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author | Steve Bennett <steveb@workware.net.au> | 2010-01-24 11:48:11 +1000 |
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committer | Steve Bennett <steveb@workware.net.au> | 2010-10-15 11:02:42 +1000 |
commit | fb44f9ee2d4b23bc4f5f46ad3b01b33e563932cd (patch) | |
tree | 941ba41439c9e28e46e8a3bdebdf850d52ca30da /tests | |
parent | e4d2d840caacfcedda56ea4fbfcea4e0e1f306ab (diff) | |
download | jimtcl-fb44f9ee2d4b23bc4f5f46ad3b01b33e563932cd.zip jimtcl-fb44f9ee2d4b23bc4f5f46ad3b01b33e563932cd.tar.gz jimtcl-fb44f9ee2d4b23bc4f5f46ad3b01b33e563932cd.tar.bz2 |
Tests, ehancements and bug fixes for exec
Add Tcl tests for exec
Fix some errors exposed by these tests
Add support for >&, >>&, |&
Diffstat (limited to 'tests')
-rw-r--r-- | tests/exec.test | 475 |
1 files changed, 475 insertions, 0 deletions
diff --git a/tests/exec.test b/tests/exec.test new file mode 100644 index 0000000..f37b5fb --- /dev/null +++ b/tests/exec.test @@ -0,0 +1,475 @@ +# 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. +# +# RCS: @(#) $Id: exec.test,v 1.8.2.1 2001/10/17 19:29:25 das Exp $ + +source testing.tcl + +set f [open echo w] +puts $f { + puts -nonewline [lindex $argv 0] + foreach str [lrange $argv 1 end] { + puts -nonewline " $str" + } + puts {} + exit +} +close $f + +set f [open cat w] +puts $f { + if {$argv == {}} { + set argv - + } + foreach name $argv { + if {$name == "-"} { + set f stdin + } elseif {[catch {open $name r} f] != 0} { + puts stderr $f + continue + } + while {[eof $f] == 0} { + puts -nonewline [read $f] + } + if {$f != "stdin"} { + close $f + } + } + exit +} +close $f + +set f [open wc w] +puts $f { + 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 +} +close $f + +set f [open sh w] +puts $f { + if {[lindex $argv 0] != "-c"} { + error "sh: unexpected arguments $argv" + } + set cmd [lindex $argv 1] + lappend cmd ";" + + set newcmd {} + + foreach arg $cmd { + if {$arg == ";"} { + eval exec >@stdout 2>@stderr [list [info nameofexecutable]] $newcmd + set newcmd {} + continue + } + if {$arg == "1>&2"} { + set arg >@stderr + } + lappend newcmd $arg + } + exit +} +close $f + +set f [open sleep w] +puts $f { + after [expr $argv*1000] + exit +} +close $f + +set f [open exit w] +puts $f { + exit $argv +} +close $f + +# Basic operations. + +test exec-1.1 {basic exec operation} { + exec echo a b c +} "a b c" +test exec-1.2 {pipelining} { + exec echo a b c d | cat | cat +} "a b c d" +test exec-1.3 {pipelining} { + set a [exec echo a b c d | cat | 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 echo $arg +} $arg +set arg {} + +# I/O redirection: input from Tcl command. + +test exec-2.1 {redirecting input from immediate source} { + exec cat << "Sample text" +} {Sample text} +test exec-2.2 {redirecting input from immediate source} { + exec << "Sample text" cat | cat +} {Sample text} +test exec-2.3 {redirecting input from immediate source} { + exec cat << "Sample text" | cat +} {Sample text} +test exec-2.4 {redirecting input from immediate source} { + exec cat | cat << "Sample text" +} {Sample text} +test exec-2.5 {redirecting input from immediate source} { + exec cat "<<Joined to arrows" +} {Joined to arrows} +test exec-2.6 {redirecting input from immediate source, with UTF} { + # 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. + exec