community_test.go

package forest_test

import (
	"testing"

	forest "git.sr.ht/~whereswaldon/forest-go"
	"git.sr.ht/~whereswaldon/forest-go/fields"
	"git.sr.ht/~whereswaldon/forest-go/testutil"
)

func TestCommunityNewline(t *testing.T) {
	identity, privkey := testutil.MakeIdentityOrSkip(t)
	_, err := forest.As(identity, privkey).NewCommunity("string with \n newline", []byte{})
	if err == nil {
		t.Error("Failed to raise error in Community with newline in name")
	}
}

func TestCommunityValidatesSelf(t *testing.T) {
	identity, _, community := testutil.MakeCommunityOrSkip(t)
	if correct, err := forest.ValidateID(community, *community.ID()); err != nil || !correct {
		t.Error("ID validation failed on unmodified node", err)
	}
	if correct, err := forest.ValidateSignature(community, identity); err != nil || !correct {
		t.Error("Signature validation failed on unmodified node", err)
	}
}

func TestCommunityValidationFailsWhenTampered(t *testing.T) {
	identity, _, community := testutil.MakeCommunityOrSkip(t)
	community.Name.Blob = fields.Blob([]byte("whatever"))
	if correct, err := forest.ValidateID(community, *community.ID()); err == nil && correct {
		t.Error("ID validation failed on unmodified node", err)
	}
	if correct, err := forest.ValidateSignature(community, identity); err == nil && correct {
		t.Error("Signature validation failed on unmodified node", err)
	}
}

func TestCommunitySerialize(t *testing.T) {
	_, _, community := testutil.MakeCommunityOrSkip(t)
	buf, err := community.MarshalBinary()
	if err != nil {
		t.Error("Failed to serialize identity", err)
	}
	c2, err := forest.UnmarshalCommunity(buf)
	if err != nil {
		t.Error("Failed to deserialize identity", err)
	}
	if !community.Equals(c2) {
		t.Errorf("Deserialized identity should be the same as what went in, expected %v, got %v", community, c2)
	}
}