mirror of
https://github.com/prometheus/node_exporter.git
synced 2024-11-10 07:34:09 -08:00
103 lines
2.9 KiB
Go
103 lines
2.9 KiB
Go
// Copyright 2016 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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"testing"
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"github.com/godbus/dbus/v5"
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"github.com/prometheus/client_golang/prometheus"
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)
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type testLogindInterface struct{}
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var testSeats = []string{"seat0", ""}
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func (c *testLogindInterface) listSeats() ([]string, error) {
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return testSeats, nil
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}
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func (c *testLogindInterface) listSessions() ([]logindSessionEntry, error) {
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return []logindSessionEntry{
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{
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SessionID: "1",
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UserID: 0,
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UserName: "",
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SeatID: "",
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SessionObjectPath: dbus.ObjectPath("/org/freedesktop/login1/session/1"),
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},
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{
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SessionID: "2",
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UserID: 0,
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UserName: "",
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SeatID: "seat0",
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SessionObjectPath: dbus.ObjectPath("/org/freedesktop/login1/session/2"),
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},
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}, nil
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}
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func (c *testLogindInterface) getSession(session logindSessionEntry) *logindSession {
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sessions := map[dbus.ObjectPath]*logindSession{
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dbus.ObjectPath("/org/freedesktop/login1/session/1"): {
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seat: session.SeatID,
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remote: "true",
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sessionType: knownStringOrOther("tty", attrTypeValues),
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class: knownStringOrOther("user", attrClassValues),
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},
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dbus.ObjectPath("/org/freedesktop/login1/session/2"): {
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seat: session.SeatID,
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remote: "false",
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sessionType: knownStringOrOther("x11", attrTypeValues),
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class: knownStringOrOther("greeter", attrClassValues),
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},
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}
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return sessions[session.SessionObjectPath]
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}
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func TestLogindCollectorKnownStringOrOther(t *testing.T) {
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known := []string{"foo", "bar"}
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actual := knownStringOrOther("foo", known)
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expected := "foo"
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if actual != expected {
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t.Errorf("knownStringOrOther failed: got %q, expected %q.", actual, expected)
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}
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actual = knownStringOrOther("baz", known)
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expected = "other"
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if actual != expected {
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t.Errorf("knownStringOrOther failed: got %q, expected %q.", actual, expected)
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}
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}
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func TestLogindCollectorCollectMetrics(t *testing.T) {
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ch := make(chan prometheus.Metric)
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go func() {
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collectMetrics(ch, &testLogindInterface{})
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close(ch)
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}()
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count := 0
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for range ch {
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count++
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}
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expected := len(testSeats) * len(attrRemoteValues) * len(attrTypeValues) * len(attrClassValues)
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if count != expected {
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t.Errorf("collectMetrics did not generate the expected number of metrics: got %d, expected %d.", count, expected)
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}
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}
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