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golangのテストでDoAndReturnのところでCall with too many input argumentsエラーが出たときの対処法

Last updated at Posted at 2020-11-14
m.EXPECT().SomeMethod(name string, number int).DoAndReturn(func() error {
  // 様々な処理
  return nil
})

これだと、panic: reflect: Call with too many input argumentsエラーが出る

なので、以下のようにする

m.EXPECT().SomeMethod(name string, number int).DoAndReturn(func(name string, number int) error {
  // 様々な処理
  return nil
})

つまり、mockにしたいメソッド(SomeMethod)の引数とDoAndReturnの引数の関数の引数は一致させなければならない

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