isle/go/nebula/signed_test.go

package nebula

import (
	"encoding/json"
	"errors"
	"testing"
)

func TestSigned(t *testing.T) {
	type msg struct {
		A int
		B string
		C bool
	}

	a := msg{1, "FOO", true}

	signedA, err := Sign(a, hostPrivCredsA.SigningPrivateKey)
	if err != nil {
		t.Fatal(err)
	}

	signedJSON, err := json.Marshal(signedA)
	if err != nil {
		t.Fatal(err)
	}

	t.Log(string(signedJSON))

	var signedB Signed[msg]
	if err := json.Unmarshal(signedJSON, &signedB); err != nil {
		t.Fatal(err)
	}

	_, err = signedB.Unwrap(hostPubCredsB.SigningKey)
	if !errors.Is(err, ErrInvalidSignature) {
		t.Fatalf("expected ErrInvalidSignature but got: %v", err)
	}

	b, err := signedB.Unwrap(hostPubCredsA.SigningKey)
	if err != nil {
		t.Fatal(err)
	}

	if a != b {
		t.Fatalf("expected:%+v, got:%+v", a, b)
	}
}