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554 lines
21 KiB
554 lines
21 KiB
// Copyright 2021 The Prometheus Authors |
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// Licensed under the Apache License, Version 2.0 (the "License"); |
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// you may not use this file except in compliance with the License. |
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// You may obtain a copy of the License at |
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// |
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// http://www.apache.org/licenses/LICENSE-2.0 |
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// |
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// Unless required by applicable law or agreed to in writing, software |
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// distributed under the License is distributed on an "AS IS" BASIS, |
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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// See the License for the specific language governing permissions and |
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// limitations under the License. |
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package tsdb |
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import ( |
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"fmt" |
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"sync" |
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"testing" |
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"github.com/stretchr/testify/require" |
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"github.com/prometheus/prometheus/model/labels" |
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"github.com/prometheus/prometheus/tsdb/chunkenc" |
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"github.com/prometheus/prometheus/tsdb/chunks" |
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) |
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func TestBoundedChunk(t *testing.T) { |
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tests := []struct { |
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name string |
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inputChunk chunkenc.Chunk |
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inputMinT int64 |
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inputMaxT int64 |
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initialSeek int64 |
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seekIsASuccess bool |
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expSamples []sample |
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}{ |
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{ |
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name: "if there are no samples it returns nothing", |
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inputChunk: newTestChunk(0), |
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expSamples: nil, |
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}, |
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{ |
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name: "bounds represent a single sample", |
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inputChunk: newTestChunk(10), |
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expSamples: []sample{ |
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{0, 0, nil, nil}, |
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}, |
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}, |
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{ |
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name: "if there are bounds set only samples within them are returned", |
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inputChunk: newTestChunk(10), |
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inputMinT: 1, |
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inputMaxT: 8, |
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expSamples: []sample{ |
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{1, 1, nil, nil}, |
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{2, 2, nil, nil}, |
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{3, 3, nil, nil}, |
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{4, 4, nil, nil}, |
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{5, 5, nil, nil}, |
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{6, 6, nil, nil}, |
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{7, 7, nil, nil}, |
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{8, 8, nil, nil}, |
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}, |
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}, |
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{ |
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name: "if bounds set and only maxt is less than actual maxt", |
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inputChunk: newTestChunk(10), |
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inputMinT: 0, |
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inputMaxT: 5, |
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expSamples: []sample{ |
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{0, 0, nil, nil}, |
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{1, 1, nil, nil}, |
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{2, 2, nil, nil}, |
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{3, 3, nil, nil}, |
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{4, 4, nil, nil}, |
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{5, 5, nil, nil}, |
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}, |
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}, |
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{ |
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name: "if bounds set and only mint is more than actual mint", |
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inputChunk: newTestChunk(10), |
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inputMinT: 5, |
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inputMaxT: 9, |
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expSamples: []sample{ |
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{5, 5, nil, nil}, |
