diff options
Diffstat (limited to 'railties/test/plugin_test.rb')
| -rw-r--r-- | railties/test/plugin_test.rb | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/railties/test/plugin_test.rb b/railties/test/plugin_test.rb new file mode 100644 index 0000000000..a791e42ae8 --- /dev/null +++ b/railties/test/plugin_test.rb @@ -0,0 +1,130 @@ +require File.dirname(__FILE__) + '/plugin_test_helper' + +uses_mocha "Plugin Tests" do + + class PluginTest < Test::Unit::TestCase + + def setup + @initializer = Rails::Initializer.new(Rails::Configuration.new) + @valid_plugin_path = plugin_fixture_path('default/stubby') + @empty_plugin_path = plugin_fixture_path('default/empty') + end + + def test_should_determine_plugin_name_from_the_directory_of_the_plugin + assert_equal 'stubby', plugin_for(@valid_plugin_path).name + assert_equal 'empty', plugin_for(@empty_plugin_path).name + end + + def test_should_not_be_loaded_when_created + assert !plugin_for(@valid_plugin_path).loaded? + end + + def test_should_be_marked_as_loaded_when_load_is_called + plugin = plugin_for(@valid_plugin_path) + assert !plugin.loaded? + plugin.stubs(:evaluate_init_rb) + assert_nothing_raised do + plugin.send(:load, anything) + end + assert plugin.loaded? + end + + def test_should_determine_validity_of_given_path + # This is a plugin path, with a lib dir + assert plugin_for(@valid_plugin_path).valid? + # This just has an init.rb and no lib dir + assert plugin_for(plugin_fixture_path('default/plugin_with_no_lib_dir')).valid? + # This would be a plugin path, but the directory is empty + assert !plugin_for(plugin_fixture_path('default/empty')).valid? + # This is a non sense path + assert !plugin_for(plugin_fixture_path('default/this_directory_does_not_exist')).valid? + end + + def test_should_return_empty_array_for_load_paths_when_plugin_has_no_lib_directory + assert_equal [], plugin_for(plugin_fixture_path('default/plugin_with_no_lib_dir')).load_paths + end + + def test_should_return_array_with_lib_path_for_load_paths_when_plugin_has_a_lib_directory + expected_lib_dir = File.join(plugin_fixture_path('default/stubby'), 'lib') + assert_equal [expected_lib_dir], plugin_for(plugin_fixture_path('default/stubby')).load_paths + end + + def test_should_raise_a_load_error_when_trying_to_determine_the_load_paths_from_an_invalid_plugin + assert_nothing_raised do + plugin_for(@valid_plugin_path).load_paths + end + + assert_raises(LoadError) do + plugin_for(@empty_plugin_path).load_paths + end + + assert_raises(LoadError) do + plugin_for('this_is_not_a_plugin_directory').load_paths + end + end + + def test_should_raise_a_load_error_when_trying_to_load_an_invalid_plugin + # This path is fine so nothing is raised + assert_nothing_raised do + plugin = plugin_for(@valid_plugin_path) + plugin.stubs(:evaluate_init_rb) + plugin.send(:load, @initializer) + end + + # This is an empty path so it raises + assert_raises(LoadError) do + plugin = plugin_for(@empty_plugin_path) + plugin.stubs(:evaluate_init_rb) + plugin.send(:load, @initializer) + end + + assert_raises(LoadError) do + plugin = plugin_for('this_is_not_a_plugin_directory') + plugin.stubs(:evaluate_init_rb) + plugin.send(:load, @initializer) + end + end + + def test_should_raise_a_load_error_when_trying_to_access_load_paths_of_an_invalid_plugin + # This path is fine so nothing is raised + assert_nothing_raised do + plugin_for(@valid_plugin_path).load_paths + end + + # This is an empty path so it raises + assert_raises(LoadError) do + plugin_for(@empty_plugin_path).load_paths + end + + assert_raises(LoadError) do + plugin_for('this_is_not_a_plugin_directory').load_paths + end + end + + def test_loading_a_plugin_gives_the_init_file_access_to_all_it_needs + failure_tip = "Perhaps someone has written another test that loads this same plugin and therefore makes the StubbyMixin constant defined already." + assert !defined?(StubbyMixin), failure_tip + plugin = plugin_for(@valid_plugin_path) + plugin.load_paths.each { |path| $LOAD_PATH.unshift(path) } + # The init.rb of this plugin raises if it doesn't have access to all the things it needs + assert_nothing_raised do + plugin.load(@initializer) + end + assert defined?(StubbyMixin) + end + + def test_should_sort_naturally_by_name + a = plugin_for("path/a") + b = plugin_for("path/b") + z = plugin_for("path/z") + assert_equal [a, b, z], [b, z, a].sort + end + + private + + def plugin_for(path) + Rails::Plugin.new(path) + end + end + +end # uses_mocha
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