sl@0: # Commands covered:  exec
sl@0: #
sl@0: # This file contains a collection of tests for one or more of the Tcl
sl@0: # built-in commands.  Sourcing this file into Tcl runs the tests and
sl@0: # generates output for errors.  No output means no errors were found.
sl@0: #
sl@0: # Copyright (c) 1991-1994 The Regents of the University of California.
sl@0: # Copyright (c) 1994-1997 Sun Microsystems, Inc.
sl@0: # Copyright (c) 1998-1999 by Scriptics Corporation.
sl@0: #
sl@0: # See the file "license.terms" for information on usage and redistribution
sl@0: # of this file, and for a DISCLAIMER OF ALL WARRANTIES.
sl@0: #
sl@0: # RCS: @(#) $Id: exec.test,v 1.16.2.7 2006/01/16 19:31:19 rmax Exp $
sl@0: 
sl@0: package require tcltest 2
sl@0: namespace import -force ::tcltest::*
sl@0: 
sl@0: # All tests require the "exec" command.
sl@0: # Skip them if exec is not defined.
sl@0: testConstraint exec [llength [info commands exec]]
sl@0: unset -nocomplain path
sl@0: set path(echo) [makeFile {
sl@0:     puts -nonewline [lindex $argv 0]
sl@0:     foreach str [lrange $argv 1 end] {
sl@0: 	puts -nonewline " $str"
sl@0:     }
sl@0:     puts {}
sl@0:     exit
sl@0: } echo]
sl@0: 
sl@0: set path(cat) [makeFile {
sl@0:     if {$argv == {}} {
sl@0: 	set argv -
sl@0:     }
sl@0:     foreach name $argv {
sl@0: 	if {$name == "-"} {
sl@0: 	    set f stdin
sl@0: 	} elseif {[catch {open $name r} f] != 0} {
sl@0: 	    puts stderr $f
sl@0: 	    continue
sl@0: 	}
sl@0: 	while {[eof $f] == 0} {
sl@0: 	    puts -nonewline [read $f]
sl@0: 	}
sl@0: 	if {$f != "stdin"} {
sl@0: 	    close $f
sl@0: 	}
sl@0:     }
sl@0:     exit
sl@0: } cat]
sl@0: 
sl@0: set path(wc) [makeFile {
sl@0:     set data [read stdin]
sl@0:     set lines [regsub -all "\n" $data {} dummy]
sl@0:     set words [regsub -all "\[^ \t\n]+" $data {} dummy]
sl@0:     set chars [string length $data]
sl@0:     puts [format "%8.d%8.d%8.d" $lines $words $chars]
sl@0:     exit
sl@0: } wc]
sl@0: 
sl@0: set path(sh) [makeFile {
sl@0:     if {[lindex $argv 0] != "-c"} {
sl@0: 	error "sh: unexpected arguments $argv"
sl@0:     }
sl@0:     set cmd [lindex $argv 1]
sl@0:     lappend cmd ";"
sl@0: 
sl@0:     set newcmd {}
sl@0:     
sl@0:     foreach arg $cmd {
sl@0: 	if {$arg == ";"} {
sl@0: 	    eval exec >@stdout 2>@stderr [list [info nameofexecutable]] $newcmd
sl@0: 	    set newcmd {}
sl@0: 	    continue
sl@0: 	}
sl@0: 	if {$arg == "1>&2"} {
sl@0: 	    set arg >@stderr
sl@0: 	}
sl@0: 	lappend newcmd $arg
sl@0:     }
sl@0:     exit
sl@0: } sh]
sl@0: 
sl@0: set path(sleep) [makeFile {
sl@0:     after [expr $argv*1000]
sl@0:     exit
sl@0: } sleep]
sl@0: 
sl@0: set path(exit) [makeFile {
sl@0:     exit $argv
sl@0: } exit]
sl@0: 
sl@0: # Basic operations.
sl@0: 
sl@0: test exec-1.1 {basic exec operation} {exec} {
sl@0:     exec [interpreter] $path(echo) a b c
sl@0: } "a b c"
sl@0: test exec-1.2 {pipelining} {exec stdio} {
sl@0:     exec [interpreter] $path(echo) a b c d | [interpreter] $path(cat) | [interpreter] $path(cat)
sl@0: } "a b c d"
sl@0: test exec-1.3 {pipelining} {exec stdio} {
sl@0:     set a [exec [interpreter] $path(echo) a b c d | [interpreter] $path(cat) | [interpreter] $path(wc)]
sl@0:     list [scan $a "%d %d %d" b c d] $b $c
sl@0: } {3 1 4}
sl@0: set arg {12345678901234567890123456789012345678901234567890}
sl@0: set arg "$arg$arg$arg$arg$arg$arg"
sl@0: test exec-1.4 {long command lines} {exec} {
sl@0:     exec [interpreter] $path(echo) $arg
sl@0: } $arg
sl@0: set arg {}
sl@0: 
sl@0: # I/O redirection: input from Tcl command.
