summaryrefslogtreecommitdiffstats
path: root/src/go/collectors/go.d.plugin/agent/setup_test.go
blob: 36ec682737b6cb5172f023256d10786a7d06abec (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
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
// SPDX-License-Identifier: GPL-3.0-or-later

package agent

import (
	"testing"

	"github.com/netdata/netdata/go/go.d.plugin/agent/module"

	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"
	"gopkg.in/yaml.v2"
)

func TestConfig_UnmarshalYAML(t *testing.T) {
	tests := map[string]struct {
		input   string
		wantCfg config
	}{
		"valid configuration": {
			input: "enabled: yes\ndefault_run: yes\nmodules:\n  module1: yes\n  module2: yes",
			wantCfg: config{
				Enabled:    true,
				DefaultRun: true,
				Modules: map[string]bool{
					"module1": true,
					"module2": true,
				},
			},
		},
		"valid configuration with broken modules section": {
			input: "enabled: yes\ndefault_run: yes\nmodules:\nmodule1: yes\nmodule2: yes",
			wantCfg: config{
				Enabled:    true,
				DefaultRun: true,
				Modules: map[string]bool{
					"module1": true,
					"module2": true,
				},
			},
		},
	}

	for name, test := range tests {
		t.Run(name, func(t *testing.T) {
			var cfg config
			err := yaml.Unmarshal([]byte(test.input), &cfg)
			require.NoError(t, err)
			assert.Equal(t, test.wantCfg, cfg)
		})
	}
}

func TestAgent_loadConfig(t *testing.T) {
	tests := map[string]struct {
		agent   Agent
		wantCfg config
	}{
		"valid config file": {
			agent: Agent{
				Name:    "agent-valid",
				ConfDir: []string{"testdata"},
			},
			wantCfg: config{
				Enabled:    true,
				DefaultRun: true,
				MaxProcs:   1,
				Modules: map[string]bool{
					"module1": true,
					"module2": true,
				},
			},
		},
		"no config path provided": {
			agent:   Agent{},
			wantCfg: defaultConfig(),
		},
		"config file not found": {
			agent: Agent{
				Name:    "agent",
				ConfDir: []string{"testdata/not-exist"},
			},
			wantCfg: defaultConfig(),
		},
		"empty config file": {
			agent: Agent{
				Name:    "agent-empty",
				ConfDir: []string{"testdata"},
			},
			wantCfg: defaultConfig(),
		},
		"invalid syntax config file": {
			agent: Agent{
				Name:    "agent-invalid-syntax",
				ConfDir: []string{"testdata"},
			},
			wantCfg: defaultConfig(),
		},
	}

	for name, test := range tests {
		t.Run(name, func(t *testing.T) {
			assert.Equal(t, test.wantCfg, test.agent.loadPluginConfig())
		})
	}
}

func TestAgent_loadEnabledModules(t *testing.T) {
	tests := map[string]struct {
		agent       Agent
		cfg         config
		wantModules module.Registry
	}{
		"load all, module disabled by default but explicitly enabled": {
			agent: Agent{
				ModuleRegistry: module.Registry{
					"module1": module.Creator{Defaults: module.Defaults{Disabled: true}},
				},
			},
			cfg: config{
				Modules: map[string]bool{"module1": true},
			},
			wantModules: module.Registry{
				"module1": module.Creator{Defaults: module.Defaults{Disabled: true}},
			},
		},
		"load all, module disabled by default and not explicitly enabled": {
			agent: Agent{
				ModuleRegistry: module.Registry{
					"module1": module.Creator{Defaults: module.Defaults{Disabled: true}},
				},
			},
			wantModules: module.Registry{},
		},
		"load all, module in config modules (default_run=true)": {
			agent: Agent{
				ModuleRegistry: module.Registry{
					"module1": module.Creator{},
				},
			},
			cfg: config{
				Modules:    map[string]bool{"module1": true},
				DefaultRun: true,
			},
			wantModules: module.Registry{
				"module1": module.Creator{},
			},
		},
		"load all, module not in config modules (default_run=true)": {
			agent: Agent{
				ModuleRegistry: module.Registry{"module1": module.Creator{}},
			},
			cfg: config{
				DefaultRun: true,
			},
			wantModules: module.Registry{"module1": module.Creator{}},
		},
		"load all, module in config modules (default_run=false)": {
			agent: Agent{
				ModuleRegistry: module.Registry{
					"module1": module.Creator{},
				},
			},
			cfg: config{
				Modules: map[string]bool{"module1": true},
			},
			wantModules: module.Registry{
				"module1": module.Creator{},
			},
		},
		"load all, module not in config modules (default_run=false)": {
			agent: Agent{
				ModuleRegistry: module.Registry{
					"module1": module.Creator{},
				},
			},
			wantModules: module.Registry{},
		},
		"load specific, module exist in registry": {
			agent: Agent{
				RunModule: "module1",
				ModuleRegistry: module.Registry{
					"module1": module.Creator{},
				},
			},
			wantModules: module.Registry{
				"module1": module.Creator{},
			},
		},
		"load specific, module doesnt exist in registry": {
			agent: Agent{
				RunModule:      "module3",
				ModuleRegistry: module.Registry{},
			},
			wantModules: module.Registry{},
		},
	}

	for name, test := range tests {
		t.Run(name, func(t *testing.T) {
			assert.Equal(t, test.wantModules, test.agent.loadEnabledModules(test.cfg))
		})
	}
}

// TODO: tech debt
func TestAgent_buildDiscoveryConf(t *testing.T) {

}