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require File.join(File.dirname(__FILE__), "acceptance_test_helper")
require 'mocha'
class StubInstanceMethodTest < Test::Unit::TestCase
include AcceptanceTest
def setup
setup_acceptance_test
end
def teardown
teardown_acceptance_test
end
def test_should_leave_stubbed_public_method_unchanged_after_test
instance = Class.new do
def my_instance_method
:original_return_value
end
end.new
run_test do
instance.stubs(:my_instance_method).returns(:new_return_value)
end
assert instance.public_methods(false).any? { |m| m.to_s == 'my_instance_method' }
assert_equal :original_return_value, instance.my_instance_method
end
def test_should_leave_stubbed_protected_method_unchanged_after_test
instance = Class.new do
def my_instance_method
:original_return_value
end
protected :my_instance_method
end.new
run_test do
instance.stubs(:my_instance_method).returns(:new_return_value)
end
assert instance.protected_methods(false).any? { |m| m.to_s == 'my_instance_method' }
assert_equal :original_return_value, instance.send(:my_instance_method)
end
def test_should_leave_stubbed_private_method_unchanged_after_test
instance = Class.new do
def my_instance_method
:original_return_value
end
private :my_instance_method
end.new
run_test do
instance.stubs(:my_instance_method).returns(:new_return_value)
end
assert instance.private_methods(false).any? { |m| m.to_s == 'my_instance_method' }
assert_equal :original_return_value, instance.send(:my_instance_method)
end
def test_should_reset_expectations_after_test
instance = Class.new do
def my_instance_method
:original_return_value
end
end.new
run_test do
instance.stubs(:my_instance_method).returns(:new_return_value)
end
assert_equal 0, instance.mocha.expectations.length
end
def test_should_be_able_to_stub_a_superclass_method
superklass = Class.new do
def my_superclass_method
:original_return_value
end
end
klass = Class.new(superklass)
instance = klass.new
test_result = run_test do
instance.stubs(:my_superclass_method).returns(:new_return_value)
assert_equal :new_return_value, instance.my_superclass_method
end
assert_passed(test_result)
assert instance.public_methods(true).any? { |m| m.to_s == 'my_superclass_method' }
assert !instance.public_methods(false).any? { |m| m.to_s == 'my_superclass_method' }
assert_equal :original_return_value, instance.my_superclass_method
end
def test_should_be_able_to_stub_method_if_ruby18_public_methods_include_method_but_method_does_not_exist_like_active_record_association_proxy
ruby18_instance = Class.new do
def public_methods(include_superclass = true)
['my_instance_method']
end
end.new
test_result = run_test do
ruby18_instance.stubs(:my_instance_method).returns(:new_return_value)
assert_equal :new_return_value, ruby18_instance.my_instance_method
end
assert_passed(test_result)
end
def test_should_be_able_to_stub_method_if_ruby19_public_methods_include_method_but_method_does_not_exist_like_active_record_association_proxy
ruby19_instance = Class.new do
def public_methods(include_superclass = true)
[:my_instance_method]
end
end.new
test_result = run_test do
ruby19_instance.stubs(:my_instance_method).returns(:new_return_value)
assert_equal :new_return_value, ruby19_instance.my_instance_method
end
assert_passed(test_result)
end
def test_should_be_able_to_stub_method_if_ruby18_protected_methods_include_method_but_method_does_not_exist_like_active_record_association_proxy
ruby18_instance = Class.new do
def protected_methods(include_superclass = true)
['my_instance_method']
end
end.new
test_result = run_test do
ruby18_instance.stubs(:my_instance_method).returns(:new_return_value)
assert_equal :new_return_value, ruby18_instance.my_instance_method
end
assert_passed(test_result)
end
def test_should_be_able_to_stub_method_if_ruby19_protected_methods_include_method_but_method_does_not_exist_like_active_record_association_proxy
ruby19_instance = Class.new do
def protected_methods(include_superclass = true)
[:my_instance_method]
end
end.new
test_result = run_test do
ruby19_instance.stubs(:my_instance_method).returns(:new_return_value)
assert_equal :new_return_value, ruby19_instance.my_instance_method
end
assert_passed(test_result)
end
def test_should_be_able_to_stub_method_if_ruby18_private_methods_include_method_but_method_does_not_exist_like_active_record_association_proxy
ruby18_instance = Class.new do
def private_methods(include_superclass = true)
['my_instance_method']
end
end.new
test_result = run_test do
ruby18_instance.stubs(:my_instance_method).returns(:new_return_value)
assert_equal :new_return_value, ruby18_instance.my_instance_method
end
assert_passed(test_result)
end
def test_should_be_able_to_stub_method_if_ruby19_private_methods_include_method_but_method_does_not_exist_like_active_record_association_proxy
ruby19_instance = Class.new do
def private_methods(include_superclass = true)
[:my_instance_method]
end
end.new
test_result = run_test do
ruby19_instance.stubs(:my_instance_method).returns(:new_return_value)
assert_equal :new_return_value, ruby19_instance.my_instance_method
end
assert_passed(test_result)
end
end
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