require 'spec_helper' describe Projects::GroupLinks::DestroyService, '#execute' do let(:group_link) { create :project_group_link } let(:project) { group_link.project } let(:user) { create :user } let(:subject) { described_class.new(project, user) } it 'removes group from project' do expect { subject.execute(group_link) }.to change { project.project_group_links.count }.from(1).to(0) end it 'returns false if group_link is blank' do expect { subject.execute(nil) }.not_to change { project.project_group_links.count } end end