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https://github.com/prometheus/prometheus
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histograms: Add missing float histograms tests for PromQL (#11780)
* test: TestSparseHistogramRate * test: TestSparseHistogram_HistogramQuantile * test: TestSparseHistogram_HistogramFraction * test: TestSparseHistogram_HistogramFraction * test: TestSparseHistogram_Sum_Count_AddOperator * test: TestSparseHistogram_HistogramCountAndSum * tests: fix TestSparseHistogram_HistogramCountAndSum * linter * refactor TestSparseHistogram_HistogramCountAndSum * wrap TestSparseHistogram_HistogramCountAndSum Signed-off-by: Marc Tuduri <marctc@protonmail.com>
This commit is contained in:
Marc Tudurí
GitHub
parent
9474610baf
commit
49f775d8a0
@ -3128,7 +3128,6 @@ func TestRangeQuery(t *testing.T) {
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func TestSparseHistogramRate(t *testing.T) {
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// TODO(beorn7): Integrate histograms into the PromQL testing framework
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// and write more tests there.
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// TODO(marctc): Add similar test for float histograms
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test, err := NewTest(t, "")
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require.NoError(t, err)
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defer test.Close()
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@ -3167,10 +3166,50 @@ func TestSparseHistogramRate(t *testing.T) {
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require.Equal(t, expectedHistogram, actualHistogram)
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}
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func TestSparseFloatHistogramRate(t *testing.T) {
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// TODO(beorn7): Integrate histograms into the PromQL testing framework
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// and write more tests there.
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test, err := NewTest(t, "")
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require.NoError(t, err)
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defer test.Close()
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seriesName := "sparse_histogram_series"
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lbls := labels.FromStrings("__name__", seriesName)
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app := test.Storage().Appender(context.TODO())
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for i, fh := range tsdb.GenerateTestFloatHistograms(100) {
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_, err := app.AppendHistogram(0, lbls, int64(i)*int64(15*time.Second/time.Millisecond), nil, fh)
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require.NoError(t, err)
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}
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require.NoError(t, app.Commit())
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require.NoError(t, test.Run())
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engine := test.QueryEngine()
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queryString := fmt.Sprintf("rate(%s[1m])", seriesName)
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qry, err := engine.NewInstantQuery(test.Queryable(), nil, queryString, timestamp.Time(int64(5*time.Minute/time.Millisecond)))
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require.NoError(t, err)
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res := qry.Exec(test.Context())
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require.NoError(t, res.Err)
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vector, err := res.Vector()
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require.NoError(t, err)
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require.Len(t, vector, 1)
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actualHistogram := vector[0].H
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expectedHistogram := &histogram.FloatHistogram{
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Schema: 1,
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ZeroThreshold: 0.001,
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ZeroCount: 1. / 15.,
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Count: 4. / 15.,
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Sum: 1.226666666666667,
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PositiveSpans: []histogram.Span{{Offset: 0, Length: 2}, {Offset: 1, Length: 2}},
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PositiveBuckets: []float64{1. / 15., 1. / 15., 1. / 15., 1. / 15.},
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}
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require.Equal(t, expectedHistogram, actualHistogram)
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}
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func TestSparseHistogram_HistogramCountAndSum(t *testing.T) {
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// TODO(codesome): Integrate histograms into the PromQL testing framework
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// and write more tests there.
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// TODO(marctc): Add similar test for float histograms
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h := &histogram.Histogram{
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Count: 24,
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ZeroCount: 4,
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@ -3188,54 +3227,68 @@ func TestSparseHistogram_HistogramCountAndSum(t *testing.T) {
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},
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NegativeBuckets: []int64{2, 1, -2, 3},
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}
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for _, floatHisto := range []bool{true, false} {
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t.Run(fmt.Sprintf("floatHistogram=%t", floatHisto), func(t *testing.T) {
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test, err := NewTest(t, "")
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require.NoError(t, err)
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t.Cleanup(test.Close)
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test, err := NewTest(t, "")
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require.NoError(t, err)
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t.Cleanup(test.Close)
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seriesName := "sparse_histogram_series"
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lbls := labels.FromStrings("__name__", seriesName)
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engine := test.QueryEngine()
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seriesName := "sparse_histogram_series"
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lbls := labels.FromStrings("__name__", seriesName)
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engine := test.QueryEngine()
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ts := int64(10 * time.Minute / time.Millisecond)
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app := test.Storage().Appender(context.TODO())
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if floatHisto {
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_, err = app.AppendHistogram(0, lbls, ts, nil, h.ToFloat())
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} else {
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_, err = app.AppendHistogram(0, lbls, ts, h, nil)
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}
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require.NoError(t, err)
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require.NoError(t, app.Commit())
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ts := int64(10 * time.Minute / time.Millisecond)
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app := test.Storage().Appender(context.TODO())
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_, err = app.AppendHistogram(0, lbls, ts, h, nil)
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require.NoError(t, err)
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require.NoError(t, app.Commit())
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queryString := fmt.Sprintf("histogram_count(%s)", seriesName)
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qry, err := engine.NewInstantQuery(test.Queryable(), nil, queryString, timestamp.Time(ts))
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require.NoError(t, err)
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queryString := fmt.Sprintf("histogram_count(%s)", seriesName)
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qry, err := engine.NewInstantQuery(test.Queryable(), nil, queryString, timestamp.Time(ts))
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require.NoError(t, err)
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res := qry.Exec(test.Context())
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require.NoError(t, res.Err)
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res := qry.Exec(test.Context())
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require.NoError(t, res.Err)
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vector, err := res.Vector()
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require.NoError(t, err)
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vector, err := res.Vector()
