Library/Formula/checkstyle.rb


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class Checkstyle < Formula
  homepage "http://checkstyle.sourceforge.net/"
  url "https://downloads.sourceforge.net/project/checkstyle/checkstyle/6.3/checkstyle-6.3-bin.tar.gz"
  sha1 "13cc70785a4208f854677726ede5518997122224"

  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 = `#{bin}/checkstyle -c /sun_checks.xml #{path}`
    errors = output.split("\n").select { |line| line.start_with?(path) }
    assert errors.include?("#{path}:1:17: '{' is not preceded with whitespace.")
    assert_equal errors.size, $?.exitstatus
  end
end