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
|
# require 'abstract_unit'
require 'test/unit'
$:.unshift "#{File.dirname(__FILE__)}/../lib"
require 'active_support'
class Record
include ActiveSupport::Callbacks
define_callbacks :save
end
class AroundPerson < Record
attr_reader :history
save_callback :before, :nope, :if => :no
save_callback :before, :nope, :unless => :yes
save_callback :after, :tweedle
save_callback :before, "tweedle_dee"
save_callback :before, proc {|m| m.history << "yup" }
save_callback :before, :nope, :if => proc { false }
save_callback :before, :nope, :unless => proc { true }
save_callback :before, :yup, :if => proc { true }
save_callback :before, :yup, :unless => proc { false }
save_callback :around, :tweedle_dum
save_callback :around, :w0tyes, :if => :yes
save_callback :around, :w0tno, :if => :no
save_callback :around, :tweedle_deedle
def no; false; end
def yes; true; end
def nope
@history << "boom"
end
def yup
@history << "yup"
end
def w0tyes
@history << "w0tyes before"
yield
@history << "w0tyes after"
end
def w0tno
@history << "boom"
yield
end
def tweedle_dee
@history << "tweedle dee"
end
def tweedle_dum
@history << "tweedle dum pre"
yield
@history << "tweedle dum post"
end
def tweedle
@history << "tweedle"
end
def tweedle_deedle
@history << "tweedle deedle pre"
yield
@history << "tweedle deedle post"
end
def initialize
@history = []
end
def save
_run_save_callbacks do
@history << "running"
end
end
end
class Foo
include ActiveSupport::Callbacks
define_callbacks :save
end
class Bar < Foo
save_callback(:before) {|s| puts "Before" }
end
class Baz < Bar
save_callback(:after) {|s| puts "After"}
end
class Bat < Baz
def inside
_run_save_callbacks do
puts "Inside"
end
end
end
Bat.new.inside
# class AroundCallbacksTest < Test::Unit::TestCase
# def test_save_around
# around = AroundPerson.new
# around.save
# assert_equal [
# "tweedle dee",
# "yup", "yup", "yup",
# "tweedle dum pre",
# "w0tyes before",
# "tweedle deedle pre",
# "running",
# "tweedle deedle post",
# "w0tyes after",
# "tweedle dum post",
# "tweedle"
# ], around.history
# end
# end
|