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require.NoError(t, err)
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require.Len(t, vector, 1)
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require.Nil(t, vector[0].H)
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if floatHisto {
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require.Equal(t, float64(h.ToFloat().Count), vector[0].V)
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} else {
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require.Equal(t, float64(h.Count), vector[0].V)
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}
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require.Len(t, vector, 1)
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require.Nil(t, vector[0].H)
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require.Equal(t, float64(h.Count), vector[0].V)
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queryString = fmt.Sprintf("histogram_sum(%s)", seriesName)
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qry, err = engine.NewInstantQuery(test.Queryable(), nil, queryString, timestamp.Time(ts))
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require.NoError(t, err)
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queryString = fmt.Sprintf("histogram_sum(%s)", seriesName)
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qry, err = engine.NewInstantQuery(test.Queryable(), nil, queryString, timestamp.Time(ts))
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require.NoError(t, err)
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res = qry.Exec(test.Context())
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require.NoError(t, res.Err)
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res = qry.Exec(test.Context())
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require.NoError(t, res.Err)
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vector, err = res.Vector()
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require.NoError(t, err)
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vector, err = res.Vector()
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require.NoError(t, err)
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require.Len(t, vector, 1)
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require.Nil(t, vector[0].H)
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require.Equal(t, h.Sum, vector[0].V)
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require.Len(t, vector, 1)
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require.Nil(t, vector[0].H)
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if floatHisto {
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require.Equal(t, h.ToFloat().Sum, vector[0].V)
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} else {
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require.Equal(t, h.Sum, vector[0].V)
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}
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})
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}
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}
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func TestSparseHistogram_HistogramQuantile(t *testing.T) {
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// TODO(codesome): Integrate histograms into the PromQL testing framework
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// and write more tests there.
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// TODO(marctc): Add similar test for float histograms
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type subCase struct {
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quantile string
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value float64
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@ -3429,43 +3482,49 @@ func TestSparseHistogram_HistogramQuantile(t *testing.T) {
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test, err := NewTest(t, "")
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require.NoError(t, err)
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t.Cleanup(test.Close)
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for i, c := range cases {
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t.Run(c.text, func(t *testing.T) {
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seriesName := "sparse_histogram_series"
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lbls := labels.FromStrings("__name__", seriesName)
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engine := test.QueryEngine()
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idx := int64(0)
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for _, floatHisto := range []bool{true, false} {
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for _, c := range cases {
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t.Run(fmt.Sprintf("%s floatHistogram=%t", c.text, floatHisto), func(t *testing.T) {
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seriesName := "sparse_histogram_series"
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lbls := labels.FromStrings("__name__", seriesName)
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engine := test.QueryEngine()
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ts := idx * int64(10*time.Minute/time.Millisecond)
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app := test.Storage().Appender(context.TODO())
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if floatHisto {
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_, err = app.AppendHistogram(0, lbls, ts, nil, c.h.ToFloat())
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} else {
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_, err = app.AppendHistogram(0, lbls, ts, c.h, nil)
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}
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require.NoError(t, err)
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require.NoError(t, app.Commit())
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ts := int64(i+1) * int64(10*time.Minute/time.Millisecond)
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app := test.Storage().Appender(context.TODO())
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_, err = app.AppendHistogram(0, lbls, ts, c.h, nil)
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require.NoError(t, err)
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require.NoError(t, app.Commit())
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for j, sc := range c.subCases {
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t.Run(fmt.Sprintf("%d %s", j, sc.quantile), func(t *testing.T) {
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queryString := fmt.Sprintf("histogram_quantile(%s, %s)", sc.quantile, seriesName)
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qry, err := engine.NewInstantQuery(test.Queryable(), nil, queryString, timestamp.Time(ts))
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require.NoError(t, err)
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for j, sc := range c.subCases {
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t.Run(fmt.Sprintf("%d %s", j, sc.quantile), func(t *testing.T) {
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queryString := fmt.Sprintf("histogram_quantile(%s, %s)", sc.quantile, seriesName)
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qry, err := engine.NewInstantQuery(test.Queryable(), nil, queryString, timestamp.Time(ts))
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require.NoError(t, err)
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res := qry.Exec(test.Context())
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require.NoError(t, res.Err)
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res := qry.Exec(test.Context())
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require.NoError(t, res.Err)
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vector, err := res.Vector()
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require.NoError(t, err)
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vector, err := res.Vector()
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require.NoError(t, err)
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require.Len(t, vector, 1)
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require.Nil(t, vector[0].H)
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require.True(t, almostEqual(sc.value, vector[0].V))
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})
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}
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})
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require.Len(t, vector, 1)
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require.Nil(t, vector[0].H)
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require.True(t, almostEqual(sc.value, vector[0].V))
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})
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}
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idx++
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})
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}
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}
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}
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func TestSparseHistogram_HistogramFraction(t *testing.T) {
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// TODO(codesome): Integrate histograms into the PromQL testing framework
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// and write more tests there.
