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c70a059071
Add `.limit` CLI flag to `stat_statements` collector to allow setting a custom number of queries to be returned. Signed-off-by: Cristian Greco <cristian@regolo.cc>
550 lines
25 KiB
Go
550 lines
25 KiB
Go
// Copyright 2023 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 collector
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import (
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"context"
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"fmt"
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"testing"
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"github.com/DATA-DOG/go-sqlmock"
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"github.com/blang/semver/v4"
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"github.com/prometheus/client_golang/prometheus"
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dto "github.com/prometheus/client_model/go"
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"github.com/smartystreets/goconvey/convey"
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)
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func TestPGStatStatementsCollector(t *testing.T) {
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db, mock, err := sqlmock.New()
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if err != nil {
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t.Fatalf("Error opening a stub db connection: %s", err)
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}
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defer db.Close()
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inst := &instance{db: db, version: semver.MustParse("12.0.0")}
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columns := []string{"user", "datname", "queryid", "calls_total", "seconds_total", "rows_total", "block_read_seconds_total", "block_write_seconds_total"}
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rows := sqlmock.NewRows(columns).
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AddRow("postgres", "postgres", 1500, 5, 0.4, 100, 0.1, 0.2)
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mock.ExpectQuery(sanitizeQuery(fmt.Sprintf(pgStatStatementsQuery, "", defaultStatementLimit))).WillReturnRows(rows)
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ch := make(chan prometheus.Metric)
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go func() {
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defer close(ch)
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c := PGStatStatementsCollector{}
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if err := c.Update(context.Background(), inst, ch); err != nil {
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t.Errorf("Error calling PGStatStatementsCollector.Update: %s", err)
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}
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}()
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expected := []MetricResult{
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{labels: labelMap{"user": "postgres", "datname": "postgres", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 5},
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{labels: labelMap{"user": "postgres", "datname": "postgres", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 0.4},
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{labels: labelMap{"user": "postgres", "datname": "postgres", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 100},
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{labels: labelMap{"user": "postgres", "datname": "postgres", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 0.1},
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{labels: labelMap{"user": "postgres", "datname": "postgres", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 0.2},
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}
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convey.Convey("Metrics comparison", t, func() {
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for _, expect := range expected {
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m := readMetric(<-ch)
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convey.So(expect, convey.ShouldResemble, m)
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}
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})
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if err := mock.ExpectationsWereMet(); err != nil {
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t.Errorf("there were unfulfilled exceptions: %s", err)
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}
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}
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func TestPGStatStatementsCollectorWithStatement(t *testing.T) {
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db, mock, err := sqlmock.New()
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if err != nil {
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t.Fatalf("Error opening a stub db connection: %s", err)
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}
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defer db.Close()
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inst := &instance{db: db, version: semver.MustParse("12.0.0")}
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columns := []string{"user", "datname", "queryid", "LEFT(pg_stat_statements.query, 100) as query", "calls_total", "seconds_total", "rows_total", "block_read_seconds_total", "block_write_seconds_total"}
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rows := sqlmock.NewRows(columns).
