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色々あってRSpecのstubで副作用を生み出したいとき

Ruby

Posted at 2019-04-22

allow(dbl).to receive(:foo) { do_something }
allow(dbl).to receive(:foo).with("args") { do_something }
allow(dbl).to receive(:foo).once { do_something }
allow(dbl).to receive(:foo).ordered { do_something }

do_somethingで何かをすればいい。
block の戻り値がそのstubの戻り値になるので、同時にand_returnは使えない。

参考: https://relishapp.com/rspec/rspec-mocks/v/3-8/docs/configuring-responses/block-implementation

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