def foobar(options)
	if !options.is_a?(Hash) || options[:pdf].nil?
		return "fail"
	else
		return "pass"
	end
end

describe "testing options" do
  it "should fail with nil" do
    a = foobar(nil)
		a.should == "fail"
  end

	it "should fail with hash" do
	  a = foobar({})
		a.should == "fail"
	end

	it "should fail with nil key" do
		a = foobar({:pdf => nil})
		a.should == "fail"
	end

	it "should pass with not-nil key" do
		a = foobar({:pdf => "not-nil"})
		a.should == "pass"
	end

end