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require 'test/unit'
require 'open3'
require_relative 'ruby/envutil'
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?
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 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_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
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