diff options
Diffstat (limited to 'actionpack/test/dispatch/request/url_encoded_params_parsing_test.rb')
| -rw-r--r-- | actionpack/test/dispatch/request/url_encoded_params_parsing_test.rb | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/actionpack/test/dispatch/request/url_encoded_params_parsing_test.rb b/actionpack/test/dispatch/request/url_encoded_params_parsing_test.rb new file mode 100644 index 0000000000..9f0535bbcc --- /dev/null +++ b/actionpack/test/dispatch/request/url_encoded_params_parsing_test.rb @@ -0,0 +1,220 @@ +require 'abstract_unit' + +class UrlEncodedParamsParsingTest < ActionController::IntegrationTest + class TestController < ActionController::Base + class << self + attr_accessor :last_request_parameters, :last_request_type + end + + def parse + self.class.last_request_parameters = request.request_parameters + head :ok + end + end + + def teardown + TestController.last_request_parameters = nil + end + + test "parses unbalanced query string with array" do + assert_parses( + {'location' => ["1", "2"], 'age_group' => ["2"]}, + "location[]=1&location[]=2&age_group[]=2" + ) + end + + test "parses nested hash" do + query = [ + "note[viewers][viewer][][type]=User", + "note[viewers][viewer][][id]=1", + "note[viewers][viewer][][type]=Group", + "note[viewers][viewer][][id]=2" + ].join("&") + + expected = { "note" => { "viewers"=>{"viewer"=>[{ "id"=>"1", "type"=>"User"}, {"type"=>"Group", "id"=>"2"} ]} } } + assert_parses(expected, query) + end + + test "parses more complex nesting" do + query = [ + "customers[boston][first][name]=David", + "customers[boston][first][url]=http://David", + "customers[boston][second][name]=Allan", + "customers[boston][second][url]=http://Allan", + "something_else=blah", + "something_nil=", + "something_empty=", + "products[first]=Apple Computer", + "products[second]=Pc", + "=Save" + ].join("&") + + expected = { + "customers" => { + "boston" => { + "first" => { + "name" => "David", + "url" => "http://David" + }, + "second" => { + "name" => "Allan", + "url" => "http://Allan" + } + } + }, + "something_else" => "blah", + "something_empty" => "", + "something_nil" => "", + "products" => { + "first" => "Apple Computer", + "second" => "Pc" + } + } + + assert_parses expected, query + end + + test "parses params with array" do + query = "selected[]=1&selected[]=2&selected[]=3" + expected = { "selected" => [ "1", "2", "3" ] } + assert_parses expected, query + end + + test "parses params with non alphanumeric name" do + query = "a/b[c]=d" + expected = { "a/b" => { "c" => "d" }} + assert_parses expected, query + end + + test "parses params with single brackets in the middle" do + query = "a/b[c]d=e" + expected = { "a/b" => {} } + assert_parses expected, query + end + + test "parses params with separated brackets" do + query = "a/b@[c]d[e]=f" + expected = { "a/b@" => { }} + assert_parses expected, query + end + + test "parses params with separated brackets and array" do + query = "a/b@[c]d[e][]=f" + expected = { "a/b@" => { }} + assert_parses expected, query + end + + test "parses params with unmatched brackets and array" do + query = "a/b@[c][d[e][]=f" + expected = { "a/b@" => { "c" => { }}} + assert_parses expected, query + end + + test "parses params with nil key" do + query = "=&test2=value1" + expected = { "test2" => "value1" } + assert_parses expected, query + end + + test "parses params with array prefix and hashes" do + query = "a[][b][c]=d" + expected = {"a" => [{"b" => {"c" => "d"}}]} + assert_parses expected, query + end + + test "parses params with complex nesting" do + query = "a[][b][c][][d][]=e" + expected = {"a" => [{"b" => {"c" => [{"d" => ["e"]}]}}]} + assert_parses expected, query + end + + test "parses params with file path" do + query = [ + "customers[boston][first][name]=David", + "something_else=blah", + "logo=#{File.expand_path(__FILE__)}" + ].join("&") + + expected = { + "customers" => { + "boston" => { + "first" => { + "name" => "David" + } + } + }, + "something_else" => "blah", + "logo" => File.expand_path(__FILE__), + } + + assert_parses expected, query + end + + test "parses params with Safari 2 trailing null character" do + query = "selected[]=1&selected[]=2&selected[]=3\0" + expected = { "selected" => [ "1", "2", "3" ] } + assert_parses expected, query + end + + test "parses params with Prototype's hack around Safari 2 trailing null character" do + query = "selected[]=1&selected[]=2&selected[]=3&_=" + expected = { "selected" => [ "1", "2", "3" ] } + assert_parses expected, query + end + + test "passes through rack middleware and parses params" do + with_muck_middleware do + assert_parses({ "a" => { "b" => "c" } }, "a[b]=c") + end + end + + # The lint wrapper is used in integration tests + # instead of a normal StringIO class + InputWrapper = Rack::Lint::InputWrapper + + test "passes through rack middleware and parses params with unwindable input" do + InputWrapper.any_instance.stubs(:rewind).raises(Errno::ESPIPE) + with_muck_middleware do + assert_parses({ "a" => { "b" => "c" } }, "a[b]=c") + end + end + + private + class MuckMiddleware + def initialize(app) + @app = app + end + + def call(env) + req = Rack::Request.new(env) + req.params # Parse params + @app.call(env) + end + end + + def with_muck_middleware + original_middleware = ActionController::Dispatcher.middleware + middleware = original_middleware.dup + middleware.insert_after ActionDispatch::RewindableInput, MuckMiddleware + ActionController::Dispatcher.middleware = middleware + yield + ActionController::Dispatcher.middleware = original_middleware + end + + def with_test_routing + with_routing do |set| + set.draw do |map| + map.connect ':action', :controller => "url_encoded_params_parsing_test/test" + end + yield + end + end + + def assert_parses(expected, actual) + with_test_routing do + post "/parse", actual + assert_response :ok + assert_equal(expected, TestController.last_request_parameters) + end + end +end |