
 | |
| 	var chunks []*filer_pb.FileChunk | |
| 
 | |
| 	k := 1024 | |
| 
 | |
| 	for n := 0; n < k; n++ { | |
| 		chunks = append(chunks, &filer_pb.FileChunk{ | |
| 			Offset: int64(n * 100), Size: 100, FileId: fmt.Sprintf("fileId%d", n), ModifiedTsNs: int64(n), | |
| 		}) | |
| 		chunks = append(chunks, &filer_pb.FileChunk{ | |
| 			Offset: int64(n * 50), Size: 100, FileId: fmt.Sprintf("fileId%d", n+k), ModifiedTsNs: int64(n + k), | |
| 		}) | |
| 	} | |
| 
 | |
| 	for n := 0; n < b.N; n++ { | |
| 		CompactFileChunks(context.Background(), nil, chunks) | |
| 	} | |
| } | |
| 
 | |
| func addVisibleInterval(visibles *IntervalList[*VisibleInterval], x *VisibleInterval) { | |
| 	visibles.AppendInterval(&Interval[*VisibleInterval]{ | |
| 		StartOffset: x.start, | |
| 		StopOffset:  x.stop, | |
| 		TsNs:        x.modifiedTsNs, | |
| 		Value:       x, | |
| 	}) | |
| } | |
| 
 | |
| func TestViewFromVisibleIntervals(t *testing.T) { | |
| 	visibles := NewIntervalList[*VisibleInterval]() | |
| 	addVisibleInterval(visibles, &VisibleInterval{ | |
| 		start:  0, | |
| 		stop:   25, | |
| 		fileId: "fid1", | |
| 	}) | |
| 	addVisibleInterval(visibles, &VisibleInterval{ | |
| 		start:  4096, | |
| 		stop:   8192, | |
| 		fileId: "fid2", | |
| 	}) | |
| 	addVisibleInterval(visibles, &VisibleInterval{ | |
| 		start:  16384, | |
| 		stop:   18551, | |
| 		fileId: "fid3", | |
| 	}) | |
| 
 | |
| 	views := ViewFromVisibleIntervals(visibles, 0, math.MaxInt32) | |
| 
 | |
| 	if views.Len() != visibles.Len() { | |
| 		assert.Equal(t, visibles.Len(), views.Len(), "ViewFromVisibleIntervals error") | |
| 	} | |
| 
 | |
| } | |
| 
 | |
| func TestViewFromVisibleIntervals2(t *testing.T) { | |
| 	visibles := NewIntervalList[*VisibleInterval]() | |
| 	addVisibleInterval(visibles, &VisibleInterval{ | |
| 		start:  344064, | |
| 		stop:   348160, | |
| 		fileId: "fid1", | |
| 	}) | |
| 	addVisibleInterval(visibles, &VisibleInterval{ | |
| 		start:  348160, | |
| 		stop:   356352, | |
| 		fileId: "fid2", | |
| 	}) | |
| 
 | |
| 	views := ViewFromVisibleIntervals(visibles, 0, math.MaxInt32) | |
| 
 | |
| 	if views.Len() != visibles.Len() { | |
| 		assert.Equal(t, visibles.Len(), views.Len(), "ViewFromVisibleIntervals error") | |
| 	} | |
| 
 | |
| } | |
| 
 | |
| func TestViewFromVisibleIntervals3(t *testing.T) { | |
| 	visibles := NewIntervalList[*VisibleInterval]() | |
| 	addVisibleInterval(visibles, &VisibleInterval{ | |
| 		start:  1000, | |
| 		stop:   2000, | |
| 		fileId: "fid1", | |
| 	}) | |
| 	addVisibleInterval(visibles, &VisibleInterval{ | |
| 		start:  3000, | |
| 		stop:   4000, | |
| 		fileId: "fid2", | |
| 	}) | |
| 
 | |
| 	views := ViewFromVisibleIntervals(visibles, 1700, 1500) | |
| 
 | |
| 	if views.Len() != visibles.Len() { | |
| 		assert.Equal(t, visibles.Len(), views.Len(), "ViewFromVisibleIntervals error") | |
| 	} | |
| 
 | |
| } | |
| 
 | |
| func TestCompactFileChunks3(t *testing.T) { | |
| 	chunks := []*filer_pb.FileChunk{ | |
| 		{Offset: 0, Size: 100, FileId: "abc", ModifiedTsNs: 50}, | |
| 		{Offset: 100, Size: 100, FileId: "ghi", ModifiedTsNs: 50}, | |
| 		{Offset: 200, Size: 100, FileId: "jkl", ModifiedTsNs: 100}, | |
| 		{Offset: 300, Size: 100, FileId: "def", ModifiedTsNs: 200}, | |
| 	} | |
| 
 | |
| 	compacted, _ := CompactFileChunks(context.Background(), nil, chunks) | |
| 
 | |
| 	if len(compacted) != 4 { | |
| 		t.Fatalf("unexpected compacted: %d", len(compacted)) | |
| 	} | |
| }
 |