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{6, 6, nil, nil}, |
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{7, 7, nil, nil}, |
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{8, 8, nil, nil}, |
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{9, 9, nil, nil}, |
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}, |
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}, |
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{ |
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name: "if there are bounds set with seek before mint", |
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inputChunk: newTestChunk(10), |
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inputMinT: 3, |
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inputMaxT: 7, |
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initialSeek: 1, |
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seekIsASuccess: true, |
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expSamples: []sample{ |
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{3, 3, nil, nil}, |
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{4, 4, nil, nil}, |
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{5, 5, nil, nil}, |
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{6, 6, nil, nil}, |
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{7, 7, nil, nil}, |
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}, |
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}, |
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{ |
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name: "if there are bounds set with seek between mint and maxt", |
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inputChunk: newTestChunk(10), |
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inputMinT: 3, |
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inputMaxT: 7, |
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initialSeek: 5, |
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seekIsASuccess: true, |
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expSamples: []sample{ |
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{5, 5, nil, nil}, |
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{6, 6, nil, nil}, |
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{7, 7, nil, nil}, |
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}, |
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}, |
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{ |
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name: "if there are bounds set with seek after maxt", |
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inputChunk: newTestChunk(10), |
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inputMinT: 3, |
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inputMaxT: 7, |
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initialSeek: 8, |
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seekIsASuccess: false, |
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}, |
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} |
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for _, tc := range tests { |
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t.Run(fmt.Sprintf("name=%s", tc.name), func(t *testing.T) { |
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iterable := boundedIterable{tc.inputChunk, tc.inputMinT, tc.inputMaxT} |
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var samples []sample |
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it := iterable.Iterator(nil) |
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if tc.initialSeek != 0 { |
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// Testing Seek() |
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val := it.Seek(tc.initialSeek) |
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require.Equal(t, tc.seekIsASuccess, val == chunkenc.ValFloat) |
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if val == chunkenc.ValFloat { |
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t, v := it.At() |
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samples = append(samples, sample{t, v, nil, nil}) |
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} |
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} |
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// Testing Next() |
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for it.Next() == chunkenc.ValFloat { |
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t, v := it.At() |
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samples = append(samples, sample{t, v, nil, nil}) |
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} |
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// it.Next() should keep returning no value. |
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for i := 0; i < 10; i++ { |
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require.Equal(t, chunkenc.ValNone, it.Next()) |
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} |
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require.Equal(t, tc.expSamples, samples) |
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}) |
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} |
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} |
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func newTestChunk(numSamples int) chunkenc.Chunk { |
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xor := chunkenc.NewXORChunk() |
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a, _ := xor.Appender() |
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for i := 0; i < numSamples; i++ { |
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a.Append(int64(i), float64(i)) |
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} |
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return xor |
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} |
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// TestMemSeries_chunk runs a series of tests on memSeries.chunk() calls. |
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// It will simulate various conditions to ensure all code paths in that function are covered. |
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func TestMemSeries_chunk(t *testing.T) { |
