func TestSensorObserve(t *testing.T) {
cmd1 := utils.StrToCmd("./testdata/test.sh doStuff --debug")
sensor := &Sensor{checkCmd: cmd1}
if val, err := sensor.observe(); err != nil {
t.Fatalf("Unexpected error from sensor check: %s", err)
} else if val != "Running doStuff with args: --debug\n" {
t.Fatalf("Unexpected output from sensor check: %s", val)
}
// Ensure we can run it more than once
if _, err := sensor.observe(); err != nil {
t.Fatalf("Unexpected error from sensor check (x2): %s", err)
}
// Ensure bad commands return error
cmd2 := utils.StrToCmd("./testdata/doesNotExist.sh")
sensor = &Sensor{checkCmd: cmd2}
if val, err := sensor.observe(); err == nil {
t.Fatalf("Expected error from sensor check but got %s", val)
} else if err.Error() != "fork/exec ./testdata/doesNotExist.sh: no such file or directory" {
t.Fatalf("Unexpected error from invalid sensor check: %s", err)
}
}
func TestOnChangeCmd(t *testing.T) {
cmd1 := utils.StrToCmd("./testdata/test.sh doStuff --debug")
backend := &Backend{
onChangeCmd: cmd1,
}
if _, err := backend.OnChange(); err != nil {
t.Errorf("Unexpected error OnChange: %s", err)
}
// Ensure we can run it more than once
if _, err := backend.OnChange(); err != nil {
t.Errorf("Unexpected error OnChange (x2): %s", err)
}
}
func TestHealthCheck(t *testing.T) {
cmd1 := utils.StrToCmd("./testdata/test.sh doStuff --debug")
service := &Service{
healthCheckCmd: cmd1,
}
if _, err := service.CheckHealth(); err != nil {
t.Errorf("Unexpected error CheckHealth: %s", err)
}
// Ensure we can run it more than once
if _, err := service.CheckHealth(); err != nil {
t.Errorf("Unexpected error CheckHealth (x2): %s", err)
}
}
func TestSensorPollAction(t *testing.T) {
testServer := httptest.NewServer(prometheus.UninstrumentedHandler())
defer testServer.Close()
sensor := &Sensor{
Type: "counter",
checkCmd: utils.StrToCmd("./testdata/test.sh measureStuff"),
collector: prometheus.NewCounter(prometheus.CounterOpts{
Namespace: "telemetry",
Subsystem: "sensors",
Name: "TestSensorPollAction",
Help: "help",
})}
prometheus.MustRegister(sensor.collector)
sensor.PollAction()
resp := getFromTestServer(t, testServer)
if strings.Count(resp, "telemetry_sensors_TestSensorPollAction 42") != 1 {
t.Fatalf("Failed to get match for sensor in response: %s", resp)
}
}
func TestSensorBadRecord(t *testing.T) {
sensor := &Sensor{
checkCmd: utils.StrToCmd("./testdata/test.sh doStuff --debug"),
}
sensor.PollAction() // logs but no crash
}
func TestSensorBadPollAction(t *testing.T) {
sensor := &Sensor{
checkCmd: utils.StrToCmd("./testdata/doesNotExist.sh"),
}
sensor.PollAction() // logs but no crash
}
