swh:1:snp:a72e953ecd624a7df6e6196bbdd05851996c5e40
Tip revision: 3097c40e99d5bf21ec968921445fd4aae0756637 authored by Tim Besard on 30 June 2016, 21:29:28 UTC
WIP: GC poisoning for tags.
WIP: GC poisoning for tags.
Tip revision: 3097c40
spawn.jl
# This file is a part of Julia. License is MIT: http://julialang.org/license
##################################
# Cross Plaform tests for spawn. #
##################################
valgrind_off = ccall(:jl_running_on_valgrind, Cint, ()) == 0
yes = `perl -le 'while (1) {print STDOUT "y"}'`
echo = `echo`
sortcmd = `sort`
printf = `printf`
truecmd = `true`
falsecmd = `false`
catcmd = `cat`
shcmd = `sh`
sleepcmd = `sleep`
if is_windows()
try # use busybox-w32 on windows
success(`busybox`)
yes = `busybox yes`
echo = `busybox echo`
sortcmd = `busybox sort`
printf = `busybox printf`
truecmd = `busybox true`
falsecmd = `busybox false`
catcmd = `busybox cat`
shcmd = `busybox sh`
sleepcmd = `busybox sleep`
end
end
#### Examples used in the manual ####
@test readstring(`$echo hello | sort`) == "hello | sort\n"
@test readstring(pipeline(`$echo hello`, sortcmd)) == "hello\n"
@test length(spawn(pipeline(`$echo hello`, sortcmd)).processes) == 2
out = readstring(`$echo hello` & `$echo world`)
@test search(out,"world") != 0:-1
@test search(out,"hello") != 0:-1
@test readstring(pipeline(`$echo hello` & `$echo world`, sortcmd)) == "hello\nworld\n"
@test (run(`$printf " \033[34m[stdio passthrough ok]\033[0m\n"`); true)
# Test for SIGPIPE being treated as normal termination (throws an error if broken)
is_unix() && run(pipeline(yes, `head`, DevNull))
begin
a = Base.Condition()
@schedule begin
p = spawn(pipeline(yes,DevNull))
Base.notify(a,p)
@test !success(p)
end
p = wait(a)
kill(p)
end
if valgrind_off
# If --trace-children=yes is passed to valgrind, valgrind will
# exit here with an error code, and no UVError will be raised.
@test_throws Base.UVError run(`foo_is_not_a_valid_command`)
end
if is_unix()
prefixer(prefix, sleep) = `perl -nle '$|=1; print "'$prefix' ", $_; sleep '$sleep';'`
@test success(pipeline(`perl -le '$|=1; for(0..2){ print; sleep 1 }'`,
prefixer("A",2) & prefixer("B",2)))
@test success(pipeline(`perl -le '$|=1; for(0..2){ print; sleep 1 }'`,
prefixer("X",3) & prefixer("Y",3) & prefixer("Z",3),
prefixer("A",2) & prefixer("B",2)))
end
@test success(truecmd)
@test !success(falsecmd)
@test success(pipeline(truecmd, truecmd))
@test_broken success(ignorestatus(falsecmd))
@test_broken success(pipeline(ignorestatus(falsecmd), truecmd))
@test !success(pipeline(ignorestatus(falsecmd), falsecmd))
@test !success(ignorestatus(falsecmd) & falsecmd)
@test_broken success(ignorestatus(pipeline(falsecmd, falsecmd)))
@test_broken success(ignorestatus(falsecmd & falsecmd))
# STDIN Redirection
file = tempname()
run(pipeline(`$echo hello world`, file))
@test readstring(pipeline(file, catcmd)) == "hello world\n"
@test open(readstring, pipeline(file, catcmd), "r") == "hello world\n"
rm(file)
# Stream Redirection
if !is_windows() # WINNT reports operation not supported on socket (ENOTSUP) for this test
local r = Channel(1), port, server, sock, client
@async begin
port, server = listenany(2326)
put!(r, port)
client = accept(server)
@test readstring(pipeline(client, catcmd)) == "hello world\n"
close(server)
end
@async begin
sock = connect(fetch(r))
run(pipeline(`$echo hello world`, sock))
close(sock)
end
end
@test readstring(setenv(`$shcmd -c "echo \$TEST"`,["TEST=Hello World"])) == "Hello World\n"
@test readstring(setenv(`$shcmd -c "echo \$TEST"`,Dict("TEST"=>"Hello World"))) == "Hello World\n"
@test readstring(setenv(`$shcmd -c "echo \$TEST"`,"TEST"=>"Hello World")) == "Hello World\n"
@test (withenv("TEST"=>"Hello World") do
readstring(`$shcmd -c "echo \$TEST"`); end) == "Hello World\n"
pathA = readchomp(setenv(`$shcmd -c "pwd -P"`;dir=".."))
