iD/test/spec/actions/delete_multiple.js

describe('iD.actions.DeleteMultiple', function () {
    it('deletes multiple entities of heterogeneous types', function () {
        var n      = iD.Node(),
            w      = iD.Way(),
            r      = iD.Relation(),
            action = iD.actions.DeleteMultiple([n.id, w.id, r.id]),
            graph  = action(iD.Graph([n, w, r]));
        expect(graph.hasEntity(n.id)).to.be.undefined;
        expect(graph.hasEntity(w.id)).to.be.undefined;
        expect(graph.hasEntity(r.id)).to.be.undefined;
    });

    it('deletes a way and one of its nodes', function () {
        var n      = iD.Node(),
            w      = iD.Way({nodes: [n.id]}),
            action = iD.actions.DeleteMultiple([w.id, n.id]),
            graph  = action(iD.Graph([n, w]));
        expect(graph.hasEntity(w.id)).to.be.undefined;
        expect(graph.hasEntity(n.id)).to.be.undefined;
    });

    describe('#disabled', function () {
        it('returns the result of the first action that is disabled', function () {
            var node     = iD.Node(),
                relation = iD.Relation({members: [{id: 'w'}]}),
                graph    = iD.Graph([node, relation]),
                action   = iD.actions.DeleteMultiple([node.id, relation.id]);
            expect(action.disabled(graph)).to.equal('incomplete_relation');
        });
    });
});