Contents

require_relative "setup"

class CmdTest < Test::Unit::TestCase
  def test_ruby_stdout
    assert_equal "42\n", cmd("ruby", "-e", "puts 42").stdout
  end

  def test_ruby_stderr
    assert_equal "42\n", cmd("ruby", "-e", "warn 42").stderr
  end

  def test_ruby_success_exit_status
    assert_equal 0, cmd("ruby", "-e", "exit 0").exit_status
  end

  def test_ruby_failure_exit_status
    assert_equal 1, cmd("ruby", "-e", "exit 1").exit_status
  end

  def test_stdout_with_fork
    code = <<-CODE.each_line.map { _1.chomp.strip }.join(";")
      $stdout.sync = true
      pid = fork do
        sleep(1)
        puts "bar"
      end
      puts "foo"
      Process.wait(pid)
    CODE
    assert_equal "foo\nbar\n", cmd("ruby", "-e", code).stdout
  end

  def test_each_line_stdout
    run = false
    cmd("ruby", "-e", "puts 'FooBar'")
    .each_line do
      run = true
      assert_equal "FooBar\n", _1
    end
    assert run
  end

  def test_each_line_stderr
    run = false
    cmd("ruby", "-e", "warn 'BarFoo'")
    .each_line(:stderr) do
      run = true
      assert_equal "BarFoo\n", _1
    end
    assert run
  end

  def test_each_line_returns_enum
    assert_instance_of Enumerator,
                       cmd("ruby", "-e", "puts 'FooBar'").each_line
  end

  def test_cmd_with_argv
    assert_equal "42\n", cmd("ruby")
                           .argv("-e", "warn 42")
                           .stderr
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
test-cmd.rb-0.8.0	test/test_cmd_test.rb