cat << "\uE9\uE0\uFC\uF1" +} "\uE9\uE0\uFC\uF1" + +# I/O redirection: output to file. + +file delete gorp.file +test exec-3.1 {redirecting output to file} { + exec echo "Some simple words" > gorp.file + exec cat gorp.file +} "Some simple words" +test exec-3.2 {redirecting output to file} { + exec echo "More simple words" | >gorp.file cat | cat + exec cat gorp.file +} "More simple words" +test exec-3.3 {redirecting output to file} { + exec > gorp.file echo "Different simple words" | cat | cat + exec cat gorp.file +} "Different simple words" +test exec-3.4 {redirecting output to file} { + exec echo "Some simple words" >gorp.file + exec cat gorp.file +} "Some simple words" +test exec-3.5 {redirecting output to file} { + exec echo "First line" >gorp.file + exec echo "Second line" >> gorp.file + exec cat gorp.file +} "First line\nSecond line" +test exec-3.6 {redirecting output to file} { + exec echo "First line" >gorp.file + exec echo "Second line" >>gorp.file + exec cat gorp.file +} "First line\nSecond line" +test exec-3.7 {redirecting output to file} { + set f [open gorp.file w] + puts $f "Line 1" + flush $f + exec echo "More text" >@ $f + exec echo >@$f "Even more" + puts $f "Line 3" + close $f + exec cat gorp.file +} "Line 1\nMore text\nEven more\nLine 3" + +# I/O redirection: output and stderr to file. + +file delete gorp.file +test exec-4.1 {redirecting output and stderr to file} { + exec echo "test output" >& gorp.file + exec cat gorp.file +} "test output" +test exec-4.2 {redirecting output and stderr to file} { + list [exec sh -c "echo foo bar 1>&2" >&gorp.file] \ + [exec cat gorp.file] +} {{} {foo bar}} +test exec-4.3 {redirecting output and stderr to file} { + exec echo "first line" > gorp.file + list [exec sh -c "echo foo bar 1>&2" >>&gorp.file] \ + [exec cat gorp.file] +} "{} {first line\nfoo bar}" +test exec-4.4 {redirecting output and stderr to file} { + set f [open gorp.file w] + puts $f "Line 1" + flush $f + exec echo "More text" >&@ $f + exec echo >&@$f "Even more" + puts $f "Line 3" + close $f + exec cat gorp.file +} "Line 1\nMore text\nEven more\nLine 3" +test exec-4.5 {redirecting output and stderr to file} { + set f [open gorp.file w] + puts $f "Line 1" + flush $f + exec >&@ $f sh -c "echo foo bar 1>&2" + exec >&@$f sh -c "echo xyzzy 1>&2" + puts $f "Line 3" + close $f + exec cat gorp.file +} "Line 1\nfoo bar\nxyzzy\nLine 3" + +# I/O redirection: input from file. + +exec echo "Just a few thoughts" > gorp.file + +test exec-5.1 {redirecting input from file} { + exec cat < gorp.file +} {Just a few thoughts} +test exec-5.2 {redirecting input from file} { + exec cat | cat < gorp.file +} {Just a few thoughts} +test exec-5.3 {redirecting input from file} { + exec cat < gorp.file | cat +} {Just a few thoughts} +test exec-5.4 {redirecting input from file} { + exec < gorp.file cat | cat +} {Just a few thoughts} +test exec-5.5 {redirecting input from file} { + exec cat <gorp.file +} {Just a few thoughts} +test exec-5.6 {redirecting input from file} { + set f [open gorp.file r] + set result [exec cat <@ $f] + close $f + set result +} {Just a few thoughts} +test exec-5.7 {redirecting input from file} { + set f [open gorp.file r] + set result [exec <@$f cat] + close $f + set result +} {Just a few thoughts} + +# I/O redirection: standard error through a pipeline. + +test