pathB = readchomp(setenv(`$shcmd -c "cd .. && pwd -P"`))
if is_windows()
# on windows, sh returns posix-style paths that are not valid according to ispath
@test pathA == pathB
else
@test Base.samefile(pathA, pathB)
end
# Here we test that if we close a stream with pending writes, we don't lose the writes.
str = ""
for i=1:1000
str = "$str\n $(randstring(10))"
end
stdout, stdin, proc = readandwrite(`$catcmd -`)
write(stdin, str)
close(stdin)
str2 = readstring(stdout)
@test str2 == str
# This test hangs if the end of run walk across uv streams calls shutdown on a stream that is shutting down.
file = tempname()
open(pipeline(`$catcmd -`, file), "w") do io
write(io, str)
end
rm(file)
# issue #3373
# fixing up Conditions after interruptions
r = Channel(1)
t = @async begin
try
wait(r)
end
p = spawn(`$sleepcmd 1`); wait(p)
@test p.exitcode == 0
end
yield()
schedule(t, InterruptException(), error=true)
yield()
put!(r,11)
yield()
# Test marking of AsyncStream
r = Channel(1)
@async begin
port, server = listenany(2327)
put!(r, port)
client = accept(server)
write(client, "Hello, world!\n")
write(client, "Goodbye, world...\n")
close(server)
end
sock = connect(fetch(r))
mark(sock)
@test ismarked(sock)
@test readline(sock) == "Hello, world!\n"
@test readline(sock) == "Goodbye, world...\n"
@test reset(sock) == 0
@test !ismarked(sock)
mark(sock)
@test ismarked(sock)
@test readline(sock) == "Hello, world!\n"
unmark(sock)
@test !ismarked(sock)
@test_throws ArgumentError reset(sock)
@test !unmark(sock)
@test readline(sock) == "Goodbye, world...\n"
#@test eof(sock) ## doesn't work
close(sock)
# issue #4535
exename = Base.julia_cmd()
if valgrind_off
# If --trace-children=yes is passed to valgrind, we will get a
# valgrind banner here, not "Hello World\n".
@test readstring(pipeline(`$exename --startup-file=no -e 'println(STDERR,"Hello World")'`, stderr=catcmd)) == "Hello World\n"
out = Pipe()
proc = spawn(pipeline(`$exename --startup-file=no -e 'println(STDERR,"Hello World")'`, stderr = out))
close(out.in)
@test readstring(out) == "Hello World\n"
@test success(proc)
end
# issue #6310
@test readstring(pipeline(`$echo "2+2"`, `$exename --startup-file=no`)) == "4\n"
# issue #5904
@test run(pipeline(ignorestatus(falsecmd), truecmd)) === nothing
# issue #6010
# TODO: should create separate set of task tests
ducer = @async for i=1:100; produce(i); end
yield()
@test consume(ducer) == 1
@test consume(ducer) == 2
# redirect_*
OLD_STDOUT = STDOUT
fname = tempname()
f = open(fname,"w")
redirect_stdout(f)
println("Hello World")
redirect_stdout(OLD_STDOUT)
close(f)
@test "Hello World\n" == readstring(fname)
@test is(OLD_STDOUT,STDOUT)
rm(fname)
# Test that redirecting an IOStream does not crash the process
let fname = tempname()
cmd = """
# Overwrite libuv memory before freeing it, to make sure that a use after free
# triggers an assertion.
function thrash(handle::Ptr{Void})
# Kill the memory, but write a nice low value in the libuv type field to
# trigger the right code path
ccall(:memset,Ptr{Void},(Ptr{Void},Cint,Csize_t),handle,0xee,3*sizeof(Ptr{Void}))
unsafe_store!(convert(Ptr{Cint},handle+2*sizeof(Ptr{Void})),15)
nothing
end
OLD_STDERR = STDERR
redirect_stderr(open("$(escape_string(fname))","w"))