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AddRow("postgres", "postgres", 1500, "select 1 from foo", 5, 0.4, 100, 0.1, 0.2)
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mock.ExpectQuery(sanitizeQuery(fmt.Sprintf(pgStatStatementsQuery, fmt.Sprintf(pgStatStatementQuerySelect, 100), defaultStatementLimit))).WillReturnRows(rows)
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ch := make(chan prometheus.Metric)
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go func() {
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defer close(ch)
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c := PGStatStatementsCollector{includeQueryStatement: true, statementLength: 100}
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if err := c.Update(context.Background(), inst, ch); err != nil {
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t.Errorf("Error calling PGStatStatementsCollector.Update: %s", err)
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}
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}()
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expected := []MetricResult{
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{labels: labelMap{"user": "postgres", "datname": "postgres", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 5},
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{labels: labelMap{"user": "postgres", "datname": "postgres", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 0.4},
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{labels: labelMap{"user": "postgres", "datname": "postgres", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 100},
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{labels: labelMap{"user": "postgres", "datname": "postgres", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 0.1},
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{labels: labelMap{"user": "postgres", "datname": "postgres", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 0.2},
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{labels: labelMap{"queryid": "1500", "query": "select 1 from foo"}, metricType: dto.MetricType_COUNTER, value: 1},
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}
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convey.Convey("Metrics comparison", t, func() {
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for _, expect := range expected {
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m := readMetric(<-ch)
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convey.So(expect, convey.ShouldResemble, m)
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}
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})
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if err := mock.ExpectationsWereMet(); err != nil {
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t.Errorf("there were unfulfilled exceptions: %s", err)
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}
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}
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func TestPGStatStatementsCollectorWithStatementAndLimit(t *testing.T) {
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db, mock, err := sqlmock.New()
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if err != nil {
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t.Fatalf("Error opening a stub db connection: %s", err)
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}
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defer db.Close()
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inst := &instance{db: db, version: semver.MustParse("12.0.0")}
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columns := []string{"user", "datname", "queryid", "LEFT(pg_stat_statements.query, 100) as query", "calls_total", "seconds_total", "rows_total", "block_read_seconds_total", "block_write_seconds_total"}
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rows := sqlmock.NewRows(columns).
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AddRow("postgres", "postgres", 1500, "select 1 from foo", 5, 0.4, 100, 0.1, 0.2)
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mock.ExpectQuery(sanitizeQuery(fmt.Sprintf(pgStatStatementsQuery, fmt.Sprintf(pgStatStatementQuerySelect, 100), "10"))).WillReturnRows(rows)
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ch := make(chan prometheus.Metric)
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go func() {
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defer close(ch)
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c := PGStatStatementsCollector{includeQueryStatement: true, statementLength: 100, statementLimit: 10}
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if err := c.Update(context.Background(), inst, ch); err != nil {
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t.Errorf("Error calling PGStatStatementsCollector.Update: %s", err)
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}
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}()
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expected := []MetricResult{
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{labels: labelMap{"user": "postgres", "datname": "postgres", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 5},
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{labels: labelMap{"user": "postgres", "datname": "postgres", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 0.4},
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{labels: labelMap{"user": "postgres", "datname": "postgres", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 100},
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{labels: labelMap{"user": "postgres", "datname": "postgres", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 0.1},
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{labels: labelMap{"user": "postgres", "datname": "postgres", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 0.2},
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{labels: labelMap{"queryid": "1500", "query": "select 1 from foo"}, metricType: dto.MetricType_COUNTER, value: 1},
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}
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convey.Convey("Metrics comparison", t, func() {
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for _, expect := range expected {
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m := readMetric(<-ch)
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convey.So(expect, convey.ShouldResemble, m)
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}
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})
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if err := mock.ExpectationsWereMet(); err != nil {
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t.Errorf("there were unfulfilled exceptions: %s", err)
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}
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}
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func TestPGStatStatementsCollectorNull(t *testing.T) {
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db, mock, err := sqlmock.New()
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if err != nil {
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t.Fatalf("Error opening a stub db connection: %s", err)
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}
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defer db.Close()
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inst := &instance{db: db, version: semver.MustParse("13.3.7")}
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columns := []string{"user", "datname", "queryid", "calls_total", "seconds_total", "rows_total", "block_read_seconds_total", "block_write_seconds_total"}
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rows := sqlmock.NewRows(columns).
