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package container
import (
"reflect"
"syscall"
"testing"
)
func TestGetSetOutput(t *testing.T) {
{
out := GetOutput()
t.Cleanup(func() { SetOutput(out) })
}
t.Run("default", func(t *testing.T) {
SetOutput(new(stubOutput))
if v, ok := GetOutput().(*DefaultMsg); ok {
t.Fatalf("SetOutput: got unexpected output %#v", v)
}
SetOutput(nil)
if _, ok := GetOutput().(*DefaultMsg); !ok {
t.Fatalf("SetOutput: got unexpected output %#v", GetOutput())
}
})
t.Run("stub", func(t *testing.T) {
SetOutput(new(stubOutput))
if _, ok := GetOutput().(*stubOutput); !ok {
t.Fatalf("SetOutput: got unexpected output %#v", GetOutput())
}
})
}
func TestWrapErr(t *testing.T) {
{
out := GetOutput()
t.Cleanup(func() { SetOutput(out) })
}
var wrapFp *func(error, ...any) error
s := new(stubOutput)
SetOutput(s)
wrapFp = &s.wrapF
testCases := []struct {
name string
f func(t *testing.T)
wantErr error
wantA []any
}{
{"suffix nil", func(t *testing.T) {
if err := wrapErrSuffix(nil, "\x00"); err != nil {
t.Errorf("wrapErrSuffix: %v", err)
}
}, nil, nil},
{"suffix val", func(t *testing.T) {
if err := wrapErrSuffix(syscall.ENOTRECOVERABLE, "\x00\x00"); err != syscall.ENOTRECOVERABLE {
t.Errorf("wrapErrSuffix: %v", err)
}
}, syscall.ENOTRECOVERABLE, []any{"\x00\x00", syscall.ENOTRECOVERABLE}},
{"self nil", func(t *testing.T) {
if err := wrapErrSelf(nil); err != nil {
t.Errorf("wrapErrSelf: %v", err)
}
}, nil, nil},
{"self val", func(t *testing.T) {
if err := wrapErrSelf(syscall.ENOTRECOVERABLE); err != syscall.ENOTRECOVERABLE {
t.Errorf("wrapErrSelf: %v", err)
}
}, syscall.ENOTRECOVERABLE, []any{"state not recoverable"}},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
var (
gotErr error
gotA []any
)
*wrapFp = func(err error, a ...any) error { gotErr = err; gotA = a; return err }
tc.f(t)
if gotErr != tc.wantErr {
t.Errorf("WrapErr: err = %v, want %v", gotErr, tc.wantErr)
}
if !reflect.DeepEqual(gotA, tc.wantA) {
t.Errorf("WrapErr: a = %v, want %v", gotA, tc.wantA)
}
})
}
}
type stubOutput struct {
wrapF func(error, ...any) error
}
func (*stubOutput) IsVerbose() bool { panic("unreachable") }
func (*stubOutput) Verbose(...any) { panic("unreachable") }
func (*stubOutput) Verbosef(string, ...any) { panic("unreachable") }
func (*stubOutput) PrintBaseErr(error, string) { panic("unreachable") }
func (*stubOutput) Suspend() { panic("unreachable") }
func (*stubOutput) Resume() bool { panic("unreachable") }
func (*stubOutput) BeforeExit() { panic("unreachable") }
func (s *stubOutput) WrapErr(err error, v ...any) error {
if s.wrapF == nil {
panic("unreachable")
}
return s.wrapF(err, v...)
}
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