New testing feature that allows specification of the workdir for the tests
[dbsrgits/DBM-Deep.git] / t / 02_hash.t
CommitLineData
ffed8b01 1##
2# DBM::Deep Test
3##
4use strict;
4b603f25 5use Test::More tests => 32;
ffed8b01 6use Test::Exception;
fde3db1a 7use t::common qw( new_fh );
ffed8b01 8
9use_ok( 'DBM::Deep' );
10
fde3db1a 11my ($fh, $filename) = new_fh();
2a81bf9e 12my $db = DBM::Deep->new( $filename );
ffed8b01 13
14##
15# put/get key
16##
17$db->{key1} = "value1";
18is( $db->get("key1"), "value1", "get() works with hash assignment" );
19is( $db->fetch("key1"), "value1", "... fetch() works with hash assignment" );
20is( $db->{key1}, "value1", "... and hash-access also works" );
21
22$db->put("key2", undef);
23is( $db->get("key2"), undef, "get() works with put()" );
24is( $db->fetch("key2"), undef, "... fetch() works with put()" );
25is( $db->{key2}, undef, "... and hash-access also works" );
26
27$db->store( "key3", "value3" );
28is( $db->get("key3"), "value3", "get() works with store()" );
29is( $db->fetch("key3"), "value3", "... fetch() works with put()" );
30is( $db->{key3}, 'value3', "... and hash-access also works" );
31
32ok( $db->exists("key1"), "exists() function works" );
33ok( exists $db->{key2}, "exists() works against tied hash" );
34
35##
36# count keys
37##
38is( scalar keys %$db, 3, "keys() works against tied hash" );
39
40##
41# step through keys
42##
43my $temphash = {};
44while ( my ($key, $value) = each %$db ) {
45 $temphash->{$key} = $value;
46}
47
48is( $temphash->{key1}, 'value1', "First key copied successfully using tied interface" );
49is( $temphash->{key2}, undef, "Second key copied successfully" );
50is( $temphash->{key3}, 'value3', "Third key copied successfully" );
51
52$temphash = {};
53my $key = $db->first_key();
54while ($key) {
55 $temphash->{$key} = $db->get($key);
56 $key = $db->next_key($key);
57}
58
59is( $temphash->{key1}, 'value1', "First key copied successfully using OO interface" );
60is( $temphash->{key2}, undef, "Second key copied successfully" );
61is( $temphash->{key3}, 'value3', "Third key copied successfully" );
62
63##
64# delete keys
65##
8db25060 66is( delete $db->{key2}, undef, "delete through tied inteface works" );
67is( $db->delete("key1"), 'value1', "delete through OO inteface works" );
68is( $db->{key3}, 'value3', "The other key is still there" );
ffed8b01 69
70is( scalar keys %$db, 1, "After deleting two keys, 1 remains" );
71
72##
73# delete all keys
74##
75ok( $db->clear(), "clear() returns true" );
76
77is( scalar keys %$db, 0, "After clear(), everything is removed" );
78
79##
80# replace key
81##
82$db->put("key1", "value1");
83is( $db->get("key1"), "value1", "Assignment still works" );
84
85$db->put("key1", "value2");
86is( $db->get("key1"), "value2", "... and replacement works" );
87
88$db->put("key1", "value222222222222222222222222");
89
90is( $db->get("key1"), "value222222222222222222222222", "We set a value before closing the file" );
91
92##
93# Make sure DB still works after closing / opening
94##
95undef $db;
2a81bf9e 96$db = DBM::Deep->new( $filename );
ffed8b01 97is( $db->get("key1"), "value222222222222222222222222", "The value we set is still there after closure" );
98
99##
100# Make sure keys are still fetchable after replacing values
101# with smaller ones (bug found by John Cardenas, DBM::Deep 0.93)
102##
103$db->clear();
104$db->put("key1", "long value here");
105$db->put("key2", "longer value here");
106
107$db->put("key1", "short value");
108$db->put("key2", "shorter v");
109
110my $first_key = $db->first_key();
111my $next_key = $db->next_key($first_key);
112
113ok(
114 (($first_key eq "key1") || ($first_key eq "key2")) &&
115 (($next_key eq "key1") || ($next_key eq "key2")) &&
116 ($first_key ne $next_key)
117 ,"keys() still works if you replace long values with shorter ones"
118);
4b603f25 119
120# Test autovivification
121
122$db->{unknown}{bar} = 1;
123ok( $db->{unknown} );
124cmp_ok( $db->{unknown}{bar}, '==', 1 );