type-extended errors for Go with stack traces
func TestError(t *testing.T) {
erf := func () error {
return New("Error. Error. Danger Will Robinson! Danger!")
}
PrintStackTrace(erf())
}Error. Error. Danger Will Robinson! Danger!
[0] github.com/dtromb/errors.TestError.func1@0x0000000000476C86 at /home/dtrombley/go/path/src/github.com/dtromb/errors/errors_test.go:10
[1] github.com/dtromb/errors.TestError@0x0000000000476ADD at /home/dtrombley/go/path/src/github.com/dtromb/errors/errors_test.go:12
[2] testing.tRunner@0x0000000000471161 at /home/dtrombley/go/root/src/testing/testing.go:611
[3] runtime.goexit@0x000000000045D5A1 at /home/dtrombley/go/root/src/runtime/asm_amd64.s:2087
func TestPanic(t *testing.T) {
defer func() {
r := recover()
if r != nil {
PrintStackTrace(PanicToError(r))
}
}()
erf := func () error {
panic("NOT YOURS")
return New("can I have a pony?")
}
PrintStackTrace(erf())
}NOT YOURS
[0] github.com/dtromb/errors.PanicToError@0x0000000000475DDE at /home/dtrombley/go/path/src/github.com/dtromb/errors/errors.go:145
[1] github.com/dtromb/errors.TestPanic.func1@0x0000000000476D22 at /home/dtrombley/go/path/src/github.com/dtromb/errors/errors_test.go:19
[2] runtime.call32@0x000000000045AA5C at /home/dtrombley/go/root/src/runtime/asm_amd64.s:479
[3] runtime.gopanic@0x000000000042B473 at /home/dtrombley/go/root/src/runtime/panic.go:459
[4] github.com/dtromb/errors.TestPanic.func2@0x0000000000476DBD at /home/dtrombley/go/path/src/github.com/dtromb/errors/errors_test.go:23
[5] github.com/dtromb/errors.TestPanic@0x0000000000476B59 at /home/dtrombley/go/path/src/github.com/dtromb/errors/errors_test.go:26
[6] testing.tRunner@0x0000000000471161 at /home/dtrombley/go/root/src/testing/testing.go:611
[7] runtime.goexit@0x000000000045D5A1 at /home/dtrombley/go/root/src/runtime/asm_amd64.s:2087
func TestCause(t *testing.T) {
erf1 := func() error {
return New("this function is never gonna work")
}
erf2 := func() error {
err := erf1()
if err != nil {
return New("is this function gonna work?").CausedBy(err)
}
return nil
}
PrintStackTrace(erf2())
}
is this function gonna work?
[0] github.com/dtromb/errors.TestCause.func2@0x0000000000476EAF at /home/dtrombley/go/path/src/github.com/dtromb/errors/errors_test.go:36
[1] github.com/dtromb/errors.TestCause@0x0000000000476C03 at /home/dtrombley/go/path/src/github.com/dtromb/errors/errors_test.go:40
[2] testing.tRunner@0x0000000000471161 at /home/dtrombley/go/root/src/testing/testing.go:611
[3] runtime.goexit@0x000000000045D5A1 at /home/dtrombley/go/root/src/runtime/asm_amd64.s:2087
... caused by: this function is never gonna work
[0] github.com/dtromb/errors.TestCause.func1@0x0000000000476E06 at /home/dtrombley/go/path/src/github.com/dtromb/errors/errors_test.go:31
[1] github.com/dtromb/errors.TestCause.func2@0x0000000000476E7A at /home/dtrombley/go/path/src/github.com/dtromb/errors/errors_test.go:34
[2] github.com/dtromb/errors.TestCause@0x0000000000476C03 at /home/dtrombley/go/path/src/github.com/dtromb/errors/errors_test.go:40
[3] testing.tRunner@0x0000000000471161 at /home/dtrombley/go/root/src/testing/testing.go:611
[4] runtime.goexit@0x000000000045D5A1 at /home/dtrombley/go/root/src/runtime/asm_amd64.s:2087