tests

实战Linux编程的原代码,希望对学驱动的人能有所帮助

#!/bin/sh

: ${PERL=perl}
: ${srcdir=.}

case "$PERL" in
  *'missing perl')
  echo 1>&2 "$0: configure didn't find a usable version of Perl, so can't run this test"
  exit 77
  ;;
esac

exec $PERL -w -I$srcdir/.. -MFetish -- - << \EOF
require 5.003;
use strict;

(my $program_name = $0) =~ s|.*/||;

# Turn off localisation of executable's ouput.
@ENV{qw(LANGUAGE LANG LC_ALL)} = ('C') x 3;

warn "PATH=$ENV{PATH}\n";

my $mkdir = {PRE => sub {mkdir 'd',0755 or die "d: $!\n"}};
my $rmdir = {POST => sub {rmdir 'd' or die "d: $!\n"}};

my $mkdir2 = {PRE => sub {mkdir 'd',0755 or die "d: $!\n";
			  mkdir 'd/e',0755 or die "d/e: $!\n" }};
my $rmdir2 = {POST => sub {rmdir 'd/e' or die "d/e: $!\n";
			   rmdir 'd' or die "d: $!\n" }};

my $slink_d = {PRE => sub {symlink '/', 'd' or die "d: $!\n";
                           $ENV{LS_COLORS}='ln=01;36:di=01;34:or=40;31;01'
                           }};
my $unlink_d = {POST => sub {unlink 'd' or die "d: $!\n"}};

sub make_j_d ()
{
  mkdir 'j', 0700 or die "creating j: $!\n";
  (open F, '>j/d') && close F or die "creating j/d: $!\n";
  chmod 0555, 'j/d' or die "making j/d executable: $!\n";
}

my $exe_in_subdir = {PRE => sub { make_j_d (); $ENV{LS_COLORS}='ex=01;32' }};
my $remove_j = {POST => sub {unlink 'j/d' or die "j/d: $!\n";
                             rmdir 'j' or die "j: $!\n" }};

my $q_bell = {IN => {"q\a" => ''}};
my @Tests =
    (
     # test-name options input expected-output
     #
     # quoting tests............................................
     ['q-',        $q_bell, {OUT => "q\a\n"}, {EXIT => 0}],
     ['q-N', '-N', $q_bell, {OUT => "q\a\n"}, {ERR => ''}],
     ['q-q', '-q', $q_bell, {OUT => "q?\n"}],
     ['q-Q', '-Q', $q_bell, {OUT => "\"q\\a\"\n"}],

     ['q-lit-q', '--quoting=literal -q',     $q_bell, {OUT => "q?\n"}],
     ['q-qs-lit', '--quoting=literal',       $q_bell, {OUT => "q\a\n"}],
     ['q-qs-sh', '--quoting=shell',          $q_bell, {OUT => "q\a\n"}],
     ['q-qs-sh-a', '--quoting=shell-always', $q_bell, {OUT => "'q\a'\n"}],
     ['q-qs-c', '--quoting=c',               $q_bell, {OUT => "\"q\\a\"\n"}],
     ['q-qs-esc', '--quoting=escape',        $q_bell, {OUT => "q\\a\n"}],
     ['q-qs-c-1', '--quoting=c',
      {IN => {"t\004" => ''}}, {OUT => "\"t\\004\"\n"}],

     ['emptydir', 'd',  {OUT => ''}, $mkdir, $rmdir],
     ['emptydir-x2', 'd d',  {OUT => "d:\n\nd:\n"}, $mkdir, $rmdir],
     ['emptydir-R', '-R d',  {OUT => "d:\n"}, $mkdir, $rmdir],

     # test `ls -R .' ............................................
     ['R-dot', '--ignore="[a-ce-zA-Z]*" -R .',  {OUT => ".:\nd\n\n\./d:\n"},
      $mkdir, $rmdir],

     ['slink-dir-F',     '-F d', {OUT => "d@\n"}, $slink_d, $unlink_d],
     ['slink-dir-dF',   '-dF d', {OUT => "d@\n"}, $slink_d, $unlink_d],
     ['slinkdir-dFH',  '-dFH d', {OUT => "d/\n"}, $slink_d, $unlink_d],
     ['slinkdir-dFL',  '-dFL d', {OUT => "d/\n"}, $slink_d, $unlink_d],

     # Test for a bug that was fixed in coreutils-4.5.4.
     ['sl-F-color', '-F --color=always d',
				 {OUT => "\e[0m\e[01;36md\e[0m\@\n\e[m"},
				  $slink_d, $unlink_d],
     ['sl-dF-color', '-dF --color=always d',
				 {OUT => "\e[0m\e[01;36md\e[0m\@\n\e[m"},
				  $slink_d, $unlink_d],

     # Test for a bug that was introduced in coreutils-4.5.4; fixed in 4.5.5.
     # To demonstrate it, the file in question (with executable bit set)
     # must not be a command line argument.
     ['color-exe1', '--color=always j',
				 {OUT => "\e[0m\e[01;32md\e[0m\n\e[m"},
				  $exe_in_subdir, $remove_j],

     # From St閜hane Chazelas.
     ['no-a-isdir-b', 'no-dir d',
	 {OUT => "d:\n"},
	 {ERR => "ls: no-dir: No such file or directory\n"},
	 $mkdir, $rmdir, {EXIT => 1}],

     ['recursive-2', '-R d', {OUT => "d:\ne\n\nd/e:\n"}, $mkdir2, $rmdir2],
    );

my $save_temps = $ENV{SAVE_TEMPS};
my $verbose = $ENV{VERBOSE};

my $prog = $ENV{PROG} || die "$0: \$PROG not specified in environment\n";
my $fail = run_tests ($program_name, $prog, \@Tests, $save_temps, $verbose);
exit $fail;
EOF