exec-6.1 {redirecting stderr through a pipeline} { + exec sh -c "echo foo bar" |& cat +} "foo bar" +test exec-6.2 {redirecting stderr through a pipeline} { + exec sh -c "echo foo bar 1>&2" |& cat +} "foo bar" +test exec-6.3 {redirecting stderr through a pipeline} { + exec sh -c "echo foo bar 1>&2" \ + |& sh -c "echo second msg 1>&2 ; cat" |& cat +} "second msg\nfoo bar" + +# I/O redirection: combinations. + +file delete gorp.file2 +test exec-7.1 {multiple I/O redirections} { + exec << "command input" > gorp.file2 cat < gorp.file + exec cat gorp.file2 +} {Just a few thoughts} +test exec-7.2 {multiple I/O redirections} { + exec < gorp.file << "command input" 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 cat << $a +} $a + +# More than 20 arguments to exec. + +test exec-8.1 {long input and output} { + exec 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} { + catch {exec gorp456} +} {1} +test exec-9.2 {commands returning errors} { + catch {exec echo foo | foo123} msg +} {1} +test exec-9.3 {commands returning errors} { + list [catch {exec sleep 1 | false | sleep 1} msg] +} {1} +test exec-9.4 {commands returning errors} { + list [catch {exec false | echo "foo bar"} msg] $msg +} {1 {foo bar}} +test exec-9.5 {commands returning errors} { + list [catch {exec gorp456 | echo a b c} msg] +} {1} +test exec-9.6 {commands returning errors} { + list [catch {exec sh -c "echo error msg 1>&2"} msg] $msg +} {0 {error msg}} +test exec-9.7 {commands returning errors} { + list [catch {exec sh -c "echo error msg 1>&2" \ + | sh -c "echo error msg 1>&2"} msg] $msg +} {0 {error msg +error msg}} + +# Errors in executing the Tcl command, as opposed to errors in the +# processes that are invoked. + +test exec-10.1 {errors in exec invocation} { + list [catch {exec} msg] +} {1} +test exec-10.2 {errors in exec invocation} { + list [catch {exec | cat} msg] $msg +} {1 {illegal use of | or |& in command}} +test exec-10.3 {errors in exec invocation} { + list [catch {exec cat |} msg] $msg +} {1 {illegal use of | or |& in command}} +test exec-10.4 {errors in exec invocation} { + list [catch {exec cat | | cat} msg] $msg +} {1 {illegal use of | or |& in command}} +test exec-10.5 {errors in exec invocation} { + list [catch {exec cat | |& cat} msg] $msg +} {1 {illegal use of | or |& in command}} +test exec-10.6 {errors in exec invocation} { + list [catch {exec cat |&} msg] $msg +} {1 {illegal use of | or |& in command}} +test exec-10.7 {errors in exec invocation} { + list [catch {exec cat <} msg] $msg +} {1 {can't specify "<" as last word in command}} +test exec-10.8 {errors in exec invocation} { + list [catch {exec cat >} msg] $msg +} {1 {can't specify ">" as last word in command}} +test exec-10.9 {errors in exec invocation} { + list [catch {exec cat <<} msg] $msg +} {1 {can't specify "<<" as last word in command}} +test exec-10.10 {errors in exec invocation} { + list [catch {exec cat >>} msg] $msg +} {1 {can't specify ">>" as last word in command}} +test exec-10.11 {errors in exec invocation} { + list [catch {exec cat >&} msg] $msg +} {1 {can't specify ">&" as last word in command}} +test exec-10.12 {errors in exec invocation} { + list [catch {exec cat >>&} msg] $msg +} {1 {can't specify ">>&" as last word in command}} +test exec-10.13 {errors in exec invocation} { + list [catch {exec cat >@} msg] $msg +} {1 {can't