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Files
mysqld_exporter/collector/exporter_test.go
TJ Hoplock be5dc65671 chore!: adopt log/slog, drop go-kit/log (#875)
* chore!: adopt log/slog, drop go-kit/log

Requires: prometheus/common#697

This PR includes:
- linter updates to enable `sloglint` linter
- Go dep updates for prometheus/{client_golang,common,exporter-toolkit}
  libs
- refactorings to adopt log/slog in favor of go-kit/log

The bulk of this PR was automated by the following script which is being
used to aid in converting the various exporters/projects to use slog:

https://gist.github.com/tjhop/49f96fb7ebbe55b12deee0b0312d8434

Builds and passes tests locally with go workspaces and up-to-date main
branch of prometheus/common.

Signed-off-by: TJ Hoplock <t.hoplock@gmail.com>

* build(deps): bump prometheus/common to v0.60.0

Signed-off-by: TJ Hoplock <t.hoplock@gmail.com>

---------

Signed-off-by: TJ Hoplock <t.hoplock@gmail.com>
2024-10-10 18:04:21 +02:00

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1.5 KiB
Go

// Copyright 2018 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/prometheus/client_golang/prometheus"
"github.com/prometheus/common/model"
"github.com/prometheus/common/promslog"
"github.com/smartystreets/goconvey/convey"
)
const dsn = "root@/mysql"
func TestExporter(t *testing.T) {
if testing.Short() {
t.Skip("-short is passed, skipping test")
}
exporter := New(
context.Background(),
dsn,
[]Scraper{
ScrapeGlobalStatus{},
},
promslog.NewNopLogger(),
)
convey.Convey("Metrics describing", t, func() {
ch := make(chan *prometheus.Desc)
go func() {
exporter.Describe(ch)
close(ch)
}()
for range ch {
}
})
convey.Convey("Metrics collection", t, func() {
ch := make(chan prometheus.Metric)
go func() {
exporter.Collect(ch)
close(ch)
}()
for m := range ch {
got := readMetric(m)
if got.labels[model.MetricNameLabel] == "mysql_up" {
convey.So(got.value, convey.ShouldEqual, 1)
}
}
})
}