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| 1 | +/* |
| 2 | +Copyright IBM Corp. All Rights Reserved. |
| 3 | +SPDX-License-Identifier: Apache-2.0 |
| 4 | +*/ |
| 5 | + |
| 6 | +package fsblkstorage |
| 7 | + |
| 8 | +import ( |
| 9 | + "testing" |
| 10 | + "time" |
| 11 | + |
| 12 | + "github.com/hyperledger/fabric/common/ledger/testutil" |
| 13 | + "github.com/hyperledger/fabric/common/metrics" |
| 14 | + "github.com/hyperledger/fabric/common/metrics/metricsfakes" |
| 15 | + "github.com/hyperledger/fabric/common/util" |
| 16 | + "github.com/stretchr/testify/assert" |
| 17 | +) |
| 18 | + |
| 19 | +func TestStatsBlockchainHeight(t *testing.T) { |
| 20 | + testMetricProvider := testutilConstructMetricProvider() |
| 21 | + env := newTestEnvWithMetricsProvider(t, NewConf(testPath(), 0), testMetricProvider.fakeProvider) |
| 22 | + defer env.Cleanup() |
| 23 | + |
| 24 | + provider := env.provider |
| 25 | + ledgerid := "ledger-stats" |
| 26 | + store, err := provider.OpenBlockStore(ledgerid) |
| 27 | + assert.NoError(t, err) |
| 28 | + defer store.Shutdown() |
| 29 | + |
| 30 | + // add genesis block |
| 31 | + blockGenerator, genesisBlock := testutil.NewBlockGenerator(t, util.GetTestChainID(), false) |
| 32 | + err = store.AddBlock(genesisBlock) |
| 33 | + assert.NoError(t, err) |
| 34 | + |
| 35 | + // add one more block |
| 36 | + b1 := blockGenerator.NextBlock([][]byte{}) |
| 37 | + err = store.AddBlock(b1) |
| 38 | + assert.NoError(t, err) |
| 39 | + |
| 40 | + // should have 3 calls for fakeBlockchainHeightGauge: OpenBlockStore, genesis block, and block b1 |
| 41 | + fakeBlockchainHeightGauge := testMetricProvider.fakeBlockchainHeightGauge |
| 42 | + expectedCallCount := 3 |
| 43 | + assert.Equal(t, expectedCallCount, fakeBlockchainHeightGauge.SetCallCount()) |
| 44 | + |
| 45 | + // verify the call for OpenBlockStore |
| 46 | + assert.Equal(t, float64(0), fakeBlockchainHeightGauge.SetArgsForCall(0)) |
| 47 | + assert.Equal(t, []string{"channel", ledgerid}, fakeBlockchainHeightGauge.WithArgsForCall(0)) |
| 48 | + |
| 49 | + // verify the call for adding genesis block |
| 50 | + assert.Equal(t, float64(1), fakeBlockchainHeightGauge.SetArgsForCall(1)) |
| 51 | + assert.Equal(t, []string{"channel", ledgerid}, fakeBlockchainHeightGauge.WithArgsForCall(1)) |
| 52 | + |
| 53 | + // verify the call for adding block b1 |
| 54 | + assert.Equal(t, float64(2), fakeBlockchainHeightGauge.SetArgsForCall(2)) |
| 55 | + assert.Equal(t, []string{"channel", ledgerid}, fakeBlockchainHeightGauge.WithArgsForCall(2)) |
| 56 | + |
| 57 | + // shutdown and reopen the store to verify blockchain height |
| 58 | + store.Shutdown() |
| 59 | + store, err = provider.OpenBlockStore(ledgerid) |
| 60 | + assert.NoError(t, err) |
| 61 | + |
| 62 | + // verify the call when opening an existing ledger - should set height correctly |
| 63 | + assert.Equal(t, float64(2), fakeBlockchainHeightGauge.SetArgsForCall(3)) |
| 64 | + assert.Equal(t, []string{"channel", ledgerid}, fakeBlockchainHeightGauge.WithArgsForCall(3)) |
| 65 | + |
| 66 | + // invoke updateBlockStats api explicitly and verify the call with fake metrics |
| 67 | + store.(*fsBlockStore).updateBlockStats(10, 1*time.Second) |
| 68 | + assert.Equal(t, float64(11), fakeBlockchainHeightGauge.SetArgsForCall(4)) |
| 69 | + assert.Equal(t, []string{"channel", ledgerid}, fakeBlockchainHeightGauge.WithArgsForCall(4)) |
| 70 | +} |
| 71 | + |
| 72 | +func TestStatsBlockCommit(t *testing.T) { |
| 73 | + testMetricProvider := testutilConstructMetricProvider() |
| 74 | + env := newTestEnvWithMetricsProvider(t, NewConf(testPath(), 0), testMetricProvider.fakeProvider) |
| 75 | + defer env.Cleanup() |
