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896 lines
20 KiB
896 lines
20 KiB
// Copyright 2017 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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"io/ioutil"
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"math"
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"math/rand"
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"os"
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"sort"
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"testing"
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"github.com/pkg/errors"
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"github.com/prometheus/tsdb/labels"
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"github.com/prometheus/tsdb/testutil"
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)
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func openTestDB(t testing.TB, opts *Options) (db *DB, close func()) {
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tmpdir, err := ioutil.TempDir("", "test")
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testutil.Ok(t, err)
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db, err = Open(tmpdir, nil, nil, opts)
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testutil.Ok(t, err)
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// Do not close the test database by default as it will deadlock on test failures.
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return db, func() { os.RemoveAll(tmpdir) }
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}
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// query runs a matcher query against the querier and fully expands its data.
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func query(t testing.TB, q Querier, matchers ...labels.Matcher) map[string][]sample {
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ss, err := q.Select(matchers...)
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testutil.Ok(t, err)
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result := map[string][]sample{}
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for ss.Next() {
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series := ss.At()
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samples := []sample{}
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it := series.Iterator()
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for it.Next() {
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t, v := it.At()
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samples = append(samples, sample{t: t, v: v})
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}
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testutil.Ok(t, it.Err())
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name := series.Labels().String()
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result[name] = samples
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}
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testutil.Ok(t, ss.Err())
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return result
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}
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func TestDataAvailableOnlyAfterCommit(t *testing.T) {
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db, close := openTestDB(t, nil)
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defer close()
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defer db.Close()
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app := db.Appender()
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_, err := app.Add(labels.FromStrings("foo", "bar"), 0, 0)
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testutil.Ok(t, err)
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querier, err := db.Querier(0, 1)
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testutil.Ok(t, err)
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seriesSet := query(t, querier, labels.NewEqualMatcher("foo", "bar"))
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testutil.Equals(t, seriesSet, map[string][]sample{})
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testutil.Ok(t, querier.Close())
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err = app.Commit()
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testutil.Ok(t, err)
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querier, err = db.Querier(0, 1)
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testutil.Ok(t, err)
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defer querier.Close()
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seriesSet = query(t, querier, labels.NewEqualMatcher("foo", "bar"))
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testutil.Equals(t, seriesSet, map[string][]sample{`{foo="bar"}`: []sample{{t: 0, v: 0}}})
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}
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func TestDataNotAvailableAfterRollback(t *testing.T) {
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db, close := openTestDB(t, nil)
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defer close()
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defer db.Close()
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app := db.Appender()
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_, err := app.Add(labels.FromStrings("foo", "bar"), 0, 0)
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testutil.Ok(t, err)
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err = app.Rollback()
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testutil.Ok(t, err)
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querier, err := db.Querier(0, 1)
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testutil.Ok(t, err)
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defer querier.Close()
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seriesSet := query(t, querier, labels.NewEqualMatcher("foo", "bar"))
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testutil.Equals(t, seriesSet, map[string][]sample{})
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}
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func TestDBAppenderAddRef(t *testing.T) {
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db, close := openTestDB(t, nil)
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defer close()
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defer db.Close()
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app1 := db.Appender()
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ref1, err := app1.Add(labels.FromStrings("a", "b"), 123, 0)
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testutil.Ok(t, err)
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// Reference should already work before commit.
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err = app1.AddFast(ref1, 124, 1)
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testutil.Ok(t, err)
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err = app1.Commit()
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testutil.Ok(t, err)
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app2 := db.Appender()
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// first ref should already work in next transaction.
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err = app2.AddFast(ref1, 125, 0)
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testutil.Ok(t, err)
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ref2, err := app2.Add(labels.FromStrings("a", "b"), 133, 1)
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testutil.Ok(t, err)
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testutil.Assert(t, ref1 == ref2, "")
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// Reference must be valid to add another sample.
