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|
# Commands covered: exec
#
# This file contains a collection of tests for one or more of the Tcl built-in
# commands. Sourcing this file into Tcl runs the tests and generates output
# for errors. No output means no errors were found.
#
# Copyright (c) 1991-1994 The Regents of the University of California.
# Copyright (c) 1994-1997 Sun Microsystems, Inc.
# Copyright (c) 1998-1999 by Scriptics Corporation.
#
# See the file "license.terms" for information on usage and redistribution of
# this file, and for a DISCLAIMER OF ALL WARRANTIES.
package require tcltest 2
namespace import -force ::tcltest::*
# All tests require the "exec" command.
# Skip them if exec is not defined.
testConstraint exec [llength [info commands exec]]
unset -nocomplain path
# Utilities that are like bourne shell stalwarts, but cross-platform.
set path(echo) [makeFile {
puts -nonewline [lindex $argv 0]
foreach str [lrange $argv 1 end] {
puts -nonewline " $str"
}
puts {}
exit
} echo]
set path(echo2) [makeFile {
puts stdout [join $argv]
puts stderr [lindex $argv 1]
exit
} echo2]
set path(cat) [makeFile {
if {$argv eq ""} {
set argv -
}
fconfigure stdout -translation binary
foreach name $argv {
if {$name eq "-"} {
set f stdin
} elseif {[catch {open $name r} f] != 0} {
puts stderr $f
continue
}
fconfigure $f -translation binary
while {[eof $f] == 0} {
puts -nonewline [read $f]
}
if {$f ne "stdin"} {
close $f
}
}
exit
} cat]
set path(wc) [makeFile {
set data [read stdin]
set lines [regsub -all "\n" $data {} dummy]
set words [regsub -all "\[^ \t\n]+" $data {} dummy]
set chars [string length $data]
puts [format "%8.d%8.d%8.d" $lines $words $chars]
exit
} wc]
set path(sh) [makeFile {
if {[lindex $argv 0] ne "-c"} {
error "sh: unexpected arguments $argv"
}
set cmd [lindex $argv 1]
lappend cmd ";"
set newcmd {}
foreach arg $cmd {
if {$arg eq ";"} {
exec >@stdout 2>@stderr [info nameofexecutable] {*}$newcmd
set newcmd {}
continue
}
if {$arg eq "1>&2"} {
set arg >@stderr
}
lappend newcmd $arg
}
exit
} sh]
set path(sh2) [makeFile {
if {[lindex $argv 0] ne "-c"} {
error "sh: unexpected arguments $argv"
}
set cmd [lindex $argv 1]
lappend cmd ";"
set newcmd {}
foreach arg $cmd {
if {$arg eq ";"} {
exec -ignorestderr >@stdout [info nameofexecutable] {*}$newcmd
set newcmd {}
continue
}
lappend newcmd $arg
}
exit
} sh2]
set path(sleep) [makeFile {
after [expr $argv*1000]
exit
} sleep]
set path(exit) [makeFile {
exit $argv
} exit]
proc readfile filename {
set f [open $filename]
set d [read $f]
close $f
return [string trimright $d \n]
}
# ----------------------------------------------------------------------
# Basic operations.
test exec-1.1 {basic exec operation} {exec} {
exec [interpreter] $path(echo) a b c
} "a b c"
test exec-1.2 {pipelining} {exec stdio} {
exec [interpreter] $path(echo) a b c d | [interpreter] $path(cat) | [interpreter] $path(cat)
} "a b c d"
test exec-1.3 {pipelining} {exec stdio} {
set a [exec [interpreter] $path(echo) a b c d | [interpreter] $path(cat) | [interpreter] $path(wc)]
list [scan $a "%d %d %d" b c d] $b $c
} {3 1 4}
set arg {12345678901234567890123456789012345678901234567890}
set arg "$arg$arg$arg$arg$arg$arg"