sl@0: 
sl@0: test exec-2.1 {redirecting input from immediate source} {exec stdio} {
sl@0:     exec [interpreter] $path(cat) << "Sample text"
sl@0: } {Sample text}
sl@0: test exec-2.2 {redirecting input from immediate source} {exec stdio} {
sl@0:     exec << "Sample text" [interpreter] $path(cat) | [interpreter] $path(cat)
sl@0: } {Sample text}
sl@0: test exec-2.3 {redirecting input from immediate source} {exec stdio} {
sl@0:     exec [interpreter] $path(cat) << "Sample text" | [interpreter] $path(cat)
sl@0: } {Sample text}
sl@0: test exec-2.4 {redirecting input from immediate source} {exec stdio} {
sl@0:     exec [interpreter] $path(cat) | [interpreter] $path(cat) << "Sample text"
sl@0: } {Sample text}
sl@0: test exec-2.5 {redirecting input from immediate source} {exec} {
sl@0:     exec [interpreter] $path(cat) "<<Joined to arrows"
sl@0: } {Joined to arrows}
sl@0: test exec-2.6 {redirecting input from immediate source, with UTF} {exec} {
sl@0:     # If this fails, it may give back:
sl@0:     # "\uC3\uA9\uC3\uA0\uC3\uBC\uC3\uB1"
sl@0:     # If it does, this means that the UTF -> external conversion did not 
sl@0:     # occur before writing out the temp file.
sl@0:     exec [interpreter] $path(cat) << "\uE9\uE0\uFC\uF1"
sl@0: } "\uE9\uE0\uFC\uF1"
sl@0: 
sl@0: # I/O redirection: output to file.
sl@0: 
sl@0: set path(gorp.file) [makeFile {} gorp.file]
sl@0: file delete $path(gorp.file)
sl@0: 
sl@0: test exec-3.1 {redirecting output to file} {exec} {
sl@0:     exec [interpreter] $path(echo) "Some simple words" > $path(gorp.file)
sl@0:     exec [interpreter] $path(cat) $path(gorp.file)
sl@0: } "Some simple words"
sl@0: test exec-3.2 {redirecting output to file} {exec stdio} {
sl@0:     exec [interpreter] $path(echo) "More simple words" | >$path(gorp.file) [interpreter] $path(cat) | [interpreter] $path(cat)
sl@0:     exec [interpreter] $path(cat) $path(gorp.file)
sl@0: } "More simple words"
sl@0: test exec-3.3 {redirecting output to file} {exec stdio} {
sl@0:     exec > $path(gorp.file) [interpreter] $path(echo) "Different simple words" | [interpreter] $path(cat) | [interpreter] $path(cat)
sl@0:     exec [interpreter] $path(cat) $path(gorp.file)
sl@0: } "Different simple words"
sl@0: test exec-3.4 {redirecting output to file} {exec} {
sl@0:     exec [interpreter] $path(echo) "Some simple words" >$path(gorp.file)
sl@0:     exec [interpreter] $path(cat) $path(gorp.file)
sl@0: } "Some simple words"
sl@0: test exec-3.5 {redirecting output to file} {exec} {
sl@0:     exec [interpreter] $path(echo) "First line" >$path(gorp.file)
sl@0:     exec [interpreter] $path(echo) "Second line" >> $path(gorp.file)
sl@0:     exec [interpreter] $path(cat) $path(gorp.file)
sl@0: } "First line\nSecond line"
sl@0: test exec-3.6 {redirecting output to file} {exec} {
sl@0:     exec [interpreter] $path(echo) "First line" >$path(gorp.file)
sl@0:     exec [interpreter] $path(echo) "Second line" >>$path(gorp.file)
sl@0:     exec [interpreter] $path(cat) $path(gorp.file)
sl@0: } "First line\nSecond line"
sl@0: test exec-3.7 {redirecting output to file} {exec} {
sl@0:     set f [open $path(gorp.file) w]
sl@0:     puts $f "Line 1"
sl@0:     flush $f
sl@0:     exec [interpreter] $path(echo) "More text" >@ $f
sl@0:     exec [interpreter] $path(echo) >@$f "Even more"
sl@0:     puts $f "Line 3"
sl@0:     close $f
sl@0:     exec [interpreter] $path(cat) $path(gorp.file)
sl@0: } "Line 1\nMore text\nEven more\nLine 3"
sl@0: 
sl@0: # I/O redirection: output and stderr to file.
