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Move queries from queries.yaml to collectors (#801)

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Signed-off-by: Ben Kochie <superq@gmail.com>
This commit is contained in:
Felix Yuan
2023-06-08 14:28:04 -07:00
committed by GitHub
parent 16430fc955
commit fe960c6b54
22 changed files with 1690 additions and 279 deletions
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88
collector/pg_statio_user_tables_test.go Normal file
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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"
"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 TestPGStatIOUserTablesCollector(t *testing.T) {
db, mock, err := sqlmock.New()
if err != nil {
t.Fatalf("Error opening a stub db connection: %s", err)
}
defer db.Close()
columns := []string{
"datname",
"schemaname",
"relname",
"heap_blks_read",
"heap_blks_hit",
"idx_blks_read",
"idx_blks_hit",
"toast_blks_read",
"toast_blks_hit",
"tidx_blks_read",
"tidx_blks_hit",
}
rows := sqlmock.NewRows(columns).
AddRow("postgres",
"public",
"a_table",
1,
2,
3,
4,
5,
6,
7,
8)
mock.ExpectQuery(sanitizeQuery(statioUserTablesQuery)).WillReturnRows(rows)
ch := make(chan prometheus.Metric)
go func() {
defer close(ch)
c := PGStatIOUserTablesCollector{}
if err := c.Update(context.Background(), db, ch); err != nil {
t.Errorf("Error calling PGStatIOUserTablesCollector.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},
}
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)
}
}