449 lines
14 KiB
Plaintext
449 lines
14 KiB
Plaintext
# Commands covered: exec
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#
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# This file contains a collection of tests for one or more of the Tcl
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# built-in commands. Sourcing this file into Tcl runs the tests and
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# generates output for errors. No output means no errors were found.
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#
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# Copyright (c) 1991-1994 The Regents of the University of California.
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# Copyright (c) 1994-1997 Sun Microsystems, Inc.
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# Copyright (c) 1998-1999 by Scriptics Corporation.
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#
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# See the file "license.terms" for information on usage and redistribution
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# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
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#
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# RCS: @(#) $Id: exec.test,v 1.8.2.1 2001/10/17 19:29:25 das Exp $
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source [file dirname [info script]]/testing.tcl
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needs cmd exec
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needs cmd flush
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# Jim needs [pipe] to implement [open |command]
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if {[testConstraint tcl]} {
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testConstraint pipe 1
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} else {
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testCmdConstraints pipe
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}
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testConstraint unix [expr {$tcl_platform(platform) eq {unix}}]
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# Sleep which supports fractions of a second
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if {[info commands sleep] eq {}} {
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proc sleep {n} {
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exec {*}$::sleepx $n
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}
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}
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set f [open sleepx w]
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puts $f {
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sleep "$@"
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}
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close $f
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#catch {exec chmod +x sleepx}
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set sleepx [list sh sleepx]
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# Basic operations.
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test exec-1.1 {basic exec operation} {
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exec echo a b c
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} "a b c"
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test exec-1.2 {pipelining} {
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exec echo a b c d | cat | cat
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} "a b c d"
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test exec-1.3 {pipelining} {
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set a [exec echo a b c d | cat | wc]
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list [scan $a "%d %d %d" b c d] $b $c
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} {3 1 4}
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set arg {12345678901234567890123456789012345678901234567890}
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set arg "$arg$arg$arg$arg$arg$arg"
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test exec-1.4 {long command lines} {
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exec echo $arg
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} $arg
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set arg {}
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# I/O redirection: input from Tcl command.
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test exec-2.1 {redirecting input from immediate source} {
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exec cat << "Sample text"
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} {Sample text}
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test exec-2.2 {redirecting input from immediate source} {
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exec << "Sample text" cat | cat
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} {Sample text}
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test exec-2.3 {redirecting input from immediate source} {
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exec cat << "Sample text" | cat
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} {Sample text}
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test exec-2.4 {redirecting input from immediate source} {
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exec cat | cat << "Sample text"
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} {Sample text}
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test exec-2.5 {redirecting input from immediate source} {
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exec cat "<<Joined to arrows"
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} {Joined to arrows}
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test exec-2.6 {redirecting input from immediate source, with UTF} {
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# If this fails, it may give back:
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# "\uC3\uA9\uC3\uA0\uC3\uBC\uC3\uB1"
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# If it does, this means that the UTF -> external conversion did not
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# occur before writing out the temp file.
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exec cat << "\uE9\uE0\uFC\uF1"
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} "\uE9\uE0\uFC\uF1"
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test exec-2.7 {redirecting input from immediate source with nulls} {
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exec cat << "Sample\0text"
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} "Sample\0text"
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# I/O redirection: output to file.
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file delete gorp.file
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test exec-3.1 {redirecting output to file} {
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exec echo "Some simple words" > gorp.file
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exec cat gorp.file
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} "Some simple words"
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test exec-3.2 {redirecting output to file} {
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exec echo "More simple words" | >gorp.file cat | cat
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exec cat gorp.file
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} "More simple words"
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test exec-3.3 {redirecting output to file} {
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exec > gorp.file echo "Different simple words" | cat | cat
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exec cat gorp.file
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} "Different simple words"
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test exec-3.4 {redirecting output to file} {
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exec echo "Some simple words" >gorp.file
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exec cat gorp.file
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} "Some simple words"
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test exec-3.5 {redirecting output to file} {
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exec echo "First line" >gorp.file
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exec echo "Second line" >> gorp.file
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exec cat gorp.file
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} "First line\nSecond line"
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test exec-3.6 {redirecting output to file} {
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exec echo "First line" >gorp.file
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exec echo "Second line" >>gorp.file
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exec cat gorp.file
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} "First line\nSecond line"
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test exec-3.7 {redirecting output to file} {
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set f [open gorp.file w]
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puts $f "Line 1"
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flush $f
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exec echo "More text" >@ $f
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exec echo >@$f "Even more"
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puts $f "Line 3"
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close $f
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exec cat gorp.file
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} "Line 1\nMore text\nEven more\nLine 3"
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# I/O redirection: output and stderr to file.