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const chunkRange int64 = 100 |
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const chunkStep int64 = 5 |
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appendSamples := func(t *testing.T, s *memSeries, start, end int64, cdm *chunks.ChunkDiskMapper) { |
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for i := start; i < end; i += chunkStep { |
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ok, _ := s.append(i, float64(i), 0, chunkOpts{ |
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chunkDiskMapper: cdm, |
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chunkRange: chunkRange, |
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samplesPerChunk: DefaultSamplesPerChunk, |
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}) |
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require.True(t, ok, "sample append failed") |
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} |
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} |
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type setupFn func(*testing.T, *memSeries, *chunks.ChunkDiskMapper) |
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type callOutput uint8 |
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const ( |
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outOpenHeadChunk callOutput = iota // memSeries.chunk() call returned memSeries.headChunks with headChunk=true & isOpen=true |
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outClosedHeadChunk // memSeries.chunk() call returned memSeries.headChunks with headChunk=true & isOpen=false |
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outMmappedChunk // memSeries.chunk() call returned a chunk from memSeries.mmappedChunks with headChunk=false |
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outErr // memSeries.chunk() call returned an error |
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) |
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tests := []struct { |
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name string |
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setup setupFn // optional function called just before the test memSeries.chunk() call |
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inputID chunks.HeadChunkID // requested chunk id for memSeries.chunk() call |
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expected callOutput |
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}{ |
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{ |
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name: "call ix=0 on empty memSeries", |
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inputID: 0, |
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expected: outErr, |
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}, |
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{ |
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name: "call ix=1 on empty memSeries", |
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inputID: 1, |
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expected: outErr, |
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}, |
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{ |
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name: "firstChunkID > ix", |
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setup: func(t *testing.T, s *memSeries, cdm *chunks.ChunkDiskMapper) { |
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appendSamples(t, s, 0, chunkRange, cdm) |
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require.Empty(t, s.mmappedChunks, "wrong number of mmappedChunks") |
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require.Equal(t, 1, s.headChunks.len(), "wrong number of headChunks") |
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require.Equal(t, int64(0), s.headChunks.oldest().minTime, "wrong minTime on last headChunks element") |
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require.Equal(t, chunkRange-chunkStep, s.headChunks.maxTime, "wrong maxTime on first headChunks element") |
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s.firstChunkID = 5 |
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}, |
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inputID: 1, |
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expected: outErr, |
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}, |
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{ |
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name: "call ix=0 on memSeries with no mmapped chunks", |
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setup: func(t *testing.T, s *memSeries, cdm *chunks.ChunkDiskMapper) { |
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appendSamples(t, s, 0, chunkRange, cdm) |
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require.Empty(t, s.mmappedChunks, "wrong number of mmappedChunks") |
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require.Equal(t, 1, s.headChunks.len(), "wrong number of headChunks") |
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require.Equal(t, int64(0), s.headChunks.oldest().minTime, "wrong minTime on last headChunks element") |
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require.Equal(t, chunkRange-chunkStep, s.headChunks.maxTime, "wrong maxTime on first headChunks element") |
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}, |
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inputID: 0, |
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expected: outOpenHeadChunk, |
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}, |
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{ |
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name: "call ix=1 on memSeries with no mmapped chunks", |
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setup: func(t *testing.T, s *memSeries, cdm *chunks.ChunkDiskMapper) { |
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appendSamples(t, s, 0, chunkRange, cdm) |
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require.Empty(t, s.mmappedChunks, "wrong number of mmappedChunks") |
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require.Equal(t, 1, s.headChunks.len(), "wrong number of headChunks") |
