require 'minitest/mock' module ActiveSupport module Testing module MethodCallAssertions # :nodoc: private def assert_called(object, method_name, message = nil, times: 1, returns: nil) times_called = 0 object.stub(method_name, proc { times_called += 1; returns }) { yield } error = "Expected #{method_name} to be called #{times} times, " \ "but was called #{times_called} times" error = "#{message}.\n#{error}" if message assert_equal times, times_called, error end def assert_called_with(object, method_name, args = [], returns: nil) mock = Minitest::Mock.new if args.all? { |arg| arg.is_a?(Array) } args.each { |arg| mock.expect(:call, returns, arg) } else mock.expect(:call, returns, args) end object.stub(method_name, mock) { yield } mock.verify end def assert_not_called(object, method_name, message = nil, &block) assert_called(object, method_name, message, times: 0, &block) end def stub_any_instance(klass, instance: klass.new) klass.stub(:new, instance) { yield instance } end end end end