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file delete gorp.file
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test exec-4.1 {redirecting output and stderr to file} {
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exec echo "test output" >& gorp.file
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exec cat gorp.file
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} "test output"
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test exec-4.2 {redirecting output and stderr to file} {
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list [exec sh -c "echo foo bar 1>&2" >&gorp.file] \
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[exec cat gorp.file]
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} {{} {foo bar}}
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test exec-4.3 {redirecting output and stderr to file} {
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exec echo "first line" > gorp.file
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list [exec sh -c "echo foo bar 1>&2" >>&gorp.file] \
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[exec cat gorp.file]
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} "{} {first line\nfoo bar}"
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test exec-4.4 {redirecting output and stderr to file} {
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set f [open gorp.file w]
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puts $f "Line 1"
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flush $f
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exec echo "More text" >&@ $f
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exec echo >&@$f "Even more"
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puts $f "Line 3"
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close $f
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exec cat gorp.file
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} "Line 1\nMore text\nEven more\nLine 3"
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test exec-4.5 {redirecting output and stderr to file} {
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set f [open gorp.file w]
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puts $f "Line 1"
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flush $f
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exec >&@ $f sh -c "echo foo bar 1>&2"
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exec >&@$f sh -c "echo xyzzy 1>&2"
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puts $f "Line 3"
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close $f
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exec cat gorp.file
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} "Line 1\nfoo bar\nxyzzy\nLine 3"
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# I/O redirection: input from file.
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exec echo "Just a few thoughts" > gorp.file
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test exec-5.1 {redirecting input from file} {
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exec cat < gorp.file
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} {Just a few thoughts}
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test exec-5.2 {redirecting input from file} {
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exec cat | cat < gorp.file
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} {Just a few thoughts}
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test exec-5.3 {redirecting input from file} {
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exec cat < gorp.file | cat
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} {Just a few thoughts}
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test exec-5.4 {redirecting input from file} {
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exec < gorp.file cat | cat
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} {Just a few thoughts}
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test exec-5.5 {redirecting input from file} {
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exec cat <gorp.file
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} {Just a few thoughts}
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test exec-5.6 {redirecting input from file} {
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set f [open gorp.file r]
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set result [exec cat <@ $f]
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close $f
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set result
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} {Just a few thoughts}
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test exec-5.7 {redirecting input from file} {
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set f [open gorp.file r]
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set result [exec <@$f cat]
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close $f
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set result
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} {Just a few thoughts}
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# I/O redirection: standard error through a pipeline.
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test exec-6.1 {redirecting stderr through a pipeline} {
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exec sh -c "echo foo bar" |& cat
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} "foo bar"
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test exec-6.2 {redirecting stderr through a pipeline} {
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exec sh -c "echo foo bar 1>&2" |& cat
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} "foo bar"
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test exec-6.3 {redirecting stderr through a pipeline} {
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exec sh -c "echo foo bar 1>&2" \
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|& cat |& cat
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} "foo bar"
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# I/O redirection: combinations.
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file delete gorp.file2
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test exec-7.1 {multiple I/O redirections} {
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exec << "command input" > gorp.file2 cat < gorp.file
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exec cat gorp.file2
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} {Just a few thoughts}
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test exec-7.2 {multiple I/O redirections} {
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exec < gorp.file << "command input" cat
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} {command input}
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# Long input to command and output from command.
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set a [string repeat a 1000000]
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test exec-8.1 {long input and output} {
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string length [exec cat << $a]
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} 1000000
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# More than 20 arguments to exec.
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test exec-8.1 {long input and output} {
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exec echo 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
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} {1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23}
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# Commands that return errors.