test exec-1.4 {long command lines} {exec} {
exec [interpreter] $path(echo) $arg
} $arg
set arg {}
# I/O redirection: input from Tcl command.
test exec-2.1 {redirecting input from immediate source} {exec stdio} {
exec [interpreter] $path(cat) << "Sample text"
} {Sample text}
test exec-2.2 {redirecting input from immediate source} {exec stdio} {
exec << "Sample text" [interpreter] $path(cat) | [interpreter] $path(cat)
} {Sample text}
test exec-2.3 {redirecting input from immediate source} {exec stdio} {
exec [interpreter] $path(cat) << "Sample text" | [interpreter] $path(cat)
} {Sample text}
test exec-2.4 {redirecting input from immediate source} {exec stdio} {
exec [interpreter] $path(cat) | [interpreter] $path(cat) << "Sample text"
} {Sample text}
test exec-2.5 {redirecting input from immediate source} {exec} {
exec [interpreter] $path(cat) "<<Joined to arrows"
} {Joined to arrows}
test exec-2.6 {redirecting input from immediate source, with UTF} -setup {
set sysenc [encoding system]
encoding system iso8859-1
proc quotenonascii s {
regsub -all {\[|\\|\]} $s {\\&} s
regsub -all "\[\u007f-\uffff\]" $s \
{[apply {c {format {\u%04x} [scan $c %c]}} &]} s
return [subst -novariables $s]
}
} -constraints {exec} -body {
# If this fails, it may give back: "\uC3\uA9\uC3\uA0\uC3\uBC\uC3\uB1"
# If it does, this means that the UTF -> external conversion did not occur
# before writing out the temp file.
quotenonascii [exec [interpreter] $path(cat) << "\uE9\uE0\uFC\uF1"]
} -cleanup {
encoding system $sysenc
rename quotenonascii {}
} -result {\u00e9\u00e0\u00fc\u00f1}
# I/O redirection: output to file.
set path(gorp.file) [makeFile {} gorp.file]
file delete $path(gorp.file)
test exec-3.1 {redirecting output to file} {exec} {
exec [interpreter] $path(echo) "Some simple words" > $path(gorp.file)
exec [interpreter] $path(cat) $path(gorp.file)
} "Some simple words"
test exec-3.2 {redirecting output to file} {exec stdio} {
exec [interpreter] $path(echo) "More simple words" | >$path(gorp.file) [interpreter] $path(cat) | [interpreter] $path(cat)
exec [interpreter] $path(cat) $path(gorp.file)
} "More simple words"
test exec-3.3 {redirecting output to file} {exec stdio} {
exec > $path(gorp.file) [interpreter] $path(echo) "Different simple words" | [interpreter] $path(cat) | [interpreter] $path(cat)
exec [interpreter] $path(cat) $path(gorp.file)
} "Different simple words"
test exec-3.4 {redirecting output to file} {exec} {
exec [interpreter] $path(echo) "Some simple words" >$path(gorp.file)
exec [interpreter] $path(cat) $path(gorp.file)
} "Some simple words"
test exec-3.5 {redirecting output to file} {exec} {
exec [interpreter] $path(echo) "First line" >$path(gorp.file)
exec [interpreter] $path(echo) "Second line" >> $path(gorp.file)
exec [interpreter] $path(cat) $path(gorp.file)
} "First line\nSecond line"
test exec-3.6 {redirecting output to file} {exec} {
exec [interpreter] $path(echo) "First line" >$path(gorp.file)
exec [interpreter] $path(echo) "Second line" >>$path(gorp.file)
exec [interpreter] $path(cat) $path(gorp.file)
} "First line\nSecond line"
test exec-3.7 {redirecting output to file} {exec} {
set f [open $path(gorp.file) w]
puts $f "Line 1"
flush $f
exec [interpreter] $path(echo) "More text" >@ $f
exec [interpreter] $path(echo) >@$f "Even more"
puts $f "Line 3"
close $f
exec [interpreter] $path(cat) $path(gorp.file)
} "Line 1\nMore text\nEven more\nLine 3"