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err = app2.AddFast(ref2, 143, 2)
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testutil.Ok(t, err)
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err = app2.AddFast(9999999, 1, 1)
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testutil.Equals(t, errors.Cause(err), ErrNotFound)
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testutil.Ok(t, app2.Commit())
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q, err := db.Querier(0, 200)
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testutil.Ok(t, err)
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res := query(t, q, labels.NewEqualMatcher("a", "b"))
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testutil.Equals(t, map[string][]sample{
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labels.FromStrings("a", "b").String(): []sample{
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{t: 123, v: 0},
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{t: 124, v: 1},
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{t: 125, v: 0},
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{t: 133, v: 1},
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{t: 143, v: 2},
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},
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}, res)
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testutil.Ok(t, q.Close())
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}
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func TestDeleteSimple(t *testing.T) {
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numSamples := int64(10)
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db, close := openTestDB(t, nil)
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defer close()
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defer db.Close()
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app := db.Appender()
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smpls := make([]float64, numSamples)
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for i := int64(0); i < numSamples; i++ {
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smpls[i] = rand.Float64()
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app.Add(labels.Labels{{"a", "b"}}, i, smpls[i])
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}
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testutil.Ok(t, app.Commit())
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cases := []struct {
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intervals Intervals
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remaint []int64
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}{
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{
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intervals: Intervals{{1, 3}, {4, 7}},
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remaint: []int64{0, 8, 9},
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},
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}
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Outer:
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for _, c := range cases {
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// TODO(gouthamve): Reset the tombstones somehow.
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// Delete the ranges.
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for _, r := range c.intervals {
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testutil.Ok(t, db.Delete(r.Mint, r.Maxt, labels.NewEqualMatcher("a", "b")))
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}
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// Compare the result.
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q, err := db.Querier(0, numSamples)
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testutil.Ok(t, err)
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res, err := q.Select(labels.NewEqualMatcher("a", "b"))
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testutil.Ok(t, err)
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expSamples := make([]sample, 0, len(c.remaint))
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for _, ts := range c.remaint {
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expSamples = append(expSamples, sample{ts, smpls[ts]})
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}
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expss := newListSeriesSet([]Series{
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newSeries(map[string]string{"a": "b"}, expSamples),
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})
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if len(expSamples) == 0 {
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testutil.Assert(t, res.Next() == false, "")
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continue
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}
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for {
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eok, rok := expss.Next(), res.Next()
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testutil.Equals(t, eok, rok)
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if !eok {
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continue Outer
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}
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sexp := expss.At()
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sres := res.At()
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testutil.Equals(t, sexp.Labels(), sres.Labels())
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smplExp, errExp := expandSeriesIterator(sexp.Iterator())
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smplRes, errRes := expandSeriesIterator(sres.Iterator())
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testutil.Equals(t, errExp, errRes)
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testutil.Equals(t, smplExp, smplRes)
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}
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}
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}
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func TestAmendDatapointCausesError(t *testing.T) {
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db, close := openTestDB(t, nil)
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defer close()
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defer db.Close()
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app := db.Appender()
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_, err := app.Add(labels.Labels{}, 0, 0)
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testutil.Ok(t, err)
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testutil.Ok(t, app.Commit())
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app = db.Appender()
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_, err = app.Add(labels.Labels{}, 0, 1)
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testutil.Equals(t, ErrAmendSample, err)
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testutil.Ok(t, app.Rollback())
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}
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func TestDuplicateNaNDatapointNoAmendError(t *testing.T) {
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db, close := openTestDB(t, nil)
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defer close()
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defer db.Close()
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app := db.Appender()
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_, err := app.Add(labels.Labels{}, 0, math.NaN())
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testutil.Ok(t, err)
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testutil.Ok(t, app.Commit())
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app = db.Appender()
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_, err = app.Add(labels.Labels{}, 0, math.NaN())
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testutil.Ok(t, err)
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}
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func TestNonDuplicateNaNDatapointsCausesAmendError(t *testing.T) {
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db, close := openTestDB(t, nil)
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defer close()
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defer db.Close()
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app := db.Appender()
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_, err := app.Add(labels.Labels{}, 0, math.Float64frombits(0x7ff0000000000001))
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testutil.Ok(t, err)
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testutil.Ok(t, app.Commit())
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app = db.Appender()
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_, err = app.Add(labels.Labels{}, 0, math.Float64frombits(0x7ff0000000000002))
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testutil.Equals(t, ErrAmendSample, err)
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}
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func TestSkippingInvalidValuesInSameTxn(t *testing.T) {
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db, close := openTestDB(t, nil)
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defer close()
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defer db.Close()
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// Append AmendedValue.
