goext/exerr/exerr_test.go

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2023-08-08 13:09:15 +02:00
package exerr
import (
"errors"
"gogs.mikescher.com/BlackForestBytes/goext/tst"
"testing"
)
type golangErr struct {
Message string
}
func (g golangErr) Error() string {
return g.Message
}
type golangErr2 struct {
Message string
}
func (g golangErr2) Error() string {
return g.Message
}
type simpleError struct {
}
func (g simpleError) Error() string {
return "Something simple went wroong"
}
type simpleError2 struct {
}
func (g simpleError2) Error() string {
return "Something simple went wroong"
}
func TestExErrIs1(t *testing.T) {
e0 := simpleError{}
wrap := Wrap(e0, "something went wrong").Str("test", "123").Build()
tst.AssertTrue(t, errors.Is(wrap, simpleError{}))
tst.AssertFalse(t, errors.Is(wrap, golangErr{}))
tst.AssertFalse(t, errors.Is(wrap, golangErr{"error1"}))
}
func TestExErrIs2(t *testing.T) {
e0 := golangErr{"error1"}
wrap := Wrap(e0, "something went wrong").Str("test", "123").Build()
tst.AssertTrue(t, errors.Is(wrap, e0))
tst.AssertTrue(t, errors.Is(wrap, golangErr{"error1"}))
tst.AssertFalse(t, errors.Is(wrap, golangErr{"error2"}))
tst.AssertFalse(t, errors.Is(wrap, simpleError{}))
}
func TestExErrAs(t *testing.T) {
e0 := golangErr{"error1"}
w0 := Wrap(e0, "something went wrong").Str("test", "123").Build()
{
out := golangErr{}
ok := errors.As(w0, &out)
tst.AssertTrue(t, ok)
tst.AssertEqual(t, out.Message, "error1")
}
w1 := Wrap(w0, "outher error").Build()
{
out := golangErr{}
ok := errors.As(w1, &out)
tst.AssertTrue(t, ok)
tst.AssertEqual(t, out.Message, "error1")
}
{
out := golangErr2{}
ok := errors.As(w1, &out)
tst.AssertFalse(t, ok)
}
{
out := simpleError2{}
ok := errors.As(w1, &out)
tst.AssertFalse(t, ok)
}
}