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test exec-9.1 {commands returning errors} {
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catch {exec gorp456}
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} {1}
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test exec-9.2 {commands returning errors} {
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catch {exec echo foo | foo123} msg
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} {1}
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test exec-9.3 {commands returning errors} {
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list [catch {exec {*}$sleepx 0.1 | false | {*}$sleepx 0.1} msg]
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} {1}
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test exec-9.4 {commands returning errors} jim {
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list [catch {exec false | echo "foo bar"} msg] $msg
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} {1 {foo bar}}
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test exec-9.5 {commands returning errors} {
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list [catch {exec gorp456 | echo a b c} msg]
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} {1}
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test exec-9.6 {commands returning errors} jim {
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list [catch {exec sh -c "echo error msg 1>&2"} msg] $msg
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} {0 {error msg}}
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test exec-9.7 {commands returning errors} jim {
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# Note: Use sleep here to ensure the order
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list [catch {exec sh -c "echo error msg 1 1>&2" \
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| sh -c "sleep 0.1; echo error msg 2 1>&2"} msg] $msg
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} {0 {error msg 1
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error msg 2}}
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# Errors in executing the Tcl command, as opposed to errors in the
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# processes that are invoked.
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test exec-10.1 {errors in exec invocation} {
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list [catch {exec} msg]
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} {1}
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test exec-10.2 {errors in exec invocation} {
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list [catch {exec | cat} msg] $msg
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} {1 {illegal use of | or |& in command}}
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test exec-10.3 {errors in exec invocation} {
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list [catch {exec cat |} msg] $msg
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} {1 {illegal use of | or |& in command}}
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test exec-10.4 {errors in exec invocation} {
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list [catch {exec cat | | cat} msg] $msg
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} {1 {illegal use of | or |& in command}}
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test exec-10.5 {errors in exec invocation} {
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list [catch {exec cat | |& cat} msg] $msg
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} {1 {illegal use of | or |& in command}}
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test exec-10.6 {errors in exec invocation} {
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list [catch {exec cat |&} msg] $msg
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} {1 {illegal use of | or |& in command}}
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test exec-10.7 {errors in exec invocation} {
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list [catch {exec cat <} msg] $msg
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} {1 {can't specify "<" as last word in command}}
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test exec-10.8 {errors in exec invocation} {
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list [catch {exec cat >} msg] $msg
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} {1 {can't specify ">" as last word in command}}
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test exec-10.9 {errors in exec invocation} {
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list [catch {exec cat <<} msg] $msg
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} {1 {can't specify "<<" as last word in command}}
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test exec-10.10 {errors in exec invocation} {
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list [catch {exec cat >>} msg] $msg
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} {1 {can't specify ">>" as last word in command}}
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test exec-10.11 {errors in exec invocation} {
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list [catch {exec cat >&} msg] $msg
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} {1 {can't specify ">&" as last word in command}}
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test exec-10.12 {errors in exec invocation} {
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list [catch {exec cat >>&} msg] $msg
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} {1 {can't specify ">>&" as last word in command}}
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test exec-10.13 {errors in exec invocation} {
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list [catch {exec cat >@} msg] $msg
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} {1 {can't specify ">@" as last word in command}}
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test exec-10.14 {errors in exec invocation} {
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list [catch {exec cat <@} msg] $msg
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} {1 {can't specify "<@" as last word in command}}
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test exec-10.15 {errors in exec invocation} {
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list [catch {exec cat < a/b/c} msg] [string tolower $msg]
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} {1 {couldn't read file "a/b/c": no such file or directory}}
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test exec-10.16 {errors in exec invocation} {
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list [catch {exec cat << foo > a/b/c} msg] [string tolower $msg]
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} {1 {couldn't write file "a/b/c": no such file or directory}}
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test exec-10.17 {errors in exec invocation} {
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list [catch {exec cat << foo > a/b/c} msg] [string tolower $msg]
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} {1 {couldn't write file "a/b/c": no such file or directory}}
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set f [open gorp.file w]
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test exec-10.18 {errors in exec invocation} {
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list [catch {exec cat <<test <@ $f} msg]
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} 1
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close $f
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set f [open gorp.file r]
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test exec-10.19 {errors in exec invocation} {
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list [catch {exec cat <<test >@ $f} msg]
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} 1
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close $f
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# Commands in background.