sl@0: 
sl@0: file delete $path(gorp.file)
sl@0: 
sl@0: test exec-4.1 {redirecting output and stderr to file} {exec} {
sl@0:     exec [interpreter] "$path(echo)" "test output" >& $path(gorp.file)
sl@0:     exec [interpreter] "$path(cat)" "$path(gorp.file)"
sl@0: } "test output"
sl@0: test exec-4.2 {redirecting output and stderr to file} {exec} {
sl@0:     list [exec [interpreter] "$path(sh)" -c "\"$path(echo)\" foo bar 1>&2" >&$path(gorp.file)] \
sl@0: 	    [exec [interpreter] "$path(cat)" "$path(gorp.file)"]
sl@0: } {{} {foo bar}}
sl@0: test exec-4.3 {redirecting output and stderr to file} {exec} {
sl@0:     exec [interpreter] $path(echo) "first line" > $path(gorp.file)
sl@0:     list [exec [interpreter] "$path(sh)" -c "\"$path(echo)\" foo bar 1>&2" >>&$path(gorp.file)] \
sl@0: 	    [exec [interpreter] "$path(cat)" "$path(gorp.file)"]
sl@0: } "{} {first line\nfoo bar}"
sl@0: test exec-4.4 {redirecting output and stderr to file} {exec} {
sl@0:     set f [open "$path(gorp.file)" w]
sl@0:     puts $f "Line 1"
sl@0:     flush $f
sl@0:     exec [interpreter] "$path(echo)" "More text" >&@ $f
sl@0:     exec [interpreter] "$path(echo)" >&@$f "Even more"
sl@0:     puts $f "Line 3"
sl@0:     close $f
sl@0:     exec [interpreter] "$path(cat)" "$path(gorp.file)"
sl@0: } "Line 1\nMore text\nEven more\nLine 3"
sl@0: test exec-4.5 {redirecting output and stderr to file} {exec} {
sl@0:     set f [open "$path(gorp.file)" w]
sl@0:     puts $f "Line 1"
sl@0:     flush $f
sl@0:     exec >&@ $f [interpreter] "$path(sh)" -c "\"$path(echo)\" foo bar 1>&2"
sl@0:     exec >&@$f [interpreter] "$path(sh)" -c "\"$path(echo)\" xyzzy 1>&2"
sl@0:     puts $f "Line 3"
sl@0:     close $f
sl@0:     exec [interpreter] "$path(cat)" "$path(gorp.file)"
sl@0: } "Line 1\nfoo bar\nxyzzy\nLine 3"
sl@0: 
sl@0: # I/O redirection: input from file.
sl@0: 
sl@0: if { [set ::tcltest::testConstraints(exec)] } {
sl@0: exec [interpreter] $path(echo) "Just a few thoughts" > $path(gorp.file)
sl@0: }
sl@0: test exec-5.1 {redirecting input from file} {exec} {
sl@0:     exec [interpreter] $path(cat) < $path(gorp.file)
sl@0: } {Just a few thoughts}
sl@0: test exec-5.2 {redirecting input from file} {exec stdio} {
sl@0:     exec [interpreter] $path(cat) | [interpreter] $path(cat) < $path(gorp.file)
sl@0: } {Just a few thoughts}
sl@0: test exec-5.3 {redirecting input from file} {exec stdio} {
sl@0:     exec [interpreter] $path(cat) < $path(gorp.file) | [interpreter] $path(cat)
sl@0: } {Just a few thoughts}
sl@0: test exec-5.4 {redirecting input from file} {exec stdio} {
sl@0:     exec < $path(gorp.file) [interpreter] $path(cat) | [interpreter] $path(cat)
sl@0: } {Just a few thoughts}
sl@0: test exec-5.5 {redirecting input from file} {exec} {
sl@0:     exec [interpreter] $path(cat) <$path(gorp.file)
sl@0: } {Just a few thoughts}
sl@0: test exec-5.6 {redirecting input from file} {exec} {
sl@0:     set f [open $path(gorp.file) r]
sl@0:     set result [exec [interpreter] $path(cat) <@ $f]
sl@0:     close $f
sl@0:     set result
sl@0: } {Just a few thoughts}
sl@0: test exec-5.7 {redirecting input from file} {exec} {
sl@0:     set f [open $path(gorp.file) r]
sl@0:     set result [exec <@$f [interpreter] $path(cat)]
sl@0:     close $f
sl@0:     set result
sl@0: } {Just a few thoughts}
sl@0: 
sl@0: # I/O redirection: standard error through a pipeline.
sl@0: 
sl@0: test exec-6.1 {redirecting stderr through a pipeline} {exec stdio} {
sl@0:     exec [interpreter] "$path(sh)" -c "\"$path(echo)\" foo bar" |& [interpreter] "$path(cat)"
sl@0: } "foo bar"
sl@0: test exec-6.2 {redirecting stderr through a pipeline} {exec stdio} {
sl@0:     exec [interpreter] "$path(sh)" -c "\"$path(echo)\" foo bar 1>&2" |& [interpreter] "$path(cat)"
sl@0: } "foo bar"
sl@0: test exec-6.3 {redirecting stderr through a pipeline} {exec stdio} {
sl@0:     exec [interpreter] "$path(sh)" -c "\"$path(echo)\" foo bar 1>&2" \
sl@0: 	|& [interpreter] "$path(sh)" -c "\"$path(echo)\" second msg 1>&2 ; \"$path(cat)\"" |& [interpreter] "$path(cat)"
sl@0: } "second msg\nfoo bar"
sl@0: 
sl@0: # I/O redirection: combinations.
