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#!/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;';
mkdir catfile('t','temp'), 0700;
plan (tests => 6 );
my $source_filename = 't/mailboxes/mailarc-1.txt';
my $mailbox_filename = 't/temp/tempmailbox';
{
print "Testing modified mailbox with Perl implementation\n";
InitializeMailbox1($source_filename,$mailbox_filename);
TestModifiedMailbox($source_filename,$mailbox_filename,0,0,
GetSecondPart1($source_filename));
}
SKIP:
{
print "Testing modified mailbox with Cache implementation\n";
skip('Storable not installed',1) unless defined $Storable::VERSION;
InitializeMailbox1($source_filename,$mailbox_filename);
InitializeCache($mailbox_filename);
TestModifiedMailbox($source_filename,$mailbox_filename,1,0,
GetSecondPart1($source_filename));
}
SKIP:
{
print "Testing modified mailbox with Grep implementation\n";
skip('GNU grep not available',1)
unless defined $Mail::Mbox::MessageParser::Config{'programs'}{'grep'};
InitializeMailbox1($source_filename,$mailbox_filename);
TestModifiedMailbox($source_filename,$mailbox_filename,0,1,
GetSecondPart1($source_filename));
}
{
print "Testing modified mailbox with Perl implementation\n";
InitializeMailbox2($source_filename,$mailbox_filename);
TestModifiedMailbox($source_filename,$mailbox_filename,0,0,
GetSecondPart2($source_filename));
}
SKIP:
{
print "Testing modified mailbox with Cache implementation\n";
skip('Storable not installed',1) unless defined $Storable::VERSION;
InitializeMailbox2($source_filename,$mailbox_filename);
InitializeCache($mailbox_filename);
TestModifiedMailbox($source_filename,$mailbox_filename,1,0,
GetSecondPart2($source_filename));
}
SKIP:
{
print "Testing modified mailbox with Grep implementation\n";
skip('GNU grep not available',1)
unless defined $Mail::Mbox::MessageParser::Config{'programs'}{'grep'};
InitializeMailbox2($source_filename,$mailbox_filename);
TestModifiedMailbox($source_filename,$mailbox_filename,0,1,
GetSecondPart2($source_filename));
}
# ---------------------------------------------------------------------------
sub InitializeMailbox1
{
my $source_filename = shift;
my $mailbox_filename = shift;
open SOURCE, $source_filename;
local $/ = undef;
my $mail = <SOURCE>;
close SOURCE;
my ($firstpart) = $mail =~ /(.*)From .*/s;
open MAILBOX, ">$mailbox_filename";
print MAILBOX $firstpart;
close MAILBOX;
}
# ---------------------------------------------------------------------------
sub InitializeMailbox2
{
my $source_filename = shift;
my $mailbox_filename = shift;
open SOURCE, $source_filename;
local $/ = undef;
my $mail = <SOURCE>;
close SOURCE;
my ($firstpart) = $mail =~ /(..*?)From .*/s;
open MAILBOX, ">$mailbox_filename";
print MAILBOX $firstpart;
close MAILBOX;
}
# ---------------------------------------------------------------------------
sub TestModifiedMailbox
{
my $source_filename = shift;
my $mailbox_filename = shift;
my $enable_cache = shift;
my $enable_grep = shift;
my $second_part = shift;
my $testname = [splitdir($0)]->[-1];
$testname =~ s/\.t//;
my ($folder_name) = $source_filename =~ /\/([^\/\\]*)\.txt$/;
my $output_filename = catfile('t','temp',
"${testname}_${folder_name}_${enable_cache}_${enable_grep}.stdout");
my $output = new FileHandle(">$output_filename");
binmode $output;
my $filehandle = new FileHandle($mailbox_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' => $mailbox_filename,
'file_handle' => $filehandle,
'enable_cache' => $enable_cache,
'enable_grep' => $enable_grep,
} );
die $folder_reader unless ref $folder_reader;
print $output $folder_reader->prologue;
# Read just 1 email
print $output ${$folder_reader->read_next_email()};
AppendToMailbox($mailbox_filename, $second_part);
# This is the main loop. It's executed once for each email
while(!$folder_reader->end_of_file())
{
print $output ${ $folder_reader->read_next_email() };
}
$output->close();
CheckDiffs([$source_filename,$output_filename]);
}
# ---------------------------------------------------------------------------
sub GetSecondPart1
{
my $source_filename = shift;
open SOURCE, $source_filename;
local $/ = undef;
my $mail = <SOURCE>;
close SOURCE;
my ($secondpart) = $mail =~ /.*(From .*)/s;
return $secondpart;
}
# ---------------------------------------------------------------------------
sub GetSecondPart2
{
my $source_filename = shift;
open SOURCE, $source_filename;
local $/ = undef;
my $mail = <SOURCE>;
close SOURCE;
my ($secondpart) = $mail =~ /..*?(From .*)/s;
return $secondpart;
}
# ---------------------------------------------------------------------------
sub AppendToMailbox
{
my $mailbox_filename = shift;
my $email = shift;
open MAILBOX, ">>$mailbox_filename";
print MAILBOX $email;
close MAILBOX;
}
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