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require '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')
@gemlike_plugin_path = plugin_fixture_path('default/gemlike')
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 path is fine so nothing is raised
assert_nothing_raised do
plugin = plugin_for(@gemlike_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
def test_should_only_be_loaded_once
plugin = plugin_for(@valid_plugin_path)
assert !plugin.loaded?
plugin.expects(:evaluate_init_rb)
assert_nothing_raised do
plugin.send(:load, @initializer)
plugin.send(:load, @initializer)
end
assert plugin.loaded?
end
def test_should_make_about_yml_available_as_about_method_on_plugin
plugin = plugin_for(@valid_plugin_path)
assert_equal "Plugin Author", plugin.about['author']
assert_equal "1.0.0", plugin.about['version']
end
def test_should_return_empty_hash_for_about_if_about_yml_is_missing
assert_equal({}, plugin_for(about_yml_plugin_path('plugin_without_about_yaml')).about)
end
def test_should_return_empty_hash_for_about_if_about_yml_is_malformed
assert_equal({}, plugin_for(about_yml_plugin_path('bad_about_yml')).about)
end
private
def about_yml_plugin_path(name)
File.join(File.dirname(__FILE__), 'fixtures', 'about_yml_plugins', name)
end
def plugin_for(path)
Rails::Plugin.new(path)
end
end
end # uses_mocha
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