sl@0: 
sl@0: set path(gorp.file2) [makeFile {} gorp.file2]
sl@0: file delete $path(gorp.file2)
sl@0: 
sl@0: test exec-7.1 {multiple I/O redirections} {exec} {
sl@0:     exec << "command input" > $path(gorp.file2) [interpreter] $path(cat) < $path(gorp.file)
sl@0:     exec [interpreter] $path(cat) $path(gorp.file2)
sl@0: } {Just a few thoughts}
sl@0: test exec-7.2 {multiple I/O redirections} {exec} {
sl@0:     exec < $path(gorp.file) << "command input" [interpreter] $path(cat)
sl@0: } {command input}
sl@0: 
sl@0: # Long input to command and output from command.
sl@0: 
sl@0: set a "0123456789 xxxxxxxxx abcdefghi ABCDEFGHIJK\n"
sl@0: set a [concat $a $a $a $a]
sl@0: set a [concat $a $a $a $a]
sl@0: set a [concat $a $a $a $a]
sl@0: set a [concat $a $a $a $a]
sl@0: test exec-8.1 {long input and output} {exec} {
sl@0:     exec [interpreter] $path(cat) << $a
sl@0: } $a
sl@0: 
sl@0: # More than 20 arguments to exec.
sl@0: 
sl@0: test exec-8.2 {long input and output} {exec} {
sl@0:     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
sl@0: } {1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23}
sl@0: 
sl@0: # Commands that return errors.
sl@0: 
sl@0: test exec-9.1 {commands returning errors} {exec} {
sl@0:     set x [catch {exec gorp456} msg]
sl@0:     list $x [string tolower $msg] [string tolower $errorCode]
sl@0: } {1 {couldn't execute "gorp456": no such file or directory} {posix enoent {no such file or directory}}}
sl@0: test exec-9.2 {commands returning errors} {exec} {
sl@0:     string tolower [list [catch {exec [interpreter] echo foo | foo123} msg] $msg $errorCode]
sl@0: } {1 {couldn't execute "foo123": no such file or directory} {posix enoent {no such file or directory}}}
sl@0: test exec-9.3 {commands returning errors} {exec stdio} {
sl@0:     list [catch {exec [interpreter] $path(sleep) 1 | [interpreter] $path(exit) 43 | [interpreter] $path(sleep) 1} msg] $msg
sl@0: } {1 {child process exited abnormally}}
sl@0: test exec-9.4 {commands returning errors} {exec stdio} {
sl@0:     list [catch {exec [interpreter] $path(exit) 43 | [interpreter] $path(echo) "foo bar"} msg] $msg
sl@0: } {1 {foo bar
sl@0: child process exited abnormally}}
sl@0: test exec-9.5 {commands returning errors} {exec stdio} {
sl@0:     list [catch {exec gorp456 | [interpreter] echo a b c} msg] [string tolower $msg]
sl@0: } {1 {couldn't execute "gorp456": no such file or directory}}
sl@0: test exec-9.6 {commands returning errors} {exec} {
sl@0:     list [catch {exec [interpreter] "$path(sh)" -c "\"$path(echo)\" error msg 1>&2"} msg] $msg
sl@0: } {1 {error msg}}
sl@0: test exec-9.7 {commands returning errors} {exec stdio} {
sl@0:     list [catch {exec [interpreter] "$path(sh)" -c "\"$path(echo)\" error msg 1>&2" \
sl@0: 		     | [interpreter] "$path(sh)" -c "\"$path(echo)\" error msg 1>&2"} msg] $msg
sl@0: } {1 {error msg
sl@0: error msg}}
sl@0: 
sl@0: set path(err) [makeFile {} err]
sl@0: 
sl@0: test exec-9.8 {commands returning errors} {exec} {
sl@0:     set f [open $path(err) w]
sl@0:     puts $f {
sl@0: 	puts stdout out
sl@0: 	puts stderr err
sl@0:     }
sl@0:     close $f
sl@0:     list [catch {exec [interpreter] $path(err)} msg] $msg
sl@0: } {1 {out
sl@0: err}}
sl@0: 
sl@0: # Errors in executing the Tcl command, as opposed to errors in the
sl@0: # processes that are invoked.
