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
|
# frozen_string_literal: true
require "abstract_unit"
class ExecutorTest < ActiveSupport::TestCase
class MyBody < Array
def initialize(&block)
@on_close = block
end
def foo
"foo"
end
def bar
"bar"
end
def close
@on_close.call if @on_close
end
end
def test_returned_body_object_always_responds_to_close
body = call_and_return_body
assert_respond_to body, :close
end
def test_returned_body_object_always_responds_to_close_even_if_called_twice
body = call_and_return_body
assert_respond_to body, :close
body.close
body = call_and_return_body
assert_respond_to body, :close
body.close
end
def test_returned_body_object_behaves_like_underlying_object
body = call_and_return_body do
b = MyBody.new
b << "hello"
b << "world"
[200, { "Content-Type" => "text/html" }, b]
end
assert_equal 2, body.size
assert_equal "hello", body[0]
assert_equal "world", body[1]
assert_equal "foo", body.foo
assert_equal "bar", body.bar
end
def test_it_calls_close_on_underlying_object_when_close_is_called_on_body
close_called = false
body = call_and_return_body do
b = MyBody.new do
close_called = true
end
[200, { "Content-Type" => "text/html" }, b]
end
body.close
assert close_called
end
def test_returned_body_object_responds_to_all_methods_supported_by_underlying_object
body = call_and_return_body do
[200, { "Content-Type" => "text/html" }, MyBody.new]
end
assert_respond_to body, :size
assert_respond_to body, :each
assert_respond_to body, :foo
assert_respond_to body, :bar
end
def test_run_callbacks_are_called_before_close
running = false
executor.to_run { running = true }
body = call_and_return_body
assert running
running = false
body.close
assert !running
end
def test_complete_callbacks_are_called_on_close
completed = false
executor.to_complete { completed = true }
body = call_and_return_body
assert !completed
body.close
assert completed
end
def test_complete_callbacks_are_called_on_exceptions
completed = false
executor.to_complete { completed = true }
begin
call_and_return_body do
raise "error"
end
rescue
end
assert completed
end
def test_callbacks_execute_in_shared_context
result = false
executor.to_run { @in_shared_context = true }
executor.to_complete { result = @in_shared_context }
call_and_return_body.close
assert result
assert !defined?(@in_shared_context) # it's not in the test itself
end
private
def call_and_return_body(&block)
app = middleware(block || proc { [200, {}, "response"] })
_, _, body = app.call("rack.input" => StringIO.new(""))
body
end
def middleware(inner_app)
ActionDispatch::Executor.new(inner_app, executor)
end
def executor
@executor ||= Class.new(ActiveSupport::Executor)
end
end
|
