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1 | ## |
2 | # DBM::Deep Test |
3 | ## |
4 | use strict; |
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5 | use Test::More tests => 38; |
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6 | use Test::Exception; |
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7 | use t::common qw( new_fh ); |
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8 | |
9 | use_ok( 'DBM::Deep' ); |
10 | |
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11 | my ($fh, $filename) = new_fh(); |
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12 | my $db = DBM::Deep->new( $filename ); |
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13 | |
14 | ## |
15 | # put/get key |
16 | ## |
17 | $db->{key1} = "value1"; |
18 | is( $db->get("key1"), "value1", "get() works with hash assignment" ); |
19 | is( $db->fetch("key1"), "value1", "... fetch() works with hash assignment" ); |
20 | is( $db->{key1}, "value1", "... and hash-access also works" ); |
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21 | $db->put("key2", undef); |
22 | is( $db->get("key2"), undef, "get() works with put()" ); |
23 | is( $db->fetch("key2"), undef, "... fetch() works with put()" ); |
24 | is( $db->{key2}, undef, "... and hash-access also works" ); |
25 | |
26 | $db->store( "key3", "value3" ); |
27 | is( $db->get("key3"), "value3", "get() works with store()" ); |
28 | is( $db->fetch("key3"), "value3", "... fetch() works with put()" ); |
29 | is( $db->{key3}, 'value3', "... and hash-access also works" ); |
30 | |
31 | ok( $db->exists("key1"), "exists() function works" ); |
32 | ok( exists $db->{key2}, "exists() works against tied hash" ); |
33 | |
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34 | ok( !exists $db->{key4}, "exists() function works for keys that aren't there" ); |
35 | is( $db->{key4}, undef, "Autovivified key4" ); |
36 | TODO: { |
37 | local $TODO = "Autovivification isn't correct yet"; |
38 | ok( exists $db->{key4}, "Autovivified key4 now exists" ); |
39 | } |
40 | delete $db->{key4}; |
41 | ok( !exists $db->{key4}, "And key4 doesn't exists anymore" ); |
42 | |
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43 | ## |
44 | # count keys |
45 | ## |
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46 | |
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47 | is( scalar keys %$db, 3, "keys() works against tied hash" ); |
48 | |
49 | ## |
50 | # step through keys |
51 | ## |
52 | my $temphash = {}; |
53 | while ( my ($key, $value) = each %$db ) { |
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54 | $temphash->{$key} = $value; |
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55 | } |
56 | |
57 | is( $temphash->{key1}, 'value1', "First key copied successfully using tied interface" ); |
58 | is( $temphash->{key2}, undef, "Second key copied successfully" ); |
59 | is( $temphash->{key3}, 'value3', "Third key copied successfully" ); |
60 | |
61 | $temphash = {}; |
62 | my $key = $db->first_key(); |
63 | while ($key) { |
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64 | $temphash->{$key} = $db->get($key); |
65 | $key = $db->next_key($key); |
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66 | } |
67 | |
68 | is( $temphash->{key1}, 'value1', "First key copied successfully using OO interface" ); |
69 | is( $temphash->{key2}, undef, "Second key copied successfully" ); |
70 | is( $temphash->{key3}, 'value3', "Third key copied successfully" ); |
71 | |
72 | ## |
73 | # delete keys |
74 | ## |
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75 | is( delete $db->{key2}, undef, "delete through tied inteface works" ); |
76 | is( $db->delete("key1"), 'value1', "delete through OO inteface works" ); |
77 | is( $db->{key3}, 'value3', "The other key is still there" ); |
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78 | ok( !exists $db->{key1}, "key1 doesn't exist" ); |
79 | ok( !exists $db->{key2}, "key2 doesn't exist" ); |
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80 | |
81 | is( scalar keys %$db, 1, "After deleting two keys, 1 remains" ); |
82 | |
83 | ## |
84 | # delete all keys |
85 | ## |
86 | ok( $db->clear(), "clear() returns true" ); |
87 | |
88 | is( scalar keys %$db, 0, "After clear(), everything is removed" ); |
89 | |
90 | ## |
91 | # replace key |
92 | ## |
93 | $db->put("key1", "value1"); |
94 | is( $db->get("key1"), "value1", "Assignment still works" ); |
95 | |
96 | $db->put("key1", "value2"); |
97 | is( $db->get("key1"), "value2", "... and replacement works" ); |
98 | |
99 | $db->put("key1", "value222222222222222222222222"); |
100 | |
101 | is( $db->get("key1"), "value222222222222222222222222", "We set a value before closing the file" ); |
102 | |
103 | ## |
104 | # Make sure DB still works after closing / opening |
105 | ## |
106 | undef $db; |
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107 | $db = DBM::Deep->new( $filename ); |
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108 | is( $db->get("key1"), "value222222222222222222222222", "The value we set is still there after closure" ); |
109 | |
110 | ## |
111 | # Make sure keys are still fetchable after replacing values |
112 | # with smaller ones (bug found by John Cardenas, DBM::Deep 0.93) |
113 | ## |
114 | $db->clear(); |
115 | $db->put("key1", "long value here"); |
116 | $db->put("key2", "longer value here"); |
117 | |
118 | $db->put("key1", "short value"); |
119 | $db->put("key2", "shorter v"); |
120 | |
121 | my $first_key = $db->first_key(); |
122 | my $next_key = $db->next_key($first_key); |
123 | |
124 | ok( |
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125 | (($first_key eq "key1") || ($first_key eq "key2")) && |
126 | (($next_key eq "key1") || ($next_key eq "key2")) && |
127 | ($first_key ne $next_key) |
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128 | ,"keys() still works if you replace long values with shorter ones" |
129 | ); |
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130 | |
131 | # Test autovivification |
132 | |
133 | $db->{unknown}{bar} = 1; |
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134 | ok( $db->{unknown}, 'Autovivified value exists' ); |
135 | cmp_ok( $db->{unknown}{bar}, '==', 1, 'And the value stored is there' ); |