sl@0: 
sl@0: test exec-10.1 {errors in exec invocation} {exec} {
sl@0:     list [catch {exec} msg] $msg
sl@0: } {1 {wrong # args: should be "exec ?switches? arg ?arg ...?"}}
sl@0: test exec-10.2 {errors in exec invocation} {exec} {
sl@0:     list [catch {exec | cat} msg] $msg
sl@0: } {1 {illegal use of | or |& in command}}
sl@0: test exec-10.3 {errors in exec invocation} {exec} {
sl@0:     list [catch {exec cat |} msg] $msg
sl@0: } {1 {illegal use of | or |& in command}}
sl@0: test exec-10.4 {errors in exec invocation} {exec} {
sl@0:     list [catch {exec cat | | cat} msg] $msg
sl@0: } {1 {illegal use of | or |& in command}}
sl@0: test exec-10.5 {errors in exec invocation} {exec} {
sl@0:     list [catch {exec cat | |& cat} msg] $msg
sl@0: } {1 {illegal use of | or |& in command}}
sl@0: test exec-10.6 {errors in exec invocation} {exec} {
sl@0:     list [catch {exec cat |&} msg] $msg
sl@0: } {1 {illegal use of | or |& in command}}
sl@0: test exec-10.7 {errors in exec invocation} {exec} {
sl@0:     list [catch {exec cat <} msg] $msg
sl@0: } {1 {can't specify "<" as last word in command}}
sl@0: test exec-10.8 {errors in exec invocation} {exec} {
sl@0:     list [catch {exec cat >} msg] $msg
sl@0: } {1 {can't specify ">" as last word in command}}
sl@0: test exec-10.9 {errors in exec invocation} {exec} {
sl@0:     list [catch {exec cat <<} msg] $msg
sl@0: } {1 {can't specify "<<" as last word in command}}
sl@0: test exec-10.10 {errors in exec invocation} {exec} {
sl@0:     list [catch {exec cat >>} msg] $msg
sl@0: } {1 {can't specify ">>" as last word in command}}
sl@0: test exec-10.11 {errors in exec invocation} {exec} {
sl@0:     list [catch {exec cat >&} msg] $msg
sl@0: } {1 {can't specify ">&" as last word in command}}
sl@0: test exec-10.12 {errors in exec invocation} {exec} {
sl@0:     list [catch {exec cat >>&} msg] $msg
sl@0: } {1 {can't specify ">>&" as last word in command}}
sl@0: test exec-10.13 {errors in exec invocation} {exec} {
sl@0:     list [catch {exec cat >@} msg] $msg
sl@0: } {1 {can't specify ">@" as last word in command}}
sl@0: test exec-10.14 {errors in exec invocation} {exec} {
sl@0:     list [catch {exec cat <@} msg] $msg
sl@0: } {1 {can't specify "<@" as last word in command}}
sl@0: test exec-10.15 {errors in exec invocation} {exec} {
sl@0:     list [catch {exec cat < a/b/c} msg] [string tolower $msg]
sl@0: } {1 {couldn't read file "a/b/c": no such file or directory}}
sl@0: test exec-10.16 {errors in exec invocation} {exec} {
sl@0:     list [catch {exec cat << foo > a/b/c} msg] [string tolower $msg]
sl@0: } {1 {couldn't write file "a/b/c": no such file or directory}}
sl@0: test exec-10.17 {errors in exec invocation} {exec} {
sl@0:     list [catch {exec cat << foo > a/b/c} msg] [string tolower $msg]
sl@0: } {1 {couldn't write file "a/b/c": no such file or directory}}
sl@0: set f [open $path(gorp.file) w]
sl@0: test exec-10.18 {errors in exec invocation} {exec} {
sl@0:     list [catch {exec cat <@ $f} msg] $msg
sl@0: } "1 {channel \"$f\" wasn't opened for reading}"
sl@0: close $f
sl@0: set f [open $path(gorp.file) r]
sl@0: test exec-10.19 {errors in exec invocation} {exec} {
sl@0:     list [catch {exec cat >@ $f} msg] $msg
sl@0: } "1 {channel \"$f\" wasn't opened for writing}"
sl@0: close $f
sl@0: test exec-10.20 {errors in exec invocation} {exec} {
sl@0:     list [catch {exec ~non_existent_user/foo/bar} msg] $msg
sl@0: } {1 {user "non_existent_user" doesn't exist}}
sl@0: test exec-10.21 {errors in exec invocation} {exec} {
sl@0:     list [catch {exec [interpreter] true | ~xyzzy_bad_user/x | false} msg] $msg
sl@0: } {1 {user "xyzzy_bad_user" doesn't exist}}
sl@0: test exec-10.22 {errors in exec invocation} \
sl@0: -constraints exec \
sl@0: -returnCodes 1 \
sl@0: -body {exec echo test > ~non_existent_user/foo/bar} \
sl@0: -result {user "non_existent_user" doesn't exist}
sl@0: # Commands in background.
