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Diffstat (limited to 'actionpack/test/journey/router_test.rb')
| -rw-r--r-- | actionpack/test/journey/router_test.rb | 575 |
1 files changed, 575 insertions, 0 deletions
diff --git a/actionpack/test/journey/router_test.rb b/actionpack/test/journey/router_test.rb new file mode 100644 index 0000000000..1b64600ba8 --- /dev/null +++ b/actionpack/test/journey/router_test.rb @@ -0,0 +1,575 @@ +# encoding: UTF-8 +require 'abstract_unit' + +module ActionDispatch + module Journey + class TestRouter < MiniTest::Unit::TestCase + attr_reader :routes + + def setup + @routes = Routes.new + @router = Router.new(@routes, {}) + @formatter = Formatter.new(@routes) + end + + def test_request_class_reader + klass = Object.new + router = Router.new(routes, :request_class => klass) + assert_equal klass, router.request_class + end + + class FakeRequestFeeler < Struct.new(:env, :called) + def new env + self.env = env + self + end + + def hello + self.called = true + 'world' + end + + def path_info; env['PATH_INFO']; end + def request_method; env['REQUEST_METHOD']; end + def ip; env['REMOTE_ADDR']; end + end + + def test_dashes + router = Router.new(routes, {}) + + exp = Router::Strexp.new '/foo-bar-baz', {}, ['/.?'] + path = Path::Pattern.new exp + + routes.add_route nil, path, {}, {:id => nil}, {} + + env = rails_env 'PATH_INFO' => '/foo-bar-baz' + called = false + router.recognize(env) do |r, _, params| + called = true + end + assert called + end + + def test_unicode + router = Router.new(routes, {}) + + #match the escaped version of /ほげ + exp = Router::Strexp.new '/%E3%81%BB%E3%81%92', {}, ['/.?'] + path = Path::Pattern.new exp + + routes.add_route nil, path, {}, {:id => nil}, {} + + env = rails_env 'PATH_INFO' => '/%E3%81%BB%E3%81%92' + called = false + router.recognize(env) do |r, _, params| + called = true + end + assert called + end + + def test_request_class_and_requirements_success + klass = FakeRequestFeeler.new nil + router = Router.new(routes, {:request_class => klass }) + + requirements = { :hello => /world/ } + + exp = Router::Strexp.new '/foo(/:id)', {}, ['/.?'] + path = Path::Pattern.new exp + + routes.add_route nil, path, requirements, {:id => nil}, {} + + env = rails_env 'PATH_INFO' => '/foo/10' + router.recognize(env) do |r, _, params| + assert_equal({:id => '10'}, params) + end + + assert klass.called, 'hello should have been called' + assert_equal env.env, klass.env + end + + def test_request_class_and_requirements_fail + klass = FakeRequestFeeler.new nil + router = Router.new(routes, {:request_class => klass }) + + requirements = { :hello => /mom/ } + + exp = Router::Strexp.new '/foo(/:id)', {}, ['/.?'] + path = Path::Pattern.new exp + + router.routes.add_route nil, path, requirements, {:id => nil}, {} + + env = rails_env 'PATH_INFO' => '/foo/10' + router.recognize(env) do |r, _, params| + flunk 'route should not be found' + end + + assert klass.called, 'hello should have been called' + assert_equal env.env, klass.env + end + + class CustomPathRequest < Router::NullReq + def path_info + env['custom.path_info'] + end + end + + def test_request_class_overrides_path_info + router = Router.new(routes, {:request_class => CustomPathRequest }) + + exp = Router::Strexp.new '/bar', {}, ['/.?'] + path = Path::Pattern.new exp + + routes.add_route nil, path, {}, {}, {} + + env = rails_env 'PATH_INFO' => '/foo', 'custom.path_info' => '/bar' + + recognized = false + router.recognize(env) do |r, _, params| + recognized = true + end + + assert recognized, "route should have been recognized" + end + + def test_regexp_first_precedence + add_routes @router, [ + Router::Strexp.new("/whois/:domain", {:domain => /\w+\.[\w\.]