brew/Library/Homebrew/test/custom_command_test.rb

require "testing_env"

class IntegrationCommandTestCustomCommand < IntegrationCommandTestCase
  def test_custom_command
    mktmpdir do |path|
      cmd = "int-test-#{rand}"
      file = "#{path}/brew-#{cmd}"

      File.open(file, "w") do |f|
        f.write "#!/bin/sh\necho 'I am #{cmd}'\n"
      end
      FileUtils.chmod 0777, file

      assert_match "I am #{cmd}",
        cmd(cmd, "PATH" => "#{path}#{File::PATH_SEPARATOR}#{ENV["PATH"]}")
    end
  end
end