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
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
|
require 'test/unit'
require 'open3'
class TestOpen3 < Test::Unit::TestCase
RUBY = EnvUtil.rubybin
def test_exit_status
Open3.popen3(RUBY, '-e', 'exit true') {|i,o,e,t|
assert_equal(true, t.value.success?)
}
Open3.popen3(RUBY, '-e', 'exit false') {|i,o,e,t|
assert_equal(false, t.value.success?)
}
end
def test_stdin
Open3.popen3(RUBY, '-e', 'exit STDIN.gets.chomp == "t"') {|i,o,e,t|
i.puts 't'
assert_equal(true, t.value.success?)
}
Open3.popen3(RUBY, '-e', 'exit STDIN.gets.chomp == "t"') {|i,o,e,t|
i.puts 'f'
assert_equal(false, t.value.success?)
}
end
def test_stdout
Open3.popen3(RUBY, '-e', 'STDOUT.print "foo"') {|i,o,e,t|
assert_equal("foo", o.read)
}
end
def test_stderr
Open3.popen3(RUBY, '-e', 'STDERR.print "bar"') {|i,o,e,t|
assert_equal("bar", e.read)
}
end
def test_block
r = Open3.popen3(RUBY, '-e', 'STDOUT.print STDIN.read') {|i,o,e,t|
i.print "baz"
i.close
assert_equal("baz", o.read)
"qux"
}
assert_equal("qux", r)
end
def test_noblock
i,o,e,t = Open3.popen3(RUBY, '-e', 'STDOUT.print STDIN.read')
i.print "baz"
i.close
assert_equal("baz", o.read)
ensure
i.close if !i.closed?
o.close if !o.closed?
e.close if !e.closed?
t.join
end
def test_commandline
commandline = "echo quux\n"
Open3.popen3(commandline) {|i,o,e,t|
assert_equal("quux\n", o.read)
}
end
def test_pid
Open3.popen3(RUBY, '-e', 'print $$') {|i,o,e,t|
pid = o.read.to_i
assert_equal(pid, t[:pid])
assert_equal(pid, t.pid)
}
end
def test_env
result = Open3.popen3({'A' => 'B', 'C' => 'D'}, RUBY, '-e' 'p ENV["A"]') do |i, out, err, thr|
output = out.read
assert_equal("\"B\"\n", output)
end
end
def with_pipe
r, w = IO.pipe
yield r, w
ensure
r.close if !r.closed?
w.close if !w.closed?
end
def with_reopen(io, arg)
old = io.dup
io.reopen(arg)
yield old
ensure
io.reopen(old)
old.close if old && !old.closed?
end
def test_popen2
with_pipe {|r, w|
with_reopen(STDERR, w) {|old|
w.close
Open3.popen2(RUBY, '-e', 's=STDIN.read; STDOUT.print s+"o"; STDERR.print s+"e"') {|i,o,t|
assert_kind_of(Thread, t)
i.print "z"
i.close
STDERR.reopen(old)
assert_equal("zo", o.read)
assert_equal("ze", r.read)
}
}
}
end
def test_popen2e
with_pipe {|r, w|
with_reopen(STDERR, w) {|old|
w.close
Open3.popen2e(RUBY, '-e', 's=STDIN.read; STDOUT.print s+"o"; STDOUT.flush; STDERR.print s+"e"') {|i,o,t|
assert_kind_of(Thread, t)
i.print "y"
i.close
STDERR.reopen(old)
assert_equal("yoye", o.read)
assert_equal("", r.read)
}
}
}
end
def test_capture3
o, e, s = Open3.capture3(RUBY, '-e', 'i=STDIN.read; print i+"o"; STDOUT.flush; STDERR.print i+"e"', :stdin_data=>"i")
assert_equal("io", o)
assert_equal("ie", e)
assert(s.success?)
end
def test_capture3_flip
o, e, s = Open3.capture3(RUBY, '-e', 'STDOUT.sync=true; 1000.times { print "o"*1000; STDERR.print "e"*1000 }')
assert_equal("o"*1000000, o)
assert_equal("e"*1000000, e)
assert(s.success?)
