func (s *GripInternalSuite) TestConditionalSend() {
// because sink is an internal type (implementation of
// sender,) and "GetMessage" isn't in the interface, though it
// is exported, we can't pass the sink between functions.
sink, err := send.NewInternalLogger(s.grip.ThresholdLevel(), s.grip.DefaultLevel())
s.NoError(err)
s.grip.SetSender(sink)
msg := message.NewLinesMessage("foo")
msgTwo := message.NewLinesMessage("bar")
// when the conditional argument is true, it should work
s.grip.conditionalSend(level.Emergency, true, msg)
s.Equal(sink.GetMessage().Message, msg)
// when the conditional argument is true, it should work, and the channel is fifo
s.grip.conditionalSend(level.Emergency, false, msgTwo)
s.grip.conditionalSend(level.Emergency, true, msg)
s.Equal(sink.GetMessage().Message, msg)
// change the order
s.grip.conditionalSend(level.Emergency, true, msg)
s.grip.conditionalSend(level.Emergency, false, msgTwo)
s.Equal(sink.GetMessage().Message, msg)
}
func (s *GripInternalSuite) TestConditionalSendFatalDoesNotExitIfNotLoggable() {
msg := message.NewLinesMessage("foo")
s.grip.conditionalSendFatal(s.grip.DefaultLevel(), false, msg)
s.True(level.Debug > s.grip.DefaultLevel())
s.grip.conditionalSendFatal(level.Debug, true, msg)
}
func (s *GripInternalSuite) TestPanicSenderRespectsTThreshold() {
s.True(level.Debug > s.grip.DefaultLevel())
// test that there is a no panic if the message isn't "logabble"
defer func() {
s.Nil(recover())
}()
s.grip.sendPanic(level.Debug, message.NewLinesMessage("foo"))
}
func (s *GripInternalSuite) TestPanicSenderActuallyPanics() {
// both of these are in anonymous functions so that the defers
// cover the correct area.
func() {
// first make sure that the defualt send method doesn't panic
defer func() {
s.Nil(recover())
}()
s.grip.Sender().Send(s.grip.DefaultLevel(), message.NewLinesMessage("foo"))
}()
func() {
// call a panic function with a recoverer set.
defer func() {
s.NotNil(recover())
}()
s.grip.sendPanic(s.grip.DefaultLevel(), message.NewLinesMessage("foo"))
}()
}
func TestConditionalSendFatalExits(t *testing.T) {
std.UseNativeLogger()
if os.Getenv("SHOULD_CRASH") == "1" {
std.EmergencyFatalWhen(true, message.NewLinesMessage("foo"))
return
}
cmd := exec.Command(os.Args[0], "-test.run=TestConditionalSendFatalExits")
cmd.Env = append(os.Environ(), "SHOULD_CRASH=1")
err := cmd.Run()
if err == nil {
t.Errorf("sendFatal should have exited 1, instead: %s", err.Error())
}
}
// This testing method uses the technique outlined in:
// http://stackoverflow.com/a/33404435 to test a function that exits
// since it's impossible to "catch" an os.Exit
func TestSendFatalExits(t *testing.T) {
grip := NewGrip("test")
if os.Getenv("SHOULD_CRASH") == "1" {
grip.sendFatal(grip.DefaultLevel(), message.NewLinesMessage("foo"))
return
}
cmd := exec.Command(os.Args[0], "-test.run=TestSendFatalExits")
cmd.Env = append(os.Environ(), "SHOULD_CRASH=1")
err := cmd.Run()
if err == nil {
t.Errorf("sendFatal should have exited 0, instead: %s", err.Error())
}
}
func (s *GripInternalSuite) TestConditionalSendPanic() {
sink, err := send.NewInternalLogger(s.grip.ThresholdLevel(), s.grip.DefaultLevel())
s.NoError(err)
s.grip.SetSender(sink)
msg := message.NewLinesMessage("foo")
// first if the conditional is false, it can't panic.
s.NotPanics(func() {
s.grip.conditionalSendPanic(level.Emergency, false, msg)
})
// next, if the conditional is true it should panic
s.Panics(func() {
s.grip.conditionalSendPanic(level.Emergency, true, msg)
})
}
func (g *Grip) ErrorPanicln(a ...interface{}) {
g.sendPanic(level.Error, message.NewLinesMessage(a...))
