minitor-go/main_test.go

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package main
import "testing"
func TestCheckMonitors(t *testing.T) {
cases := []struct {
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config Config
expectErr bool
name string
}{
{
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config: Config{},
expectErr: false,
name: "Empty",
},
{
config: Config{
Monitors: []*Monitor{
&Monitor{
Name: "Success",
Command: []string{"true"},
},
},
},
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expectErr: false,
name: "Monitor success, no alerts",
},
{
config: Config{
Monitors: []*Monitor{
&Monitor{
Name: "Failure",
Command: []string{"false"},
AlertAfter: 1,
},
&Monitor{
Name: "Failure",
Command: []string{"false"},
AlertDown: []string{"unknown"},
AlertAfter: 1,
},
},
},
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expectErr: false,
name: "Monitor failure, no and unknown alerts",
},
{
config: Config{
Monitors: []*Monitor{
&Monitor{
Name: "Success",
Command: []string{"ls"},
alertCount: 1,
},
&Monitor{
Name: "Success",
Command: []string{"true"},
AlertUp: []string{"unknown"},
alertCount: 1,
},
},
},
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expectErr: false,
name: "Monitor recovery, no alerts",
},
{
config: Config{
Monitors: []*Monitor{
&Monitor{
Name: "Failure",
Command: []string{"false"},
AlertDown: []string{"good"},
AlertAfter: 1,
},
},
Alerts: map[string]*Alert{
"good": &Alert{
Command: []string{"true"},
},
},
},
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expectErr: false,
name: "Monitor failure, successful alert",
},
{
config: Config{
Monitors: []*Monitor{
&Monitor{
Name: "Failure",
Command: []string{"false"},
AlertDown: []string{"bad"},
AlertAfter: 1,
},
},
Alerts: map[string]*Alert{
"bad": &Alert{
Name: "bad",
Command: []string{"false"},
},
},
},
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expectErr: true,
name: "Monitor failure, bad alert",
},
}
for _, c := range cases {
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c.config.Init()
err := checkMonitors(&c.config)
if err == nil && c.expectErr {
t.Errorf("checkMonitors(%s): Expected panic, the code did not panic", c.name)
}
}
}