# I/O redirection: output and stderr to file.
file delete $path(gorp.file)
test exec-4.1 {redirecting output and stderr to file} {exec} {
exec [interpreter] $path(echo) "test output" >& $path(gorp.file)
exec [interpreter] $path(cat) $path(gorp.file)
} "test output"
test exec-4.2 {redirecting output and stderr to file} {exec} {
list [exec [interpreter] $path(sh) -c "\"$path(echo)\" foo bar 1>&2" >&$path(gorp.file)] \
[exec [interpreter] $path(cat) $path(gorp.file)]
} {{} {foo bar}}
test exec-4.3 {redirecting output and stderr to file} {exec} {
exec [interpreter] $path(echo) "first line" > $path(gorp.file)
list [exec [interpreter] $path(sh) -c "\"$path(echo)\" foo bar 1>&2" >>&$path(gorp.file)] \
[exec [interpreter] $path(cat) $path(gorp.file)]
} "{} {first line\nfoo bar}"
test exec-4.4 {redirecting output and stderr to file} {exec} {
set f [open $path(gorp.file) w]
puts $f "Line 1"
flush $f
exec [interpreter] $path(echo) "More text" >&@ $f
exec [interpreter] $path(echo) >&@$f "Even more"
puts $f "Line 3"
close $f
exec [interpreter] $path(cat) $path(gorp.file)
} "Line 1\nMore text\nEven more\nLine 3"
test exec-4.5 {redirecting output and stderr to file} {exec} {
set f [open $path(gorp.file) w]
puts $f "Line 1"
flush $f
exec >&@ $f [interpreter] $path(sh) -c "\"$path(echo)\" foo bar 1>&2"
exec >&@$f [interpreter] $path(sh) -c "\"$path(echo)\" xyzzy 1>&2"
puts $f "Line 3"
close $f
exec [interpreter] $path(cat) $path(gorp.file)
} "Line 1\nfoo bar\nxyzzy\nLine 3"
# I/O redirection: input from file.
if {[testConstraint exec]} {
exec [interpreter] $path(echo) "Just a few thoughts" > $path(gorp.file)
}
test exec-5.1 {redirecting input from file} {exec} {
exec [interpreter] $path(cat) < $path(gorp.file)
} {Just a few thoughts}
test exec-5.2 {redirecting input from file} {exec stdio} {
exec [interpreter] $path(cat) | [interpreter] $path(cat) < $path(gorp.file)
} {Just a few thoughts}
test exec-5.3 {redirecting input from file} {exec stdio} {
exec [interpreter] $path(cat) < $path(gorp.file) | [interpreter] $path(cat)
} {Just a few thoughts}
test exec-5.4 {redirecting input from file} {exec stdio} {
exec < $path(gorp.file) [interpreter] $path(cat) | [interpreter] $path(cat)
} {Just a few thoughts}
test exec-5.5 {redirecting input from file} {exec} {
exec [interpreter] $path(cat) <$path(gorp.file)
} {Just a few thoughts}
test exec-5.6 {redirecting input from file} -constraints {exec} -body {
set f [open $path(gorp.file) r]
exec [interpreter] $path(cat) <@ $f
} -cleanup {
close $f
} -result {Just a few thoughts}
test exec-5.7 {redirecting input from file} -constraints {exec} -body {
set f [open $path(gorp.file) r]
exec <@$f [interpreter] $path(cat)
} -cleanup {
close $f
} -result {Just a few thoughts}
# I/O redirection: standard error through a pipeline.
test exec-6.1 {redirecting stderr through a pipeline} {exec stdio} {
exec [interpreter] $path(sh) -c "\"$path(echo)\" foo bar" |& [interpreter] $path(cat)
} "foo bar"
test exec-6.2 {redirecting stderr through a pipeline} {exec stdio} {
exec [interpreter] $path(sh) -c "\"$path(echo)\" foo bar 1>&2" |& [interpreter] $path(cat)
} "foo bar"
test exec-6.3 {redirecting stderr through a pipeline} {exec stdio} {
exec [interpreter] $path(sh) -c "\"$path(echo)\" foo bar 1>&2" \
|& [interpreter] $path(sh) -c "\"$path(echo)\" second msg 1>&2 ; \"$path(cat)\"" |& [interpreter] $path(cat)
} "second msg\nfoo bar"
# I/O redirection: combinations.
set path(gorp.file2) [makeFile {} gorp.file2]
file delete $path(gorp.file2)
test exec-7.1 {multiple I/O redirections} {exec} {
exec << "command input" > $path(gorp.file2) [interpreter] $path(cat) < $path(gorp.file)
exec [interpreter] $path(cat) $path(gorp.file2)
} {Just a few thoughts}
test exec-7.2 {multiple I/O redirections} {exec} {
exec < $path(gorp.file) << "command input" [interpreter] $path(cat)
} {command input}
# Long input to command and output from command.
set a "0123456789 xxxxxxxxx abcdefghi ABCDEFGHIJK\n"
set a [concat $a $a $a $a]
set a [concat $a $a $a $a]
set a [concat $a $a $a $a]
set a [concat $a $a $a $a]
