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1 | ## |
2 | # DBM::Deep Test |
3 | ## |
4 | use strict; |
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5 | use Test::More tests => 30; |
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6 | use Test::Exception; |
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7 | use File::Temp qw( tempfile tempdir ); |
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8 | use Fcntl qw( :flock ); |
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9 | |
10 | use_ok( 'DBM::Deep' ); |
11 | |
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12 | my $dir = tempdir( CLEANUP => 1 ); |
13 | my ($fh, $filename) = tempfile( 'tmpXXXX', UNLINK => 1, DIR => $dir ); |
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14 | flock $fh, LOCK_UN; |
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15 | my $db = DBM::Deep->new( $filename ); |
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16 | |
17 | ## |
18 | # put/get key |
19 | ## |
20 | $db->{key1} = "value1"; |
21 | is( $db->get("key1"), "value1", "get() works with hash assignment" ); |
22 | is( $db->fetch("key1"), "value1", "... fetch() works with hash assignment" ); |
23 | is( $db->{key1}, "value1", "... and hash-access also works" ); |
24 | |
25 | $db->put("key2", undef); |
26 | is( $db->get("key2"), undef, "get() works with put()" ); |
27 | is( $db->fetch("key2"), undef, "... fetch() works with put()" ); |
28 | is( $db->{key2}, undef, "... and hash-access also works" ); |
29 | |
30 | $db->store( "key3", "value3" ); |
31 | is( $db->get("key3"), "value3", "get() works with store()" ); |
32 | is( $db->fetch("key3"), "value3", "... fetch() works with put()" ); |
33 | is( $db->{key3}, 'value3', "... and hash-access also works" ); |
34 | |
35 | ok( $db->exists("key1"), "exists() function works" ); |
36 | ok( exists $db->{key2}, "exists() works against tied hash" ); |
37 | |
38 | ## |
39 | # count keys |
40 | ## |
41 | is( scalar keys %$db, 3, "keys() works against tied hash" ); |
42 | |
43 | ## |
44 | # step through keys |
45 | ## |
46 | my $temphash = {}; |
47 | while ( my ($key, $value) = each %$db ) { |
48 | $temphash->{$key} = $value; |
49 | } |
50 | |
51 | is( $temphash->{key1}, 'value1', "First key copied successfully using tied interface" ); |
52 | is( $temphash->{key2}, undef, "Second key copied successfully" ); |
53 | is( $temphash->{key3}, 'value3', "Third key copied successfully" ); |
54 | |
55 | $temphash = {}; |
56 | my $key = $db->first_key(); |
57 | while ($key) { |
58 | $temphash->{$key} = $db->get($key); |
59 | $key = $db->next_key($key); |
60 | } |
61 | |
62 | is( $temphash->{key1}, 'value1', "First key copied successfully using OO interface" ); |
63 | is( $temphash->{key2}, undef, "Second key copied successfully" ); |
64 | is( $temphash->{key3}, 'value3', "Third key copied successfully" ); |
65 | |
66 | ## |
67 | # delete keys |
68 | ## |
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69 | is( delete $db->{key2}, undef, "delete through tied inteface works" ); |
70 | is( $db->delete("key1"), 'value1', "delete through OO inteface works" ); |
71 | is( $db->{key3}, 'value3', "The other key is still there" ); |
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72 | |
73 | is( scalar keys %$db, 1, "After deleting two keys, 1 remains" ); |
74 | |
75 | ## |
76 | # delete all keys |
77 | ## |
78 | ok( $db->clear(), "clear() returns true" ); |
79 | |
80 | is( scalar keys %$db, 0, "After clear(), everything is removed" ); |
81 | |
82 | ## |
83 | # replace key |
84 | ## |
85 | $db->put("key1", "value1"); |
86 | is( $db->get("key1"), "value1", "Assignment still works" ); |
87 | |
88 | $db->put("key1", "value2"); |
89 | is( $db->get("key1"), "value2", "... and replacement works" ); |
90 | |
91 | $db->put("key1", "value222222222222222222222222"); |
92 | |
93 | is( $db->get("key1"), "value222222222222222222222222", "We set a value before closing the file" ); |
94 | |
95 | ## |
96 | # Make sure DB still works after closing / opening |
97 | ## |
98 | undef $db; |
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99 | $db = DBM::Deep->new( $filename ); |
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100 | is( $db->get("key1"), "value222222222222222222222222", "The value we set is still there after closure" ); |
101 | |
102 | ## |
103 | # Make sure keys are still fetchable after replacing values |
104 | # with smaller ones (bug found by John Cardenas, DBM::Deep 0.93) |
105 | ## |
106 | $db->clear(); |
107 | $db->put("key1", "long value here"); |
108 | $db->put("key2", "longer value here"); |
109 | |
110 | $db->put("key1", "short value"); |
111 | $db->put("key2", "shorter v"); |
112 | |
113 | my $first_key = $db->first_key(); |
114 | my $next_key = $db->next_key($first_key); |
115 | |
116 | ok( |
117 | (($first_key eq "key1") || ($first_key eq "key2")) && |
118 | (($next_key eq "key1") || ($next_key eq "key2")) && |
119 | ($first_key ne $next_key) |
120 | ,"keys() still works if you replace long values with shorter ones" |
121 | ); |