93 lines
3.2 KiB
Go
93 lines
3.2 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 ewcept 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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//go:build linux && !nowatchdog
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// +build linux,!nowatchdog
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package collector
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import (
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"fmt"
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"io"
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"log/slog"
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"strings"
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"testing"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/prometheus/client_golang/prometheus/testutil"
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)
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type testWatchdogCollector struct {
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wc Collector
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}
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func (c testWatchdogCollector) Collect(ch chan<- prometheus.Metric) {
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c.wc.Update(ch)
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}
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func (c testWatchdogCollector) Describe(ch chan<- *prometheus.Desc) {
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prometheus.DescribeByCollect(c, ch)
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}
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func TestWatchdogStats(t *testing.T) {
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testcase := `# HELP node_watchdog_access_cs0 Value of /sys/class/watchdog/<watchdog>/access_cs0
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# TYPE node_watchdog_access_cs0 gauge
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node_watchdog_access_cs0{name="watchdog0"} 0
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# HELP node_watchdog_bootstatus Value of /sys/class/watchdog/<watchdog>/bootstatus
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# TYPE node_watchdog_bootstatus gauge
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node_watchdog_bootstatus{name="watchdog0"} 1
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# HELP node_watchdog_fw_version Value of /sys/class/watchdog/<watchdog>/fw_version
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# TYPE node_watchdog_fw_version gauge
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node_watchdog_fw_version{name="watchdog0"} 2
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# HELP node_watchdog_info Info of /sys/class/watchdog/<watchdog>
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# TYPE node_watchdog_info gauge
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node_watchdog_info{identity="",name="watchdog1",options="",pretimeout_governor="",state="",status=""} 1
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node_watchdog_info{identity="Software Watchdog",name="watchdog0",options="0x8380",pretimeout_governor="noop",state="active",status="0x8000"} 1
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# HELP node_watchdog_nowayout Value of /sys/class/watchdog/<watchdog>/nowayout
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# TYPE node_watchdog_nowayout gauge
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node_watchdog_nowayout{name="watchdog0"} 0
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# HELP node_watchdog_pretimeout_seconds Value of /sys/class/watchdog/<watchdog>/pretimeout
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# TYPE node_watchdog_pretimeout_seconds gauge
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node_watchdog_pretimeout_seconds{name="watchdog0"} 120
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# HELP node_watchdog_timeleft_seconds Value of /sys/class/watchdog/<watchdog>/timeleft
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# TYPE node_watchdog_timeleft_seconds gauge
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node_watchdog_timeleft_seconds{name="watchdog0"} 300
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# HELP node_watchdog_timeout_seconds Value of /sys/class/watchdog/<watchdog>/timeout
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# TYPE node_watchdog_timeout_seconds gauge
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node_watchdog_timeout_seconds{name="watchdog0"} 60
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`
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*sysPath = "fixtures/sys"
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logger := slog.New(slog.NewTextHandler(io.Discard, nil))
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c, err := NewWatchdogCollector(logger)
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if err != nil {
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t.Fatal(err)
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}
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reg := prometheus.NewRegistry()
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reg.MustRegister(&testWatchdogCollector{wc: c})
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sink := make(chan prometheus.Metric)
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go func() {
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err = c.Update(sink)
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if err != nil {
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panic(fmt.Errorf("failed to update collector: %s", err))
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}
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close(sink)
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}()
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err = testutil.GatherAndCompare(reg, strings.NewReader(testcase))
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if err != nil {
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t.Fatal(err)
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}
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}
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