specify ">@" as last word in command}} +test exec-10.14 {errors in exec invocation} { + list [catch {exec cat <@} msg] $msg +} {1 {can't specify "<@" as last word in command}} +test exec-10.15 {errors in exec invocation} { + list [catch {exec cat < a/b/c} msg] [string tolower $msg] +} {1 {couldn't read file "a/b/c": no such file or directory}} +test exec-10.16 {errors in exec invocation} { + list [catch {exec cat << foo > a/b/c} msg] [string tolower $msg] +} {1 {couldn't write file "a/b/c": no such file or directory}} +test exec-10.17 {errors in exec invocation} { + list [catch {exec cat << foo > a/b/c} msg] [string tolower $msg] +} {1 {couldn't write file "a/b/c": no such file or directory}} +set f [open gorp.file w] +test exec-10.18 {errors in exec invocation} { + list [catch {exec cat <<test <@ $f} msg] +} 1 +close $f +set f [open gorp.file r] +test exec-10.19 {errors in exec invocation} { + list [catch {exec cat <<test >@ $f} msg] +} 1 +close $f + +# Commands in background. + +test exec-11.1 {commands in background} { + set x [lindex [time {exec sleep 2 &}] 0] + expr $x<1000000 +} 1 +test exec-11.2 {commands in background} { + list [catch {exec echo a &b} msg] $msg +} {0 {a &b}} +test exec-11.3 {commands in background} { + llength [exec sleep 1 &] +} 1 +test exec-11.4 {commands in background} { + llength [exec sleep 1 | sleep 1 | sleep 1 &] +} 3 + +# Make sure that background commands are properly reaped when +# they eventually die. + +exec sleep 3 + +test exec-12.1 {reaping background processes} { + for {set i 0} {$i < 20} {incr i} { + exec echo foo > /dev/null & + } + exec sleep 1 + catch {exec ps | fgrep "echo foo" | fgrep -v fgrep | wc} msg + lindex $msg 0 +} 0 + +# Redirecting standard error separately from standard output + +test exec-15.1 {standard error redirection} { + exec echo "First line" > gorp.file + list [exec sh -c "echo foo bar 1>&2" 2> gorp.file] \ + [exec cat gorp.file] +} {{} {foo bar}} +test exec-15.2 {standard error redirection} { + list [exec sh -c "echo foo bar 1>&2" \ + | echo biz baz >gorp.file 2> gorp.file2] \ + [exec cat gorp.file] \ + [exec cat gorp.file2] +} {{} {biz baz} {foo bar}} +test exec-15.3 {standard error redirection} { + list [exec sh -c "echo foo bar 1>&2" \ + | echo biz baz 2>gorp.file > gorp.file2] \ + [exec cat gorp.file] \ + [exec cat gorp.file2] +} {{} {foo bar} {biz baz}} +test exec-15.4 {standard error redirection} { + set f [open gorp.file w] + puts $f "Line 1" + flush $f + exec sh -c "echo foo bar 1>&2" 2>@ $f + puts $f "Line 3" + close $f + exec cat gorp.file +} {Line 1 +foo bar +Line 3} +test exec-15.5 {standard error redirection} { + exec echo "First line" > gorp.file + exec sh -c "echo foo bar 1>&2" 2>> gorp.file + exec cat gorp.file +} {First line +foo bar} +test exec-15.6 {standard error redirection} { + exec sh -c "echo foo bar 1>&2" > gorp.file2 2> gorp.file \ + >& gorp.file 2> gorp.file2 | echo biz baz + list [exec cat gorp.file] [exec cat gorp.file2] +} {{biz baz} {foo bar}} + +test exec-16.1 {flush output before exec} { + set f [open gorp.file w] + puts $f "First line" + exec echo "Second line" >@ $f + puts $f "Third line" + close $f + exec cat gorp.file +} {First line +Second line +Third line} + +# cleanup +file delete script gorp.file gorp.file2 +file delete echo cat wc sh sleep exit +file delete err + +testreport + |