test exec-8.1 {long input and output} {exec} {
exec [interpreter] $path(cat) << $a
} $a
# More than 20 arguments to exec.
test exec-8.2 {long input and output} {exec} {
exec [interpreter] $path(echo) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
} {1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23}
# Commands that return errors.
test exec-9.1 {commands returning errors} {exec} {
set x [catch {exec gorp456} msg]
list $x [string tolower $msg] [string tolower $errorCode]
} {1 {couldn't execute "gorp456": no such file or directory} {posix enoent {no such file or directory}}}
test exec-9.2 {commands returning errors} {exec} {
string tolower [list [catch {exec [interpreter] echo foo | foo123} msg] $msg $errorCode]
} {1 {couldn't execute "foo123": no such file or directory} {posix enoent {no such file or directory}}}
test exec-9.3 {commands returning errors} -constraints {exec stdio} -body {
exec [interpreter] $path(sleep) 1 | [interpreter] $path(exit) 43 | [interpreter] $path(sleep) 1
} -returnCodes error -result {child process exited abnormally}
test exec-9.4 {commands returning errors} -constraints {exec stdio} -body {
exec [interpreter] $path(exit) 43 | [interpreter] $path(echo) "foo bar"
} -returnCodes error -result {foo bar
child process exited abnormally}
test exec-9.5 {commands returning errors} -constraints {exec stdio} -body {
exec gorp456 | [interpreter] echo a b c
} -returnCodes error -result {couldn't execute "gorp456": no such file or directory}
test exec-9.6 {commands returning errors} -constraints {exec} -body {
exec [interpreter] $path(sh) -c "\"$path(echo)\" error msg 1>&2"
} -returnCodes error -result {error msg}
test exec-9.7 {commands returning errors} -constraints {exec stdio nonPortable} -body {
# This test can fail easily on multiprocessor machines
exec [interpreter] $path(sh) -c "\"$path(echo)\" error msg 1>&2 ; \"$path(sleep)\" 1" \
| [interpreter] $path(sh) -c "\"$path(echo)\" error msg 1>&2 ; \"$path(sleep)\" 1"
} -returnCodes error -result {error msg
error msg}
set path(err) [makeFile {} err]
test exec-9.8 {commands returning errors} -constraints {exec} -setup {
set f [open $path(err) w]
puts $f {
puts stdout out
puts stderr err
}
close $f
} -body {
exec [interpreter] $path(err)
} -returnCodes error -result {out
err}
# Errors in executing the Tcl command, as opposed to errors in the processes
# that are invoked.
test exec-10.1 {errors in exec invocation} -constraints {exec} -body {
exec
} -returnCodes error -result {wrong # args: should be "exec ?-option ...? arg ?arg ...?"}
test exec-10.2 {errors in exec invocation} -constraints {exec} -body {
exec | cat
} -returnCodes error -result {illegal use of | or |& in command}
test exec-10.3 {errors in exec invocation} -constraints {exec} -body {
exec cat |
} -returnCodes error -result {illegal use of | or |& in command}
test exec-10.4 {errors in exec invocation} -constraints {exec} -body {
exec cat | | cat
} -returnCodes error -result {illegal use of | or |& in command}
test exec-10.5 {errors in exec invocation} -constraints {exec} -body {
exec cat | |& cat
} -returnCodes error -result {illegal use of | or |& in command}
test exec-10.6 {errors in exec invocation} -constraints {exec} -body {
exec cat |&
} -returnCodes error -result {illegal use of | or |& in command}
test exec-10.7 {errors in exec invocation} -constraints {exec} -body {
exec cat <
} -returnCodes error -result {can't specify "<" as last word in command}
test exec-10.8 {errors in exec invocation} -constraints {exec} -body {
exec cat >
} -returnCodes error -result {can't specify ">" as last word in command}
test exec-10.9 {errors in exec invocation} -constraints {exec} -body {
exec cat <<
} -returnCodes error -result {can't specify "<<" as last word in command}
test exec-10.10 {errors in exec invocation} -constraints {exec} -body {
exec cat >>
} -returnCodes error -result {can't specify ">>" as last word in command}
test exec-10.11 {errors in exec invocation} -constraints {exec} -body {
