5 use Test::More tests => 29;
7 use File::Temp qw( tempfile tempdir );
11 my $dir = tempdir( CLEANUP => 1 );
12 my ($fh, $filename) = tempfile( 'tmpXXXX', UNLINK => 1, DIR => $dir );
13 my $db = DBM::Deep->new( $filename );
18 $db->{key1} = "value1";
19 is( $db->get("key1"), "value1", "get() works with hash assignment" );
20 is( $db->fetch("key1"), "value1", "... fetch() works with hash assignment" );
21 is( $db->{key1}, "value1", "... and hash-access also works" );
23 $db->put("key2", undef);
24 is( $db->get("key2"), undef, "get() works with put()" );
25 is( $db->fetch("key2"), undef, "... fetch() works with put()" );
26 is( $db->{key2}, undef, "... and hash-access also works" );
28 $db->store( "key3", "value3" );
29 is( $db->get("key3"), "value3", "get() works with store()" );
30 is( $db->fetch("key3"), "value3", "... fetch() works with put()" );
31 is( $db->{key3}, 'value3', "... and hash-access also works" );
33 ok( $db->exists("key1"), "exists() function works" );
34 ok( exists $db->{key2}, "exists() works against tied hash" );
39 is( scalar keys %$db, 3, "keys() works against tied hash" );
45 while ( my ($key, $value) = each %$db ) {
46 $temphash->{$key} = $value;
49 is( $temphash->{key1}, 'value1', "First key copied successfully using tied interface" );
50 is( $temphash->{key2}, undef, "Second key copied successfully" );
51 is( $temphash->{key3}, 'value3', "Third key copied successfully" );
54 my $key = $db->first_key();
56 $temphash->{$key} = $db->get($key);
57 $key = $db->next_key($key);
60 is( $temphash->{key1}, 'value1', "First key copied successfully using OO interface" );
61 is( $temphash->{key2}, undef, "Second key copied successfully" );
62 is( $temphash->{key3}, 'value3', "Third key copied successfully" );
67 is( delete $db->{key1}, 'value1', "delete through tied inteface works" );
68 is( $db->delete("key2"), undef, "delete through OO inteface works" );
70 is( scalar keys %$db, 1, "After deleting two keys, 1 remains" );
75 ok( $db->clear(), "clear() returns true" );
77 is( scalar keys %$db, 0, "After clear(), everything is removed" );
82 $db->put("key1", "value1");
83 is( $db->get("key1"), "value1", "Assignment still works" );
85 $db->put("key1", "value2");
86 is( $db->get("key1"), "value2", "... and replacement works" );
88 $db->put("key1", "value222222222222222222222222");
90 is( $db->get("key1"), "value222222222222222222222222", "We set a value before closing the file" );
93 # Make sure DB still works after closing / opening
96 $db = DBM::Deep->new( $filename );
97 is( $db->get("key1"), "value222222222222222222222222", "The value we set is still there after closure" );
100 # Make sure keys are still fetchable after replacing values
101 # with smaller ones (bug found by John Cardenas, DBM::Deep 0.93)
104 $db->put("key1", "long value here");
105 $db->put("key2", "longer value here");
107 $db->put("key1", "short value");
108 $db->put("key2", "shorter v");
110 my $first_key = $db->first_key();
111 my $next_key = $db->next_key($first_key);
114 (($first_key eq "key1") || ($first_key eq "key2")) &&
115 (($next_key eq "key1") || ($next_key eq "key2")) &&
116 ($first_key ne $next_key)
117 ,"keys() still works if you replace long values with shorter ones"