+/}, ['/', '.', '?']), + Router::Strexp.new("/whois/:id(.:format)", {}, ['/', '.', '?']) + ] + + env = rails_env 'PATH_INFO' => '/whois/example.com' + + list = [] + @router.recognize(env) do |r, _, params| + list << r + end + assert_equal 2, list.length + + r = list.first + + assert_equal '/whois/:domain', r.path.spec.to_s + end + + def test_required_parts_verified_are_anchored + add_routes @router, [ + Router::Strexp.new("/foo/:id", { :id => /\d/ }, ['/', '.', '?'], false) + ] + + assert_raises(Router::RoutingError) do + @formatter.generate(:path_info, nil, { :id => '10' }, { }) + end + end + + def test_required_parts_are_verified_when_building + add_routes @router, [ + Router::Strexp.new("/foo/:id", { :id => /\d+/ }, ['/', '.', '?'], false) + ] + + path, _ = @formatter.generate(:path_info, nil, { :id => '10' }, { }) + assert_equal '/foo/10', path + + assert_raises(Router::RoutingError) do + @formatter.generate(:path_info, nil, { :id => 'aa' }, { }) + end + end + + def test_only_required_parts_are_verified + add_routes @router, [ + Router::Strexp.new("/foo(/:id)", {:id => /\d/}, ['/', '.', '?'], false) + ] + + path, _ = @formatter.generate(:path_info, nil, { :id => '10' }, { }) + assert_equal '/foo/10', path + + path, _ = @formatter.generate(:path_info, nil, { }, { }) + assert_equal '/foo', path + + path, _ = @formatter.generate(:path_info, nil, { :id => 'aa' }, { }) + assert_equal '/foo/aa', path + end + + def test_knows_what_parts_are_missing_from_named_route + route_name = "gorby_thunderhorse" + pattern = Router::Strexp.new("/foo/:id", { :id => /\d+/ }, ['/', '.', '?'], false) + path = Path::Pattern.new pattern + @router.routes.add_route nil, path, {}, {}, route_name + + error = assert_raises(Router::RoutingError) do + @formatter.generate(:path_info, route_name, { }, { }) + end + + assert_match(/required keys: \[:id\]/, error.message) + end + + def test_X_Cascade + add_routes @router, [ "/messages(.:format)" ] + resp = @router.call({ 'REQUEST_METHOD' => 'GET', 'PATH_INFO' => '/lol' }) + assert_equal ['Not Found'], resp.last + assert_equal 'pass', resp[1]['X-Cascade'] + assert_equal 404, resp.first + end + + def test_clear_trailing_slash_from_script_name_on_root_unanchored_routes + strexp = Router::Strexp.new("/", {}, ['/', '.', '?'], false) + path = Path::Pattern.new strexp + app = lambda { |env| [200, {}, ['success!']] } + @router.routes.add_route(app, path, {}, {}, {}) + + env = rack_env('SCRIPT_NAME' => '', 'PATH_INFO' => '/weblog') + resp = @router.call(env) + assert_equal ['success!'], resp.last + assert_equal '', env['SCRIPT_NAME'] + end + + def test_defaults_merge_correctly + path = Path::Pattern.new '/foo(/:id)' + @router.routes.add_route nil, path, {}, {:id => nil}, {} + + env = rails_env 'PATH_INFO' => '/foo/10' + @router.recognize(env) do |r, _, params| + assert_equal({:id => '10'}, params) + end + + env = rails_env 'PATH_INFO' => '/foo' + @router.recognize(env) do |r, _, params| + assert_equal({:id => nil}, params) + end + end + + def test_recognize_with_unbound_regexp + add_routes @router, [ + Router::Strexp.new("/foo", { }, ['/', '.', '?'], false) + ] + + env = rails_env 'PATH_INFO' => '/foo/bar' + + @router.recognize(env) { |*_| } + + assert_equal '/foo', env.env['SCRIPT_NAME'] + assert_equal '/bar', env.env['PATH_INFO'] + end + + def test_bound_regexp_keeps_path_info + add_routes @router, [ + Router::Strexp.new("/foo", { }, ['/', '.', '?'], true) + ] + + env = rails_env 'PATH_INFO' => '/foo' + + before = env.env['SCRIPT_NAME'] + + @router.recognize(env) { |*_| } + + assert_equal before, env.env['SCRIPT_NAME'] + assert_equal '/foo', env.env['PATH_INFO'] + end + + def test_path_not_found + add_routes @router, [ + "/messages(.:format)", + "/messages/new(.:format)", + "/messages/:id/edit(.:format)", + "/messages/:id(.:format)" + ] + env = rails_env 