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test exec-11.1 {commands in background} {
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set x [lindex [time {exec {*}$sleepx 0.2 &}] 0]
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expr $x<1000000
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} 1
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test exec-11.2 {commands in background} {
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list [catch {exec echo a &b} msg] $msg
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} {0 {a &b}}
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test exec-11.3 {commands in background} {
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llength [exec {*}$sleepx 0.1 &]
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} 1
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test exec-11.4 {commands in background} {
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llength [exec {*}$sleepx 0.1 | {*}$sleepx 0.1 | {*}$sleepx 0.1 &]
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} 3
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# Make sure that background commands are properly reaped when
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# they eventually die.
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exec {*}$sleepx 0.3
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test exec-12.1 {reaping background processes} -constraints unix -body {
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for {set i 0} {$i < 20} {incr i} {
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exec echo foo > exec.tmp1 &
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}
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exec {*}$sleepx 0.1
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catch {exec ps | fgrep "echo foo" | fgrep -v grep | wc} msg
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lindex $msg 0
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} -cleanup {
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file delete exec.tmp1
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} -result 0
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# Redirecting standard error separately from standard output
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test exec-15.1 {standard error redirection} {
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exec echo "First line" > gorp.file
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list [exec sh -c "echo foo bar 1>&2" 2> gorp.file] \
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[exec cat gorp.file]
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} {{} {foo bar}}
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test exec-15.2 {standard error redirection} {
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list [exec sh -c "echo foo bar 1>&2" \
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| echo biz baz >gorp.file 2> gorp.file2] \
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[exec cat gorp.file] \
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[exec cat gorp.file2]
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} {{} {biz baz} {foo bar}}
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test exec-15.3 {standard error redirection} {
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list [exec sh -c "echo foo bar 1>&2" \
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| echo biz baz 2>gorp.file > gorp.file2] \
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[exec cat gorp.file] \
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[exec cat gorp.file2]
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} {{} {foo bar} {biz baz}}
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test exec-15.4 {standard error redirection} {
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set f [open gorp.file w]
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puts $f "Line 1"
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flush $f
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exec sh -c "echo foo bar 1>&2" 2>@ $f
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puts $f "Line 3"
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close $f
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exec cat gorp.file
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} {Line 1
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foo bar
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Line 3}
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test exec-15.5 {standard error redirection} {
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exec echo "First line" > gorp.file
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exec sh -c "echo foo bar 1>&2" 2>> gorp.file
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exec cat gorp.file
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} {First line
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foo bar}
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test exec-15.6 {standard error redirection} {
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exec sh -c "echo foo bar 1>&2" > gorp.file2 2> gorp.file \
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>& gorp.file 2> gorp.file2 | echo biz baz
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list [exec cat gorp.file] [exec cat gorp.file2]
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} {{biz baz} {foo bar}}
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test exec-15.7 {combine standard output/standard error} -body {
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exec sh -c "echo foo bar 1>&2" > gorp.file 2>@1
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exec cat gorp.file
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} -cleanup {
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file delete gorp.file gorp.file2
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} -result {foo bar}
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test exec-16.1 {flush output before exec} -body {
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set f [open gorp.file w]
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puts $f "First line"
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exec echo "Second line" >@ $f
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puts $f "Third line"
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close $f
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exec cat gorp.file
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} -cleanup {
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file delete gorp.file
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} -result {First line
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Second line
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Third line}
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test exec-17.1 {redirecting from command pipeline} -setup {
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makeFile "abc\nghi\njkl" gorp.file
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} -constraints pipe -body {
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set f [open "|cat gorp.file | wc -l" r]
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set result [lindex [exec cat <@$f] 0]
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close $f
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set result
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} -cleanup {
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file delete gorp.file
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} -result {3}
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test exec-17.2 {redirecting to command pipeline} -setup {
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makeFile "abc\nghi\njkl" gorp.file
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} -constraints pipe -body {
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set f [open "|wc -l >gorp2.file" w]
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exec cat gorp.file >@$f
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flush $f
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close $f
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lindex [exec cat gorp2.file] 0
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} -cleanup {
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file delete gorp.file gorp2.file
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} -result {3}
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file delete sleepx
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testreport
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