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我正在为多次调用另一个对象的方法(IO#delete)的对象(示例)编写规范。

我想隔离此方法的测试,但是当我这样做时:

class Sample
  def delete_them
    io.delete "file1"
    io.delete "folder1"
  end
end

describe Sample do
  let(:io) { stub.as_null_object }
  subject  { Sample.new.tap { |s| s.stub(:io).and_return(io) }}

  it "deletes file1" do
    io.should_receive(:delete).with("file1")
    subject.delete_them
  end

  it "deletes folder1" do
    io.should_receive(:delete).with("folder1")
    subject.delete_them
  end
end

如果我调用多个方法,这不是问题,因为我使用的是空对象模式。但是,在这种情况下,当我执行第二个测试时,它会抱怨:

1) Sample instance methods#delete_them deletes folder1
   Failure/Error: io.should_receive(:delete).with("folder1")
     Stub received :delete with unexpected arguments
       expected: ("folder1")
            got: ("file1")

有没有办法表明必须忽略所有呼叫,除了我试图确保完成的呼叫?

4

1 回答 1

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这段代码编译得很好。这是导致我的问题的另一个问题。

于 2011-10-23T00:41:53.970 回答