exec cat >&
} -returnCodes error -result {can't specify ">&" as last word in command}
test exec-10.12 {errors in exec invocation} -constraints {exec} -body {
exec cat >>&
} -returnCodes error -result {can't specify ">>&" as last word in command}
test exec-10.13 {errors in exec invocation} -constraints {exec} -body {
exec cat >@
} -returnCodes error -result {can't specify ">@" as last word in command}
test exec-10.14 {errors in exec invocation} -constraints {exec} -body {
exec cat <@
} -returnCodes error -result {can't specify "<@" as last word in command}
test exec-10.15 {errors in exec invocation} -constraints {exec} -body {
exec cat < a/b/c
} -returnCodes error -result {couldn't read file "a/b/c": no such file or directory}
test exec-10.16 {errors in exec invocation} -constraints {exec} -body {
exec cat << foo > a/b/c
} -returnCodes error -result {couldn't write file "a/b/c": no such file or directory}
test exec-10.17 {errors in exec invocation} -constraints {exec} -body {
exec cat << foo > a/b/c
} -returnCodes error -result {couldn't write file "a/b/c": no such file or directory}
set f [open $path(gorp.file) w]
test exec-10.18 {errors in exec invocation} -constraints {exec} -body {
exec cat <@ $f
} -returnCodes error -result "channel \"$f\" wasn't opened for reading"
close $f
set f [open $path(gorp.file) r]
test exec-10.19 {errors in exec invocation} -constraints {exec} -body {
exec cat >@ $f
} -returnCodes error -result "channel \"$f\" wasn't opened for writing"
close $f
test exec-10.20 {errors in exec invocation} -constraints {exec} -body {
exec ~non_existent_user/foo/bar
} -returnCodes error -result {user "non_existent_user" doesn't exist}
test exec-10.21 {errors in exec invocation} -constraints {exec} -body {
exec [interpreter] true | ~xyzzy_bad_user/x | false
} -returnCodes error -result {user "xyzzy_bad_user" doesn't exist}
test exec-10.22 {errors in exec invocation} -constraints exec -body {
exec echo test > ~non_existent_user/foo/bar
} -returnCodes error -result {user "non_existent_user" doesn't exist}
# Commands in background.
test exec-11.1 {commands in background} {exec} {
set time [time {exec [interpreter] $path(sleep) 2 &}]
expr {[lindex $time 0] < 1000000}
} 1
test exec-11.2 {commands in background} -constraints {exec} -body {
exec [interpreter] $path(echo) a &b
} -result {a &b}
test exec-11.3 {commands in background} {exec} {
llength [exec [interpreter] $path(sleep) 1 &]
} 1
test exec-11.4 {commands in background} {exec stdio} {
llength [exec [interpreter] $path(sleep) 1 | [interpreter] $path(sleep) 1 | [interpreter] $path(sleep) 1 &]
} 3
test exec-11.5 {commands in background} {exec} {
set f [open $path(gorp.file) w]
puts $f [list catch [list exec [info nameofexecutable] $path(echo) foo &]]
close $f
exec [interpreter] $path(gorp.file)
} foo
# Make sure that background commands are properly reaped when they
# eventually die.
if {[testConstraint exec] && [testConstraint nonPortable]} {
after 1300
exec [interpreter] $path(sleep) 1
}
test exec-12.1 {reaping background processes} {exec unix nonPortable} {
for {set i 0} {$i < 20} {incr i} {
exec echo foo > /dev/null &
}
after 1000
catch {exec ps | fgrep "echo foo" | fgrep -v fgrep | wc} msg
lindex $msg 0
} 0
test exec-12.2 {reaping background processes} {exec unix nonPortable} {
exec sleep 2 | sleep 2 | sleep 2 &
catch {exec ps | fgrep -i "sleep" | fgrep -i -v fgrep | wc} msg
set x [lindex $msg 0]
after 3000
catch {exec ps | fgrep -i "sleep" | fgrep -i -v fgrep | wc} msg
list $x [lindex $msg 0]
} {3 0}
test exec-12.3 {reaping background processes} {exec unix nonPortable} {
exec sleep 1000 &
exec sleep 1000 &
set x [exec ps | fgrep "sleep" | fgrep -v fgrep]
set pids {}
foreach i [split $x \n] {
lappend pids [lindex $i 0]
}
foreach i $pids {
catch {exec kill -STOP $i}
}
catch {exec ps | fgrep "sleep" | fgrep -v fgrep | wc} msg
set x [lindex $msg 0]
foreach i $pids {
catch {exec kill -KILL $i}
}
catch {exec ps | fgrep "sleep" | fgrep -v fgrep | wc} msg
list $x [lindex $msg 0]
