require "cmd/shared_examples/args_parse" describe "Homebrew.missing_args" do it_behaves_like "parseable arguments" end describe "brew missing", :integration_test do it "prints missing dependencies" do setup_test_formula "foo" setup_test_formula "bar" (HOMEBREW_CELLAR/"bar/1.0").mkpath expect { brew "missing" } .to output("foo\n").to_stdout .and not_to_output.to_stderr .and be_a_failure end end