end
def test_capture2
o, s = Open3.capture2(RUBY, '-e', 'i=STDIN.read; print i+"o"', :stdin_data=>"i")
assert_equal("io", o)
assert(s.success?)
end
def test_capture2e
oe, s = Open3.capture2e(RUBY, '-e', 'i=STDIN.read; print i+"o"; STDOUT.flush; STDERR.print i+"e"', :stdin_data=>"i")
assert_equal("ioie", oe)
assert(s.success?)
end
def test_capture3_stdin_data
o, e, s = Open3.capture3(RUBY, '-e', '', :stdin_data=>"z"*(1024*1024))
assert_equal("", o)
assert_equal("", e)
assert(s.success?)
end
def test_capture2_stdin_data
o, s = Open3.capture2(RUBY, '-e', '', :stdin_data=>"z"*(1024*1024))
assert_equal("", o)
assert(s.success?)
end
def test_capture2e_stdin_data
oe, s = Open3.capture2e(RUBY, '-e', '', :stdin_data=>"z"*(1024*1024))
assert_equal("", oe)
assert(s.success?)
end
def test_pipeline_rw
Open3.pipeline_rw([RUBY, '-e', 'print STDIN.read + "1"'],
[RUBY, '-e', 'print STDIN.read + "2"']) {|i,o,ts|
assert_kind_of(IO, i)
assert_kind_of(IO, o)
assert_kind_of(Array, ts)
assert_equal(2, ts.length)
ts.each {|t| assert_kind_of(Thread, t) }
i.print "0"
i.close
assert_equal("012", o.read)
ts.each {|t|
assert(t.value.success?)
}
}
end
def test_pipeline_r
Open3.pipeline_r([RUBY, '-e', 'print "1"'],
[RUBY, '-e', 'print STDIN.read + "2"']) {|o,ts|
assert_kind_of(IO, o)
assert_kind_of(Array, ts)
assert_equal(2, ts.length)
ts.each {|t| assert_kind_of(Thread, t) }
assert_equal("12", o.read)
ts.each {|t|
assert(t.value.success?)
}
}
end
def test_pipeline_w
command = [RUBY, '-e', 's=STDIN.read; print s[1..-1]; exit s[0] == ?t']
str = 'ttftff'
Open3.pipeline_w(*[command]*str.length) {|i,ts|
assert_kind_of(IO, i)
assert_kind_of(Array, ts)
assert_equal(str.length, ts.length)
ts.each {|t| assert_kind_of(Thread, t) }
i.print str
i.close
ts.each_with_index {|t, ii|
assert_equal(str[ii] == ?t, t.value.success?)
}
}
end
def test_pipeline_start
command = [RUBY, '-e', 's=STDIN.read; print s[1..-1]; exit s[0] == ?t']
str = 'ttftff'
Open3.pipeline_start([RUBY, '-e', 'print ARGV[0]', str],
*([command]*str.length)) {|ts|
assert_kind_of(Array, ts)
assert_equal(str.length+1, ts.length)
ts.each {|t| assert_kind_of(Thread, t) }
ts.each_with_index {|t, i|
if i == 0
assert(t.value.success?)
else
assert_equal(str[i-1] == ?t, t.value.success?)
end
}
}
end
def test_pipeline_start_noblock
ts = Open3.pipeline_start([RUBY, '-e', ''])
assert_kind_of(Array, ts)
assert_equal(1, ts.length)
ts.each {|t| assert_kind_of(Thread, t) }
t = ts[0]
assert(t.value.success?)
end
def test_pipeline
command = [RUBY, '-e', 's=STDIN.read; print s[1..-1]; exit s[0] == ?t']
str = 'ttftff'
ss = Open3.pipeline([RUBY, '-e', 'print ARGV[0]', str],
*([command]*str.length))
assert_kind_of(Array, ss)
assert_equal(str.length+1, ss.length)
ss.each {|s| assert_kind_of(Process::Status, s) }
ss.each_with_index {|s, i|
if i == 0
assert(s.success?)
else
assert_equal(str[i-1] == ?t, s.success?)
end
}
end
end
|
