mirror of https://github.com/moparisthebest/wget
322 lines
8.2 KiB
Perl
322 lines
8.2 KiB
Perl
# WARNING!
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# WgetTest.pm is a generated file! Do not edit! Edit WgetTest.pm.in
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# instead.
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package WgetTest;
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$VERSION = 0.01;
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use strict;
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use warnings;
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use Cwd;
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use File::Path;
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our $WGETPATH = "@abs_top_builddir@/src/wget";
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my @unexpected_downloads = ();
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{
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my %_attr_data = ( # DEFAULT
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_cmdline => "",
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_workdir => Cwd::getcwd(),
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_errcode => 0,
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_existing => {},
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_input => {},
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_name => "",
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_output => {},
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_server_behavior => {},
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);
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sub _default_for
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{
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my ($self, $attr) = @_;
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$_attr_data{$attr};
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}
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sub _standard_keys
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{
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keys %_attr_data;
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}
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}
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sub new {
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my ($caller, %args) = @_;
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my $caller_is_obj = ref($caller);
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my $class = $caller_is_obj || $caller;
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#print STDERR "class = ", $class, "\n";
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#print STDERR "_attr_data {workdir} = ", $WgetTest::_attr_data{_workdir}, "\n";
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my $self = bless {}, $class;
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foreach my $attrname ($self->_standard_keys()) {
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#print STDERR "attrname = ", $attrname, " value = ";
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my ($argname) = ($attrname =~ /^_(.*)/);
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if (exists $args{$argname}) {
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#printf STDERR "Setting up $attrname\n";
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$self->{$attrname} = $args{$argname};
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} elsif ($caller_is_obj) {
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#printf STDERR "Copying $attrname\n";
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$self->{$attrname} = $caller->{$attrname};
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} else {
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#printf STDERR "Using default for $attrname\n";
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$self->{$attrname} = $self->_default_for($attrname);
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}
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#print STDERR $attrname, '=', $self->{$attrname}, "\n";
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}
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#printf STDERR "_workdir default = ", $self->_default_for("_workdir");
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return $self;
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}
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sub run {
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my $self = shift;
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my $result_message = "Test successful.\n";
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my $errcode;
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printf "Running test $self->{_name}\n";
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# Setup
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my $new_result = $self->_setup();
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chdir ("$self->{_workdir}/$self->{_name}/input");
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if (defined $new_result) {
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$result_message = $new_result;
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$errcode = 1;
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goto cleanup;
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}
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# Launch server
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my $pid = $self->_fork_and_launch_server();
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# Call wget
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chdir ("$self->{_workdir}/$self->{_name}/output");
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my $cmdline = $self->{_cmdline};
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$cmdline = $self->_substitute_port($cmdline);
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print "Calling $cmdline\n";
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$errcode =
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($cmdline =~ m{^/.*})
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? system ($cmdline)
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: system ("$self->{_workdir}/../src/$cmdline");
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$errcode >>= 8; # XXX: should handle abnormal error codes.
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# Shutdown server
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# if we didn't explicitely kill the server, we would have to call
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# waitpid ($pid, 0) here in order to wait for the child process to
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# terminate
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kill ('TERM', $pid);
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# Verify download
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unless ($errcode == $self->{_errcode}) {
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$result_message = "Test failed: wrong code returned (was: $errcode, expected: $self->{_errcode})\n";
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goto cleanup;
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}
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my $error_str;
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if ($error_str = $self->_verify_download()) {
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$result_message = $error_str;
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}
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cleanup:
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$self->_cleanup();
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print $result_message;
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return $errcode != $self->{_errcode} || ($error_str ? 1 : 0);
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}
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sub _setup {
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my $self = shift;
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#print $self->{_name}, "\n";
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chdir ($self->{_workdir});
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# Create temporary directory
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mkdir ($self->{_name});
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chdir ($self->{_name});
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mkdir ("input");
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mkdir ("output");
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# Setup existing files
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chdir ("output");
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foreach my $filename (keys %{$self->{_existing}}) {
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open (FILE, ">$filename")
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or return "Test failed: cannot open pre-existing file $filename\n";
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my $file = $self->{_existing}->{$filename};
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print FILE $file->{content}
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or return "Test failed: cannot write pre-existing file $filename\n";
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close (FILE);
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if (exists($file->{timestamp})) {
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utime $file->{timestamp}, $file->{timestamp}, $filename
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or return "Test failed: cannot set timestamp on pre-existing file $filename\n";
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}
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}
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chdir ("../input");
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$self->_setup_server();
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chdir ($self->{_workdir});
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return;
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}
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sub _cleanup {
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my $self = shift;
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chdir ($self->{_workdir});
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File::Path::rmtree ($self->{_name}) unless $ENV{WGET_TEST_NO_CLEANUP};
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}
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# not a method
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sub quotechar {
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my $c = ord( shift );
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if ($c >= 0x7 && $c <= 0xD) {
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return '\\' . qw(a b t n v f r)[$c - 0x7];
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} else {
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return sprintf('\\x%02x', $c);
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}
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}
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# not a method
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sub _show_diff {
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my $SNIPPET_SIZE = 10;
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my ($expected, $actual) = @_;
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my $str = '';
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my $explen = length $expected;
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my $actlen = length $actual;
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if ($explen != $actlen) {
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$str .= "Sizes don't match: expected = $explen, actual = $actlen\n";
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}
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my $min = $explen <= $actlen? $explen : $actlen;
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my $line = 1;
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my $col = 1;
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my $i;
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for ($i=0; $i != $min; ++$i) {
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last if substr($expected, $i, 1) ne substr($actual, $i, 1);
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if (substr($expected, $i, 1) eq '\n') {
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$line++;
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$col = 0;
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} else {
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$col++;
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}
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}
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my $snip_start = $i - ($SNIPPET_SIZE / 2);
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if ($snip_start < 0) {
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$SNIPPET_SIZE += $snip_start; # Take it from the end.