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require.Equal(t, int64(0), s.headChunks.oldest().minTime, "wrong minTime on last headChunks element") |
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require.Equal(t, chunkRange-chunkStep, s.headChunks.maxTime, "wrong maxTime on first headChunks element") |
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}, |
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inputID: 1, |
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expected: outErr, |
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}, |
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{ |
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name: "call ix=10 on memSeries with no mmapped chunks", |
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setup: func(t *testing.T, s *memSeries, cdm *chunks.ChunkDiskMapper) { |
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appendSamples(t, s, 0, chunkRange, cdm) |
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require.Empty(t, s.mmappedChunks, "wrong number of mmappedChunks") |
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require.Equal(t, 1, s.headChunks.len(), "wrong number of headChunks") |
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require.Equal(t, int64(0), s.headChunks.oldest().minTime, "wrong minTime on last headChunks element") |
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require.Equal(t, chunkRange-chunkStep, s.headChunks.maxTime, "wrong maxTime on first headChunks element") |
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}, |
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inputID: 10, |
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expected: outErr, |
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}, |
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{ |
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name: "call ix=0 on memSeries with 3 mmapped chunks", |
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setup: func(t *testing.T, s *memSeries, cdm *chunks.ChunkDiskMapper) { |
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appendSamples(t, s, 0, chunkRange*4, cdm) |
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s.mmapChunks(cdm) |
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require.Len(t, s.mmappedChunks, 3, "wrong number of mmappedChunks") |
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require.Equal(t, 1, s.headChunks.len(), "wrong number of headChunks") |
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require.Equal(t, chunkRange*3, s.headChunks.oldest().minTime, "wrong minTime on last headChunks element") |
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require.Equal(t, (chunkRange*4)-chunkStep, s.headChunks.maxTime, "wrong maxTime on first headChunks element") |
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}, |
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inputID: 0, |
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expected: outMmappedChunk, |
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}, |
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{ |
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name: "call ix=1 on memSeries with 3 mmapped chunks", |
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setup: func(t *testing.T, s *memSeries, cdm *chunks.ChunkDiskMapper) { |
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appendSamples(t, s, 0, chunkRange*4, cdm) |
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s.mmapChunks(cdm) |
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require.Len(t, s.mmappedChunks, 3, "wrong number of mmappedChunks") |
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require.Equal(t, 1, s.headChunks.len(), "wrong number of headChunks") |
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require.Equal(t, chunkRange*3, s.headChunks.oldest().minTime, "wrong minTime on last headChunks element") |
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require.Equal(t, (chunkRange*4)-chunkStep, s.headChunks.maxTime, "wrong maxTime on first headChunks element") |
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}, |
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inputID: 1, |
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expected: outMmappedChunk, |
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}, |
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{ |
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name: "call ix=3 on memSeries with 3 mmapped chunks", |
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setup: func(t *testing.T, s *memSeries, cdm *chunks.ChunkDiskMapper) { |
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appendSamples(t, s, 0, chunkRange*4, cdm) |
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s.mmapChunks(cdm) |
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require.Len(t, s.mmappedChunks, 3, "wrong number of mmappedChunks") |
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require.Equal(t, 1, s.headChunks.len(), "wrong number of headChunks") |
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require.Equal(t, chunkRange*3, s.headChunks.oldest().minTime, "wrong minTime on last headChunks element") |
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require.Equal(t, (chunkRange*4)-chunkStep, s.headChunks.maxTime, "wrong maxTime on first headChunks element") |
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}, |
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inputID: 3, |
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expected: outOpenHeadChunk, |
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}, |
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{ |
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name: "call ix=0 on memSeries with 3 mmapped chunks and no headChunk", |
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setup: func(t *testing.T, s *memSeries, cdm *chunks.ChunkDiskMapper) { |
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appendSamples(t, s, 0, chunkRange*4, cdm) |
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s.mmapChunks(cdm) |
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require.Len(t, s.mmappedChunks, 3, "wrong number of mmappedChunks") |
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require.Equal(t, 1, s.headChunks.len(), "wrong number of headChunks") |
