| 16 | ) |
| 17 | |
| 18 | func fillCache(t *testing.T, cache cache.Cache) ([]string, []chunkenc.Chunk) { |
| 19 | const chunkLen = 13 * 3600 // in seconds |
| 20 | |
| 21 | // put a set of chunks, larger than background batch size, with varying timestamps and values |
| 22 | keys := []string{} |
| 23 | bufs := [][]byte{} |
| 24 | chunks := []chunkenc.Chunk{} |
| 25 | for i := range 111 { |
| 26 | ts := model.TimeFromUnix(int64(i * chunkLen)) |
| 27 | promChunk := chunkenc.NewXORChunk() |
| 28 | appender, err := promChunk.Appender() |
| 29 | require.NoError(t, err) |
| 30 | appender.Append(int64(ts), float64(i)) |
| 31 | |
| 32 | cleanChunk, err := chunkenc.FromData(promChunk.Encoding(), promChunk.Bytes()) |
| 33 | require.NoError(t, err) |
| 34 | keys = append(keys, strconv.Itoa(i)) |
| 35 | bufs = append(bufs, promChunk.Bytes()) |
| 36 | chunks = append(chunks, cleanChunk) |
| 37 | } |
| 38 | |
| 39 | cache.Store(context.Background(), keys, bufs) |
| 40 | return keys, chunks |
| 41 | } |
| 42 | |
| 43 | func testCacheSingle(t *testing.T, cache cache.Cache, keys []string, chunks []chunkenc.Chunk) { |
| 44 | for range 100 { |