使用当前示例

您可以参考示例对象并访问其元数据，使用提供给以下对象的块参数：it、subject、let 以及 before、after 和 around 钩子。

从示例中访问 example 对象

假设有一个名为“spec/example_spec.rb”的文件，其中包含

RSpec.describe "example as block arg to it, before, and after" do
  before do |example|
    expect(example.description).to eq("is the example object")
  end

  after do |example|
    expect(example.description).to eq("is the example object")
  end

  it "is the example object" do |example|
    expect(example.description).to eq("is the example object")
  end
end

RSpec.describe "example as block arg to let" do
  let(:the_description) do |example|
    example.description
  end

  it "is the example object" do |example|
    expect(the_description).to eq("is the example object")
  end
end

RSpec.describe "example as block arg to subject" do
  subject do |example|
    example.description
  end

  it "is the example object" do |example|
    expect(subject).to eq("is the example object")
  end
end

RSpec.describe "example as block arg to subject with a name" do
  subject(:the_subject) do |example|
    example.description
  end

  it "is the example object" do |example|
    expect(the_subject).to eq("is the example object")
    expect(subject).to eq("is the example object")
  end
end

当我运行 rspec spec/example_spec.rb

那么示例应该通过。