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wget/tests/Test.pm

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4.8 KiB
Perl
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#!/usr/bin/perl -w
package Test;
$VERSION = 0.01;
use strict;
use Cwd;
use File::Path;
my @unexpected_downloads = ();
{
my %_attr_data = ( # DEFAULT
_cmdline => "",
_cwd => Cwd::getcwd(),
_errcode => 0,
_input => {},
_name => "",
_output => {},
);
sub _default_for
{
my ($self, $attr) = @_;
$_attr_data{$attr};
}
sub _standard_keys
{
keys %_attr_data;
}
}
sub new {
my ($caller, %args) = @_;
my $caller_is_obj = ref($caller);
my $class = $caller_is_obj || $caller;
#print STDERR "class = ", $class, "\n";
#print STDERR "_attr_data {cwd} = ", $Test::_attr_data{_cwd}, "\n";
my $self = bless {}, $class;
foreach my $attrname ($self->_standard_keys()) {
#print STDERR "attrname = ", $attrname, " value = ";
my ($argname) = ($attrname =~ /^_(.*)/);
if (exists $args{$argname}) {
#printf STDERR "Setting up $attrname\n";
$self->{$attrname} = $args{$argname};
} elsif ($caller_is_obj) {
#printf STDERR "Copying $attrname\n";
$self->{$attrname} = $caller->{$attrname};
} else {
#printf STDERR "Using default for $attrname\n";
$self->{$attrname} = $self->_default_for($attrname);
}
#print STDERR $attrname, '=', $self->{$attrname}, "\n";
}
#printf STDERR "_cwd default = ", $self->_default_for("_cwd");
return $self;
}
sub run {
my $self = shift;
my $result_message = "Test successful.\n";
printf "Running test $self->{_name}\n";
# Setup
$self->_setup();
chdir ("$self->{_cwd}/$self->{_name}/input");
# Launch server
my $pid = fork();
if($pid == 0) {
$self->_launch_server();
}
# print STDERR "Spawned server with pid: $pid\n";
# Call wget
chdir ("$self->{_cwd}/$self->{_name}/output");
# print "Calling $self->{_cmdline}\n";
my $errcode = system ("$self->{_cwd}/../src/$self->{_cmdline}");
# Shutdown server
kill ('TERM', $pid);
# print "Killed server\n";
# Verify download
unless ($errcode == $self->{_errcode}) {
$result_message = "Test failed: wrong code returned (was: $errcode, expected: $self->{_errcode})\n";
}
if (my $error_str = $self->_verify_download()) {
$result_message = $error_str;
}
# Cleanup
$self->_cleanup();
print $result_message;
}
sub _setup {
my $self = shift;
#print $self->{_name}, "\n";
chdir ($self->{_cwd});
# Create temporary directory
mkdir ($self->{_name});
chdir ($self->{_name});
mkdir ("input");
mkdir ("output");
chdir ("input");
$self->_setup_server();
chdir ($self->{_cwd});
}
sub _cleanup {
my $self = shift;
chdir ($self->{_cwd});
File::Path::rmtree ($self->{_name});
}
sub _verify_download {
my $self = shift;
chdir ("$self->{_cwd}/$self->{_name}/output");
# use slurp mode to read file content
my $old_input_record_separator = $/;
undef $/;
while (my ($filename, $filedata) = each %{$self->{_output}}) {
open (FILE, $filename)
or return "Test failed: file $filename not downloaded\n";
my $content = <FILE>;
$content eq $filedata->{'content'}
or return "Test failed: wrong content for file $filename\n";
if (exists($filedata->{'timestamp'})) {
my ($dev, $ino, $mode, $nlink, $uid, $gid, $rdev, $size,
$atime, $mtime, $ctime, $blksize, $blocks) = stat FILE;
$mtime == $filedata->{'timestamp'}
or return "Test failed: wrong timestamp for file $filename\n";
}
close (FILE);
}
$/ = $old_input_record_separator;
# make sure no unexpected files were downloaded
chdir ("$self->{_cwd}/$self->{_name}/output");
__dir_walk('.', sub { push @unexpected_downloads, $_[0] unless (exists $self->{_output}{$_[0]}) }, sub { shift; return @_ } );
if (@unexpected_downloads) {
return "Test failed: unexpected downloaded files [" . join(', ', @unexpected_downloads) . "]\n";
}
return "";
}
sub __dir_walk {
my ($top, $filefunc, $dirfunc) = @_;
my $DIR;
if (-d $top) {
my $file;
unless (opendir $DIR, $top) {
warn "Couldn't open directory $DIR: $!; skipping.\n";
return;
}
my @results;
while ($file = readdir $DIR) {
next if $file eq '.' || $file eq '..';
my $nextdir = $top eq '.' ? $file : "$top/$file";
push @results, __dir_walk($nextdir, $filefunc, $dirfunc);
}
return $dirfunc ? $dirfunc->($top, @results) : () ;
} else {
return $filefunc ? $filefunc->($top) : () ;
}
}
1;
# vim: et ts=4 sw=4