} {2 0}
# Make sure "errorCode" is set correctly.
test exec-13.1 {setting errorCode variable} {exec} {
list [catch {exec [interpreter] $path(cat) < a/b/c} msg] [string tolower $errorCode]
} {1 {posix enoent {no such file or directory}}}
test exec-13.2 {setting errorCode variable} {exec} {
list [catch {exec [interpreter] $path(cat) > a/b/c} msg] [string tolower $errorCode]
} {1 {posix enoent {no such file or directory}}}
test exec-13.3 {setting errorCode variable} {exec} {
set x [catch {exec _weird_cmd_} msg]
list $x [string tolower $msg] [lindex $errorCode 0] \
[string tolower [lrange $errorCode 2 end]]
} {1 {couldn't execute "_weird_cmd_": no such file or directory} POSIX {{no such file or directory}}}
test exec-13.4 {extended exit result codes} -setup {
set tmp [makeFile {exit 0x00000101} tmpfile.exec-13.4]
} -constraints {win} -body {
list [catch {exec [interpreter] $tmp} err] [lreplace $::errorCode 1 1 {}]
} -cleanup {
removeFile $tmp
} -result {1 {CHILDSTATUS {} 257}}
test exec-13.5 {extended exit result codes: max value} -setup {
set tmp [makeFile {exit 0x3fffffff} tmpfile.exec-13.5]
} -constraints {win} -body {
list [catch {exec [interpreter] $tmp} err] [lreplace $::errorCode 1 1 {}]
} -cleanup {
removeFile $tmp
} -result {1 {CHILDSTATUS {} 1073741823}}
test exec-13.6 {extended exit result codes: signalled} -setup {
set tmp [makeFile {exit 0xC0000016} tmpfile.exec-13.6]
} -constraints {win} -body {
list [catch {exec [interpreter] $tmp} err] [lreplace $::errorCode 1 1 {}]
} -cleanup {
removeFile $tmp
} -result {1 {CHILDKILLED {} SIGABRT SIGABRT}}
# Switches before the first argument
test exec-14.1 {-keepnewline switch} {exec} {
exec -keepnewline [interpreter] $path(echo) foo
} "foo\n"
test exec-14.2 {-keepnewline switch} -constraints {exec} -body {
exec -keepnewline
} -returnCodes error -result {wrong # args: should be "exec ?-option ...? arg ?arg ...?"}
test exec-14.3 {unknown switch} -constraints {exec} -body {
exec -gorp
} -returnCodes error -result {bad option "-gorp": should be -ignorestderr, -keepnewline, or --}
test exec-14.4 {-- switch} -constraints {exec} -body {
exec -- -gorp
} -returnCodes error -result {couldn't execute "-gorp": no such file or directory}
test exec-14.5 {-ignorestderr switch} {exec} {
# Alas, the use of -ignorestderr is buried here :-(
exec [interpreter] $path(sh2) -c [list $path(echo2) foo bar] 2>@1
} "foo bar\nbar"
# Redirecting standard error separately from standard output
test exec-15.1 {standard error redirection} {exec} {
exec [interpreter] $path(echo) "First line" > $path(gorp.file)
list [exec [interpreter] $path(sh) -c "\"$path(echo)\" foo bar 1>&2" 2> $path(gorp.file)] \
[exec [interpreter] $path(cat) $path(gorp.file)]
} {{} {foo bar}}
test exec-15.2 {standard error redirection} {exec stdio} {
list [exec [interpreter] $path(sh) -c "\"$path(echo)\" foo bar 1>&2" \
| [interpreter] $path(echo) biz baz >$path(gorp.file) 2> $path(gorp.file2)] \
[exec [interpreter] $path(cat) $path(gorp.file)] \
[exec [interpreter] $path(cat) $path(gorp.file2)]
} {{} {biz baz} {foo bar}}
test exec-15.3 {standard error redirection} {exec stdio} {
list [exec [interpreter] $path(sh) -c "\"$path(echo)\" foo bar 1>&2" \
| [interpreter] $path(echo) biz baz 2>$path(gorp.file) > $path(gorp.file2)] \
[exec [interpreter] $path(cat) $path(gorp.file)] \
[exec [interpreter] $path(cat) $path(gorp.file2)]
} {{} {foo bar} {biz baz}}
test exec-15.4 {standard error redirection} {exec} {
set f [open $path(gorp.file) w]
puts $f "Line 1"
flush $f
exec [interpreter] $path(sh) -c "\"$path(echo)\" foo bar 1>&2" 2>@ $f
puts $f "Line 3"
close $f
readfile $path(gorp.file)
} {Line 1
foo bar
Line 3}