| 76 | + |
| 77 | + provider := env.provider |
| 78 | + ledgerid := "ledger-stats" |
| 79 | + store, err := provider.OpenBlockStore(ledgerid) |
| 80 | + assert.NoError(t, err) |
| 81 | + defer store.Shutdown() |
| 82 | + |
| 83 | + // add a genesis block |
| 84 | + blockGenerator, genesisBlock := testutil.NewBlockGenerator(t, util.GetTestChainID(), false) |
| 85 | + err = store.AddBlock(genesisBlock) |
| 86 | + assert.NoError(t, err) |
| 87 | + |
| 88 | + // add 3 more blocks |
| 89 | + for i := 1; i <= 3; i++ { |
| 90 | + b := blockGenerator.NextBlock([][]byte{}) |
| 91 | + err = store.AddBlock(b) |
| 92 | + assert.NoError(t, err) |
| 93 | + } |
| 94 | + |
| 95 | + fakeBlockstorageCommitTimeHist := testMetricProvider.fakeBlockstorageCommitTimeHist |
| 96 | + |
| 97 | + // should have 4 calls to fakeBlockstorageCommitTimeHist: genesis block, and 3 blocks |
| 98 | + expectedCallCount := 1 + 3 |
| 99 | + assert.Equal(t, expectedCallCount, fakeBlockstorageCommitTimeHist.ObserveCallCount()) |
| 100 | + |
| 101 | + // verify the value of channel in each call (0, 1, 2, 3) |
| 102 | + for i := 0; i < expectedCallCount; i++ { |
| 103 | + assert.Equal(t, []string{"channel", ledgerid}, fakeBlockstorageCommitTimeHist.WithArgsForCall(i)) |
| 104 | + } |
| 105 | + |
| 106 | + // invoke updateBlockStats api explicitly and verify with fake metrics (call number is 4) |
| 107 | + store.(*fsBlockStore).updateBlockStats(4, 10*time.Second) |
| 108 | + assert.Equal(t, |
| 109 | + []string{"channel", ledgerid}, |
| 110 | + testMetricProvider.fakeBlockstorageCommitTimeHist.WithArgsForCall(4), |
| 111 | + ) |
| 112 | + assert.Equal(t, |
| 113 | + float64(10), |
| 114 | + testMetricProvider.fakeBlockstorageCommitTimeHist.ObserveArgsForCall(4), |
| 115 | + ) |
| 116 | +} |
| 117 | + |
| 118 | +type testMetricProvider struct { |
| 119 | + fakeProvider *metricsfakes.Provider |
| 120 | + fakeBlockchainHeightGauge *metricsfakes.Gauge |
| 121 | + fakeBlockstorageCommitTimeHist *metricsfakes.Histogram |
| 122 | +} |
| 123 | + |
| 124 | +func testutilConstructMetricProvider() *testMetricProvider { |
| 125 | + fakeProvider := &metricsfakes.Provider{} |
| 126 | + fakeBlockchainHeightGauge := testutilConstructGauge() |
| 127 | + fakeBlockstorageCommitTimeHist := testutilConstructHist() |
| 128 | + fakeProvider.NewGaugeStub = func(opts metrics.GaugeOpts) metrics.Gauge { |
| 129 | + switch opts.Name { |
| 130 | + case blockchainHeightOpts.Name: |
| 131 | + return fakeBlockchainHeightGauge |
| 132 | + default: |
| 133 | + return nil |
| 134 | + } |
| 135 | + } |
| 136 | + fakeProvider.NewHistogramStub = func(opts metrics.HistogramOpts) metrics.Histogram { |
| 137 | + switch opts.Name { |
| 138 | + case blockstorageCommitTimeOpts.Name: |
| 139 | + return fakeBlockstorageCommitTimeHist |
| 140 | + default: |
| 141 | + return nil |
| 142 | + } |
| 143 | + } |
| 144 | + |
| 145 | + return &testMetricProvider{ |
| 146 | + fakeProvider, |
| 147 | + fakeBlockchainHeightGauge, |
| 148 | + fakeBlockstorageCommitTimeHist, |
| 149 | + } |
| 150 | +} |
| 151 | + |
| 152 | +func testutilConstructGauge() *metricsfakes.Gauge { |
| 153 | + fakeGauge := &metricsfakes.Gauge{} |
| 154 | + fakeGauge.WithStub = func(lableValues ...string) metrics.Gauge { |
| 155 | + return fakeGauge |
| 156 | + } |
| 157 | + return fakeGauge |
| 158 | +} |
| 159 | + |
| 160 | +func testutilConstructHist() *metricsfakes.Histogram { |
| 161 | + fakeHist := &metricsfakes.Histogram{} |
| 162 | + fakeHist.WithStub = func(lableValues ...string) metrics.Histogram { |
| 163 | + return fakeHist |
| 164 | + } |
| 165 | + return fakeHist |
| 166 | +} |
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