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// TODO(marctc): Add similar test for float histograms
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type subCase struct {
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lower, upper string
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value float64
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@ -3849,52 +3908,58 @@ func TestSparseHistogram_HistogramFraction(t *testing.T) {
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}, invariantCases...),
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},
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}
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idx := int64(0)
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for _, floatHisto := range []bool{true, false} {
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for _, c := range cases {
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t.Run(fmt.Sprintf("%s floatHistogram=%t", c.text, floatHisto), func(t *testing.T) {
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test, err := NewTest(t, "")
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require.NoError(t, err)
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t.Cleanup(test.Close)
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for i, c := range cases {
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t.Run(c.text, func(t *testing.T) {
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test, err := NewTest(t, "")
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require.NoError(t, err)
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t.Cleanup(test.Close)
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seriesName := "sparse_histogram_series"
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lbls := labels.FromStrings("__name__", seriesName)
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engine := test.QueryEngine()
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seriesName := "sparse_histogram_series"
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lbls := labels.FromStrings("__name__", seriesName)
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engine := test.QueryEngine()
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ts := idx * int64(10*time.Minute/time.Millisecond)
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app := test.Storage().Appender(context.TODO())
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if floatHisto {
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_, err = app.AppendHistogram(0, lbls, ts, nil, c.h.ToFloat())
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} else {
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_, err = app.AppendHistogram(0, lbls, ts, c.h, nil)
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}
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require.NoError(t, err)
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require.NoError(t, app.Commit())
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ts := int64(i+1) * int64(10*time.Minute/time.Millisecond)
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app := test.Storage().Appender(context.TODO())
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_, err = app.AppendHistogram(0, lbls, ts, c.h, nil)
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require.NoError(t, err)
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require.NoError(t, app.Commit())
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for j, sc := range c.subCases {
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t.Run(fmt.Sprintf("%d %s %s", j, sc.lower, sc.upper), func(t *testing.T) {
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queryString := fmt.Sprintf("histogram_fraction(%s, %s, %s)", sc.lower, sc.upper, seriesName)
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qry, err := engine.NewInstantQuery(test.Queryable(), nil, queryString, timestamp.Time(ts))
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require.NoError(t, err)
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for j, sc := range c.subCases {
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t.Run(fmt.Sprintf("%d %s %s", j, sc.lower, sc.upper), func(t *testing.T) {
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queryString := fmt.Sprintf("histogram_fraction(%s, %s, %s)", sc.lower, sc.upper, seriesName)
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qry, err := engine.NewInstantQuery(test.Queryable(), nil, queryString, timestamp.Time(ts))
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require.NoError(t, err)
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res := qry.Exec(test.Context())
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require.NoError(t, res.Err)
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res := qry.Exec(test.Context())
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require.NoError(t, res.Err)
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vector, err := res.Vector()
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require.NoError(t, err)
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vector, err := res.Vector()
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require.NoError(t, err)
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require.Len(t, vector, 1)
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require.Nil(t, vector[0].H)
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if math.IsNaN(sc.value) {
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require.True(t, math.IsNaN(vector[0].V))
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return
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}
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require.Equal(t, sc.value, vector[0].V)
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})
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}
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})
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require.Len(t, vector, 1)
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require.Nil(t, vector[0].H)
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if math.IsNaN(sc.value) {
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require.True(t, math.IsNaN(vector[0].V))
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return
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}
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require.Equal(t, sc.value, vector[0].V)
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})
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}
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idx++
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})
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}
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}
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}
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func TestSparseHistogram_Sum_Count_AddOperator(t *testing.T) {
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// TODO(codesome): Integrate histograms into the PromQL testing framework
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// and write more tests there.