test exec-15.5 {standard error redirection} {exec} {
exec [interpreter] $path(echo) "First line" > "$path(gorp.file)"
exec [interpreter] "$path(sh)" -c "\"$path(echo)\" foo bar 1>&2" 2>> "$path(gorp.file)"
readfile $path(gorp.file)
} {First line
foo bar}
test exec-15.6 {standard error redirection} {exec stdio} {
exec [interpreter] "$path(sh)" -c "\"$path(echo)\" foo bar 1>&2" > "$path(gorp.file2)" 2> "$path(gorp.file)" \
>& "$path(gorp.file)" 2> "$path(gorp.file2)" | [interpreter] $path(echo) biz baz
list [readfile $path(gorp.file)] [readfile $path(gorp.file2)]
} {{biz baz} {foo bar}}
test exec-15.7 {standard error redirection 2>@1} {exec stdio} {
# This redirects stderr output into normal result output from exec
exec [interpreter] "$path(sh)" -c "\"$path(echo)\" foo bar 1>&2" 2>@1
} {foo bar}
test exec-16.1 {flush output before exec} {exec} {
set f [open $path(gorp.file) w]
puts $f "First line"
exec [interpreter] $path(echo) "Second line" >@ $f
puts $f "Third line"
close $f
readfile $path(gorp.file)
} {First line
Second line
Third line}
test exec-16.2 {flush output before exec} {exec} {
set f [open $path(gorp.file) w]
puts $f "First line"
exec [interpreter] << {puts stderr {Second line}} >&@ $f > $path(gorp.file2)
puts $f "Third line"
close $f
readfile $path(gorp.file)
} {First line
Second line
Third line}
test exec-17.1 {inheriting standard I/O} -constraints {exec} -setup {
set path(script) [makeFile {} script]
set f [open $path(script) w]
puts $f [list lassign [list \
[info nameofexecutable] $path(gorp.file) $path(echo) $path(sleep) \
] exe file echo sleep]
puts $f {
close stdout
set f [open $file w]
catch {exec $exe $echo foobar &}
exec $exe $sleep 2
close $f
}
close $f
} -body {
catch {exec [interpreter] $path(script)} result
list $result [readfile $path(gorp.file)]
} -cleanup {
removeFile $path(script)
} -result {{} foobar}
test exec-18.1 {exec deals with weird file names} -body {
set path(fooblah) [makeFile {contents} "foo\[\{blah"]
exec [interpreter] $path(cat) $path(fooblah)
} -constraints {exec} -cleanup {
removeFile $path(fooblah)
} -result contents
test exec-18.2 {exec cat deals with weird file names} -body {
# This is cross-platform, but the cat isn't predictably correct on
# Windows.
set path(fooblah) [makeFile {contents} "foo\[\{blah"]
exec cat $path(fooblah)
} -constraints {exec tempNotWin} -cleanup {
removeFile $path(fooblah)
} -result contents
# Note that this test cannot be adapted to work on Windows; that platform has
# no kernel support for an analog of O_APPEND. OTOH, that means we can assume
# that there is a POSIX shell...
test exec-19.1 {exec >> uses O_APPEND} -constraints {exec unix} -setup {
set tmpfile [makeFile {0} tmpfile.exec-19.1]
} -body {
# Note that we have to allow for the current contents of the temporary
# file, which is why the result is 14 and not 12
exec /bin/sh -c \
{for a in 1 2 3; do sleep 1; echo $a; done} >>$tmpfile &
exec /bin/sh -c \
{for a in a b c; do sleep 1; echo $a; done} >>$tmpfile &
# The above two shell invokations take about 3 seconds to finish, so allow
# 5s (in case the machine is busy)
after 5000
# Check that no bytes have got lost through mixups with overlapping
# appends, which is only guaranteed to work when we set O_APPEND on the
# file descriptor in the [exec >>...]
file size $tmpfile
} -cleanup {
removeFile $tmpfile
} -result 14
# ----------------------------------------------------------------------
# cleanup
foreach file {gorp.file gorp.file2 echo echo2 cat wc sh sh2 sleep exit err} {
removeFile $file
}
unset -nocomplain path
::tcltest::cleanupTests
return
# Local Variables:
# mode: tcl
# End:
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