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require.Equal(t, chunkRange*3, s.headChunks.oldest().minTime, "wrong minTime on last headChunks element") |
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require.Equal(t, (chunkRange*4)-chunkStep, s.headChunks.maxTime, "wrong maxTime on first headChunks element") |
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s.headChunks = nil |
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}, |
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inputID: 0, |
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expected: outMmappedChunk, |
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}, |
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{ |
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name: "call ix=2 on memSeries with 3 mmapped chunks and no headChunk", |
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setup: func(t *testing.T, s *memSeries, cdm *chunks.ChunkDiskMapper) { |
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appendSamples(t, s, 0, chunkRange*4, cdm) |
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s.mmapChunks(cdm) |
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require.Len(t, s.mmappedChunks, 3, "wrong number of mmappedChunks") |
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require.Equal(t, 1, s.headChunks.len(), "wrong number of headChunks") |
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require.Equal(t, chunkRange*3, s.headChunks.oldest().minTime, "wrong minTime on last headChunks element") |
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require.Equal(t, (chunkRange*4)-chunkStep, s.headChunks.maxTime, "wrong maxTime on first headChunks element") |
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s.headChunks = nil |
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}, |
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inputID: 2, |
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expected: outMmappedChunk, |
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}, |
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{ |
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name: "call ix=3 on memSeries with 3 mmapped chunks and no headChunk", |
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setup: func(t *testing.T, s *memSeries, cdm *chunks.ChunkDiskMapper) { |
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appendSamples(t, s, 0, chunkRange*4, cdm) |
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s.mmapChunks(cdm) |
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require.Len(t, s.mmappedChunks, 3, "wrong number of mmappedChunks") |
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require.Equal(t, 1, s.headChunks.len(), "wrong number of headChunks") |
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require.Equal(t, chunkRange*3, s.headChunks.oldest().minTime, "wrong minTime on last headChunks element") |
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require.Equal(t, (chunkRange*4)-chunkStep, s.headChunks.maxTime, "wrong maxTime on first headChunks element") |
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s.headChunks = nil |
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}, |
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inputID: 3, |
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expected: outErr, |
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}, |
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{ |
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name: "call ix=1 on memSeries with 3 mmapped chunks and closed ChunkDiskMapper", |
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setup: func(t *testing.T, s *memSeries, cdm *chunks.ChunkDiskMapper) { |
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appendSamples(t, s, 0, chunkRange*4, cdm) |
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s.mmapChunks(cdm) |
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require.Len(t, s.mmappedChunks, 3, "wrong number of mmappedChunks") |
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require.Equal(t, 1, s.headChunks.len(), "wrong number of headChunks") |
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require.Equal(t, chunkRange*3, s.headChunks.oldest().minTime, "wrong minTime on last headChunks element") |
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require.Equal(t, (chunkRange*4)-chunkStep, s.headChunks.maxTime, "wrong maxTime on first headChunks element") |
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cdm.Close() |
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}, |
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inputID: 1, |
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expected: outErr, |
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}, |
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{ |
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name: "call ix=3 on memSeries with 3 mmapped chunks and closed ChunkDiskMapper", |
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setup: func(t *testing.T, s *memSeries, cdm *chunks.ChunkDiskMapper) { |
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appendSamples(t, s, 0, chunkRange*4, cdm) |
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s.mmapChunks(cdm) |
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require.Len(t, s.mmappedChunks, 3, "wrong number of mmappedChunks") |
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require.Equal(t, 1, s.headChunks.len(), "wrong number of headChunks") |
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require.Equal(t, chunkRange*3, s.headChunks.oldest().minTime, "wrong minTime on last headChunks element") |
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require.Equal(t, (chunkRange*4)-chunkStep, s.headChunks.maxTime, "wrong maxTime on first headChunks element") |
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cdm.Close() |
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}, |
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inputID: 3, |
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expected: outOpenHeadChunk, |
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}, |
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{ |
