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
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
|
# frozen_string_literal: true
require "abstract_unit"
class ExecutorTest < ActiveSupport::TestCase
class DummyError < RuntimeError
end
def test_wrap_invokes_callbacks
called = []
executor.to_run { called << :run }
executor.to_complete { called << :complete }
executor.wrap do
called << :body
end
assert_equal [:run, :body, :complete], called
end
def test_callbacks_share_state
result = false
executor.to_run { @foo = true }
executor.to_complete { result = @foo }
executor.wrap {}
assert result
end
def test_separated_calls_invoke_callbacks
called = []
executor.to_run { called << :run }
executor.to_complete { called << :complete }
state = executor.run!
called << :body
state.complete!
assert_equal [:run, :body, :complete], called
end
def test_exceptions_unwind
called = []
executor.to_run { called << :run_1 }
executor.to_run { raise DummyError }
executor.to_run { called << :run_2 }
executor.to_complete { called << :complete }
assert_raises(DummyError) do
executor.wrap { called << :body }
end
assert_equal [:run_1, :complete], called
end
def test_avoids_double_wrapping
called = []
executor.to_run { called << :run }
executor.to_complete { called << :complete }
executor.wrap do
called << :early
executor.wrap do
called << :body
end
called << :late
end
assert_equal [:run, :early, :body, :late, :complete], called
end
def test_hooks_carry_state
supplied_state = :none
hook = Class.new do
define_method(:run) do
:some_state
end
define_method(:complete) do |state|
supplied_state = state
end
end.new
executor.register_hook(hook)
executor.wrap {}
assert_equal :some_state, supplied_state
end
def test_nil_state_is_sufficient
supplied_state = :none
hook = Class.new do
define_method(:run) do
nil
end
define_method(:complete) do |state|
supplied_state = state
end
end.new
executor.register_hook(hook)
executor.wrap {}
assert_nil supplied_state
end
def test_exception_skips_uninvoked_hook
supplied_state = :none
hook = Class.new do
define_method(:run) do
:some_state
end
define_method(:complete) do |state|
supplied_state = state
end
end.new
executor.to_run do
raise DummyError
end
executor.register_hook(hook)
assert_raises(DummyError) do
executor.wrap {}
end
assert_equal :none, supplied_state
end
def test_exception_unwinds_invoked_hook
supplied_state = :none
hook = Class.new do
define_method(:run) do
:some_state
end
define_method(:complete) do |state|
supplied_state = state
end
end.new
executor.register_hook(hook)
executor.to_run do
raise DummyError
end
assert_raises(DummyError) do
executor.wrap {}
end
assert_equal :some_state, supplied_state
end
def test_hook_insertion_order
invoked = []
supplied_state = []
hook_class = Class.new do
attr_accessor :letter
define_method(:initialize) do |letter|
self.letter = letter
end
define_method(:run) do
invoked << :"run_#{letter}"
:"state_#{letter}"
end
define_method(:complete) do |state|
invoked << :"complete_#{letter}"
supplied_state << state
end
end
executor.register_hook(hook_class.new(:a))
executor.register_hook(hook_class.new(:b))
executor.register_hook(hook_class.new(:c), outer: true)
executor.register_hook(hook_class.new(:d))
executor.wrap {}
assert_equal [:run_c, :run_a, :run_b, :run_d, :complete_a, :complete_b, :complete_d, :complete_c], invoked
assert_equal [:state_a, :state_b, :state_d, :state_c], supplied_state
end
def test_class_serial_is_unaffected
skip if !defined?(RubyVM)
hook = Class.new do
define_method(:run) do
nil
end
define_method(:complete) do |state|
nil
end
end.new
executor.register_hook(hook)
before = RubyVM.stat(:class_serial)
executor.wrap {}
executor.wrap {}
executor.wrap {}
after = RubyVM.stat(:class_serial)
assert_equal before, after
end
def test_separate_classes_can_wrap
other_executor = Class.new(ActiveSupport::Executor)
called = []
executor.to_run { called << :run }
executor.to_complete { called << :complete }
other_executor.to_run { called << :other_run }
other_executor.to_complete { called << :other_complete }
executor.wrap do
other_executor.wrap do
called << :body
end
end
assert_equal [:run, :other_run, :body, :other_complete, :complete], called
end
private
def executor
@executor ||= Class.new(ActiveSupport::Executor)
end
end
|
