diff options
Diffstat (limited to 'contrib/perl5/t/lib/db-hash.t')
| -rwxr-xr-x | contrib/perl5/t/lib/db-hash.t | 277 |
1 files changed, 273 insertions, 4 deletions
diff --git a/contrib/perl5/t/lib/db-hash.t b/contrib/perl5/t/lib/db-hash.t index e74847226314..c52d8ae9ddef 100755 --- a/contrib/perl5/t/lib/db-hash.t +++ b/contrib/perl5/t/lib/db-hash.t @@ -1,10 +1,10 @@ #!./perl -w BEGIN { - @INC = '../lib' if -d '../lib' ; + unshift @INC, '../lib' if -d '../lib' ; require Config; import Config; if ($Config{'extensions'} !~ /\bDB_File\b/) { - print "1..0\n"; + print "1..0 # Skip: DB_File was not built\n"; exit 0; } } @@ -12,7 +12,7 @@ BEGIN { use DB_File; use Fcntl; -print "1..62\n"; +print "1..109\n"; sub ok { @@ -23,7 +23,40 @@ sub ok print "ok $no\n" ; } -$Dfile = "dbhash.tmp"; +{ + package Redirect ; + use Symbol ; + + sub new + { + my $class = shift ; + my $filename = shift ; + my $fh = gensym ; + open ($fh, ">$filename") || die "Cannot open $filename: $!" ; + my $real_stdout = select($fh) ; + return bless [$fh, $real_stdout ] ; + + } + sub DESTROY + { + my $self = shift ; + close $self->[0] ; + select($self->[1]) ; + } +} + +sub docat_del +{ + my $file = shift; + local $/ = undef; + open(CAT,$file) || die "Cannot open $file: $!"; + my $result = <CAT>; + close(CAT); + unlink $file ; + return $result; +} + +my $Dfile = "dbhash.tmp"; unlink $Dfile; umask(0); @@ -164,6 +197,8 @@ ok(25, $#keys == 31) ; $h{'foo'} = ''; ok(26, $h{'foo'} eq '' ); +# Berkeley DB 2 from version 2.4.10 onwards does not allow null keys. +# This feature will be reenabled in a future version of Berkeley DB. #$h{''} = 'bar'; #ok(27, $h{''} eq 'bar' ); ok(27,1) ; @@ -413,4 +448,238 @@ EOM unlink "SubDB.pm", "dbhash.tmp" ; } + +{ + # DBM Filter tests + use strict ; + my (%h, $db) ; + my ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; + unlink $Dfile; + + sub checkOutput + { + my($fk, $sk, $fv, $sv) = @_ ; + return + $fetch_key eq $fk && $store_key eq $sk && + $fetch_value eq $fv && $store_value eq $sv && + $_ eq 'original' ; + } + + ok(63, $db = tie(%h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $DB_HASH ) ); + + $db->filter_fetch_key (sub { $fetch_key = $_ }) ; + $db->filter_store_key (sub { $store_key = $_ }) ; + $db->filter_fetch_value (sub { $fetch_value = $_}) ; + $db->filter_store_value (sub { $store_value = $_ }) ; + + $_ = "original" ; + + $h{"fred"} = "joe" ; + # fk sk fv sv + ok(64, checkOutput( "", "fred", "", "joe")) ; + + ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; + ok(65, $h{"fred"} eq "joe"); + # fk sk fv sv + ok(66, checkOutput( "", "fred", "joe", "")) ; + + ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; + ok(67, $db->FIRSTKEY() eq "fred") ; + # fk sk fv sv + ok(68, checkOutput( "fred", "", "", "")) ; + + # replace the filters, but remember the previous set + my ($old_fk) = $db->filter_fetch_key + (sub { $_ = uc $_ ; $fetch_key = $_ }) ; + my ($old_sk) = $db->filter_store_key + (sub { $_ = lc $_ ; $store_key = $_ }) ; + my ($old_fv) = $db->filter_fetch_value + (sub { $_ = "[$_]"; $fetch_value = $_ }) ; + my ($old_sv) = $db->filter_store_value + (sub { s/o/x/g; $store_value = $_ }) ; + + ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; + $h{"Fred"} = "Joe" ; + # fk sk fv sv + ok(69, checkOutput( "", "fred", "", "Jxe")) ; + + ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; + ok(70, $h{"Fred"} eq "[Jxe]"); + # fk sk fv sv + ok(71, checkOutput( "", "fred", "[Jxe]", "")) ; + + ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; + ok(72, $db->FIRSTKEY() eq "FRED") ; + # fk sk fv sv + ok(73, checkOutput( "FRED", "", "", "")) ; + + # put the original filters back + $db->filter_fetch_key ($old_fk); + $db->filter_store_key ($old_sk); + $db->filter_fetch_value ($old_fv); + $db->filter_store_value ($old_sv); + + ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; + $h{"fred"} = "joe" ; + ok(74, checkOutput( "", "fred", "", "joe")) ; + + ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; + ok(75, $h{"fred"} eq "joe"); + ok(76, checkOutput( "", "fred", "joe", "")) ; + + ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; + ok(77, $db->FIRSTKEY() eq "fred") ; + ok(78, checkOutput( "fred", "", "", "")) ; + + # delete the filters + $db->filter_fetch_key (undef); + $db->filter_store_key (undef); + $db->filter_fetch_value (undef); + $db->filter_store_value (undef); + + ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; + $h{"fred"} = "joe" ; + ok(79, checkOutput( "", "", "", "")) ; + + ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; + ok(80, $h{"fred"} eq "joe"); + ok(81, checkOutput( "", "", "", "")) ; + + ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; + ok(82, $db->FIRSTKEY() eq "fred") ; + ok(83, checkOutput( "", "", "", "")) ; + + undef $db ; + untie %h; + unlink $Dfile; +} + +{ + # DBM Filter with a closure + + use strict ; + my (%h, $db) ; + + unlink $Dfile; + ok(84, $db = tie(%h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $DB_HASH ) ); + + my %result = () ; + + sub Closure + { + my ($name) = @_ ; + my $count = 0 ; + my @kept = () ; + + return sub { ++$count ; + push @kept, $_ ; + $result{$name} = "$name - $count: [@kept]" ; + } + } + + $db->filter_store_key(Closure("store key")) ; + $db->filter_store_value(Closure("store value")) ; + $db->filter_fetch_key(Closure("fetch key")) ; + $db->filter_fetch_value(Closure("fetch value")) ; + + $_ = "original" ; + + $h{"fred"} = "joe" ; + ok(85, $result{"store key"} eq "store key - 1: [fred]"); + ok(86, $result{"store value"} eq "store value - 1: [joe]"); + ok(87, ! defined $result{"fetch key"} ); + ok(88, ! defined $result{"fetch value"} ); + ok(89, $_ eq "original") ; + + ok(90, $db->FIRSTKEY() eq "fred") ; + ok(91, $result{"store key"} eq "store key - 1: [fred]"); + ok(92, $result{"store value"} eq "store value - 1: [joe]"); + ok(93, $result{"fetch key"} eq "fetch key - 1: [fred]"); + ok(94, ! defined $result{"fetch value"} ); + ok(95, $_ eq "original") ; + + $h{"jim"} = "john" ; + ok(96, $result{"store key"} eq "store key - 2: [fred jim]"); + ok(97, $result{"store value"} eq "store value - 2: [joe john]"); + ok(98, $result{"fetch key"} eq "fetch key - 1: [fred]"); + ok(99, ! defined $result{"fetch value"} ); + ok(100, $_ eq "original") ; + + ok(101, $h{"fred"} eq "joe"); + ok(102, $result{"store key"} eq "store key - 3: [fred jim fred]"); + ok(103, $result{"store value"} eq "store value - 2: [joe john]"); + ok(104, $result{"fetch key"} eq "fetch key - 1: [fred]"); + ok(105, $result{"fetch value"} eq "fetch value - 1: [joe]"); + ok(106, $_ eq "original") ; + + undef $db ; + untie %h; + unlink $Dfile; +} + +{ + # DBM Filter recursion detection + use strict ; + my (%h, $db) ; + unlink $Dfile; + + ok(107, $db = tie(%h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $DB_HASH ) ); + + $db->filter_store_key (sub { $_ = $h{$_} }) ; + + eval '$h{1} = 1234' ; + ok(108, $@ =~ /^recursion detected in filter_store_key at/ ); + + undef $db ; + untie %h; + unlink $Dfile; +} + + +{ + # Examples from the POD + + my $file = "xyzt" ; + { + my $redirect = new Redirect $file ; + + use strict ; + use DB_File ; + use vars qw( %h $k $v ) ; + + unlink "fruit" ; + tie %h, "DB_File", "fruit", O_RDWR|O_CREAT, 0640, $DB_HASH + or die "Cannot open file 'fruit': $!\n"; + + # Add a few key/value pairs to the file + $h{"apple"} = "red" ; + $h{"orange"} = "orange" ; + $h{"banana"} = "yellow" ; + $h{"tomato"} = "red" ; + + # Check for existence of a key + print "Banana Exists\n\n" if $h{"banana"} ; + + # Delete a key/value pair. + delete $h{"apple"} ; + + # print the contents of the file + while (($k, $v) = each %h) + { print "$k -> $v\n" } + + untie %h ; + + unlink "fruit" ; + } + + ok(109, docat_del($file) eq <<'EOM') ; +Banana Exists + +orange -> orange +tomato -> red +banana -> yellow +EOM + +} + exit ; |