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