package main import "testing" func TestCheckMonitors(t *testing.T) { cases := []struct { config Config expectErr bool name string }{ { config: Config{}, expectErr: false, name: "Empty", }, { config: Config{ Monitors: []*Monitor{ &Monitor{ Name: "Success", Command: []string{"true"}, }, }, }, 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, }, }, }, 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, }, }, }, 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"}, }, }, }, 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"}, }, }, }, expectErr: true, name: "Monitor failure, bad alert", }, } for _, c := range cases { 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) } } }