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AddRow(nil, nil, nil, nil, nil, nil, nil, nil)
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mock.ExpectQuery(sanitizeQuery(fmt.Sprintf(pgStatStatementsQuery_PG13, "", defaultStatementLimit))).WillReturnRows(rows)
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ch := make(chan prometheus.Metric)
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go func() {
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defer close(ch)
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c := PGStatStatementsCollector{}
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if err := c.Update(context.Background(), inst, ch); err != nil {
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t.Errorf("Error calling PGStatStatementsCollector.Update: %s", err)
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}
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}()
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expected := []MetricResult{
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{labels: labelMap{"user": "unknown", "datname": "unknown", "queryid": "unknown"}, metricType: dto.MetricType_COUNTER, value: 0},
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{labels: labelMap{"user": "unknown", "datname": "unknown", "queryid": "unknown"}, metricType: dto.MetricType_COUNTER, value: 0},
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{labels: labelMap{"user": "unknown", "datname": "unknown", "queryid": "unknown"}, metricType: dto.MetricType_COUNTER, value: 0},
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{labels: labelMap{"user": "unknown", "datname": "unknown", "queryid": "unknown"}, metricType: dto.MetricType_COUNTER, value: 0},
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{labels: labelMap{"user": "unknown", "datname": "unknown", "queryid": "unknown"}, metricType: dto.MetricType_COUNTER, value: 0},
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}
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convey.Convey("Metrics comparison", t, func() {
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for _, expect := range expected {
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m := readMetric(<-ch)
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convey.So(expect, convey.ShouldResemble, m)
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}
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})
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if err := mock.ExpectationsWereMet(); err != nil {
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t.Errorf("there were unfulfilled exceptions: %s", err)
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}
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}
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func TestPGStatStatementsCollectorNullWithStatement(t *testing.T) {
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db, mock, err := sqlmock.New()
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if err != nil {
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t.Fatalf("Error opening a stub db connection: %s", err)
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}
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defer db.Close()
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inst := &instance{db: db, version: semver.MustParse("13.3.7")}
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columns := []string{"user", "datname", "queryid", "LEFT(pg_stat_statements.query, 200) as query", "calls_total", "seconds_total", "rows_total", "block_read_seconds_total", "block_write_seconds_total"}
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rows := sqlmock.NewRows(columns).
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AddRow(nil, nil, nil, nil, nil, nil, nil, nil, nil)
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mock.ExpectQuery(sanitizeQuery(fmt.Sprintf(pgStatStatementsQuery_PG13, fmt.Sprintf(pgStatStatementQuerySelect, 200), defaultStatementLimit))).WillReturnRows(rows)
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ch := make(chan prometheus.Metric)
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go func() {
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defer close(ch)
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c := PGStatStatementsCollector{includeQueryStatement: true, statementLength: 200}
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if err := c.Update(context.Background(), inst, ch); err != nil {
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t.Errorf("Error calling PGStatStatementsCollector.Update: %s", err)
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}
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}()
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expected := []MetricResult{
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{labels: labelMap{"user": "unknown", "datname": "unknown", "queryid": "unknown"}, metricType: dto.MetricType_COUNTER, value: 0},
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{labels: labelMap{"user": "unknown", "datname": "unknown", "queryid": "unknown"}, metricType: dto.MetricType_COUNTER, value: 0},
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{labels: labelMap{"user": "unknown", "datname": "unknown", "queryid": "unknown"}, metricType: dto.MetricType_COUNTER, value: 0},
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{labels: labelMap{"user": "unknown", "datname": "unknown", "queryid": "unknown"}, metricType: dto.MetricType_COUNTER, value: 0},
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{labels: labelMap{"user": "unknown", "datname": "unknown", "queryid": "unknown"}, metricType: dto.MetricType_COUNTER, value: 0},
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{labels: labelMap{"queryid": "unknown", "query": "unknown"}, metricType: dto.MetricType_COUNTER, value: 1},
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}
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convey.Convey("Metrics comparison", t, func() {
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for _, expect := range expected {
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m := readMetric(<-ch)
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convey.So(expect, convey.ShouldResemble, m)
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}
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})
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if err := mock.ExpectationsWereMet(); err != nil {
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t.Errorf("there were unfulfilled exceptions: %s", err)
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}
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}
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func TestPGStatStatementsCollectorNullWithStatementAndLimit(t *testing.T) {
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db, mock, err := sqlmock.New()
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if err != nil {
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t.Fatalf("Error opening a stub db connection: %s", err)
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}
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defer db.Close()
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inst := &instance{db: db, version: semver.MustParse("13.3.7")}
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columns := []string{"user", "datname", "queryid", "LEFT(pg_stat_statements.query, 200) as query", "calls_total", "seconds_total", "rows_total", "block_read_seconds_total", "block_write_seconds_total"}
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rows := sqlmock.NewRows(columns).
