aboutsummaryrefslogtreecommitdiffstats
path: root/actionpack/test/dispatch/request/url_encoded_params_parsing_test.rb
blob: 7167cdafacbd9d7859bff651caa33c93053c6f33 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
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 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

  private
    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