#!/usr/bin/perl
# Test that we can reset a file midway through parsing.
use strict;
use Test::More;
use lib 't';
use Mail::Mbox::MessageParser;
use Mail::Mbox::MessageParser::Config;
use File::Spec::Functions qw(:ALL);
use Test::Utils;
use FileHandle;
eval 'require Storable;';
my @files = <t/mailboxes/*.txt>;
@files = grep { $_ ne 't/mailboxes/vm-emacs.txt' } @files;
mkdir catfile('t','temp'), 0700;
plan (tests => 6 * scalar (@files));
foreach my $filename (@files)
{
print "Testing filename: $filename\n";
print "Testing partial mailbox reset with Perl implementation\n";
TestPartialRead($filename,0,0);
SKIP:
{
print "Testing partial mailbox reset with Cache implementation\n";
skip('Storable not installed',1) unless defined $Storable::VERSION;
InitializeCache($filename);
TestPartialRead($filename,1,0);
}
SKIP:
{
print "Testing partial mailbox reset with Grep implementation\n";
skip('GNU grep not available',1)
unless defined $Mail::Mbox::MessageParser::Config{'programs'}{'grep'};
TestPartialRead($filename,0,1);
}
print "Testing full mailbox reset with Perl implementation\n";
TestFullRead($filename,0,0);
SKIP:
{
print "Testing full mailbox reset with Cache implementation\n";
skip('Storable not installed',1) unless defined $Storable::VERSION;
TestFullRead($filename,1,0);
}
SKIP:
{
print "Testing full mailbox reset with Grep implementation\n";
skip('GNU grep not available',1)
unless defined $Mail::Mbox::MessageParser::Config{'programs'}{'grep'};
TestFullRead($filename,0,1);
}
}
# ---------------------------------------------------------------------------
sub TestPartialRead
{
my $filename = shift;
my $enable_cache = shift;
my $enable_grep = shift;
my $testname = [splitdir($0)]->[-1];
$testname =~ s#\.t##;
my ($folder_name) = $filename =~ /\/([^\/\\]*)\.txt$/;
my $output_filename = catfile('t','temp',
"${testname}_${folder_name}_${enable_cache}_${enable_grep}.stdout");
my $output = new FileHandle(">$output_filename");
binmode $output;
my $filehandle = new FileHandle($filename);
my $cache_file = catfile('t','temp','cache');
Mail::Mbox::MessageParser::SETUP_CACHE({'file_name' => $cache_file})
if $enable_cache;
my $folder_reader =
new Mail::Mbox::MessageParser( {
'file_name' => $filename,
'file_handle' => $filehandle,
'enable_cache' => $enable_cache,
'enable_grep' => $enable_grep,
} );
die $folder_reader unless ref $folder_reader;
# Read just 1 email
$folder_reader->read_next_email();
$folder_reader->reset();
print $output $folder_reader->prologue;
# This is the main loop. It's executed once for each email
while(!$folder_reader->end_of_file())
{
my $email = $folder_reader->read_next_email();
print $output
"number: " . $folder_reader->number() . $folder_reader->endline() .
"line: " . $folder_reader->line_number() . $folder_reader->endline() .
"offset: " . $folder_reader->offset() . $folder_reader->endline() .
"bytes: " . $folder_reader->length() . $folder_reader->endline() .
$$email;
}
$output->close();
my $compare_filename =
catfile('t','results',"${testname}_${folder_name}.stdout");
CheckDiffs([$compare_filename,$output_filename]);
}
# ---------------------------------------------------------------------------
sub TestFullRead
{
my $filename = shift;
my $enable_cache = shift;
my $enable_grep = shift;
my $testname = [splitdir($0)]->[-1];
$testname =~ s#\.t##;
my ($folder_name) = $filename =~ /\/([^\/\\]*)\.txt$/;
my $output_filename =
catfile('t','temp',"${testname}_${folder_name}_${enable_cache}_${enable_grep}.stdout");
my $output = new FileHandle(">$output_filename");
binmode $output;
my $filehandle = new FileHandle($filename);
my $cache_file = catfile('t','temp','cache');
Mail::Mbox::MessageParser::SETUP_CACHE({'file_name' => $cache_file})
if $enable_cache;
my $folder_reader =
new Mail::Mbox::MessageParser( {
'file_name' => $filename,
'file_handle' => $filehandle,
'enable_cache' => $enable_cache,
'enable_grep' => $enable_grep,
} );
die $folder_reader unless ref $folder_reader;
# Read whole mailbox
while(!$folder_reader->end_of_file())
{
$folder_reader->read_next_email();
}
$folder_reader->reset();
print $output $folder_reader->prologue;
# This is the main loop. It's executed once for each email
while(!$folder_reader->end_of_file())
{
my $email = $folder_reader->read_next_email();
print $output
"number: " . $folder_reader->number() . $folder_reader->endline() .
"line: " . $folder_reader->line_number() . $folder_reader->endline() .
"offset: " . $folder_reader->offset() . $folder_reader->endline() .
"bytes: " . $folder_reader->length() . $folder_reader->endline() .
$$email;
}
$output->close();
my $compare_filename =
catfile('t','results',"${testname}_${folder_name}.stdout");
CheckDiffs([$compare_filename,$output_filename]);
}
# ---------------------------------------------------------------------------