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app := db.Appender()
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_, err := app.Add(labels.Labels{{"a", "b"}}, 0, 1)
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testutil.Ok(t, err)
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_, err = app.Add(labels.Labels{{"a", "b"}}, 0, 2)
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testutil.Ok(t, err)
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testutil.Ok(t, app.Commit())
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// Make sure the right value is stored.
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q, err := db.Querier(0, 10)
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testutil.Ok(t, err)
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ssMap := query(t, q, labels.NewEqualMatcher("a", "b"))
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testutil.Equals(t, map[string][]sample{
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labels.New(labels.Label{"a", "b"}).String(): []sample{{0, 1}},
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}, ssMap)
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testutil.Ok(t, q.Close())
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// Append Out of Order Value.
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app = db.Appender()
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_, err = app.Add(labels.Labels{{"a", "b"}}, 10, 3)
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testutil.Ok(t, err)
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_, err = app.Add(labels.Labels{{"a", "b"}}, 7, 5)
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testutil.Ok(t, err)
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testutil.Ok(t, app.Commit())
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q, err = db.Querier(0, 10)
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testutil.Ok(t, err)
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ssMap = query(t, q, labels.NewEqualMatcher("a", "b"))
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testutil.Equals(t, map[string][]sample{
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labels.New(labels.Label{"a", "b"}).String(): []sample{{0, 1}, {10, 3}},
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}, ssMap)
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testutil.Ok(t, q.Close())
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}
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func TestDB_Snapshot(t *testing.T) {
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db, close := openTestDB(t, nil)
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defer close()
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// append data
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app := db.Appender()
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mint := int64(1414141414000)
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for i := 0; i < 1000; i++ {
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_, err := app.Add(labels.FromStrings("foo", "bar"), mint+int64(i), 1.0)
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testutil.Ok(t, err)
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}
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testutil.Ok(t, app.Commit())
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testutil.Ok(t, app.Rollback())
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// create snapshot
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snap, err := ioutil.TempDir("", "snap")
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testutil.Ok(t, err)
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testutil.Ok(t, db.Snapshot(snap))
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testutil.Ok(t, db.Close())
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// reopen DB from snapshot
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db, err = Open(snap, nil, nil, nil)
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testutil.Ok(t, err)
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defer db.Close()
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querier, err := db.Querier(mint, mint+1000)
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testutil.Ok(t, err)
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defer querier.Close()
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// sum values
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seriesSet, err := querier.Select(labels.NewEqualMatcher("foo", "bar"))
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testutil.Ok(t, err)
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sum := 0.0
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for seriesSet.Next() {
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series := seriesSet.At().Iterator()
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for series.Next() {
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_, v := series.At()
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sum += v
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}
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testutil.Ok(t, series.Err())
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}
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testutil.Ok(t, seriesSet.Err())
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testutil.Equals(t, sum, 1000.0)
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}
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func TestDB_SnapshotWithDelete(t *testing.T) {
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numSamples := int64(10)
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db, close := openTestDB(t, nil)
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defer close()
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app := db.Appender()
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smpls := make([]float64, numSamples)
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for i := int64(0); i < numSamples; i++ {
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smpls[i] = rand.Float64()
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app.Add(labels.Labels{{"a", "b"}}, i, smpls[i])
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}
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testutil.Ok(t, app.Commit())
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cases := []struct {
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intervals Intervals
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remaint []int64
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}{
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{
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intervals: Intervals{{1, 3}, {4, 7}},
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remaint: []int64{0, 8, 9},
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},
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}
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Outer:
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for _, c := range cases {
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// TODO(gouthamve): Reset the tombstones somehow.
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// Delete the ranges.