sl@0: 
sl@0: test exec-11.1 {commands in background} {exec} {
sl@0:     set x [lindex [time {exec [interpreter] $path(sleep) 2 &}] 0]
sl@0:     expr $x<1000000
sl@0: } 1
sl@0: test exec-11.2 {commands in background} {exec} {
sl@0:     list [catch {exec [interpreter] $path(echo) a &b} msg] $msg
sl@0: } {0 {a &b}}
sl@0: test exec-11.3 {commands in background} {exec} {
sl@0:     llength [exec [interpreter] $path(sleep) 1 &]
sl@0: } 1
sl@0: test exec-11.4 {commands in background} {exec stdio} {
sl@0:     llength [exec [interpreter] $path(sleep) 1 | [interpreter] $path(sleep) 1 | [interpreter] $path(sleep) 1 &]
sl@0: } 3
sl@0: test exec-11.5 {commands in background} {exec} {
sl@0:     set f [open $path(gorp.file) w]
sl@0:     puts $f [list catch [list exec [info nameofexecutable] $path(echo) foo &]]
sl@0:     close $f
sl@0:     string compare "foo" [exec [interpreter] $path(gorp.file)]
sl@0: } 0
sl@0: 
sl@0: # Make sure that background commands are properly reaped when
sl@0: # they eventually die.
sl@0: 
sl@0: if { [set ::tcltest::testConstraints(exec)] } {
sl@0: exec [interpreter] $path(sleep) 3
sl@0: }
sl@0: test exec-12.1 {reaping background processes} \
sl@0: 	{exec unixOnly nonPortable} {
sl@0:     for {set i 0} {$i < 20} {incr i} {
sl@0: 	exec echo foo > /dev/null &
sl@0:     }
sl@0:     exec sleep 1
sl@0:     catch {exec ps | fgrep "echo foo" | fgrep -v fgrep | wc} msg
sl@0:     lindex $msg 0
sl@0: } 0
sl@0: test exec-12.2 {reaping background processes} \
sl@0: 	{exec unixOnly nonPortable} {
sl@0:     exec sleep 2 | sleep 2 | sleep 2 &
sl@0:     catch {exec ps | fgrep -i "sleep" | fgrep -i -v fgrep | wc} msg
sl@0:     set x [lindex $msg 0]
sl@0:     exec sleep 3
sl@0:     catch {exec ps | fgrep -i "sleep" | fgrep -i -v fgrep | wc} msg
sl@0:     list $x [lindex $msg 0]
sl@0: } {3 0}
sl@0: test exec-12.3 {reaping background processes} \
sl@0: 	{exec unixOnly nonPortable} {
sl@0:     exec sleep 1000 &
sl@0:     exec sleep 1000 &
sl@0:     set x [exec ps | fgrep "sleep" | fgrep -v fgrep]
sl@0:     set pids {}
sl@0:     foreach i [split $x \n] {
sl@0: 	lappend pids [lindex $i 0]
sl@0:     }
sl@0:     foreach i $pids {
sl@0: 	catch {exec kill -STOP $i}
sl@0:     }
sl@0:     catch {exec ps | fgrep "sleep" | fgrep -v fgrep | wc} msg
sl@0:     set x [lindex $msg 0]
sl@0: 
sl@0:     foreach i $pids {
sl@0: 	catch {exec kill -KILL $i}
sl@0:     }
sl@0:     catch {exec ps | fgrep "sleep" | fgrep -v fgrep | wc} msg
sl@0:     list $x [lindex $msg 0]
sl@0: } {2 0}
sl@0: 
sl@0: # Make sure "errorCode" is set correctly.
sl@0: 
sl@0: test exec-13.1 {setting errorCode variable} {exec} {
sl@0:     list [catch {exec [interpreter] $path(cat) < a/b/c} msg] [string tolower $errorCode]
sl@0: } {1 {posix enoent {no such file or directory}}}
sl@0: test exec-13.2 {setting errorCode variable} {exec} {
sl@0:     list [catch {exec [interpreter] $path(cat) > a/b/c} msg] [string tolower $errorCode]
sl@0: } {1 {posix enoent {no such file or directory}}}
sl@0: test exec-13.3 {setting errorCode variable} {exec} {
sl@0:     set x [catch {exec _weird_cmd_} msg]
sl@0:     list $x [string tolower $msg] [lindex $errorCode 0] \
sl@0: 	    [string tolower [lrange $errorCode 2 end]]
sl@0: } {1 {couldn't execute "_weird_cmd_": no such file or directory} POSIX {{no such file or directory}}}
sl@0: 
sl@0: test exec-13.4 {extended exit result codes} {
sl@0:     -constraints {win}
sl@0:     -setup {
sl@0:         set tmp [makeFile {exit 0x00000101} tmpfile.exec-13.4]
sl@0:     }
sl@0:     -body {
sl@0:         list [catch {exec [interpreter] $tmp} err]\
sl@0:             [lreplace $::errorCode 1 1 {}]
sl@0:     }
sl@0:     -cleanup {
sl@0:         removeFile $tmp
sl@0:     }
sl@0:     -result {1 {CHILDSTATUS {} 257}}
