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require File.join(File.dirname(__FILE__), "acceptance_test_helper")
require 'mocha'
class StubModuleMethodTest < Test::Unit::TestCase
include AcceptanceTest
def setup
setup_acceptance_test
end
def teardown
teardown_acceptance_test
end
def test_should_stub_method_within_test
mod = Module.new { def self.my_module_method; :original_return_value; end }
test_result = run_test do
mod.stubs(:my_module_method).returns(:new_return_value)
assert_equal :new_return_value, mod.my_module_method
end
assert_passed(test_result)
end
def test_should_leave_stubbed_public_method_unchanged_after_test
mod = Module.new { class << self; def my_module_method; :original_return_value; end; public :my_module_method; end }
run_test do
mod.stubs(:my_module_method).returns(:new_return_value)
end
assert mod.public_methods(false).any? { |m| m.to_s == 'my_module_method' }
assert_equal :original_return_value, mod.my_module_method
end
def test_should_leave_stubbed_protected_method_unchanged_after_test
mod = Module.new { class << self; def my_module_method; :original_return_value; end; protected :my_module_method; end }
run_test do
mod.stubs(:my_module_method).returns(:new_return_value)
end
assert mod.protected_methods(false).any? { |m| m.to_s == 'my_module_method' }
assert_equal :original_return_value, mod.send(:my_module_method)
end
def test_should_leave_stubbed_private_method_unchanged_after_test
mod = Module.new { class << self; def my_module_method; :original_return_value; end; private :my_module_method; end }
run_test do
mod.stubs(:my_module_method).returns(:new_return_value)
end
assert mod.private_methods(false).any? { |m| m.to_s == 'my_module_method' }
assert_equal :original_return_value, mod.send(:my_module_method)
end
def test_should_reset_expectations_after_test
mod = Module.new { def self.my_module_method; :original_return_value; end }
run_test do
mod.stubs(:my_module_method)
end
assert_equal 0, mod.mocha.expectations.length
end
def test_should_be_able_to_stub_a_superclass_method
supermod = Module.new { def self.my_superclass_method; :original_return_value; end }
mod = Module.new { include supermod }
test_result = run_test do
mod.stubs(:my_superclass_method).returns(:new_return_value)
assert_equal :new_return_value, mod.my_superclass_method
end
assert_passed(test_result)
assert supermod.public_methods.any? { |m| m.to_s == 'my_superclass_method' }
assert !mod.public_methods(false).any? { |m| m.to_s == 'my_superclass_method' }
assert_equal :original_return_value, supermod.my_superclass_method
end
def test_should_be_able_to_stub_method_if_ruby18_public_methods_include_method_but_method_does_not_actually_exist_like_active_record_association_proxy
ruby18_mod = Module.new do
class << self
def public_methods(include_superclass = true)
['my_module_method']
end
end
end
test_result = run_test do
ruby18_mod.stubs(:my_module_method).returns(:new_return_value)
assert_equal :new_return_value, ruby18_mod.my_module_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_actually_exist_like_active_record_association_proxy
ruby19_mod = Module.new do
class << self
def public_methods(include_superclass = true)
[:my_module_method]
end
end
end
test_result = run_test do
ruby19_mod.stubs(:my_module_method).returns(:new_return_value)
assert_equal :new_return_value, ruby19_mod.my_module_method
end
assert_passed(test_result)
end
def test_should_be_able_to_stub_method_if_ruby_18_protected_methods_include_method_but_method_does_not_actually_exist_like_active_record_association_proxy
ruby18_mod = Module.new do
class << self
def protected_methods(include_superclass = true)
['my_module_method']
end
end
end
test_result = run_test do
ruby18_mod.stubs(:my_module_method).returns(:new_return_value)
assert_equal :new_return_value, ruby18_mod.my_module_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_actually_exist_like_active_record_association_proxy
ruby19_mod = Module.new do
class << self
def protected_methods(include_superclass = true)
[:my_module_method]
end
end
end
test_result = run_test do
ruby19_mod.stubs(:my_module_method).returns(:new_return_value)
assert_equal :new_return_value, ruby19_mod.my_module_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_actually_exist_like_active_record_association_proxy
ruby18_mod = Module.new do
class << self
def private_methods(include_superclass = true)
['my_module_method']
end
end
end
test_result = run_test do
ruby18_mod.stubs(:my_module_method).returns(:new_return_value)
assert_equal :new_return_value, ruby18_mod.my_module_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_actually_exist_like_active_record_association_proxy
ruby19_mod = Module.new do
class << self
def private_methods(include_superclass = true)
[:my_module_method]
end
end
end
test_result = run_test do
ruby19_mod.stubs(:my_module_method).returns(:new_return_value)
assert_equal :new_return_value, ruby19_mod.my_module_method
end
assert_passed(test_result)
end
end
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