class ClosureStylesheets < Formula desc "Extended CSS preprocessor, linter, and internationalizer" homepage "https://github.com/google/closure-stylesheets" url "https://github.com/google/closure-stylesheets/releases/download/v1.5.0/closure-stylesheets.jar" version "1.5.0" sha256 "aa4e9b23093187a507a4560d13e59411fc92e285bc911b908a6bcf39479df03c" bottle :unneeded depends_on :java => "1.7+" def install libexec.install "closure-stylesheets.jar" bin.write_jar_script libexec/"closure-stylesheets.jar", "closure-stylesheets" end test do (testpath/"test.gss").write <<~EOS @def A 5px; @def B 10px; .test { width: add(A, B); } EOS system bin/"closure-stylesheets", testpath/"test.gss", "-o", testpath/"out.css" assert_equal (testpath/"out.css").read.chomp, ".test{width:15px}" end end