sl@0: }
sl@0: 
sl@0: test exec-13.5 {extended exit result codes: max value} {
sl@0:     -constraints {win}
sl@0:     -setup {
sl@0:         set tmp [makeFile {exit 0x3fffffff} tmpfile.exec-13.5]
sl@0:     }
sl@0:     -body {
sl@0:         list [catch {exec [interpreter] $tmp} err]\
sl@0:             [lreplace $::errorCode 1 1 {}]
sl@0:     }
sl@0:     -cleanup {
sl@0:         removeFile $tmp
sl@0:     }
sl@0:     -result {1 {CHILDSTATUS {} 1073741823}}
sl@0: }
sl@0: 
sl@0: test exec-13.6 {extended exit result codes: signalled} {   
sl@0:     -constraints {win}
sl@0:     -setup {
sl@0:         set tmp [makeFile {exit 0xffffffff} tmpfile.exec-13.6]
sl@0:     }
sl@0:     -body {
sl@0:         list [catch {exec [interpreter] $tmp} err]\
sl@0:             [lreplace $::errorCode 1 1 {}]
sl@0:     }
sl@0:     -cleanup {
sl@0:         removeFile $tmp
sl@0:     }
sl@0:     -result {1 {CHILDKILLED {} SIGABRT SIGABRT}}
sl@0: }
sl@0: 
sl@0: # Switches before the first argument
sl@0: 
sl@0: test exec-14.1 {-keepnewline switch} {exec} {
sl@0:     exec -keepnewline [interpreter] $path(echo) foo
sl@0: } "foo\n"
sl@0: test exec-14.2 {-keepnewline switch} {exec} {
sl@0:     list [catch {exec -keepnewline} msg] $msg
sl@0: } {1 {wrong # args: should be "exec ?switches? arg ?arg ...?"}}
sl@0: test exec-14.3 {unknown switch} {exec} {
sl@0:     list [catch {exec -gorp} msg] $msg
sl@0: } {1 {bad switch "-gorp": must be -keepnewline or --}}
sl@0: test exec-14.4 {-- switch} {exec} {
sl@0:     list [catch {exec -- -gorp} msg] [string tolower $msg]
sl@0: } {1 {couldn't execute "-gorp": no such file or directory}}
sl@0: 
sl@0: # Redirecting standard error separately from standard output
sl@0: 
sl@0: test exec-15.1 {standard error redirection} {exec} {
sl@0:     exec [interpreter] "$path(echo)" "First line" > "$path(gorp.file)"
sl@0:     list [exec [interpreter] "$path(sh)" -c "\"$path(echo)\" foo bar 1>&2" 2> "$path(gorp.file)"] \
sl@0: 	    [exec [interpreter] "$path(cat)" "$path(gorp.file)"]
sl@0: } {{} {foo bar}}
sl@0: test exec-15.2 {standard error redirection} {exec stdio} {
sl@0:     list [exec [interpreter] "$path(sh)" -c "\"$path(echo)\" foo bar 1>&2" \
sl@0: 		| [interpreter] "$path(echo)" biz baz >$path(gorp.file) 2> "$path(gorp.file2)"] \
sl@0: 	    [exec [interpreter] "$path(cat)" "$path(gorp.file)"] \
sl@0: 	    [exec [interpreter] "$path(cat)" "$path(gorp.file2)"]
sl@0: } {{} {biz baz} {foo bar}}
sl@0: test exec-15.3 {standard error redirection} {exec stdio} {
sl@0:     list [exec [interpreter] "$path(sh)" -c "\"$path(echo)\" foo bar 1>&2" \
sl@0: 	        | [interpreter] "$path(echo)" biz baz 2>$path(gorp.file) > "$path(gorp.file2)"] \
sl@0: 	    [exec [interpreter] "$path(cat)" "$path(gorp.file)"] \
sl@0: 	    [exec [interpreter] "$path(cat)" "$path(gorp.file2)"]
sl@0: } {{} {foo bar} {biz baz}}
sl@0: test exec-15.4 {standard error redirection} {exec} {
sl@0:     set f [open "$path(gorp.file)" w]
sl@0:     puts $f "Line 1"
sl@0:     flush $f
sl@0:     exec [interpreter] "$path(sh)" -c "\"$path(echo)\" foo bar 1>&2" 2>@ $f
sl@0:     puts $f "Line 3"
sl@0:     close $f
sl@0:     exec [interpreter] "$path(cat)" "$path(gorp.file)"
sl@0: } {Line 1
sl@0: foo bar
sl@0: Line 3}
sl@0: test exec-15.5 {standard error redirection} {exec} {
sl@0:     exec [interpreter] "$path(echo)" "First line" > "$path(gorp.file)"
sl@0:     exec [interpreter] "$path(sh)" -c "\"$path(echo)\" foo bar 1>&2" 2>> "$path(gorp.file)"
sl@0:     exec [interpreter] "$path(cat)" "$path(gorp.file)"
sl@0: } {First line
sl@0: foo bar}
sl@0: test exec-15.6 {standard error redirection} {exec stdio} {
sl@0:     exec [interpreter] "$path(sh)" -c "\"$path(echo)\" foo bar 1>&2" > "$path(gorp.file2)" 2> "$path(gorp.file)" \