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// TODO(marctc): Add similar test for float histograms
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cases := []struct {
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histograms []histogram.Histogram
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expected histogram.FloatHistogram
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@ -3978,60 +4043,68 @@ func TestSparseHistogram_Sum_Count_AddOperator(t *testing.T) {
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},
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}
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for i, c := range cases {
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t.Run(fmt.Sprintf("%d", i), func(t *testing.T) {
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test, err := NewTest(t, "")
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require.NoError(t, err)
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t.Cleanup(test.Close)
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seriesName := "sparse_histogram_series"
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engine := test.QueryEngine()
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ts := int64(i+1) * int64(10*time.Minute/time.Millisecond)
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app := test.Storage().Appender(context.TODO())
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for idx, h := range c.histograms {
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lbls := labels.FromStrings("__name__", seriesName, "idx", fmt.Sprintf("%d", idx))
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// Since we mutate h later, we need to create a copy here.
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_, err = app.AppendHistogram(0, lbls, ts, h.Copy(), nil)
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idx0 := int64(0)
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for _, c := range cases {
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for _, floatHisto := range []bool{true, false} {
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t.Run(fmt.Sprintf("floatHistogram=%t %d", floatHisto, idx0), func(t *testing.T) {
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test, err := NewTest(t, "")
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require.NoError(t, err)
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}
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require.NoError(t, app.Commit())
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t.Cleanup(test.Close)
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queryAndCheck := func(queryString string, exp Vector) {
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qry, err := engine.NewInstantQuery(test.Queryable(), nil, queryString, timestamp.Time(ts))
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require.NoError(t, err)
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seriesName := "sparse_histogram_series"
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res := qry.Exec(test.Context())
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require.NoError(t, res.Err)
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engine := test.QueryEngine()
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vector, err := res.Vector()
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require.NoError(t, err)
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ts := idx0 * int64(10*time.Minute/time.Millisecond)
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app := test.Storage().Appender(context.TODO())
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for idx1, h := range c.histograms {
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lbls := labels.FromStrings("__name__", seriesName, "idx", fmt.Sprintf("%d", idx1))
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// Since we mutate h later, we need to create a copy here.
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if floatHisto {
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_, err = app.AppendHistogram(0, lbls, ts, nil, h.Copy().ToFloat())
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} else {
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_, err = app.AppendHistogram(0, lbls, ts, h.Copy(), nil)
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}
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require.NoError(t, err)
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}
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require.NoError(t, app.Commit())
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require.Equal(t, exp, vector)
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}
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queryAndCheck := func(queryString string, exp Vector) {
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qry, err := engine.NewInstantQuery(test.Queryable(), nil, queryString, timestamp.Time(ts))
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require.NoError(t, err)
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// sum().
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queryString := fmt.Sprintf("sum(%s)", seriesName)
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queryAndCheck(queryString, []Sample{
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{Point{T: ts, H: &c.expected}, labels.EmptyLabels()},
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res := qry.Exec(test.Context())
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require.NoError(t, res.Err)
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vector, err := res.Vector()
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require.NoError(t, err)
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require.Equal(t, exp, vector)
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}
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// sum().
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queryString := fmt.Sprintf("sum(%s)", seriesName)
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queryAndCheck(queryString, []Sample{
|
||||
{Point{T: ts, H: &c.expected}, labels.EmptyLabels()},
|
||||
})
|
||||
|
||||
// + operator.
|
||||
queryString = fmt.Sprintf(`%s{idx="0"}`, seriesName)
|
||||
for idx := 1; idx < len(c.histograms); idx++ {
|
||||
queryString += fmt.Sprintf(` + ignoring(idx) %s{idx="%d"}`, seriesName, idx)
|
||||
}
|
||||
queryAndCheck(queryString, []Sample{
|
||||
{Point{T: ts, H: &c.expected}, labels.EmptyLabels()},
|
||||
})
|
||||
|
||||
// count().
|
||||
queryString = fmt.Sprintf("count(%s)", seriesName)
|
||||
queryAndCheck(queryString, []Sample{
|
||||
{Point{T: ts, V: 3}, labels.EmptyLabels()},
|
||||
})
|
||||
})
|
||||
|
||||
// + operator.
|
||||
queryString = fmt.Sprintf(`%s{idx="0"}`, seriesName)
|
||||
for idx := 1; idx < len(c.histograms); idx++ {
|
||||
queryString += fmt.Sprintf(` + ignoring(idx) %s{idx="%d"}`, seriesName, idx)
|
||||
}
|
||||
queryAndCheck(queryString, []Sample{
|
||||
{Point{T: ts, H: &c.expected}, labels.EmptyLabels()},
|
||||
})
|
||||
|
||||
// count().
|
||||
queryString = fmt.Sprintf("count(%s)", seriesName)
|
||||
queryAndCheck(queryString, []Sample{
|
||||
{Point{T: ts, V: 3}, labels.EmptyLabels()},
|
||||
})
|
||||
})
|
||||
idx0++
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user