aboutsummaryrefslogtreecommitdiffstats
path: root/actionpack/test/dispatch/request/json_params_parsing_test.rb
blob: d77341bc64adad9b7c8e86988316748943799667 (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
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
require 'abstract_unit'

class JsonParamsParsingTest < ActionDispatch::IntegrationTest
  class TestController < ActionController::Base
    class << self
      attr_accessor :last_request_parameters
    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 json params for application json" do
    assert_parses(
      {"person" => {"name" => "David"}},
      "{\"person\": {\"name\": \"David\"}}", { 'CONTENT_TYPE' => 'application/json' }
    )
  end

  test "parses boolean and number json params for application json" do
    assert_parses(
      {"item" => {"enabled" => false, "count" => 10}},
      "{\"item\": {\"enabled\": false, \"count\": 10}}", { 'CONTENT_TYPE' => 'application/json' }
    )
  end

  test "parses json params for application jsonrequest" do
    assert_parses(
      {"person" => {"name" => "David"}},
      "{\"person\": {\"name\": \"David\"}}", { 'CONTENT_TYPE' => 'application/jsonrequest' }
    )
  end

  test "nils are stripped from collections" do
    assert_parses(
      {"person" => []},
      "{\"person\":[null]}", { 'CONTENT_TYPE' => 'application/json' }
    )
    assert_parses(
      {"person" => ['foo']},
      "{\"person\":[\"foo\",null]}", { 'CONTENT_TYPE' => 'application/json' }
    )
    assert_parses(
      {"person" => []},
      "{\"person\":[null, null]}", { 'CONTENT_TYPE' => 'application/json' }
    )
  end

  test "logs error if parsing unsuccessful" do
    with_test_routing do
      output = StringIO.new
      json = "[\"person]\": {\"name\": \"David\"}}"
      post "/parse", params: json, headers: { 'CONTENT_TYPE' => 'application/json', 'action_dispatch.show_exceptions' => true, 'action_dispatch.logger' => ActiveSupport::Logger.new(output) }
      assert_response :bad_request
      output.rewind && err = output.read
      assert err =~ /Error occurred while parsing request parameters/
    end
  end

  test "occurring a parse error if parsing unsuccessful" do
    with_test_routing do
      begin
        $stderr = StringIO.new # suppress the log
        json = "[\"person]\": {\"name\": \"David\"}}"
        exception = assert_raise(ActionDispatch::ParamsParser::ParseError) { post "/parse", json, {'CONTENT_TYPE' => 'application/json', 'action_dispatch.show_exceptions' => false} }
        assert_equal JSON::ParserError, exception.original_exception.class
        assert_equal exception.original_exception.message, exception.message
      ensure
        $stderr = STDERR
      end
    end
  end

  test 'raw_post is not empty for JSON request' do
    with_test_routing do
      post '/parse', params: '{"posts": [{"title": "Post Title"}]}', headers: { 'CONTENT_TYPE' => 'application/json' }
      assert_equal '{"posts": [{"title": "Post Title"}]}', request.raw_post
    end
  end

  private
    def assert_parses(expected, actual, headers = {})
      with_test_routing do
        post "/parse", params: actual, headers: headers
        assert_response :ok
        assert_equal(expected, TestController.last_request_parameters)
      end
    end

    def with_test_routing
      with_routing do |set|
        set.draw do
          post ':action', :to => ::JsonParamsParsingTest::TestController
        end
        yield
      end
    end
end

class RootLessJSONParamsParsingTest < ActionDispatch::IntegrationTest
  class UsersController < ActionController::Base
    wrap_parameters :format => :json

    class << self
      attr_accessor :last_request_parameters, :last_parameters
    end

    def parse
      self.class.last_request_parameters = request.request_parameters
      self.class.last_parameters = params
      head :ok
    end
  end

  def teardown
    UsersController.last_request_parameters = nil
  end

  test "parses json params for application json" do
    assert_parses(
      {"user" => {"username" => "sikachu"}, "username" => "sikachu"},
      "{\"username\": \"sikachu\"}", { 'CONTENT_TYPE' => 'application/json' }
    )
  end

  test "parses json params for application jsonrequest" do
    assert_parses(
      {"user" => {"username" => "sikachu"}, "username" => "sikachu"},
      "{\"username\": \"sikachu\"}", { 'CONTENT_TYPE' => 'application/jsonrequest' }
    )
  end

  test "parses json with non-object JSON content" do
    assert_parses(
      {"user" => {"_json" => "string content" }, "_json" => "string content" },
      "\"string content\"", { 'CONTENT_TYPE' => 'application/json' }
    )
  end

  private
    def assert_parses(expected, actual, headers = {})
      with_test_routing(UsersController) do
        post "/parse", params: actual, headers: headers
        assert_response :ok
        assert_equal(expected, UsersController.last_request_parameters)
        assert_equal(expected.merge({"action" => "parse"}), UsersController.last_parameters)
      end
    end

    def with_test_routing(controller)
      with_routing do |set|
        set.draw do
          post ':action', :to => controller
        end
        yield
      end
    end
end