# Usually this would be done by GC. Do it manually, to make the failure
# case more reliable.
oldhandle = OLD_STDERR.handle
OLD_STDERR.status = Base.StatusClosing
OLD_STDERR.handle = C_NULL
ccall(:uv_close,Void,(Ptr{Void},Ptr{Void}),oldhandle,cfunction(thrash,Void,(Ptr{Void},)))
sleep(1)
import Base.zzzInvalidIdentifier
"""
try
(in,p) = open(pipeline(`$exename --startup-file=no`, stderr=STDERR), "w")
write(in,cmd)
close(in)
wait(p)
catch
error("IOStream redirect failed. Child stderr was \n$(readstring(fname))\n")
finally
rm(fname)
end
end
# issue #10994: libuv can't handle strings containing NUL
let bad = "bad\0name"
@test_throws ArgumentError run(`$bad`)
@test_throws ArgumentError run(`$echo $bad`)
@test_throws ArgumentError run(setenv(`$echo hello`, bad=>"good"))
@test_throws ArgumentError run(setenv(`$echo hello`, "good"=>bad))
end
# issue #12829
let out = Pipe(), echo = `$exename --startup-file=no -e 'print(STDOUT, " 1\t", readstring(STDIN))'`, ready = Condition()
@test_throws ArgumentError write(out, "not open error")
@async begin # spawn writer task
open(echo, "w", out) do in1
open(echo, "w", out) do in2
notify(ready)
write(in1, 'h')
write(in2, UInt8['w'])
println(in1, "ello")
write(in2, "orld\n")
end
end
show(out, out)
notify(ready)
@test isreadable(out)
@test iswritable(out)
close(out.in)
@test_throws ArgumentError write(out, "now closed error")
@test isreadable(out)
@test !iswritable(out)
@test isopen(out)
end
wait(ready) # wait for writer task to be ready before using `out`
@test nb_available(out) == 0
@test endswith(readuntil(out, '1'), '1')
@test Char(read(out, UInt8)) == '\t'
c = UInt8[0]
@test c == read!(out, c)
Base.wait_readnb(out, 1)
@test nb_available(out) > 0
ln1 = readline(out)
ln2 = readline(out)
desc = readstring(out)
@test !isreadable(out)
@test !iswritable(out)
@test !isopen(out)
@test nb_available(out) == 0
@test c == UInt8['w']
@test lstrip(ln2) == "1\thello\n"
@test ln1 == "orld\n"
@test isempty(read(out))
@test eof(out)
@test desc == "Pipe(open => active, 0 bytes waiting)"
end
# issue #8529
let fname = tempname()
write(fname, "test\n")
code = """
cmd = pipeline(`echo asdf`,`cat`)
if is_windows()
try
success(`busybox`)
cmd = pipeline(`busybox echo asdf`,`busybox cat`)
end
end
for line in eachline(STDIN)
run(cmd)
end
"""
@test success(pipeline(`$catcmd $fname`, `$exename -e $code`))
rm(fname)
end
# Ensure that quoting works
@test Base.shell_split("foo bar baz") == ["foo", "bar", "baz"]
@test Base.shell_split("foo\\ bar baz") == ["foo bar", "baz"]
@test Base.shell_split("'foo bar' baz") == ["foo bar", "baz"]
@test Base.shell_split("\"foo bar\" baz") == ["foo bar", "baz"]
# "Over quoted"
@test Base.shell_split("'foo\\ bar' baz") == ["foo\\ bar", "baz"]
@test Base.shell_split("\"foo\\ bar\" baz") == ["foo\\ bar", "baz"]
# Ensure that shell_split handles quoted spaces
let cmd = ["/Volumes/External HD/program", "-a"]
@test Base.shell_split("/Volumes/External\\ HD/program -a") == cmd
@test Base.shell_split("'/Volumes/External HD/program' -a") == cmd
@test Base.shell_split("\"/Volumes/External HD/program\" -a") == cmd
end
# Backticks should automatically quote where necessary
let cmd = ["foo bar", "baz"]
@test string(`$cmd`) == "`'foo bar' baz`"
end
@test Base.shell_split("\"\\\\\"") == ["\\"]
# issue #13616
@test_throws ErrorException collect(eachline(pipeline(`$catcmd _doesnt_exist__111_`, stderr=DevNull)))
# make sure windows_verbatim strips quotes
if is_windows()
readstring(`cmd.exe /c dir /b spawn.jl`) == readstring(Cmd(`cmd.exe /c dir /b "\"spawn.jl\""`, windows_verbatim=true))
end
# make sure Cmd is nestable
@test string(Cmd(Cmd(`ls`, detach=true))) == "`ls`"
# equality tests for Cmd
@test Base.Cmd(``) == Base.Cmd(``)
@test Base.Cmd(`lsof -i :9090`) == Base.Cmd(`lsof -i :9090`)
@test Base.Cmd(`$echo test`) == Base.Cmd(`$echo test`)
@test Base.Cmd(``) != Base.Cmd(`$echo test`)
@test Base.Cmd(``, ignorestatus=true) != Base.Cmd(``, ignorestatus=false)
@test Base.Cmd(``, dir="TESTS") != Base.Cmd(``, dir="TEST")
@test Base.Set([``, ``]) == Base.Set([``])
@test Set([``, echo]) != Set([``, ``])
@test Set([echo, ``, ``, echo]) == Set([echo, ``])
# equality tests for AndCmds
@test Base.AndCmds(`$echo abc`, `$echo def`) == Base.AndCmds(`$echo abc`, `$echo def`)
@test Base.AndCmds(`$echo abc`, `$echo def`) != Base.AndCmds(`$echo abc`, `$echo xyz`)
# tests for reducing over collection of Cmd
@test_throws ArgumentError reduce(&, Base.AbstractCmd[])
@test_throws ArgumentError reduce(&, Base.Cmd[])
@test reduce(&, [`$echo abc`, `$echo def`, `$echo hij`]) == `$echo abc` & `$echo def` & `$echo hij`