Bogus.have_received in minispec

bogus-minitest.rb

require 'minitest/autorun'
require 'set' # bummer, I forgot to require set in Bogus
require 'bogus'

class Foo
  def bar(x, y)
  end
end

module Bogus
  def self.have_received_matcher(method, args)
    Bogus.have_received.__send__(method, *args)
  end
end

module MiniTest::Assertions
  def assert_has_received(subject, method, args)
    matcher = Bogus.have_received_matcher(method, args)
    assert matcher.matches?(subject), matcher.failure_message_for_should
  end

  def refute_has_received(subject, method, args)
    matcher = Bogus.have_received_matcher(method, args)
    refute matcher.matches?(subject), matcher.failure_message_for_should_not
  end
end

module MiniTest::Expectations
  infect_an_assertion :assert_has_received, :must_have_received, true
  infect_an_assertion :refute_has_received, :wont_have_received, true
end

describe "bogus + minitest" do
  let(:foo) { Bogus.fake_for(:foo) }

  describe "with assertions" do
    it "can spy" do
      foo.bar(2,3)

      assert_has_received(foo, :bar, [1, 2])
    end

    it "can have negative expectations" do
      foo.bar(1,2)

      refute_has_received(foo, :bar, [1, 2])
    end
  end

  describe "with matchers" do
    it "can spy" do
      foo.bar(2,3)

      foo.must_have_received(:bar, [1, 2])
    end

    it "can have negative expectations" do
      foo.bar(1,2)

      foo.wont_have_received(:bar, [1, 2])
    end
  end
end