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for _, r := range c.intervals {
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testutil.Ok(t, db.Delete(r.Mint, r.Maxt, labels.NewEqualMatcher("a", "b")))
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}
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// create snapshot
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snap, err := ioutil.TempDir("", "snap")
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testutil.Ok(t, err)
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testutil.Ok(t, db.Snapshot(snap))
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testutil.Ok(t, db.Close())
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// reopen DB from snapshot
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db, err = Open(snap, nil, nil, nil)
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testutil.Ok(t, err)
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defer db.Close()
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// Compare the result.
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q, err := db.Querier(0, numSamples)
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testutil.Ok(t, err)
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defer q.Close()
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res, err := q.Select(labels.NewEqualMatcher("a", "b"))
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testutil.Ok(t, err)
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expSamples := make([]sample, 0, len(c.remaint))
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for _, ts := range c.remaint {
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expSamples = append(expSamples, sample{ts, smpls[ts]})
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}
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expss := newListSeriesSet([]Series{
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newSeries(map[string]string{"a": "b"}, expSamples),
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})
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if len(expSamples) == 0 {
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testutil.Assert(t, res.Next() == false, "")
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continue
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}
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for {
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eok, rok := expss.Next(), res.Next()
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testutil.Equals(t, eok, rok)
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if !eok {
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continue Outer
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}
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sexp := expss.At()
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sres := res.At()
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testutil.Equals(t, sexp.Labels(), sres.Labels())
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smplExp, errExp := expandSeriesIterator(sexp.Iterator())
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smplRes, errRes := expandSeriesIterator(sres.Iterator())
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testutil.Equals(t, errExp, errRes)
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testutil.Equals(t, smplExp, smplRes)
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}
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}
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}
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func TestDB_e2e(t *testing.T) {
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const (
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numDatapoints = 1000
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numRanges = 1000
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timeInterval = int64(3)
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maxTime = int64(2 * 1000)
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minTime = int64(200)
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)
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// Create 8 series with 1000 data-points of different ranges and run queries.
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lbls := [][]labels.Label{
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{
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{"a", "b"},
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{"instance", "localhost:9090"},
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{"job", "prometheus"},
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},
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{
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{"a", "b"},
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{"instance", "127.0.0.1:9090"},
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{"job", "prometheus"},
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},
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{
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{"a", "b"},
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{"instance", "127.0.0.1:9090"},
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{"job", "prom-k8s"},
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},
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{
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{"a", "b"},
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{"instance", "localhost:9090"},
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{"job", "prom-k8s"},
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},
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{
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{"a", "c"},
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{"instance", "localhost:9090"},
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{"job", "prometheus"},
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},
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{
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{"a", "c"},
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{"instance", "127.0.0.1:9090"},
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{"job", "prometheus"},
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},
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{
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{"a", "c"},
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{"instance", "127.0.0.1:9090"},
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{"job", "prom-k8s"},
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},
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{
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{"a", "c"},
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{"instance", "localhost:9090"},
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{"job", "prom-k8s"},
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},
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}
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seriesMap := map[string][]sample{}
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for _, l := range lbls {
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seriesMap[labels.New(l...).String()] = []sample{}
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}
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db, close := openTestDB(t, nil)
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defer close()
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defer db.Close()
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app := db.Appender()
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for _, l := range lbls {
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lset := labels.New(l...)
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series := []sample{}
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ts := rand.Int63n(300)
|
|
for i := 0; i < numDatapoints; i++ {
|
|
v := rand.Float64()
|
|
|
|
series = append(series, sample{ts, v})
|
|
|
|
_, err := app.Add(lset, ts, v)
|
|
testutil.Ok(t, err)
|
|
|
|
ts += rand.Int63n(timeInterval) + 1
|
|
}
|
|
|
|
seriesMap[lset.String()] = series
|
|
}
|
|
|
|
testutil.Ok(t, app.Commit())
|
|
|
|
// Query each selector on 1000 random time-ranges.
|
|
queries := []struct {
|
|
ms []labels.Matcher
|
|
}{
|
|
{
|
|
ms: []labels.Matcher{labels.NewEqualMatcher("a", "b")},
|
|
},
|
|
{
|
|
ms: []labels.Matcher{
|
|
labels.NewEqualMatcher("a", "b"),
|
|
labels.NewEqualMatcher("job", "prom-k8s"),
|
|
},
|
|
},
|
|
{
|
|
ms: []labels.Matcher{
|
|
labels.NewEqualMatcher("a", "c"),
|
|
labels.NewEqualMatcher("instance", "localhost:9090"),
|
|
labels.NewEqualMatcher("job", "prometheus"),
|
|
},
|
|
},
|
|
// TODO: Add Regexp Matchers.