'PATH_INFO' => '/messages/unknown/path' + yielded = false + + @router.recognize(env) do |*whatever| + yielded = true + end + refute yielded + end + + def test_required_part_in_recall + add_routes @router, [ "/messages/:a/:b" ] + + path, _ = @formatter.generate(:path_info, nil, { :a => 'a' }, { :b => 'b' }) + assert_equal "/messages/a/b", path + end + + def test_splat_in_recall + add_routes @router, [ "/*path" ] + + path, _ = @formatter.generate(:path_info, nil, { }, { :path => 'b' }) + assert_equal "/b", path + end + + def test_recall_should_be_used_when_scoring + add_routes @router, [ + "/messages/:action(/:id(.:format))", + "/messages/:id(.:format)" + ] + + path, _ = @formatter.generate(:path_info, nil, { :id => 10 }, { :action => 'index' }) + assert_equal "/messages/index/10", path + end + + def test_nil_path_parts_are_ignored + path = Path::Pattern.new "/:controller(/:action(.:format))" + @router.routes.add_route nil, path, {}, {}, {} + + params = { :controller => "tasks", :format => nil } + extras = { :action => 'lol' } + + path, _ = @formatter.generate(:path_info, nil, params, extras) + assert_equal '/tasks', path + end + + def test_generate_slash + params = [ [:controller, "tasks"], + [:action, "show"] ] + str = Router::Strexp.new("/", Hash[params], ['/', '.', '?'], true) + path = Path::Pattern.new str + + @router.routes.add_route nil, path, {}, {}, {} + + path, _ = @formatter.generate(:path_info, nil, Hash[params], {}) + assert_equal '/', path + end + + def test_generate_calls_param_proc + path = Path::Pattern.new '/:controller(/:action)' + @router.routes.add_route nil, path, {}, {}, {} + + parameterized = [] + params = [ [:controller, "tasks"], + [:action, "show"] ] + + @formatter.generate( + :path_info, + nil, + Hash[params], + {}, + lambda { |k,v| parameterized << [k,v]; v }) + + assert_equal params.map(&:to_s).sort, parameterized.map(&:to_s).sort + end + + def test_generate_id + path = Path::Pattern.new '/:controller(/:action)' + @router.routes.add_route nil, path, {}, {}, {} + + path, params = @formatter.generate( + :path_info, nil, {:id=>1, :controller=>"tasks", :action=>"show"}, {}) + assert_equal '/tasks/show', path + assert_equal({:id => 1}, params) + end + + def test_generate_escapes + path = Path::Pattern.new '/:controller(/:action)' + @router.routes.add_route nil, path, {}, {}, {} + + path, _ = @formatter.generate(:path_info, + nil, { :controller => "tasks", + :action => "a/b c+d", + }, {}) + assert_equal '/tasks/a/b%20c+d', path + end + + def test_generate_extra_params + path = Path::Pattern.new '/:controller(/:action)' + @router.routes.add_route nil, path, {}, {}, {} + + path, params = @formatter.generate(:path_info, + nil, { :id => 1, + :controller => "tasks", + :action => "show", + :relative_url_root => nil + }, {}) + assert_equal '/tasks/show', path + assert_equal({:id => 1, :relative_url_root => nil}, params) + end + + def test_generate_uses_recall_if_needed + path = Path::Pattern.new '/:controller(/:action(/:id))' + @router.routes.add_route nil, path, {}, {}, {} + + path, params = @formatter.generate(:path_info, + nil, + {:controller =>"tasks", :id => 10}, + {:action =>"index"}) + assert_equal '/tasks/index/10', path + assert_equal({}, params) + end + + def test_generate_with_name + path = Path::Pattern.new '/:controller(/:action)' + @router.routes.add_route nil, path, {}, {}, {} + + path, params = @formatter.generate(:path_info, + "tasks", + {:controller=>"tasks"}, + {:controller=>"tasks", :action=>"index"}) + assert_equal '/tasks', path + assert_equal({}, params) + end + + { + '/content' => { :controller => 'content' }, + '/content/list' => { :controller => 'content', :action => 'list' }, + '/content/show/10' => { :controller => 'content', :action => 'show', :id => "10" }, + }.each do |request_path, expected| + define_method("test_recognize_#{expected.keys.map(&:to_s).join('_')}") do + path = Path::Pattern.new "/:controller(/:action(/:id))" + app = Object.new + route = @router.routes.add_route(app, path, {}, {}, {}) + + env = rails_env 'PATH_INFO' => request_path + called = false + + @router.recognize(env) do |r, _, params| + assert_equal route, r + assert_equal(expected, params) + called = true + end + + assert called + end + end + + { + :segment => ['/a%2Fb%20c+d/splat', { :segment => 'a/b c+d', :splat => 'splat' }], + :splat => ['/segment/a/b%20c+d', { :segment => 'segment', :splat => 'a/b c+d' }] + }.each do |name, (request_path, expected)| + define_method("test_recognize_#{name}") do + path = Path::Pattern.new '/:segment/*splat' + app = Object.new + route = @router.routes.add_route(app, path, {}, {}, {}) + + env = rails_env 'PATH_INFO' => request_path + called = false + + @router.recognize(env) do |r, _, params| + assert_equal route, r + assert_equal(expected, params) + called = true + end + + assert called + end + end + + def test_namespaced_controller + strexp = Router::Strexp.new( + "/:controller(/:action(/:id))", + { :controller => /.+?/ }, + ["/", ".", "?"] + ) + path = Path::Pattern.new strexp + app = Object.new + route = @router.routes.add_route(app, path, {}, {}, {}) + + env = rails_env 'PATH_INFO' => '/admin/users/show/10' + called = false + expected = { + :controller => 'admin/users', + :action => 'show', + :id => '10' + } + + @router.recognize(env) do |r, _, params| + assert_equal route, r + assert_equal(expected, params) + called = true + end + assert called + end + + def test_recognize_literal + path = Path::Pattern.new "/books(/:action(.:format))" + app = Object.new + route = @router.routes.add_route(app, path, {}, {:controller => 'books'}) + + env = rails_env 'PATH_INFO' => '/books/list.rss' + expected = { :controller => 'books', :action => 'list', :format => 'rss' } + called = false + @router.recognize(env) do |r, _, params| + assert_equal route, r + assert_equal(expected, params) + called = true + end + + assert called + end + + def test_recognize_head_request_as_get_route + path = Path::Pattern.new "/books(/:action(.:format))" + app = Object.new + conditions = { + :request_method => 'GET' + } + @router.routes.add_route(app, path, conditions, {}) + + env = rails_env 'PATH_INFO' => '/books/list.rss', + "REQUEST_METHOD" => "HEAD" + + called = false + @router.recognize(env) do |r, _, params| + called = true + end + + assert called + end + + def test_recognize_cares_about_verbs + path = Path::Pattern.new "/books(/:action(.:format))" + app = Object.new + conditions = { + :request_method => 'GET' + } + @router.routes.add_route(app, path, conditions, {}) + + conditions = conditions.dup + conditions[:request_method] = 'POST' + + post = @router.routes.add_route(app, path, conditions, {}) + + env = rails_env 'PATH_INFO' => '/books/list.rss', + "REQUEST_METHOD" => "POST" + + called = false + @router.recognize(env) do |r, _, params| + assert_equal post, r + called = true + end + + assert called + end + + private + + def add_routes router, paths + paths.each do |path| + path = Path::Pattern.new path + router.routes.add_route nil, path, {}, {}, {} + end + end + + RailsEnv = Struct.new(:env) + + def rails_env env + RailsEnv.new rack_env env + end + + def rack_env env + { + "rack.version" => [1, 1], + "rack.input" => StringIO.new, + "rack.errors" => StringIO.new, + "rack.multithread" => true, + "rack.multiprocess" => true, + "rack.run_once" => false, + "REQUEST_METHOD" => "GET", + "SERVER_NAME" => "example.org", + "SERVER_PORT" => "80", + "QUERY_STRING" => "", + "PATH_INFO" => "/content", + "rack.url_scheme" => "http", + "HTTPS" => "off", + "SCRIPT_NAME" => "", + "CONTENT_LENGTH" => "0" + }.merge env + end + end + end +end |