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AddRow(nil, nil, nil, nil, nil, nil, nil, nil, nil)
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mock.ExpectQuery(sanitizeQuery(fmt.Sprintf(pgStatStatementsQuery_PG13, fmt.Sprintf(pgStatStatementQuerySelect, 200), "10"))).WillReturnRows(rows)
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ch := make(chan prometheus.Metric)
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go func() {
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defer close(ch)
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c := PGStatStatementsCollector{includeQueryStatement: true, statementLength: 200, statementLimit: 10}
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if err := c.Update(context.Background(), inst, ch); err != nil {
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t.Errorf("Error calling PGStatStatementsCollector.Update: %s", err)
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}
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}()
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expected := []MetricResult{
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{labels: labelMap{"user": "unknown", "datname": "unknown", "queryid": "unknown"}, metricType: dto.MetricType_COUNTER, value: 0},
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{labels: labelMap{"user": "unknown", "datname": "unknown", "queryid": "unknown"}, metricType: dto.MetricType_COUNTER, value: 0},
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{labels: labelMap{"user": "unknown", "datname": "unknown", "queryid": "unknown"}, metricType: dto.MetricType_COUNTER, value: 0},
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{labels: labelMap{"user": "unknown", "datname": "unknown", "queryid": "unknown"}, metricType: dto.MetricType_COUNTER, value: 0},
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{labels: labelMap{"user": "unknown", "datname": "unknown", "queryid": "unknown"}, metricType: dto.MetricType_COUNTER, value: 0},
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{labels: labelMap{"queryid": "unknown", "query": "unknown"}, metricType: dto.MetricType_COUNTER, value: 1},
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}
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convey.Convey("Metrics comparison", t, func() {
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for _, expect := range expected {
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m := readMetric(<-ch)
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convey.So(expect, convey.ShouldResemble, m)
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}
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})
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if err := mock.ExpectationsWereMet(); err != nil {
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t.Errorf("there were unfulfilled exceptions: %s", err)
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}
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}
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func TestPGStatStatementsCollector_PG13(t *testing.T) {
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db, mock, err := sqlmock.New()
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if err != nil {
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t.Fatalf("Error opening a stub db connection: %s", err)
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}
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defer db.Close()
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inst := &instance{db: db, version: semver.MustParse("13.3.7")}
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columns := []string{"user", "datname", "queryid", "calls_total", "seconds_total", "rows_total", "block_read_seconds_total", "block_write_seconds_total"}
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rows := sqlmock.NewRows(columns).
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AddRow("postgres", "postgres", 1500, 5, 0.4, 100, 0.1, 0.2)
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mock.ExpectQuery(sanitizeQuery(fmt.Sprintf(pgStatStatementsQuery_PG13, "", defaultStatementLimit))).WillReturnRows(rows)
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ch := make(chan prometheus.Metric)
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go func() {
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defer close(ch)
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c := PGStatStatementsCollector{}
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if err := c.Update(context.Background(), inst, ch); err != nil {
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t.Errorf("Error calling PGStatStatementsCollector.Update: %s", err)
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}
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}()
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expected := []MetricResult{
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{labels: labelMap{"user": "postgres", "datname": "postgres", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 5},
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{labels: labelMap{"user": "postgres", "datname": "postgres", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 0.4},
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{labels: labelMap{"user": "postgres", "datname": "postgres", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 100},
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{labels: labelMap{"user": "postgres", "datname": "postgres", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 0.1},
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{labels: labelMap{"user": "postgres", "datname": "postgres", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 0.2},
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}
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convey.Convey("Metrics comparison", t, func() {
|
|
for _, expect := range expected {
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m := readMetric(<-ch)
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convey.So(expect, convey.ShouldResemble, m)
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|
}
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})
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if err := mock.ExpectationsWereMet(); err != nil {
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t.Errorf("there were unfulfilled exceptions: %s", err)
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}
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}
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func TestPGStatStatementsCollector_PG13_WithStatement(t *testing.T) {
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db, mock, err := sqlmock.New()
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if err != nil {
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t.Fatalf("Error opening a stub db connection: %s", err)
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}
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defer db.Close()
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inst := &instance{db: db, version: semver.MustParse("13.3.7")}
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columns := []string{"user", "datname", "queryid", "LEFT(pg_stat_statements.query, 300) as query", "calls_total", "seconds_total", "rows_total", "block_read_seconds_total", "block_write_seconds_total"}
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rows := sqlmock.NewRows(columns).
