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
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
|
require File.join(File.expand_path(File.dirname(__FILE__)), "test_helper")
module AbstractController
module Testing
class ControllerWithCallbacks < AbstractController::Base
use AbstractController::Callbacks
end
class Callback1 < ControllerWithCallbacks
process_action_callback :before, :first
def first
@text = "Hello world"
end
def index
self.response_body = @text
end
end
class TestCallbacks < ActiveSupport::TestCase
test "basic callbacks work" do
result = Callback1.process(:index)
assert_equal "Hello world", result.response_obj[:body]
end
end
class Callback2 < ControllerWithCallbacks
before_filter :first
after_filter :second
around_filter :aroundz
def first
@text = "Hello world"
end
def second
@second = "Goodbye"
end
def aroundz
@aroundz = "FIRST"
yield
@aroundz << "SECOND"
end
def index
self.response_body = @text
end
end
class TestCallbacks < ActiveSupport::TestCase
test "before_filter works" do
result = Callback2.process(:index)
assert_equal "Hello world", result.response_obj[:body]
end
test "after_filter works" do
result = Callback2.process(:index)
assert_equal "Goodbye", result.instance_variable_get("@second")
end
test "around_filter works" do
result = Callback2.process(:index)
assert_equal "FIRSTSECOND", result.instance_variable_get("@aroundz")
end
end
class Callback3 < ControllerWithCallbacks
before_filter do |c|
c.instance_variable_set("@text", "Hello world")
end
after_filter do |c|
c.instance_variable_set("@second", "Goodbye")
end
def index
self.response_body = @text
end
end
class TestCallbacks < ActiveSupport::TestCase
test "before_filter works with procs" do
result = Callback3.process(:index)
assert_equal "Hello world", result.response_obj[:body]
end
test "after_filter works with procs" do
result = Callback3.process(:index)
assert_equal "Goodbye", result.instance_variable_get("@second")
end
end
class CallbacksWithConditions < ControllerWithCallbacks
before_filter :list, :only => :index
before_filter :authenticate, :except => :index
def index
self.response_body = @list.join(", ")
end
def sekrit_data
self.response_body = (@list + [@authenticated]).join(", ")
end
private
def list
@list = ["Hello", "World"]
end
def authenticate
@list = []
@authenticated = "true"
end
end
class TestCallbacks < ActiveSupport::TestCase
test "when :only is specified, a before filter is triggered on that action" do
result = CallbacksWithConditions.process(:index)
assert_equal "Hello, World", result.response_obj[:body]
end
test "when :only is specified, a before filter is not triggered on other actions" do
result = CallbacksWithConditions.process(:sekrit_data)
assert_equal "true", result.response_obj[:body]
end
test "when :except is specified, an after filter is not triggered on that action" do
result = CallbacksWithConditions.process(:index)
assert_nil result.instance_variable_get("@authenticated")
end
end
class CallbacksWithArrayConditions < ControllerWithCallbacks
before_filter :list, :only => [:index, :listy]
before_filter :authenticate, :except => [:index, :listy]
def index
self.response_body = @list.join(", ")
end
def sekrit_data
self.response_body = (@list + [@authenticated]).join(", ")
end
private
def list
@list = ["Hello", "World"]
end
def authenticate
@list = []
@authenticated = "true"
end
end
class TestCallbacks < ActiveSupport::TestCase
test "when :only is specified with an array, a before filter is triggered on that action" do
result = CallbacksWithArrayConditions.process(:index)
assert_equal "Hello, World", result.response_obj[:body]
end
test "when :only is specified with an array, a before filter is not triggered on other actions" do
result = CallbacksWithArrayConditions.process(:sekrit_data)
assert_equal "true", result.response_obj[:body]
end
test "when :except is specified with an array, an after filter is not triggered on that action" do
result = CallbacksWithArrayConditions.process(:index)
assert_nil result.instance_variable_get("@authenticated")
end
end
class ChangedConditions < Callback2
before_filter :first, :only => :index
def not_index
self.response_body = @text.to_s
end
end
class TestCallbacks < ActiveSupport::TestCase
test "when a callback is modified in a child with :only, it works for the :only action" do
result = ChangedConditions.process(:index)
assert_equal "Hello world", result.response_obj[:body]
end
test "when a callback is modified in a child with :only, it does not work for other actions" do
result = ChangedConditions.process(:not_index)
assert_equal "", result.response_obj[:body]
end
end
end
end
|