}
func (g *Grip) Warningln(a ...interface{}) {
g.sender.Send(level.Warning, message.NewLinesMessage(a...))
}
func (g *Grip) Noticeln(a ...interface{}) {
g.sender.Send(level.Notice, message.NewLinesMessage(a...))
}
func (g *Grip) ErrorFatalln(a ...interface{}) {
g.sendFatal(level.Error, message.NewLinesMessage(a...))
}
func (g *Grip) EmergencyFatalWhenln(conditional bool, msg ...interface{}) {
g.conditionalSendFatal(level.Emergency, conditional, message.NewLinesMessage(msg...))
}
func (g *Grip) Debugln(a ...interface{}) {
g.sender.Send(level.Debug, message.NewLinesMessage(a...))
}
func (g *Grip) ErrorPanicWhenln(conditional bool, msg ...interface{}) {
g.conditionalSendPanic(level.Error, conditional, message.NewLinesMessage(msg...))
}
func (g *Grip) CriticalWhenln(conditional bool, msg ...interface{}) {
g.CriticalWhen(conditional, message.NewLinesMessage(msg...))
}
func (g *Grip) EmergencyPanicln(a ...interface{}) {
g.sendPanic(level.Emergency, message.NewLinesMessage(a...))
}
func (g *Grip) Emergencyln(a ...interface{}) {
g.sender.Send(level.Emergency, message.NewLinesMessage(a...))
}
func (g *Grip) Defaultln(a ...interface{}) {
g.sender.Send(g.sender.DefaultLevel(), message.NewLinesMessage(a...))
}
func (g *Grip) Sendln(l level.Priority, a ...interface{}) {
g.sender.Send(l, message.NewLinesMessage(a...))
}
func (g *Grip) SendWhenln(conditional bool, l level.Priority, msg ...interface{}) {
g.SendWhen(conditional, l, message.NewLinesMessage(msg...))
}
func (g *Grip) EmergencyFatalln(a ...interface{}) {
g.sendFatal(level.Emergency, message.NewLinesMessage(a...))
}
func (g *Grip) Infoln(a ...interface{}) {
g.sender.Send(level.Info, message.NewLinesMessage(a...))
}
func (g *Grip) CriticalFatalWhenln(conditional bool, msg ...interface{}) {
g.conditionalSendFatal(level.Critical, conditional, message.NewLinesMessage(msg...))
}
func (g *Grip) Alertln(a ...interface{}) {
g.sender.Send(level.Alert, message.NewLinesMessage(a...))
}
func (g *Grip) WarningWhenln(conditional bool, msg ...interface{}) {
g.WarningWhen(conditional, message.NewLinesMessage(msg...))
}
func (g *Grip) AlertPanicln(a ...interface{}) {
g.sendPanic(level.Alert, message.NewLinesMessage(a...))
}
func (g *Grip) EmergencyWhenln(conditional bool, msg ...interface{}) {
g.EmergencyWhen(conditional, message.NewLinesMessage(msg...))
}
func (g *Grip) AlertFatalln(a ...interface{}) {
g.sendFatal(level.Alert, message.NewLinesMessage(a...))
}
func (g *Grip) AlertWhenln(conditional bool, msg ...interface{}) {
g.AlertWhen(conditional, message.NewLinesMessage(msg...))
}
func (g *Grip) Errorln(a ...interface{}) {
g.sender.Send(level.Error, message.NewLinesMessage(a...))
}