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Copy pathpg_stat_user_tables_test.go
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pg_stat_user_tables_test.go
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// Copyright 2023 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package collector
import (
"context"
"testing"
"time"
"github.com/DATA-DOG/go-sqlmock"
"github.com/prometheus/client_golang/prometheus"
dto "github.com/prometheus/client_model/go"
"github.com/smartystreets/goconvey/convey"
)
func TestPGStatUserTablesCollector(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}
lastVacuumTime, err := time.Parse("2006-01-02Z", "2023-06-02Z")
if err != nil {
t.Fatalf("Error parsing vacuum time: %s", err)
}
lastAutoVacuumTime, err := time.Parse("2006-01-02Z", "2023-06-03Z")
if err != nil {
t.Fatalf("Error parsing vacuum time: %s", err)
}
lastAnalyzeTime, err := time.Parse("2006-01-02Z", "2023-06-04Z")
if err != nil {
t.Fatalf("Error parsing vacuum time: %s", err)
}
lastAutoAnalyzeTime, err := time.Parse("2006-01-02Z", "2023-06-05Z")
if err != nil {
t.Fatalf("Error parsing vacuum time: %s", err)
}
columns := []string{
"datname",
"schemaname",
"relname",
"seq_scan",
"seq_tup_read",
"idx_scan",
"idx_tup_fetch",
"n_tup_ins",
"n_tup_upd",
"n_tup_del",
"n_tup_hot_upd",
"n_live_tup",
"n_dead_tup",
"n_mod_since_analyze",
"last_vacuum",
"last_autovacuum",
"last_analyze",
"last_autoanalyze",
"vacuum_count",
"autovacuum_count",
"analyze_count",
"autoanalyze_count",
"index_size",
"table_size"}
rows := sqlmock.NewRows(columns).
AddRow("postgres",
"public",
"a_table",
1,
2,
3,
4,
5,
6,
7,
8,
9,
10,
0,
lastVacuumTime,
lastAutoVacuumTime,
lastAnalyzeTime,
lastAutoAnalyzeTime,
11,
12,
13,
14,
15,
16)
mock.ExpectQuery(sanitizeQuery(statUserTablesQuery)).WillReturnRows(rows)
ch := make(chan prometheus.Metric)
go func() {
defer close(ch)
c := PGStatUserTablesCollector{}
if err := c.Update(context.Background(), inst, ch); err != nil {
t.Errorf("Error calling PGStatUserTablesCollector.Update: %s", err)
}
}()
expected := []MetricResult{
{labels: labelMap{"datname": "postgres", "schemaname": "public", "relname": "a_table"}, metricType: dto.MetricType_COUNTER, value: 1},
{labels: labelMap{"datname": "postgres", "schemaname": "public", "relname": "a_table"}, metricType: dto.MetricType_COUNTER, value: 2},
{labels: labelMap{"datname": "postgres", "schemaname": "public", "relname": "a_table"}, metricType: dto.MetricType_COUNTER, value: 3},
{labels: labelMap{"datname": "postgres", "schemaname": "public", "relname": "a_table"}, metricType: dto.MetricType_COUNTER, value: 4},
{labels: labelMap{"datname": "postgres", "schemaname": "public", "relname": "a_table"}, metricType: dto.MetricType_COUNTER, value: 5},
{labels: labelMap{"datname": "postgres", "schemaname": "public", "relname": "a_table"}, metricType: dto.MetricType_COUNTER, value: 6},
{labels: labelMap{"datname": "postgres", "schemaname": "public", "relname": "a_table"}, metricType: dto.MetricType_COUNTER, value: 7},
{labels: labelMap{"datname": "postgres", "schemaname": "public", "relname": "a_table"}, metricType: dto.MetricType_COUNTER, value: 8},
{labels: labelMap{"datname": "postgres", "schemaname": "public", "relname": "a_table"}, metricType: dto.MetricType_GAUGE, value: 9},
{labels: labelMap{"datname": "postgres", "schemaname": "public", "relname": "a_table"}, metricType: dto.MetricType_GAUGE, value: 10},
{labels: labelMap{"datname": "postgres", "schemaname": "public", "relname": "a_table"}, metricType: dto.MetricType_GAUGE, value: 0},
{labels: labelMap{"datname": "postgres", "schemaname": "public", "relname": "a_table"}, metricType: dto.MetricType_GAUGE, value: 1685664000},
{labels: labelMap{"datname": "postgres", "schemaname": "public", "relname": "a_table"}, metricType: dto.MetricType_GAUGE, value: 1685750400},
{labels: labelMap{"datname": "postgres", "schemaname": "public", "relname": "a_table"}, metricType: dto.MetricType_GAUGE, value: 1685836800},
{labels: labelMap{"datname": "postgres", "schemaname": "public", "relname": "a_table"}, metricType: dto.MetricType_GAUGE, value: 1685923200},
{labels: labelMap{"datname": "postgres", "schemaname": "public", "relname": "a_table"}, metricType: dto.MetricType_COUNTER, value: 11},
{labels: labelMap{"datname": "postgres", "schemaname": "public", "relname": "a_table"}, metricType: dto.MetricType_COUNTER, value: 12},
{labels: labelMap{"datname": "postgres", "schemaname": "public", "relname": "a_table"}, metricType: dto.MetricType_COUNTER, value: 13},
{labels: labelMap{"datname": "postgres", "schemaname": "public", "relname": "a_table"}, metricType: dto.MetricType_COUNTER, value: 14},
{labels: labelMap{"datname": "postgres", "schemaname": "public", "relname": "a_table"}, metricType: dto.MetricType_GAUGE, value: 15},
{labels: labelMap{"datname": "postgres", "schemaname": "public", "relname": "a_table"}, metricType: dto.MetricType_GAUGE, value: 16},
}
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 TestPGStatUserTablesCollectorNullValues(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}
columns := []string{
"datname",
"schemaname",
"relname",
"seq_scan",
"seq_tup_read",
"idx_scan",
"idx_tup_fetch",
"n_tup_ins",
"n_tup_upd",
"n_tup_del",
"n_tup_hot_upd",
"n_live_tup",
"n_dead_tup",
"n_mod_since_analyze",
"last_vacuum",
"last_autovacuum",
"last_analyze",
"last_autoanalyze",
"vacuum_count",
"autovacuum_count",
"analyze_count",
"autoanalyze_count",
"index_size",
"table_size"}
rows := sqlmock.NewRows(columns).
