require File.expand_path(File.dirname(__FILE__) + '/../../test_helper')

describe ::Inch::Utils::UI do
  it "should trace" do
    out, err = capture_io do
      @instance = ::Inch::Utils::UI.new
      @instance.trace("Test")
    end
    refute out.empty?, "there should be no output"
    assert err.empty?, "there should be no errors"
  end

  it "should trace header" do
    out, err = capture_io do
      @instance = ::Inch::Utils::UI.new
      @instance.header("Test", :red)
    end
    refute out.empty?, "there should be no output"
    assert err.empty?, "there should be no errors"
  end

  it "should trace debug if ENV variable is set" do
    ENV['DEBUG'] = "1"
    out, err = capture_io do
      @instance = ::Inch::Utils::UI.new
      @instance.debug("Test")
    end
    ENV['DEBUG'] = nil
    refute out.empty?, "there should be no output"
    assert err.empty?, "there should be no errors"
  end

  it "should not trace debug if ENV variable is set" do
    refute ENV['DEBUG']
    out, err = capture_io do
      @instance = ::Inch::Utils::UI.new
      @instance.debug("Test")
    end
    assert out.empty?, "there should be no output"
    assert err.empty?, "there should be no errors"
  end
end