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AddRow("postgres", "postgres", 1500, "select 1 from foo", 5, 0.4, 100, 0.1, 0.2)
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mock.ExpectQuery(sanitizeQuery(fmt.Sprintf(pgStatStatementsQuery_PG13, fmt.Sprintf(pgStatStatementQuerySelect, 300), defaultStatementLimit))).WillReturnRows(rows)
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ch := make(chan prometheus.Metric)
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go func() {
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defer close(ch)
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c := PGStatStatementsCollector{includeQueryStatement: true, statementLength: 300}
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if err := c.Update(context.Background(), inst, ch); err != nil {
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t.Errorf("Error calling PGStatStatementsCollector.Update: %s", err)
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}
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}()
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expected := []MetricResult{
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{labels: labelMap{"user": "postgres", "datname": "postgres", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 5},
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{labels: labelMap{"user": "postgres", "datname": "postgres", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 0.4},
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{labels: labelMap{"user": "postgres", "datname": "postgres", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 100},
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{labels: labelMap{"user": "postgres", "datname": "postgres", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 0.1},
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{labels: labelMap{"user": "postgres", "datname": "postgres", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 0.2},
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{labels: labelMap{"queryid": "1500", "query": "select 1 from foo"}, metricType: dto.MetricType_COUNTER, value: 1},
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}
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convey.Convey("Metrics comparison", t, func() {
|
|
for _, expect := range expected {
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|
m := readMetric(<-ch)
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convey.So(expect, convey.ShouldResemble, m)
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|
}
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|
})
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|
if err := mock.ExpectationsWereMet(); err != nil {
|
|
t.Errorf("there were unfulfilled exceptions: %s", err)
|
|
}
|
|
}
|
|
|
|
func TestPGStatStatementsCollector_PG13_WithStatementAndLimit(t *testing.T) {
|
|
db, mock, err := sqlmock.New()
|
|
if err != nil {
|
|
t.Fatalf("Error opening a stub db connection: %s", err)
|
|
}
|
|
defer db.Close()
|
|
|
|
inst := &instance{db: db, version: semver.MustParse("13.3.7")}
|
|
|
|
columns := []string{"user", "datname", "queryid", "LEFT(pg_stat_statements.query, 300) as query", "calls_total", "seconds_total", "rows_total", "block_read_seconds_total", "block_write_seconds_total"}
|
|
rows := sqlmock.NewRows(columns).
