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# frozen_string_literal: true
require File.expand_path('../acceptance_test_helper', __FILE__)
class UnstubbingTest < Mocha::TestCase
include AcceptanceTestHelper
def setup
setup_acceptance_test
end
def teardown
teardown_acceptance_test
end
def test_unstubbing_an_instance_method_should_restore_original_behaviour
klass = Class.new do
def my_instance_method
:original_return_value
end
end
test_result = run_as_test do
object = klass.new
object.stubs(:my_instance_method).returns(:new_return_value)
object.unstub(:my_instance_method)
assert_equal :original_return_value, object.my_instance_method
end
assert_passed(test_result)
end
def test_unstubbing_a_class_method_should_restore_original_behaviour
klass = Class.new do
def self.my_class_method
:original_return_value
end
end
test_result = run_as_test do
klass.stubs(:my_class_method).returns(:new_return_value)
klass.unstub(:my_class_method)
assert_equal :original_return_value, klass.my_class_method
end
assert_passed(test_result)
end
def test_unstubbing_a_module_method_should_restore_original_behaviour
mod = Module.new do
def self.my_module_method
:original_return_value
end
end
test_result = run_as_test do
mod.stubs(:my_module_method).returns(:new_return_value)
mod.unstub(:my_module_method)
assert_equal :original_return_value, mod.my_module_method
end
assert_passed(test_result)
end
def test_unstubbing_a_module_method_defined_like_fileutils_in_ruby_2_0_should_restore_original_behaviour
mod = Module.new do
def my_module_method
:original_return_value
end
private :my_module_method
extend self
class << self
public :my_module_method
end
end
test_result = run_as_test do
mod.stubs(:my_module_method).returns(:new_return_value)
mod.unstub(:my_module_method)
assert_equal :original_return_value, mod.my_module_method
end
assert_passed(test_result)
end
def test_unstubbing_an_any_instance_method_should_restore_original_behaviour
klass = Class.new do
def my_instance_method
:original_return_value
end
end
test_result = run_as_test do
object = klass.new
klass.any_instance.stubs(:my_instance_method).returns(:new_return_value)
klass.any_instance.unstub(:my_instance_method)
assert_equal :original_return_value, object.my_instance_method
end
assert_passed(test_result)
end
def test_unstubbing_multiple_methods_should_restore_original_behaviour
klass = Class.new do
def my_first_instance_method
:original_return_value
end
def my_second_instance_method
:original_return_value
end
end
test_result = run_as_test do
object = klass.new
object.stubs(:my_first_instance_method).returns(:new_return_value)
object.stubs(:my_second_instance_method).returns(:new_return_value)
object.unstub(:my_first_instance_method, :my_second_instance_method)
assert_equal :original_return_value, object.my_first_instance_method
assert_equal :original_return_value, object.my_second_instance_method
end
assert_passed(test_result)
end
def test_unstubbing_a_method_multiple_times_should_restore_original_behaviour
klass = Class.new do
def my_instance_method
:original_return_value
end
end
test_result = run_as_test do
object = klass.new
object.stubs(:my_instance_method).returns(:new_return_value)
object.unstub(:my_instance_method)
object.unstub(:my_instance_method)
assert_equal :original_return_value, object.my_instance_method
end
assert_passed(test_result)
end
def test_unstubbing_a_non_stubbed_method_should_do_nothing
klass = Class.new do
def my_instance_method
:original_return_value
end
end
test_result = run_as_test do
object = klass.new
object.unstub(:my_instance_method)
assert_equal :original_return_value, object.my_instance_method
end
assert_passed(test_result)
end
def test_unstubbing_a_method_which_was_stubbed_multiple_times_should_restore_orginal_behaviour
klass = Class.new do
def my_instance_method
:original_return_value
end
end
test_result = run_as_test do
object = klass.new
object.stubs(:my_instance_method).with(:first).returns(:first_new_return_value)
object.stubs(:my_instance_method).with(:second).returns(:second_new_return_value)
object.unstub(:my_instance_method)
assert_equal :original_return_value, object.my_instance_method
end
assert_passed(test_result)
end
def test_unstubbing_a_method_should_not_unstub_other_stubbed_methods
klass = Class.new do
def my_first_instance_method
:first_return_value
end
def my_second_instance_method
:second_return_value
end
end
test_result = run_as_test do
object = klass.new
object.stubs(:my_first_instance_method).returns(:first_new_return_value)
object.stubs(:my_second_instance_method).returns(:second_new_return_value)
object.unstub(:my_first_instance_method)
assert_equal :first_return_value, object.my_first_instance_method
assert_equal :second_new_return_value, object.my_second_instance_method
end
assert_passed(test_result)
end
def test_unstubbing_a_method_should_remove_all_expectations_for_that_method
klass = Class.new do
def my_instance_method
:original_return_value
end
end
test_result = run_as_test do
object = klass.new
object.expects(:my_instance_method).with(:first)
object.expects(:my_instance_method).with(:second)
object.unstub(:my_instance_method)
end
assert_passed(test_result)
end
end
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