1+ require 'test_helper'
2+ require 'pathname'
3+
4+ class RenderJsonTest < ActionController ::TestCase
5+ class JsonRenderable
6+ def as_json ( options = { } )
7+ hash = { :a => :b , :c => :d , :e => :f }
8+ hash . except! ( *options [ :except ] ) if options [ :except ]
9+ hash
10+ end
11+
12+ def to_json ( options = { } )
13+ super :except => [ :c , :e ]
14+ end
15+ end
16+
17+ class JsonSerializer
18+ def initialize ( object , scope )
19+ @object , @scope = object , scope
20+ end
21+
22+ def as_json ( *)
23+ { :object => @object . as_json , :scope => @scope . as_json }
24+ end
25+ end
26+
27+ class JsonSerializable
28+ def initialize ( skip = false )
29+ @skip = skip
30+ end
31+
32+ def active_model_serializer
33+ JsonSerializer unless @skip
34+ end
35+
36+ def as_json ( *)
37+ { :serializable_object => true }
38+ end
39+ end
40+
41+ class TestController < ActionController ::Base
42+ protect_from_forgery
43+
44+ serialization_scope :current_user
45+ attr_reader :current_user
46+
47+ def self . controller_path
48+ 'test'
49+ end
50+
51+ def render_json_nil
52+ render :json => nil
53+ end
54+
55+ def render_json_render_to_string
56+ render :text => render_to_string ( :json => '[]' )
57+ end
58+
59+ def render_json_hello_world
60+ render :json => ActiveSupport ::JSON . encode ( :hello => 'world' )
61+ end
62+
63+ def render_json_hello_world_with_status
64+ render :json => ActiveSupport ::JSON . encode ( :hello => 'world' ) , :status => 401
65+ end
66+
67+ def render_json_hello_world_with_callback
68+ render :json => ActiveSupport ::JSON . encode ( :hello => 'world' ) , :callback => 'alert'
69+ end
70+
71+ def render_json_with_custom_content_type
72+ render :json => ActiveSupport ::JSON . encode ( :hello => 'world' ) , :content_type => 'text/javascript'
73+ end
74+
75+ def render_symbol_json
76+ render :json => ActiveSupport ::JSON . encode ( :hello => 'world' )
77+ end
78+
79+ def render_json_with_extra_options
80+ render :json => JsonRenderable . new , :except => [ :c , :e ]
81+ end
82+
83+ def render_json_without_options
84+ render :json => JsonRenderable . new
85+ end
86+
87+ def render_json_with_serializer
88+ @current_user = Struct . new ( :as_json ) . new ( :current_user => true )
89+ render :json => JsonSerializable . new
90+ end
91+
92+ def render_json_with_serializer_api_but_without_serializer
93+ @current_user = Struct . new ( :as_json ) . new ( :current_user => true )
94+ render :json => JsonSerializable . new ( true )
95+ end
96+ end
97+
98+ tests TestController
99+
100+ def setup
101+ # enable a logger so that (e.g.) the benchmarking stuff runs, so we can get
102+ # a more accurate simulation of what happens in "real life".
103+ super
104+ @controller . logger = Logger . new ( nil )
105+
106+ @request . host = "www.nextangle.com"
107+ end
108+
109+ def test_render_json_nil
110+ get :render_json_nil
111+ assert_equal 'null' , @response . body
112+ assert_equal 'application/json' , @response . content_type
113+ end
114+
115+ def test_render_json_render_to_string
116+ get :render_json_render_to_string
117+ assert_equal '[]' , @response . body
118+ end
119+
120+
121+ def test_render_json
122+ get :render_json_hello_world
123+ assert_equal '{"hello":"world"}' , @response . body
124+ assert_equal 'application/json' , @response . content_type
125+ end
126+
127+ def test_render_json_with_status
128+ get :render_json_hello_world_with_status
129+ assert_equal '{"hello":"world"}' , @response . body
130+ assert_equal 401 , @response . status
131+ end
132+
133+ def test_render_json_with_callback
134+ get :render_json_hello_world_with_callback
135+ assert_equal 'alert({"hello":"world"})' , @response . body
136+ assert_equal 'application/json' , @response . content_type
137+ end
138+
139+ def test_render_json_with_custom_content_type
140+ get :render_json_with_custom_content_type
141+ assert_equal '{"hello":"world"}' , @response . body
142+ assert_equal 'text/javascript' , @response . content_type
143+ end
144+
145+ def test_render_symbol_json
146+ get :render_symbol_json
147+ assert_equal '{"hello":"world"}' , @response . body
148+ assert_equal 'application/json' , @response . content_type
149+ end
150+
151+ def test_render_json_forwards_extra_options
152+ get :render_json_with_extra_options
153+ assert_equal '{"a":"b"}' , @response . body
154+ assert_equal 'application/json' , @response . content_type
155+ end
156+
157+ def test_render_json_calls_to_json_from_object
158+ get :render_json_without_options
159+ assert_equal '{"a":"b"}' , @response . body
160+ end
161+
162+ def test_render_json_with_serializer
163+ get :render_json_with_serializer
164+ assert_match '"scope":{"current_user":true}' , @response . body
165+ assert_match '"object":{"serializable_object":true}' , @response . body
166+ end
167+
168+ def test_render_json_with_serializer_api_but_without_serializer
169+ get :render_json_with_serializer_api_but_without_serializer
170+ assert_match '{"serializable_object":true}' , @response . body
171+ end
172+ end
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