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
|
require File.dirname(__FILE__) + '/../abstract_unit'
class TestController < ActionController::Base
attr_accessor :delegate_attr
def delegate_method() end
def rescue_action(e) raise end
end
module Fun
class GamesController < ActionController::Base
def render_hello_world
render :inline => "hello: <%= stratego %>"
end
def rescue_action(e) raise end
end
end
module LocalAbcHelper
def a() end
def b() end
def c() end
end
class HelperTest < Test::Unit::TestCase
def setup
# Increment symbol counter.
@symbol = (@@counter ||= 'A0').succ!.dup
# Generate new controller class.
controller_class_name = "Helper#{@symbol}Controller"
eval("class #{controller_class_name} < TestController; end")
@controller_class = self.class.const_get(controller_class_name)
# Generate new template class and assign to controller.
template_class_name = "Test#{@symbol}View"
eval("class #{template_class_name} < ActionView::Base; end")
@template_class = self.class.const_get(template_class_name)
@controller_class.template_class = @template_class
# Set default test helper.
self.test_helper = LocalAbcHelper
end
def teardown
# Reset template class.
#ActionController::Base.template_class = ActionView::Base
end
def test_deprecated_helper
assert_equal expected_helper_methods, missing_methods
assert_nothing_raised { @controller_class.helper TestHelper }
assert_equal [], missing_methods
end
def test_declare_helper
require 'abc_helper'
self.test_helper = AbcHelper
assert_equal expected_helper_methods, missing_methods
assert_nothing_raised { @controller_class.helper :abc }
assert_equal [], missing_methods
end
def test_declare_missing_helper
assert_equal expected_helper_methods, missing_methods
assert_raise(MissingSourceFile) { @controller_class.helper :missing }
end
def test_declare_missing_file_from_helper
require 'broken_helper'
rescue LoadError => e
assert_nil /\bbroken_helper\b/.match(e.to_s)[1]
end
def test_helper_block
assert_nothing_raised {
@controller_class.helper { def block_helper_method; end }
}
assert master_helper_methods.include?('block_helper_method')
end
def test_helper_block_include
assert_equal expected_helper_methods, missing_methods
assert_nothing_raised {
@controller_class.helper { include TestHelper }
}
assert [], missing_methods
end
def test_helper_method
assert_nothing_raised { @controller_class.helper_method :delegate_method }
assert master_helper_methods.include?('delegate_method')
end
def test_helper_attr
assert_nothing_raised { @controller_class.helper_attr :delegate_attr }
assert master_helper_methods.include?('delegate_attr')
assert master_helper_methods.include?('delegate_attr=')
end
def test_helper_for_nested_controller
@request = ActionController::TestRequest.new
@response = ActionController::TestResponse.new
@request.action = "render_hello_world"
assert_equal "hello: Iz guuut!", Fun::GamesController.process(@request, @response).body
end
private
def expected_helper_methods
TestHelper.instance_methods
end
def master_helper_methods
@controller_class.master_helper_module.instance_methods
end
def missing_methods
expected_helper_methods - master_helper_methods
end
def test_helper=(helper_module)
old_verbose, $VERBOSE = $VERBOSE, nil
self.class.const_set('TestHelper', helper_module)
$VERBOSE = old_verbose
end
end
class IsolatedHelpersTest < Test::Unit::TestCase
class A < ActionController::Base
def index
render :inline => '<%= shout %>'
end
def rescue_action(e) raise end
end
class B < A
helper { def shout; 'B' end }
def index
render :inline => '<%= shout %>'
end
end
class C < A
helper { def shout; 'C' end }
def index
render :inline => '<%= shout %>'
end
end
def setup
@request = ActionController::TestRequest.new
@response = ActionController::TestResponse.new
@request.action = 'index'
end
def test_helper_in_a
assert_raise(NameError) { A.process(@request, @response) }
end
def test_helper_in_b
assert_equal 'B', B.process(@request, @response).body
end
def test_helper_in_c
assert_equal 'C', C.process(@request, @response).body
end
end
|