|
|
}
|
|
|
|
for _, qry := range queries {
|
|
matched := labels.Slice{}
|
|
for _, ls := range lbls {
|
|
s := labels.Selector(qry.ms)
|
|
if s.Matches(ls) {
|
|
matched = append(matched, ls)
|
|
}
|
|
}
|
|
|
|
sort.Sort(matched)
|
|
|
|
for i := 0; i < numRanges; i++ {
|
|
mint := rand.Int63n(300)
|
|
maxt := mint + rand.Int63n(timeInterval*int64(numDatapoints))
|
|
|
|
expected := map[string][]sample{}
|
|
|
|
// Build the mockSeriesSet.
|
|
for _, m := range matched {
|
|
smpls := boundedSamples(seriesMap[m.String()], mint, maxt)
|
|
if len(smpls) > 0 {
|
|
expected[m.String()] = smpls
|
|
}
|
|
}
|
|
|
|
q, err := db.Querier(mint, maxt)
|
|
testutil.Ok(t, err)
|
|
|
|
ss, err := q.Select(qry.ms...)
|
|
testutil.Ok(t, err)
|
|
|
|
result := map[string][]sample{}
|
|
|
|
for ss.Next() {
|
|
x := ss.At()
|
|
|
|
smpls, err := expandSeriesIterator(x.Iterator())
|
|
testutil.Ok(t, err)
|
|
|
|
if len(smpls) > 0 {
|
|
result[x.Labels().String()] = smpls
|
|
}
|
|
}
|
|
|
|
testutil.Ok(t, ss.Err())
|
|
testutil.Equals(t, expected, result)
|
|
|
|
q.Close()
|
|
}
|
|
}
|
|
|
|
return
|
|
}
|
|
|
|
func TestWALFlushedOnDBClose(t *testing.T) {
|
|
tmpdir, err := ioutil.TempDir("", "test")
|
|
testutil.Ok(t, err)
|
|
defer os.RemoveAll(tmpdir)
|
|
|
|
db, err := Open(tmpdir, nil, nil, nil)
|
|
testutil.Ok(t, err)
|
|
|
|
lbls := labels.Labels{labels.Label{Name: "labelname", Value: "labelvalue"}}
|
|
|
|
app := db.Appender()
|
|
_, err = app.Add(lbls, 0, 1)
|
|
testutil.Ok(t, err)
|
|
testutil.Ok(t, app.Commit())
|
|
|
|
testutil.Ok(t, db.Close())
|
|
|
|
db, err = Open(tmpdir, nil, nil, nil)
|
|
testutil.Ok(t, err)
|
|
defer db.Close()
|
|
|
|
q, err := db.Querier(0, 1)
|
|
testutil.Ok(t, err)
|
|
|
|
values, err := q.LabelValues("labelname")
|
|
testutil.Ok(t, err)
|
|
testutil.Equals(t, values, []string{"labelvalue"})
|
|
}
|
|
|
|
func TestTombstoneClean(t *testing.T) {
|
|
numSamples := int64(10)
|
|
|
|
db, close := openTestDB(t, nil)
|
|
defer close()
|
|
|
|
app := db.Appender()
|
|
|
|
smpls := make([]float64, numSamples)
|
|
for i := int64(0); i < numSamples; i++ {
|
|
smpls[i] = rand.Float64()
|
|
app.Add(labels.Labels{{"a", "b"}}, i, smpls[i])
|
|
}
|
|
|
|
testutil.Ok(t, app.Commit())
|
|
cases := []struct {
|
|
intervals Intervals
|
|
remaint []int64
|
|
}{
|
|
{
|
|
intervals: Intervals{{1, 3}, {4, 7}},
|
|
remaint: []int64{0, 8, 9},
|
|
},
|
|
}
|
|
|
|
for _, c := range cases {
|
|
// Delete the ranges.