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name: "call ix=0 on memSeries with 3 head chunks and no mmapped chunks", |
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setup: func(t *testing.T, s *memSeries, cdm *chunks.ChunkDiskMapper) { |
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appendSamples(t, s, 0, chunkRange*3, cdm) |
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require.Empty(t, s.mmappedChunks, "wrong number of mmappedChunks") |
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require.Equal(t, 3, s.headChunks.len(), "wrong number of headChunks") |
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require.Equal(t, int64(0), s.headChunks.oldest().minTime, "wrong minTime on last headChunks element") |
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require.Equal(t, (chunkRange*3)-chunkStep, s.headChunks.maxTime, "wrong maxTime on first headChunks element") |
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}, |
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inputID: 0, |
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expected: outClosedHeadChunk, |
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}, |
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{ |
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name: "call ix=1 on memSeries with 3 head chunks and no mmapped chunks", |
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setup: func(t *testing.T, s *memSeries, cdm *chunks.ChunkDiskMapper) { |
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appendSamples(t, s, 0, chunkRange*3, cdm) |
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require.Empty(t, s.mmappedChunks, "wrong number of mmappedChunks") |
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require.Equal(t, 3, s.headChunks.len(), "wrong number of headChunks") |
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require.Equal(t, int64(0), s.headChunks.oldest().minTime, "wrong minTime on last headChunks element") |
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require.Equal(t, (chunkRange*3)-chunkStep, s.headChunks.maxTime, "wrong maxTime on first headChunks element") |
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}, |
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inputID: 1, |
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expected: outClosedHeadChunk, |
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}, |
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{ |
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name: "call ix=10 on memSeries with 3 head chunks and no mmapped chunks", |
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setup: func(t *testing.T, s *memSeries, cdm *chunks.ChunkDiskMapper) { |
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appendSamples(t, s, 0, chunkRange*3, cdm) |
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require.Empty(t, s.mmappedChunks, "wrong number of mmappedChunks") |
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require.Equal(t, 3, s.headChunks.len(), "wrong number of headChunks") |
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require.Equal(t, int64(0), s.headChunks.oldest().minTime, "wrong minTime on last headChunks element") |
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require.Equal(t, (chunkRange*3)-chunkStep, s.headChunks.maxTime, "wrong maxTime on first headChunks element") |
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}, |
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inputID: 10, |
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expected: outErr, |
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}, |
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{ |
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name: "call ix=0 on memSeries with 3 head chunks and 3 mmapped chunks", |
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setup: func(t *testing.T, s *memSeries, cdm *chunks.ChunkDiskMapper) { |
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appendSamples(t, s, 0, chunkRange*4, cdm) |
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s.mmapChunks(cdm) |
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require.Len(t, s.mmappedChunks, 3, "wrong number of mmappedChunks") |
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require.Equal(t, 1, s.headChunks.len(), "wrong number of headChunks") |
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|
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appendSamples(t, s, chunkRange*4, chunkRange*6, cdm) |
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require.Equal(t, 3, s.headChunks.len(), "wrong number of headChunks") |
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require.Len(t, s.mmappedChunks, 3, "wrong number of mmappedChunks") |
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require.Equal(t, chunkRange*3, s.headChunks.oldest().minTime, "wrong minTime on last headChunks element") |
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require.Equal(t, (chunkRange*6)-chunkStep, s.headChunks.maxTime, "wrong maxTime on first headChunks element") |
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}, |
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inputID: 0, |
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expected: outMmappedChunk, |
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}, |
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{ |
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name: "call ix=2 on memSeries with 3 head chunks and 3 mmapped chunks", |
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setup: func(t *testing.T, s *memSeries, cdm *chunks.ChunkDiskMapper) { |
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appendSamples(t, s, 0, chunkRange*4, cdm) |
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s.mmapChunks(cdm) |
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require.Len(t, s.mmappedChunks, 3, "wrong number of mmappedChunks") |
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require.Equal(t, 1, s.headChunks.len(), "wrong number of headChunks") |
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appendSamples(t, s, chunkRange*4, chunkRange*6, cdm) |
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require.Equal(t, 3, s.headChunks.len(), "wrong number of headChunks") |
