minitest - mock - expect关键字参数

Question

当我想验证mock是否发送预期参数时，我可以这样做

@mock.expect(:fnc, nil, ["a, "b"])

但是，如果我想要模拟的类看起来像这样

class Foo
    def fnc a:, b:
    end
end

我如何模拟它并验证作为a:，b:传递的值？

Answer 1

以下是我公司代码库中的一个真实示例：

mailer = MiniTest::Mock.new
mailer.expect :send, 123 do |template_name:, data:, to:, subject:|
  true
end
mailer.send template_name: "xxx", data: {}, to: [], subject: "yyy"

如果您还想验证参数的类型：

mailer.expect :send, 123 do |template_name:, data:, to:, subject:|
  template_name.is_a?(String) &&
    data.is_a?(Hash) &&
    to.is_a?(Array) &&
    subject.is_a?(String) &&
end

Answer 2

require 'minitest/autorun'

class APIClient
  def call; end
end

class APIClientTest < Minitest::Test
  def test_keyword_aguments_expection
    api_client = Minitest::Mock.new
    api_client.expect(:call, true, [{ endpoint_url: 'https://api.test', secret_key: 'test' }])
    api_client.call(endpoint_url: 'https://api.test', secret_key: 'test')
    api_client.verify
  end
end

# Running:
.
Finished in 0.000726s, 1377.5945 runs/s, 0.0000 assertions/s.
1 runs, 0 assertions, 0 failures, 0 errors, 0 skips
[Finished in 0.7s]

Answer 3

基于@nus comment，

class FooTest
  def test_fnc_arguments
    Foo.new.fnc a: "a", b: "b"
    # assert true # optional
  end
end