|
|
AddRow("postgres", "postgres", 1500, "select 1 from foo", 5, 0.4, 100, 0.1, 0.2)
|
|
mock.ExpectQuery(sanitizeQuery(fmt.Sprintf(pgStatStatementsQuery_PG13, fmt.Sprintf(pgStatStatementQuerySelect, 300), "10"))).WillReturnRows(rows)
|
|
|
|
ch := make(chan prometheus.Metric)
|
|
go func() {
|
|
defer close(ch)
|
|
c := PGStatStatementsCollector{includeQueryStatement: true, statementLength: 300, statementLimit: 10}
|
|
|
|
if err := c.Update(context.Background(), inst, ch); err != nil {
|
|
t.Errorf("Error calling PGStatStatementsCollector.Update: %s", err)
|
|
}
|
|
}()
|
|
|
|
expected := []MetricResult{
|
|
{labels: labelMap{"user": "postgres", "datname": "postgres", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 5},
|
|
{labels: labelMap{"user": "postgres", "datname": "postgres", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 0.4},
|
|
{labels: labelMap{"user": "postgres", "datname": "postgres", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 100},
|
|
{labels: labelMap{"user": "postgres", "datname": "postgres", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 0.1},
|
|
{labels: labelMap{"user": "postgres", "datname": "postgres", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 0.2},
|
|
{labels: labelMap{"queryid": "1500", "query": "select 1 from foo"}, metricType: dto.MetricType_COUNTER, value: 1},
|
|
}
|
|
|
|
convey.Convey("Metrics comparison", t, func() {
|
|
for _, expect := range expected {
|
|
m := readMetric(<-ch)
|
|
convey.So(expect, convey.ShouldResemble, m)
|
|
}
|
|
})
|
|
if err := mock.ExpectationsWereMet(); err != nil {
|
|
t.Errorf("there were unfulfilled exceptions: %s", err)
|
|
}
|
|
}
|
|
|
|
func TestPGStatStatementsCollector_PG17(t *testing.T) {
|
|
db, mock, err := sqlmock.New()
|
|
if err != nil {
|
|
t.Fatalf("Error opening a stub db connection: %s", err)
|
|
}
|
|
defer db.Close()
|
|
|
|
inst := &instance{db: db, version: semver.MustParse("17.0.0")}
|
|
|
|
columns := []string{"user", "datname", "queryid", "calls_total", "seconds_total", "rows_total", "block_read_seconds_total", "block_write_seconds_total"}
|
|
rows := sqlmock.NewRows(columns).
|
|
AddRow("postgres", "postgres", 1500, 5, 0.4, 100, 0.1, 0.2)
|
|
mock.ExpectQuery(sanitizeQuery(fmt.Sprintf(pgStatStatementsQuery_PG17, "", defaultStatementLimit))).WillReturnRows(rows)
|
|
|
|
ch := make(chan prometheus.Metric)
|
|
go func() {
|
|
defer close(ch)
|
|
c := PGStatStatementsCollector{}
|
|
|
|
if err := c.Update(context.Background(), inst, ch); err != nil {
|
|
t.Errorf("Error calling PGStatStatementsCollector.Update: %s", err)
|
|
}
|
|
}()
|
|
|
|
expected := []MetricResult{
|
|
{labels: labelMap{"user": "postgres", "datname": "postgres", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 5},
|
|
{labels: labelMap{"user": "postgres", "datname": "postgres", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 0.4},
|
|
{labels: labelMap{"user": "postgres", "datname": "postgres", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 100},
|
|
{labels: labelMap{"user": "postgres", "datname": "postgres", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 0.1},
|
|
{labels: labelMap{"user": "postgres", "datname": "postgres", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 0.2},
|
|
}
|
|
|
|
convey.Convey("Metrics comparison", t, func() {
|
|
for _, expect := range expected {
|
|
m := readMetric(<-ch)
|
|
convey.So(expect, convey.ShouldResemble, m)
|
|
}
|
|
})
|
|
if err := mock.ExpectationsWereMet(); err != nil {
|
|
t.Errorf("there were unfulfilled exceptions: %s", err)
|
|
}
|
|
}
|
|
|
|
func TestPGStatStatementsCollector_PG17_WithStatement(t *testing.T) {
|
|
db, mock, err := sqlmock.New()
|
|
if err != nil {
|
|
t.Fatalf("Error opening a stub db connection: %s", err)
|
|
}
|
|
defer db.Close()
|
|
|
|
inst := &instance{db: db, version: semver.MustParse("17.0.0")}
|
|
|
|
columns := []string{"user", "datname", "queryid", "LEFT(pg_stat_statements.query, 300) as query", "calls_total", "seconds_total", "rows_total", "block_read_seconds_total", "block_write_seconds_total"}
|
|
rows := sqlmock.NewRows(columns).