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require.Len(t, s.mmappedChunks, 3, "wrong number of mmappedChunks") |
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require.Equal(t, chunkRange*3, s.headChunks.oldest().minTime, "wrong minTime on last headChunks element") |
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require.Equal(t, (chunkRange*6)-chunkStep, s.headChunks.maxTime, "wrong maxTime on first headChunks element") |
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}, |
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inputID: 2, |
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expected: outMmappedChunk, |
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}, |
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{ |
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name: "call ix=3 on memSeries with 3 head chunks and 3 mmapped chunks", |
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setup: func(t *testing.T, s *memSeries, cdm *chunks.ChunkDiskMapper) { |
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appendSamples(t, s, 0, chunkRange*4, cdm) |
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s.mmapChunks(cdm) |
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require.Len(t, s.mmappedChunks, 3, "wrong number of mmappedChunks") |
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require.Equal(t, 1, s.headChunks.len(), "wrong number of headChunks") |
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|
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appendSamples(t, s, chunkRange*4, chunkRange*6, cdm) |
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require.Equal(t, 3, s.headChunks.len(), "wrong number of headChunks") |
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require.Len(t, s.mmappedChunks, 3, "wrong number of mmappedChunks") |
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require.Equal(t, chunkRange*3, s.headChunks.oldest().minTime, "wrong minTime on last headChunks element") |
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require.Equal(t, (chunkRange*6)-chunkStep, s.headChunks.maxTime, "wrong maxTime on first headChunks element") |
|
}, |
|
inputID: 3, |
|
expected: outClosedHeadChunk, |
|
}, |
|
{ |
|
name: "call ix=5 on memSeries with 3 head chunks and 3 mmapped chunks", |
|
setup: func(t *testing.T, s *memSeries, cdm *chunks.ChunkDiskMapper) { |
|
appendSamples(t, s, 0, chunkRange*4, cdm) |
|
s.mmapChunks(cdm) |
|
require.Len(t, s.mmappedChunks, 3, "wrong number of mmappedChunks") |
|
require.Equal(t, 1, s.headChunks.len(), "wrong number of headChunks") |
|
|
|
appendSamples(t, s, chunkRange*4, chunkRange*6, cdm) |
|
require.Equal(t, 3, s.headChunks.len(), "wrong number of headChunks") |
|
require.Len(t, s.mmappedChunks, 3, "wrong number of mmappedChunks") |
|
require.Equal(t, chunkRange*3, s.headChunks.oldest().minTime, "wrong minTime on last headChunks element") |
|
require.Equal(t, (chunkRange*6)-chunkStep, s.headChunks.maxTime, "wrong maxTime on first headChunks element") |
|
}, |
|
inputID: 5, |
|
expected: outOpenHeadChunk, |
|
}, |
|
{ |
|
name: "call ix=6 on memSeries with 3 head chunks and 3 mmapped chunks", |
|
setup: func(t *testing.T, s *memSeries, cdm *chunks.ChunkDiskMapper) { |
|
appendSamples(t, s, 0, chunkRange*4, cdm) |
|
s.mmapChunks(cdm) |
|
require.Len(t, s.mmappedChunks, 3, "wrong number of mmappedChunks") |
|
require.Equal(t, 1, s.headChunks.len(), "wrong number of headChunks") |
|
|
|
appendSamples(t, s, chunkRange*4, chunkRange*6, cdm) |
|
require.Equal(t, 3, s.headChunks.len(), "wrong number of headChunks") |
|
require.Len(t, s.mmappedChunks, 3, "wrong number of mmappedChunks") |
|
require.Equal(t, chunkRange*3, s.headChunks.oldest().minTime, "wrong minTime on last headChunks element") |
|
require.Equal(t, (chunkRange*6)-chunkStep, s.headChunks.maxTime, "wrong maxTime on first headChunks element") |
|
}, |
|
inputID: 6, |
|
expected: outErr, |
|
}, |
|
|
|
{ |
|
name: "call ix=10 on memSeries with 3 head chunks and 3 mmapped chunks", |
|
setup: func(t *testing.T, s *memSeries, cdm *chunks.ChunkDiskMapper) { |
|
appendSamples(t, s, 0, chunkRange*4, cdm) |
|
s.mmapChunks(cdm) |
|
require.Len(t, s.mmappedChunks, 3, "wrong number of mmappedChunks") |
|
require.Equal(t, 1, s.headChunks.len(), "wrong number of headChunks") |
|
|
|
appendSamples(t, s, chunkRange*4, chunkRange*6, cdm) |
|
require.Equal(t, 3, s.headChunks.len(), "wrong number of headChunks") |
|
require.Len(t, s.mmappedChunks, 3, "wrong number of mmappedChunks") |
|
require.Equal(t, chunkRange*3, s.headChunks.oldest().minTime, "wrong minTime on last headChunks element") |
|
require.Equal(t, (chunkRange*6)-chunkStep, s.headChunks.maxTime, "wrong maxTime on first headChunks element") |
|
}, |
|
inputID: 10, |
|
expected: outErr, |
|
}, |
|
} |
|
|
|
memChunkPool := &sync.Pool{ |
|
New: func() interface{} { |
|
return &memChunk{} |
|
}, |
|
} |
|
|
|
for _, tc := range tests { |
|
t.Run(tc.name, func(t *testing.T) { |
|
dir := t.TempDir() |
|
chunkDiskMapper, err := chunks.NewChunkDiskMapper(nil, dir, chunkenc.NewPool(), chunks.DefaultWriteBufferSize, chunks.DefaultWriteQueueSize) |
|
require.NoError(t, err) |
|
defer func() { |
|
require.NoError(t, chunkDiskMapper.Close()) |
|
}() |
|
|
|
series := newMemSeries(labels.EmptyLabels(), 1, 0, true) |
|
|
|
if tc.setup != nil { |
|
tc.setup(t, series, chunkDiskMapper) |
|
} |
|
|
|
chk, headChunk, isOpen, err := series.chunk(tc.inputID, chunkDiskMapper, memChunkPool) |
|
switch tc.expected { |
|
case outOpenHeadChunk: |
|
require.NoError(t, err, "unexpected error") |
|
require.True(t, headChunk, "expected a chunk with headChunk=true but got headChunk=%v", headChunk) |
|
require.True(t, isOpen, "expected a chunk with isOpen=true but got isOpen=%v", isOpen) |
|
case outClosedHeadChunk: |
|
require.NoError(t, err, "unexpected error") |
|
require.True(t, headChunk, "expected a chunk with headChunk=true but got headChunk=%v", headChunk) |
|
require.False(t, isOpen, "expected a chunk with isOpen=false but got isOpen=%v", isOpen) |
|
case outMmappedChunk: |
|
require.NoError(t, err, "unexpected error") |
|
require.False(t, headChunk, "expected a chunk with headChunk=false but got gc=%v", headChunk) |
|
case outErr: |
|
require.Nil(t, chk, "got a non-nil chunk reference returned with an error") |
|
require.Error(t, err) |
|
} |
|
}) |
|
} |
|
}
|
|
|