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
|
require 'test/unit'
require 'tempfile'
require 'thread'
require_relative 'envutil'
class TestAutoload < Test::Unit::TestCase
def test_autoload_so
# Continuation is always available, unless excluded intentionally.
assert_in_out_err([], <<-INPUT, [], [])
autoload :Continuation, "continuation"
begin Continuation; rescue LoadError; end
INPUT
end
def test_non_realpath_in_loadpath
require 'tmpdir'
tmpdir = Dir.mktmpdir('autoload')
tmpdirs = [tmpdir]
tmpdirs.unshift(tmpdir + '/foo')
Dir.mkdir(tmpdirs[0])
tmpfiles = [tmpdir + '/foo.rb', tmpdir + '/foo/bar.rb']
open(tmpfiles[0] , 'w') do |f|
f.puts <<-INPUT
$:.unshift(File.expand_path('..', __FILE__)+'/./foo')
module Foo
autoload :Bar, 'bar'
end
p Foo::Bar
INPUT
end
open(tmpfiles[1], 'w') do |f|
f.puts 'class Foo::Bar; end'
end
assert_in_out_err([tmpfiles[0]], "", ["Foo::Bar"], [])
ensure
File.unlink(*tmpfiles) rescue nil if tmpfiles
tmpdirs.each {|dir| Dir.rmdir(dir)}
end
def test_autoload_p
bug4565 = '[ruby-core:35679]'
require 'tmpdir'
Dir.mktmpdir('autoload') {|tmpdir|
tmpfile = tmpdir + '/foo.rb'
a = Module.new do
autoload :X, tmpfile
end
b = Module.new do
include a
end
assert_equal(true, a.const_defined?(:X))
assert_equal(true, b.const_defined?(:X))
assert_equal(tmpfile, a.autoload?(:X), bug4565)
assert_equal(tmpfile, b.autoload?(:X), bug4565)
}
end
def test_require_explicit
file = Tempfile.open(['autoload', '.rb'])
file.puts 'class Object; AutoloadTest = 1; end'
file.close
add_autoload(file.path)
begin
assert_nothing_raised do
assert(require file.path)
assert_equal(1, ::AutoloadTest)
end
ensure
remove_autoload_constant
end
end
def test_threaded_accessing_constant
file = Tempfile.open(['autoload', '.rb'])
file.puts 'sleep 0.5; class AutoloadTest; X = 1; end'
file.close
add_autoload(file.path)
begin
assert_nothing_raised do
t1 = Thread.new { ::AutoloadTest::X }
t2 = Thread.new { ::AutoloadTest::X }
[t1, t2].each(&:join)
end
ensure
remove_autoload_constant
end
end
def test_threaded_accessing_inner_constant
file = Tempfile.open(['autoload', '.rb'])
file.puts 'class AutoloadTest; sleep 0.5; X = 1; end'
file.close
add_autoload(file.path)
begin
assert_nothing_raised do
t1 = Thread.new { ::AutoloadTest::X }
t2 = Thread.new { ::AutoloadTest::X }
[t1, t2].each(&:join)
end
ensure
remove_autoload_constant
end
end
def test_nameerror_when_autoload_did_not_define_the_constant
file = Tempfile.open(['autoload', '.rb'])
file.puts ''
file.close
add_autoload(file.path)
begin
assert_raise(NameError) do
AutoloadTest
end
ensure
remove_autoload_constant
end
end
def test_override_autoload
file = Tempfile.open(['autoload', '.rb'])
file.puts ''
file.close
add_autoload(file.path)
begin
eval %q(class AutoloadTest; end)
assert_equal(Class, AutoloadTest.class)
ensure
remove_autoload_constant
end
end
def test_override_while_autoloading
file = Tempfile.open(['autoload', '.rb'])
file.puts 'class AutoloadTest; sleep 0.5; end'
file.close
add_autoload(file.path)
begin
# while autoloading...
t = Thread.new { AutoloadTest }
sleep 0.1
# override it
EnvUtil.suppress_warning {
eval %q(AutoloadTest = 1)
}
t.join
assert_equal(1, AutoloadTest)
ensure
remove_autoload_constant
end
end
def add_autoload(path)
eval <<-END
class ::Object
autoload :AutoloadTest, #{path.dump}
end
END
end
def remove_autoload_constant
eval <<-END
class ::Object
remove_const(:AutoloadTest)
end
END
end
end
|
