require "cmd/shared_examples/args_parse" describe "Homebrew.link_args" do it_behaves_like "parseable arguments" end describe "brew link", :integration_test do it "links a given Formula" do install_test_formula "testball" Formula["testball"].opt_or_installed_prefix_keg.unlink expect { brew "link", "testball" } .to output(/Linking/).to_stdout .and not_to_output.to_stderr .and be_a_success end end