aboutsummaryrefslogtreecommitdiff
path: root/collector/systemd_linux_test.go
blob: 93137f226344bf5ce048a701bb67c65f098acc7c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
// Copyright 2015 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 (
	"github.com/go-kit/kit/log"
	"regexp"
	"testing"

	"github.com/coreos/go-systemd/dbus"
)

// Creates mock UnitLists
func getUnitListFixtures() [][]unit {
	fixture1 := []unit{
		{
			UnitStatus: dbus.UnitStatus{
				Name:        "foo",
				Description: "foo desc",
				LoadState:   "loaded",
				ActiveState: "active",
				SubState:    "running",
				Followed:    "",
				Path:        "/org/freedesktop/systemd1/unit/foo",
				JobId:       0,
				JobType:     "",
				JobPath:     "/",
			},
		},
		{
			UnitStatus: dbus.UnitStatus{
				Name:        "bar",
				Description: "bar desc",
				LoadState:   "not-found",
				ActiveState: "inactive",
				SubState:    "dead",
				Followed:    "",
				Path:        "/org/freedesktop/systemd1/unit/bar",
				JobId:       0,
				JobType:     "",
				JobPath:     "/",
			},
		},
		{
			UnitStatus: dbus.UnitStatus{
				Name:        "foobar",
				Description: "bar desc",
				LoadState:   "not-found",
				ActiveState: "inactive",
				SubState:    "dead",
				Followed:    "",
				Path:        "/org/freedesktop/systemd1/unit/bar",
				JobId:       0,
				JobType:     "",
				JobPath:     "/",
			},
		},
		{
			UnitStatus: dbus.UnitStatus{
				Name:        "baz",
				Description: "bar desc",
				LoadState:   "not-found",
				ActiveState: "inactive",
				SubState:    "dead",
				Followed:    "",
				Path:        "/org/freedesktop/systemd1/unit/bar",
				JobId:       0,
				JobType:     "",
				JobPath:     "/",
			},
		},
	}

	fixture2 := []unit{}

	return [][]unit{fixture1, fixture2}
}

func TestSystemdIgnoreFilter(t *testing.T) {
	fixtures := getUnitListFixtures()
	includePattern := regexp.MustCompile("^foo$")
	excludePattern := regexp.MustCompile("^bar$")
	filtered := filterUnits(fixtures[0], includePattern, excludePattern, log.NewNopLogger())
	for _, unit := range filtered {
		if excludePattern.MatchString(unit.Name) || !includePattern.MatchString(unit.Name) {
			t.Error(unit.Name, "should not be in the filtered list")
		}
	}
}
func TestSystemdIgnoreFilterDefaultKeepsAll(t *testing.T) {
	logger := log.NewNopLogger()
	c, err := NewSystemdCollector(logger)
	if err != nil {
		t.Fatal(err)
	}
	fixtures := getUnitListFixtures()
	collector := c.(*systemdCollector)
	filtered := filterUnits(fixtures[0], collector.unitIncludePattern, collector.unitExcludePattern, logger)
	// Adjust fixtures by 3 "not-found" units.
	if len(filtered) != len(fixtures[0])-3 {
		t.Error("Default filters removed units")
	}
}

func TestSystemdSummary(t *testing.T) {
	fixtures := getUnitListFixtures()
	summary := summarizeUnits(fixtures[0])

	for _, state := range unitStatesName {
		if state == "inactive" {
			testSummaryHelper(t, state, summary[state], 3.0)
		} else if state == "active" {
			testSummaryHelper(t, state, summary[state], 1.0)
		} else {
			testSummaryHelper(t, state, summary[state], 0.0)
		}
	}
}

func testSummaryHelper(t *testing.T, state string, actual float64, expected float64) {
	if actual != expected {
		t.Errorf("Summary mode didn't count %s jobs correctly. Actual: %f, expected: %f", state, actual, expected)
	}
}