AddRow("postgres",
nil,
nil,
nil,
nil,
nil,
nil,
nil,
nil,
nil,
nil,
nil,
nil,
nil,
nil,
nil,
nil,
nil,
nil,
nil,
nil,
nil,
nil,
nil)
mock.ExpectQuery(sanitizeQuery(statUserTablesQuery)).WillReturnRows(rows)
ch := make(chan prometheus.Metric)
go func() {
defer close(ch)
c := PGStatUserTablesCollector{}
if err := c.Update(context.Background(), inst, ch); err != nil {
t.Errorf("Error calling PGStatUserTablesCollector.Update: %s", err)
}
}()
expected := []MetricResult{
{labels: labelMap{"datname": "postgres", "schemaname": "unknown", "relname": "unknown"}, metricType: dto.MetricType_COUNTER, value: 0},
{labels: labelMap{"datname": "postgres", "schemaname": "unknown", "relname": "unknown"}, metricType: dto.MetricType_COUNTER, value: 0},
{labels: labelMap{"datname": "postgres", "schemaname": "unknown", "relname": "unknown"}, metricType: dto.MetricType_COUNTER, value: 0},
{labels: labelMap{"datname": "postgres", "schemaname": "unknown", "relname": "unknown"}, metricType: dto.MetricType_COUNTER, value: 0},
{labels: labelMap{"datname": "postgres", "schemaname": "unknown", "relname": "unknown"}, metricType: dto.MetricType_COUNTER, value: 0},
{labels: labelMap{"datname": "postgres", "schemaname": "unknown", "relname": "unknown"}, metricType: dto.MetricType_COUNTER, value: 0},
{labels: labelMap{"datname": "postgres", "schemaname": "unknown", "relname": "unknown"}, metricType: dto.MetricType_COUNTER, value: 0},
{labels: labelMap{"datname": "postgres", "schemaname": "unknown", "relname": "unknown"}, metricType: dto.MetricType_COUNTER, value: 0},
{labels: labelMap{"datname": "postgres", "schemaname": "unknown", "relname": "unknown"}, metricType: dto.MetricType_GAUGE, value: 0},
{labels: labelMap{"datname": "postgres", "schemaname": "unknown", "relname": "unknown"}, metricType: dto.MetricType_GAUGE, value: 0},
{labels: labelMap{"datname": "postgres", "schemaname": "unknown", "relname": "unknown"}, metricType: dto.MetricType_GAUGE, value: 0},
{labels: labelMap{"datname": "postgres", "schemaname": "unknown", "relname": "unknown"}, metricType: dto.MetricType_GAUGE, value: 0},
{labels: labelMap{"datname": "postgres", "schemaname": "unknown", "relname": "unknown"}, metricType: dto.MetricType_GAUGE, value: 0},
{labels: labelMap{"datname": "postgres", "schemaname": "unknown", "relname": "unknown"}, metricType: dto.MetricType_GAUGE, value: 0},
{labels: labelMap{"datname": "postgres", "schemaname": "unknown", "relname": "unknown"}, metricType: dto.MetricType_GAUGE, value: 0},
{labels: labelMap{"datname": "postgres", "schemaname": "unknown", "relname": "unknown"}, metricType: dto.MetricType_COUNTER, value: 0},
{labels: labelMap{"datname": "postgres", "schemaname": "unknown", "relname": "unknown"}, metricType: dto.MetricType_COUNTER, value: 0},
{labels: labelMap{"datname": "postgres", "schemaname": "unknown", "relname": "unknown"}, metricType: dto.MetricType_COUNTER, value: 0},
{labels: labelMap{"datname": "postgres", "schemaname": "unknown", "relname": "unknown"}, metricType: dto.MetricType_COUNTER, value: 0},
{labels: labelMap{"datname": "postgres", "schemaname": "unknown", "relname": "unknown"}, metricType: dto.MetricType_GAUGE, value: 0},
{labels: labelMap{"datname": "postgres", "schemaname": "unknown", "relname": "unknown"}, metricType: dto.MetricType_GAUGE, value: 0},
}
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)
}
}