|
|
|
|
// create snapshot
|
|
snap, err := ioutil.TempDir("", "snap")
|
|
testutil.Ok(t, err)
|
|
testutil.Ok(t, db.Snapshot(snap))
|
|
testutil.Ok(t, db.Close())
|
|
|
|
// reopen DB from snapshot
|
|
db, err = Open(snap, nil, nil, nil)
|
|
testutil.Ok(t, err)
|
|
defer db.Close()
|
|
|
|
for _, r := range c.intervals {
|
|
testutil.Ok(t, db.Delete(r.Mint, r.Maxt, labels.NewEqualMatcher("a", "b")))
|
|
}
|
|
|
|
// All of the setup for THIS line.
|
|
testutil.Ok(t, db.CleanTombstones())
|
|
|
|
// Compare the result.
|
|
q, err := db.Querier(0, numSamples)
|
|
testutil.Ok(t, err)
|
|
defer q.Close()
|
|
|
|
res, err := q.Select(labels.NewEqualMatcher("a", "b"))
|
|
testutil.Ok(t, err)
|
|
|
|
expSamples := make([]sample, 0, len(c.remaint))
|
|
for _, ts := range c.remaint {
|
|
expSamples = append(expSamples, sample{ts, smpls[ts]})
|
|
}
|
|
|
|
expss := newListSeriesSet([]Series{
|
|
newSeries(map[string]string{"a": "b"}, expSamples),
|
|
})
|
|
|
|
if len(expSamples) == 0 {
|
|
testutil.Assert(t, res.Next() == false, "")
|
|
continue
|
|
}
|
|
|
|
for {
|
|
eok, rok := expss.Next(), res.Next()
|
|
testutil.Equals(t, eok, rok)
|
|
|
|
if !eok {
|
|
break
|
|
}
|
|
sexp := expss.At()
|
|
sres := res.At()
|
|
|
|
testutil.Equals(t, sexp.Labels(), sres.Labels())
|
|
|
|
smplExp, errExp := expandSeriesIterator(sexp.Iterator())
|
|
smplRes, errRes := expandSeriesIterator(sres.Iterator())
|
|
|
|
testutil.Equals(t, errExp, errRes)
|
|
testutil.Equals(t, smplExp, smplRes)
|
|
}
|
|
|
|
for _, b := range db.blocks {
|
|
testutil.Equals(t, emptyTombstoneReader, b.tombstones)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestDB_Retention(t *testing.T) {
|
|
tmpdir, _ := ioutil.TempDir("", "test")
|
|
defer os.RemoveAll(tmpdir)
|
|
|
|
db, err := Open(tmpdir, nil, nil, nil)
|
|
testutil.Ok(t, err)
|
|
|
|
lbls := labels.Labels{labels.Label{Name: "labelname", Value: "labelvalue"}}
|
|
|
|
app := db.Appender()
|
|
_, err = app.Add(lbls, 0, 1)
|
|
testutil.Ok(t, err)
|
|
testutil.Ok(t, app.Commit())
|
|
|
|
// create snapshot to make it create a block.
|
|
// TODO(gouthamve): Add a method to compact headblock.
|
|
snap, err := ioutil.TempDir("", "snap")
|
|
testutil.Ok(t, err)
|
|
testutil.Ok(t, db.Snapshot(snap))
|
|
testutil.Ok(t, db.Close())
|
|
defer os.RemoveAll(snap)
|
|
|
|
// reopen DB from snapshot
|
|
db, err = Open(snap, nil, nil, nil)
|
|
testutil.Ok(t, err)
|
|
|
|
testutil.Equals(t, 1, len(db.blocks))
|
|
|
|
app = db.Appender()
|
|
_, err = app.Add(lbls, 100, 1)
|
|
testutil.Ok(t, err)
|
|
testutil.Ok(t, app.Commit())
|
|
|
|
// Snapshot again to create another block.