|
|
AddRow("postgres", "postgres", 1500, "select 1 from foo", 5, 0.4, 100, 0.1, 0.2)
|
|
mock.ExpectQuery(sanitizeQuery(fmt.Sprintf(pgStatStatementsQuery_PG17, fmt.Sprintf(pgStatStatementQuerySelect, 300), defaultStatementLimit))).WillReturnRows(rows)
|
|
|
|
ch := make(chan prometheus.Metric)
|
|
go func() {
|
|
defer close(ch)
|
|
c := PGStatStatementsCollector{includeQueryStatement: true, statementLength: 300}
|
|
|
|
if err := c.Update(context.Background(), inst, ch); err != nil {
|
|
t.Errorf("Error calling PGStatStatementsCollector.Update: %s", err)
|
|
}
|
|
}()
|
|
|
|
expected := []MetricResult{
|
|
{labels: labelMap{"user": "postgres", "datname": "postgres", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 5},
|
|
{labels: labelMap{"user": "postgres", "datname": "postgres", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 0.4},
|
|
{labels: labelMap{"user": "postgres", "datname": "postgres", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 100},
|
|
{labels: labelMap{"user": "postgres", "datname": "postgres", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 0.1},
|
|
{labels: labelMap{"user": "postgres", "datname": "postgres", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 0.2},
|
|
{labels: labelMap{"queryid": "1500", "query": "select 1 from foo"}, metricType: dto.MetricType_COUNTER, value: 1},
|
|
}
|
|
|
|
convey.Convey("Metrics comparison", t, func() {
|
|
for _, expect := range expected {
|
|
m := readMetric(<-ch)
|
|
convey.So(expect, convey.ShouldResemble, m)
|
|
}
|
|
})
|
|
if err := mock.ExpectationsWereMet(); err != nil {
|
|
t.Errorf("there were unfulfilled exceptions: %s", err)
|
|
}
|
|
}
|
|
|
|
func TestPGStatStatementsCollector_PG17_WithStatementAndLimit(t *testing.T) {
|
|
db, mock, err := sqlmock.New()
|
|
if err != nil {
|
|
t.Fatalf("Error opening a stub db connection: %s", err)
|
|
}
|
|
defer db.Close()
|
|
|
|
inst := &instance{db: db, version: semver.MustParse("17.0.0")}
|
|
|
|
columns := []string{"user", "datname", "queryid", "LEFT(pg_stat_statements.query, 300) as query", "calls_total", "seconds_total", "rows_total", "block_read_seconds_total", "block_write_seconds_total"}
|
|
rows := sqlmock.NewRows(columns).
|
|
AddRow("postgres", "postgres", 1500, "select 1 from foo", 5, 0.4, 100, 0.1, 0.2)
|
|
mock.ExpectQuery(sanitizeQuery(fmt.Sprintf(pgStatStatementsQuery_PG17, fmt.Sprintf(pgStatStatementQuerySelect, 300), "10"))).WillReturnRows(rows)
|
|
|
|
ch := make(chan prometheus.Metric)
|
|
go func() {
|
|
defer close(ch)
|
|
c := PGStatStatementsCollector{includeQueryStatement: true, statementLength: 300, statementLimit: 10}
|
|
|
|
if err := c.Update(context.Background(), inst, ch); err != nil {
|
|
t.Errorf("Error calling PGStatStatementsCollector.Update: %s", err)
|
|
}
|
|
}()
|
|
|
|
expected := []MetricResult{
|
|
{labels: labelMap{"user": "postgres", "datname": "postgres", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 5},
|
|
{labels: labelMap{"user": "postgres", "datname": "postgres", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 0.4},
|
|
{labels: labelMap{"user": "postgres", "datname": "postgres", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 100},
|
|
{labels: labelMap{"user": "postgres", "datname": "postgres", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 0.1},
|
|
{labels: labelMap{"user": "postgres", "datname": "postgres", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 0.2},
|
|
{labels: labelMap{"queryid": "1500", "query": "select 1 from foo"}, metricType: dto.MetricType_COUNTER, value: 1},
|
|
}
|
|
|
|
convey.Convey("Metrics comparison", t, func() {
|
|
for _, expect := range expected {
|
|
m := readMetric(<-ch)
|
|
convey.So(expect, convey.ShouldResemble, m)
|
|
}
|
|
})
|
|
if err := mock.ExpectationsWereMet(); err != nil {
|
|
t.Errorf("there were unfulfilled exceptions: %s", err)
|
|
}
|
|
}
|