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$snip_start = 0;
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}
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my $exp_snip = substr($expected, $snip_start, $SNIPPET_SIZE);
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my $act_snip = substr($actual, $snip_start, $SNIPPET_SIZE);
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$exp_snip =~s/[^[:print:]]/ quotechar($&) /ge;
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$act_snip =~s/[^[:print:]]/ quotechar($&) /ge;
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$str .= "Mismatch at line $line, col $col:\n";
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$str .= " $exp_snip\n";
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$str .= " $act_snip\n";
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return $str;
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}
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sub _verify_download {
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my $self = shift;
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chdir ("$self->{_workdir}/$self->{_name}/output");
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# use slurp mode to read file content
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my $old_input_record_separator = $/;
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undef $/;
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while (my ($filename, $filedata) = each %{$self->{_output}}) {
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open (FILE, $filename)
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or return "Test failed: file $filename not downloaded\n";
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my $content = <FILE>;
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my $expected_content = $filedata->{'content'};
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$expected_content = $self->_substitute_port($expected_content);
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unless ($content eq $expected_content) {
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return "Test failed: wrong content for file $filename\n"
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. _show_diff($expected_content, $content);
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}
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if (exists($filedata->{'timestamp'})) {
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my ($dev, $ino, $mode, $nlink, $uid, $gid, $rdev, $size,
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$atime, $mtime, $ctime, $blksize, $blocks) = stat FILE;
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$mtime == $filedata->{'timestamp'}
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or return "Test failed: wrong timestamp for file $filename\n";
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}
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close (FILE);
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}
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$/ = $old_input_record_separator;
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# make sure no unexpected files were downloaded
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chdir ("$self->{_workdir}/$self->{_name}/output");
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__dir_walk('.', sub { push @unexpected_downloads, $_[0] unless (exists $self->{_output}{$_[0]}) }, sub { shift; return @_ } );
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if (@unexpected_downloads) {
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return "Test failed: unexpected downloaded files [" . join(', ', @unexpected_downloads) . "]\n";
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}
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return "";
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}
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sub __dir_walk {
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my ($top, $filefunc, $dirfunc) = @_;
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my $DIR;
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if (-d $top) {
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my $file;
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unless (opendir $DIR, $top) {
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warn "Couldn't open directory $DIR: $!; skipping.\n";
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return;
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}
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my @results;
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while ($file = readdir $DIR) {
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next if $file eq '.' || $file eq '..';
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my $nextdir = $top eq '.' ? $file : "$top/$file";
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push @results, __dir_walk($nextdir, $filefunc, $dirfunc);
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}
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return $dirfunc ? $dirfunc->($top, @results) : () ;
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} else {
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return $filefunc ? $filefunc->($top) : () ;
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}
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}
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sub _fork_and_launch_server
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{
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my $self = shift;
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pipe(FROM_CHILD, TO_PARENT) or die "Cannot create pipe!";
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select((select(TO_PARENT), $| = 1)[0]);
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my $pid = fork();
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if ($pid < 0) {
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die "Cannot fork";
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} elsif ($pid == 0) {
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# child
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close FROM_CHILD;
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$self->_launch_server(sub { print TO_PARENT "SYNC\n"; close TO_PARENT });
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} else {
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# father
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close TO_PARENT;
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chomp(my $line = <FROM_CHILD>);
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close FROM_CHILD;
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}
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return $pid;
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}
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1;
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# vim: et ts=4 sw=4
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