#!/usr/bin/env perl
#
# Test reading of MH folders.
#
use strict;
use warnings;
use lib qw(. .. tests);
use Tools;
use Test::More tests => 27;
use File::Compare;
use File::Copy;
use Mail::Box::MH;
use Mail::Box::Mbox;
my $mhsrc = File::Spec->catfile('folders', 'mh.src');
unpack_mbox2mh($src, $mhsrc);
ok(Mail::Box::MH->foundIn($mhsrc));
my $folder = new Mail::Box::MH
( folder => $mhsrc
, lock_type => 'NONE'
, extract => 'LAZY'
, access => 'rw'
);
ok(defined $folder);
# We skipped message number 13 in the production, but that shouldn't
# distrub things.
cmp_ok($folder->messages, "==", 45);
is($folder->organization, 'DIRECTORY');
#
# No single head should be read now, because extract == LAZY
# the default.
#
my $heads = 0;
foreach ($folder->messages)
{ $heads++ unless $_->head->isDelayed;
}
cmp_ok($heads, "==", 0);
#
# Loading a header should not be done unless really necessary.
#
my $message = $folder->message(7);
ok($message->head->isDelayed);
ok($message->filename); # already known, but should not trigger header
ok($message->head->isDelayed);
#
# Nothing should be parsed yet
#
my $parsed = 0;
foreach ($folder->messages)
{ $parsed++ if $_->isParsed;
}
cmp_ok($parsed, "==", 0);
#
# Trigger one message to get read.
#
ok($message->body->string); # trigger body loading.
ok($message->isParsed);
#
# Test taking header
#
$message = $folder->message(8);
ok(defined $message->head->get('subject'));
ok(not $message->isParsed);
is(ref $message->head, 'Mail::Message::Head::Complete');
# This shouldn't cause any parsings: we do lazy extract, but Mail::Box
# will always take the `Subject' header for us.
my @subjects = map { chomp; $_ }
map {$_->head->get('subject') || '<undef>' }
$folder->messages;
$parsed = 0;
$heads = 0;
foreach ($folder->messages)
{ $parsed++ unless $_->isDelayed;
$heads++ unless $_->head->isDelayed;
}
cmp_ok($parsed, "==", 1); # message 7
cmp_ok($heads, "==", 45);
#
# The subjects must be the same as from the original Mail::Box::Mbox
# There are some differences with new-lines at the end of headerlines
#
my $mbox = Mail::Box::Mbox->new
( folder => $src
, folderdir => 't'
, lock_type => 'NONE'
, access => 'r'
);
my @fsubjects = map { chomp; $_ }
map {$_->head->get('subject') || '<undef>'}
$mbox->messages;
my (%subjects);
$subjects{$_}++ foreach @subjects;
$subjects{$_}-- foreach @fsubjects;
my $missed = 0;
foreach (keys %subjects)
{ $missed++ if $subjects{$_};
warn "Still left: $_ ($subjects{$_}x)\n" if $subjects{$_};
}
ok(!$missed);
#
# Check if we can read a body.
#
my $msg3 = $folder->message(3);
my $body = $msg3->body;
ok(defined $body);
cmp_ok(@$body, "==", 42); # check expected number of lines in message 4.
$folder->close;
#
# Now with partially lazy extract.
#
my $parse_size = 5000;
$folder = new Mail::Box::MH
( folder => $mhsrc
, folderdir => 't'
, lock_type => 'NONE'
, extract => $parse_size # messages > $parse_size bytes stay unloaded.
, access => 'rw'
);
ok(defined $folder);
cmp_ok($folder->messages, "==", 45);
$parsed = 0;
$heads = 0;
my $mistake = 0;
foreach ($folder->messages)
{ $parsed++ unless $_->isDelayed;
$heads++ unless $_->head->isDelayed;
$mistake++ if !$_->isDelayed && $_->size > $parse_size;
}
ok(not $mistake);
ok(not $parsed);
ok(not $heads);
foreach (5..13)
{ $folder->message($_)->head->get('subject');
}
$parsed = 0;
$heads = 0;
$mistake = 0;
foreach ($folder->messages)
{ $parsed++ unless $_->isDelayed;
$heads++ unless $_->head->isDelayed;
$mistake++ if !$_->isDelayed && $_->body->size > $parse_size;
}
ok(not $mistake);
cmp_ok($parsed , "==", 7);
cmp_ok($heads , "==", 9);
# No clean-dir: see how it behaves when the folder is not explictly
# closed before the program terminates. Terrible things can happen
# during auto-cleanup
#clean_dir $mhsrc;