package merrors

import (
	"errors"
	"testing"
	"time"
)

func TestWithThrottlePreservesClassificationAndDetails(t *testing.T) {
	base := Define("verificationLimited")
	err := Wrap(
		WithThrottle(base, " destination ", 45*time.Second, "request is temporarily limited"),
		"verification failed",
	)

	if !errors.Is(err, base) {
		t.Fatalf("throttle error did not preserve classification: %v", err)
	}
	details, ok := ThrottleDetailsFrom(err)
	if !ok {
		t.Fatal("throttle details were not available through wrapping")
	}
	if details.ScopeKind != "destination" || details.RetryAfter != 45*time.Second {
		t.Fatalf("unexpected throttle details: %+v", details)
	}
	if got, want := err.Error(), "verificationLimited: request is temporarily limited: verification failed"; got != want {
		t.Fatalf("unexpected throttle error text: got=%q want=%q", got, want)
	}
}

func TestThrottleDetailsFromRejectsUnannotatedError(t *testing.T) {
	if details, ok := ThrottleDetailsFrom(ServiceUnavailable("dependency unavailable")); ok {
		t.Fatalf("unexpected throttle details: %+v", details)
	}
}