class Checkstyle < Formula desc "Check Java source against a coding standard" homepage "https://checkstyle.sourceforge.io/" url "https://github.com/checkstyle/checkstyle/releases/download/checkstyle-8.36/checkstyle-8.36-all.jar" sha256 "108a045d6aab90636fc6498023ad6dc39face7347ebf56066b7af4a9c0180fb9" license "LGPL-2.1-or-later" bottle :unneeded def install libexec.install "checkstyle-#{version}-all.jar" bin.write_jar_script libexec/"checkstyle-#{version}-all.jar", "checkstyle" end test do path = testpath/"foo.java" path.write "public class Foo{ }\n" output = shell_output("#{bin}/checkstyle -c /sun_checks.xml #{path}", 2) errors = output.lines.select { |line| line.start_with?("[ERROR] #{path}") } assert_match "#{path}:1:17: '{' is not preceded with whitespace.", errors.join(" ") assert_equal errors.size, $CHILD_STATUS.exitstatus end end