instiki/vendor/rails/railties/test/plugin_locator_test.rb

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require File.dirname(__FILE__) + '/plugin_test_helper'
uses_mocha "Plugin Locator Tests" do
class PluginLocatorTest < Test::Unit::TestCase
def test_should_require_subclasses_to_implement_the_plugins_method
assert_raises(RuntimeError) do
Rails::Plugin::Locator.new(nil).plugins
end
end
def test_should_iterator_over_plugins_returned_by_plugins_when_calling_each
locator = Rails::Plugin::Locator.new(nil)
locator.stubs(:plugins).returns([:a, :b, :c])
plugin_consumer = mock
plugin_consumer.expects(:consume).with(:a)
plugin_consumer.expects(:consume).with(:b)
plugin_consumer.expects(:consume).with(:c)
locator.each do |plugin|
plugin_consumer.consume(plugin)
end
end
end
class PluginFileSystemLocatorTest < Test::Unit::TestCase
def setup
@configuration = Rails::Configuration.new
# We need to add our testing plugin directory to the plugin paths so
# the locator knows where to look for our plugins
@configuration.plugin_paths << plugin_fixture_root_path
@initializer = Rails::Initializer.new(@configuration)
@locator = Rails::Plugin::FileSystemLocator.new(@initializer)
@valid_plugin_path = plugin_fixture_path('default/stubby')
@empty_plugin_path = plugin_fixture_path('default/empty')
end
def test_should_return_rails_plugin_instances_when_calling_create_plugin_with_a_valid_plugin_directory
assert_kind_of Rails::Plugin, @locator.send(:create_plugin, @valid_plugin_path)
end
def test_should_return_nil_when_calling_create_plugin_with_an_invalid_plugin_directory
assert_nil @locator.send(:create_plugin, @empty_plugin_path)
end
def test_should_return_all_plugins_found_under_the_set_plugin_paths
assert_equal ["a", "acts_as_chunky_bacon", "plugin_with_no_lib_dir", "stubby"], @locator.plugins.map(&:name)
end
def test_should_find_plugins_only_under_the_plugin_paths_set_in_configuration
@configuration.plugin_paths = [File.join(plugin_fixture_root_path, "default")]
assert_equal ["acts_as_chunky_bacon", "plugin_with_no_lib_dir", "stubby"], @locator.plugins.map(&:name)
@configuration.plugin_paths = [File.join(plugin_fixture_root_path, "alternate")]
assert_equal ["a"], @locator.plugins.map(&:name)
end
def test_should_not_raise_any_error_and_return_no_plugins_if_the_plugin_path_value_does_not_exist
@configuration.plugin_paths = ["some_missing_directory"]
assert_nothing_raised do
assert @locator.plugins.empty?
end
end
end
end # uses_mocha