vendor/rails/actionpack/test/controller/request/query_string_parsing_test.rb

   1 require 'abstract_unit'
   2
   3 class QueryStringParsingTest < ActionController::IntegrationTest
   4   class TestController < ActionController::Base
   5     class << self
   6       attr_accessor :last_query_parameters
   7     end
   8
   9     def parse
  10       self.class.last_query_parameters = request.query_parameters
  11       head :ok
  12     end
  13   end
  14
  15   def teardown
  16     TestController.last_query_parameters = nil
  17   end
  18
  19   test "query string" do
  20     assert_parses(
  21       {"action" => "create_customer", "full_name" => "David Heinemeier Hansson", "customerId" => "1"},
  22       "action=create_customer&full_name=David%20Heinemeier%20Hansson&customerId=1"
  23     )
  24   end
  25
  26   test "deep query string" do
  27     assert_parses(
  28       {'x' => {'y' => {'z' => '10'}}},
  29       "x[y][z]=10"
  30     )
  31   end
  32
  33   test "deep query string with array" do
  34     assert_parses({'x' => {'y' => {'z' => ['10']}}}, 'x[y][z][]=10')
  35     assert_parses({'x' => {'y' => {'z' => ['10', '5']}}}, 'x[y][z][]=10&x[y][z][]=5')
  36   end
  37
  38   test "deep query string with array of hash" do
  39     assert_parses({'x' => {'y' => [{'z' => '10'}]}}, 'x[y][][z]=10')
  40     assert_parses({'x' => {'y' => [{'z' => '10', 'w' => '10'}]}}, 'x[y][][z]=10&x[y][][w]=10')
  41     assert_parses({'x' => {'y' => [{'z' => '10', 'v' => {'w' => '10'}}]}}, 'x[y][][z]=10&x[y][][v][w]=10')
  42   end
  43
  44   test "deep query string with array of hashes with one pair" do
  45     assert_parses({'x' => {'y' => [{'z' => '10'}, {'z' => '20'}]}}, 'x[y][][z]=10&x[y][][z]=20')
  46   end
  47
  48   test "deep query string with array of hashes with multiple pairs" do
  49     assert_parses(
  50       {'x' => {'y' => [{'z' => '10', 'w' => 'a'}, {'z' => '20', 'w' => 'b'}]}},
  51       'x[y][][z]=10&x[y][][w]=a&x[y][][z]=20&x[y][][w]=b'
  52     )
  53   end
  54
  55   test "query string with nil" do
  56     assert_parses(
  57       { "action" => "create_customer", "full_name" => ''},
  58       "action=create_customer&full_name="
  59     )
  60   end
  61
  62   test "query string with array" do
  63     assert_parses(
  64       { "action" => "create_customer", "selected" => ["1", "2", "3"]},
  65       "action=create_customer&selected[]=1&selected[]=2&selected[]=3"
  66     )
  67   end
  68
  69   test "query string with amps" do
  70     assert_parses(
  71       { "action" => "create_customer", "name" => "Don't & Does"},
  72       "action=create_customer&name=Don%27t+%26+Does"
  73     )
  74   end
  75
  76   test "query string with many equal" do
  77     assert_parses(
  78       { "action" => "create_customer", "full_name" => "abc=def=ghi"},
  79       "action=create_customer&full_name=abc=def=ghi"
  80     )
  81   end
  82
  83   test "query string without equal" do
  84     assert_parses({ "action" => nil }, "action")
  85   end
  86
  87   test "query string with empty key" do
  88     assert_parses(
  89       { "action" => "create_customer", "full_name" => "David Heinemeier Hansson" },
  90       "action=create_customer&full_name=David%20Heinemeier%20Hansson&=Save"
  91     )
  92   end
  93
  94   test "query string with many ampersands" do
  95     assert_parses(
  96       { "action" => "create_customer", "full_name" => "David Heinemeier Hansson"},
  97       "&action=create_customer&&&full_name=David%20Heinemeier%20Hansson"
  98     )
  99   end
 100
 101   test "unbalanced query string with array" do
 102     assert_parses(
 103       {'location' => ["1", "2"], 'age_group' => ["2"]},
 104       "location[]=1&location[]=2&age_group[]=2"
 105     )
 106   end
 107
 108   private
 109     def assert_parses(expected, actual)
 110       with_routing do |set|
 111         set.draw do |map|
 112           map.connect ':action', :controller => "query_string_parsing_test/test"
 113         end
 114
 115         get "/parse", actual
 116         assert_response :ok
 117         assert_equal(expected, TestController.last_query_parameters)
 118       end
 119     end
 120 end