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package errorx
import (
"errors"
"fmt"
"testing"
"time"
"github.com/stretchr/testify/require"
)
func TestPanic(t *testing.T) {
defer func() {
r := recover()
require.NotNil(t, r)
output := fmt.Sprintf("%v", r)
require.Contains(t, output, "errorx.funcWithErr()", output)
}()
Panic(funcWithErr())
}
func TestPanicErrorx(t *testing.T) {
defer func() {
r := recover()
require.NotNil(t, r)
output := fmt.Sprintf("%v", r)
require.Contains(t, output, "awful", output)
require.Contains(t, output, "errorx.funcWithBadPanic()", output)
}()
funcWithBadPanic()
}
func TestPanicRecover(t *testing.T) {
defer func() {
r := recover()
require.NotNil(t, r)
err, ok := ErrorFromPanic(r)
require.True(t, ok)
output := fmt.Sprintf("%+v", err)
require.Contains(t, output, "errorx.funcWithErr()", output)
require.Contains(t, output, "bad", output)
require.True(t, IsOfType(err, testType))
}()
Panic(funcWithErr())
}
func TestPanicRecoverNoTrace(t *testing.T) {
defer func() {
r := recover()
require.NotNil(t, r)
err, ok := ErrorFromPanic(r)
require.True(t, ok)
output := fmt.Sprintf("%+v", err)
require.NotContains(t, output, "errorx.funcWithErrNoTrace()", output)
require.Contains(t, output, "errorx.funcWithPanicNoTrace()", output)
require.Contains(t, output, "silent", output)
require.True(t, IsOfType(err, testType))
}()
funcWithPanicNoTrace()
}
func TestPanicRecoverNoErrorx(t *testing.T) {
defer func() {
r := recover()
require.NotNil(t, r)
err, ok := ErrorFromPanic(r)
require.True(t, ok)
output := fmt.Sprintf("%+v", err)
require.NotContains(t, output, "errorx.funcWithBadErr()", output)
require.Contains(t, output, "errorx.funcWithBadPanic()", output)
require.Contains(t, output, "awful", output)
require.False(t, IsOfType(err, testType))
}()
funcWithBadPanic()
}
func funcWithErr() error {
return testType.New("bad")
}
func funcWithPanicNoTrace() {
Panic(funcWithErrNoTrace())
}
func funcWithErrNoTrace() error {
return testTypeSilent.New("silent")
}
func funcWithBadPanic() {
Panic(funcWithBadErr())
}
func funcWithBadErr() error {
return errors.New("awful")
}
func TestPanicChain(t *testing.T) {
ch0 := make(chan error, 1)
ch1 := make(chan error, 1)
go doMischief(ch1)
go doMoreMischief(ch0, ch1)
select {
case err := <-ch0:
require.Error(t, err)
require.False(t, IsOfType(err, AssertionFailed))
output := fmt.Sprintf("%+v", err)
require.Contains(t, output, "mischiefProper", output)
require.Contains(t, output, "mischiefAsPanic", output)
require.Contains(t, output, "doMischief", output)
require.Contains(t, output, "handleMischief", output)
require.NotContains(t, output, "doMoreMischief", output) // stack trace is only enhanced in Panic, not in user code
t.Log(output)
case <-time.After(time.Second):
require.Fail(t, "expected error")
}
}
func doMoreMischief(ch0 chan error, ch1 chan error) {
defer func() {
if e := recover(); e != nil {
err, ok := ErrorFromPanic(e)
if ok {
ch0 <- Decorate(err, "hop 2")
return
}
}
ch0 <- AssertionFailed.New("test failed")
}()
handleMischief(ch1)
}
func handleMischief(ch chan error) {
err := <-ch
Panic(Decorate(err, "handle"))
}
func doMischief(ch chan error) {
defer func() {
if e := recover(); e != nil {
err, ok := ErrorFromPanic(e)
if ok {
ch <- Decorate(err, "hop 1")
return
}
}
ch <- AssertionFailed.New("test failed")
}()
mischiefAsPanic()
}
func mischiefAsPanic() {
Panic(mischiefProper())
}
func mischiefProper() error {
return ExternalError.New("mischief")
}
|
