require "utils"
require 'capistrano'
class ExtensionsTest < Test::Unit::TestCase
module CustomExtension
def do_something(command)
run(command)
end
end
def setup
@config = Capistrano::Configuration.new
end
def teardown
Capistrano::EXTENSIONS.keys.each { |e| Capistrano.remove_plugin(e) }
end
def test_register_plugin_should_add_instance_method_on_configuration_and_return_true
assert !@config.respond_to?(:custom_stuff)
assert Capistrano.plugin(:custom_stuff, CustomExtension)
assert @config.respond_to?(:custom_stuff)
end
def test_register_plugin_that_already_exists_should_return_false
assert Capistrano.plugin(:custom_stuff, CustomExtension)
assert !Capistrano.plugin(:custom_stuff, CustomExtension)
end
def test_register_plugin_with_public_method_name_should_fail
method = Capistrano::Configuration.public_instance_methods.first
assert_not_nil method, "need a public instance method for testing"
assert_raises(Capistrano::Error) { Capistrano.plugin(method, CustomExtension) }
end
def test_register_plugin_with_protected_method_name_should_fail
method = Capistrano::Configuration.protected_instance_methods.first
assert_not_nil method, "need a protected instance method for testing"
assert_raises(Capistrano::Error) { Capistrano.plugin(method, CustomExtension) }
end
def test_register_plugin_with_private_method_name_should_fail
method = Capistrano::Configuration.private_instance_methods.first
assert_not_nil method, "need a private instance method for testing"
assert_raises(Capistrano::Error) { Capistrano.plugin(method, CustomExtension) }
end
def test_unregister_plugin_that_does_not_exist_should_return_false
assert !Capistrano.remove_plugin(:custom_stuff)
end
def test_unregister_plugin_should_remove_method_and_return_true
assert Capistrano.plugin(:custom_stuff, CustomExtension)
assert @config.respond_to?(:custom_stuff)
assert Capistrano.remove_plugin(:custom_stuff)
assert !@config.respond_to?(:custom_stuff)
end
def test_registered_plugin_proxy_should_return_proxy_object
Capistrano.plugin(:custom_stuff, CustomExtension)
assert_instance_of Capistrano::ExtensionProxy, @config.custom_stuff
end
def test_proxy_object_should_delegate_to_configuration
Capistrano.plugin(:custom_stuff, CustomExtension)
@config.expects(:run).with("hello")
@config.custom_stuff.do_something("hello")
end
end