|
|
snap, err = ioutil.TempDir("", "snap")
|
|
testutil.Ok(t, err)
|
|
testutil.Ok(t, db.Snapshot(snap))
|
|
testutil.Ok(t, db.Close())
|
|
defer os.RemoveAll(snap)
|
|
|
|
// reopen DB from snapshot
|
|
db, err = Open(snap, nil, nil, &Options{
|
|
RetentionDuration: 10,
|
|
BlockRanges: []int64{50},
|
|
})
|
|
testutil.Ok(t, err)
|
|
defer db.Close()
|
|
|
|
testutil.Equals(t, 2, len(db.blocks))
|
|
|
|
// Now call retention.
|
|
changes, err := db.retentionCutoff()
|
|
testutil.Ok(t, err)
|
|
testutil.Assert(t, changes, "there should be changes")
|
|
testutil.Equals(t, 1, len(db.blocks))
|
|
testutil.Equals(t, int64(100), db.blocks[0].meta.MaxTime) // To verify its the right block.
|
|
}
|
|
|
|
func TestNotMatcherSelectsLabelsUnsetSeries(t *testing.T) {
|
|
tmpdir, _ := ioutil.TempDir("", "test")
|
|
defer os.RemoveAll(tmpdir)
|
|
|
|
db, err := Open(tmpdir, nil, nil, nil)
|
|
testutil.Ok(t, err)
|
|
defer db.Close()
|
|
|
|
labelpairs := []labels.Labels{
|
|
labels.FromStrings("a", "abcd", "b", "abcde"),
|
|
labels.FromStrings("labelname", "labelvalue"),
|
|
}
|
|
|
|
app := db.Appender()
|
|
for _, lbls := range labelpairs {
|
|
_, err = app.Add(lbls, 0, 1)
|
|
testutil.Ok(t, err)
|
|
}
|
|
testutil.Ok(t, app.Commit())
|
|
|
|
cases := []struct {
|
|
selector labels.Selector
|
|
series []labels.Labels
|
|
}{{
|
|
selector: labels.Selector{
|
|
labels.Not(labels.NewEqualMatcher("lname", "lvalue")),
|
|
},
|
|
series: labelpairs,
|
|
}, {
|
|
selector: labels.Selector{
|
|
labels.NewEqualMatcher("a", "abcd"),
|
|
labels.Not(labels.NewEqualMatcher("b", "abcde")),
|
|
},
|
|
series: []labels.Labels{},
|
|
}, {
|
|
selector: labels.Selector{
|
|
labels.NewEqualMatcher("a", "abcd"),
|
|
labels.Not(labels.NewEqualMatcher("b", "abc")),
|
|
},
|
|
series: []labels.Labels{labelpairs[0]},
|
|
}, {
|
|
selector: labels.Selector{
|
|
labels.Not(labels.NewMustRegexpMatcher("a", "abd.*")),
|
|
},
|
|
series: labelpairs,
|
|
}, {
|
|
selector: labels.Selector{
|
|
labels.Not(labels.NewMustRegexpMatcher("a", "abc.*")),
|
|
},
|
|
series: labelpairs[1:],
|
|
}, {
|
|
selector: labels.Selector{
|
|
labels.Not(labels.NewMustRegexpMatcher("c", "abd.*")),
|
|
},
|
|
series: labelpairs,
|
|
}, {
|
|
selector: labels.Selector{
|
|
labels.Not(labels.NewMustRegexpMatcher("labelname", "labelvalue")),
|
|
},
|
|
series: labelpairs[:1],
|
|
}}
|
|
|
|
q, err := db.Querier(0, 10)
|
|
testutil.Ok(t, err)
|
|
defer q.Close()
|
|
|
|
for _, c := range cases {
|
|
ss, err := q.Select(c.selector...)
|
|
testutil.Ok(t, err)
|
|
|
|
lres, err := expandSeriesSet(ss)
|
|
testutil.Ok(t, err)
|
|
|
|
testutil.Equals(t, c.series, lres)
|
|
}
|
|
}
|
|
|
|
func expandSeriesSet(ss SeriesSet) ([]labels.Labels, error) {
|
|
result := []labels.Labels{}
|
|
for ss.Next() {
|
|
result = append(result, ss.At().Labels())
|
|
}
|
|
|
|
return result, ss.Err()
|
|
}
|