sl@0: 	    >& "$path(gorp.file)" 2> "$path(gorp.file2)" | [interpreter] "$path(echo)" biz baz
sl@0:     list [exec [interpreter] "$path(cat)" "$path(gorp.file)"] [exec [interpreter] "$path(cat)" "$path(gorp.file2)"]
sl@0: } {{biz baz} {foo bar}}
sl@0: test exec-15.7 {standard error redirection 2>@1} {exec stdio} {
sl@0:     # This redirects stderr output into normal result output from exec
sl@0:     exec [interpreter] "$path(sh)" -c "\"$path(echo)\" foo bar 1>&2" 2>@1
sl@0: } {foo bar}
sl@0: 
sl@0: test exec-16.1 {flush output before exec} {exec} {
sl@0:     set f [open $path(gorp.file) w]
sl@0:     puts $f "First line"
sl@0:     exec [interpreter] $path(echo) "Second line" >@ $f
sl@0:     puts $f "Third line"
sl@0:     close $f
sl@0:     exec [interpreter] $path(cat) $path(gorp.file)
sl@0: } {First line
sl@0: Second line
sl@0: Third line}
sl@0: test exec-16.2 {flush output before exec} {exec} {
sl@0:     set f [open $path(gorp.file) w]
sl@0:     puts $f "First line"
sl@0:     exec [interpreter] << {puts stderr {Second line}} >&@ $f > $path(gorp.file2)
sl@0:     puts $f "Third line"
sl@0:     close $f
sl@0:     exec [interpreter] $path(cat) $path(gorp.file)
sl@0: } {First line
sl@0: Second line
sl@0: Third line}
sl@0: 
sl@0: set path(script) [makeFile {} script]
sl@0: 
sl@0: test exec-17.1 { inheriting standard I/O } {exec} {
sl@0:     set f [open $path(script) w]
sl@0:     puts -nonewline $f {close stdout
sl@0: 	set f [}
sl@0:     puts $f [list open $path(gorp.file) w]]
sl@0:     puts $f [list catch \
sl@0: 	    [list exec [info nameofexecutable] $path(echo) foobar &]]
sl@0:     puts $f [list exec [info nameofexecutable] $path(sleep) 2]
sl@0:     puts $f {close $f}
sl@0:     close $f
sl@0:     catch {exec [interpreter] $path(script)} result
sl@0:     set f [open $path(gorp.file) r]
sl@0:     lappend result [read $f]
sl@0:     close $f
sl@0:     set result
sl@0: } {{foobar
sl@0: }}
sl@0: 
sl@0: test exec-18.1 { exec cat deals with weird file names} {exec tempNotWin} {
sl@0:     # This is cross-platform, but the cat isn't predictably correct on
sl@0:     # Windows.
sl@0:     set f "foo\[\{blah"
sl@0:     set path(fooblah) [makeFile {} $f]
sl@0:     set fout [open $path(fooblah) w]
sl@0:     puts $fout "contents"
sl@0:     close $fout
sl@0:     set res [list [catch {exec cat $path(fooblah)} msg] $msg]
sl@0:     removeFile $f
sl@0:     set res
sl@0: } {0 contents}
sl@0: 
sl@0: # Note that this test cannot be adapted to work on Windows; that platform has
sl@0: # no kernel support for an analog of O_APPEND.
sl@0: test exec-19.1 {exec >> uses O_APPEND} {
sl@0:     -constraints {exec unix}
sl@0:     -setup {
sl@0: 	set tmpfile [makeFile {0} tmpfile.exec-19.1]
sl@0:     }
sl@0:     -body {
sl@0: 	# Note that we have to allow for the current contents of the
sl@0: 	# temporary file, which is why the result is 14 and not 12
sl@0: 	exec /bin/sh -c \
sl@0: 	    {for a in 1 2 3; do sleep 1; echo $a; done} >>$tmpfile &
sl@0: 	exec /bin/sh -c \
sl@0: 	    {for a in a b c; do sleep 1; echo $a; done} >>$tmpfile &
sl@0: 	# The above two shell invokations take about 3 seconds to
sl@0: 	# finish, so allow 5s (in case the machine is busy)
sl@0: 	after 5000
sl@0: 	# Check that no bytes have got lost through mixups with
sl@0: 	# overlapping appends, which is only guaranteed to work when
sl@0: 	# we set O_APPEND on the file descriptor in the [exec >>...]
sl@0: 	file size $tmpfile
sl@0:     }
sl@0:     -cleanup {
sl@0: 	removeFile $tmpfile
sl@0:     }
sl@0:     -result 14
sl@0: }
sl@0: 
sl@0: # cleanup
sl@0: 
sl@0: foreach file {script gorp.file gorp.file2 echo cat wc sh sleep exit err} {
sl@0:     removeFile $file
sl@0: }
sl@0: unset -nocomplain path
sl@0: 
sl@0: ::tcltest::cleanupTests
sl@0: return