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1 | use strict; |
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2 | use Test::More tests => 62; |
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3 | use Test::Deep; |
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4 | use t::common qw( new_fh ); |
5 | |
6 | use_ok( 'DBM::Deep' ); |
7 | |
8 | my ($fh, $filename) = new_fh(); |
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9 | my $db1 = DBM::Deep->new( |
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10 | file => $filename, |
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11 | locking => 1, |
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12 | autoflush => 1, |
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13 | ); |
14 | |
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15 | my $db2 = DBM::Deep->new( |
16 | file => $filename, |
17 | locking => 1, |
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18 | autoflush => 1, |
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19 | ); |
20 | |
21 | $db1->{x} = 'y'; |
22 | is( $db1->{x}, 'y', "Before transaction, DB1's X is Y" ); |
23 | is( $db2->{x}, 'y', "Before transaction, DB2's X is Y" ); |
24 | |
25 | $db1->begin_work; |
26 | |
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27 | is( $db1->{x}, 'y', "DB1 transaction started, no actions - DB1's X is Y" ); |
28 | is( $db2->{x}, 'y', "DB1 transaction started, no actions - DB2's X is Y" ); |
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29 | |
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30 | $db1->{x} = 'z'; |
31 | is( $db1->{x}, 'z', "Within DB1 transaction, DB1's X is Z" ); |
32 | is( $db2->{x}, 'y', "Within DB1 transaction, DB2's X is still Y" ); |
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33 | |
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34 | $db2->{other_x} = 'foo'; |
35 | is( $db2->{other_x}, 'foo', "DB2 set other_x within DB1's transaction, so DB2 can see it" ); |
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36 | ok( !exists $db1->{other_x}, "Since other_x was added after the transaction began, DB1 doesn't see it." ); |
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37 | |
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38 | cmp_bag( [ keys %$db1 ], [qw( x )], "DB1 keys correct" ); |
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39 | cmp_bag( [ keys %$db2 ], [qw( x other_x )], "DB2 keys correct" ); |
40 | |
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41 | $db1->rollback; |
42 | |
43 | is( $db1->{x}, 'y', "After rollback, DB1's X is Y" ); |
44 | is( $db2->{x}, 'y', "After rollback, DB2's X is Y" ); |
45 | |
46 | is( $db1->{other_x}, 'foo', "After DB1 transaction is over, DB1 can see other_x" ); |
47 | is( $db2->{other_x}, 'foo', "After DB1 transaction is over, DB2 can still see other_x" ); |
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48 | |
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49 | $db1->begin_work; |
50 | |
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51 | is( $db1->{x}, 'y', "DB1 transaction started, no actions - DB1's X is Y" ); |
52 | is( $db2->{x}, 'y', "DB1 transaction started, no actions - DB2's X is Y" ); |
53 | |
54 | $db1->{x} = 'z'; |
55 | is( $db1->{x}, 'z', "Within DB1 transaction, DB1's X is Z" ); |
56 | is( $db2->{x}, 'y', "Within DB1 transaction, DB2's X is still Y" ); |
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57 | |
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58 | $db2->{other_x} = 'bar'; |
59 | is( $db2->{other_x}, 'bar', "DB2 set other_x within DB1's transaction, so DB2 can see it" ); |
60 | is( $db1->{other_x}, 'foo', "Since other_x was modified after the transaction began, DB1 doesn't see the change." ); |
61 | |
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62 | cmp_bag( [ keys %$db1 ], [qw( x other_x )], "DB1 keys correct" ); |
63 | cmp_bag( [ keys %$db2 ], [qw( x other_x )], "DB2 keys correct" ); |
64 | |
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65 | $db1->commit; |
66 | |
67 | is( $db1->{x}, 'z', "After commit, DB1's X is Z" ); |
68 | is( $db2->{x}, 'z', "After commit, DB2's X is Z" ); |
69 | |
70 | $db1->begin_work; |
71 | |
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72 | delete $db2->{other_x}; |
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73 | ok( !exists $db2->{other_x}, "DB2 deleted other_x in DB1's transaction, so it can't see it anymore" ); |
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74 | is( $db1->{other_x}, 'bar', "Since other_x was deleted after the transaction began, DB1 still sees it." ); |
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75 | |
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76 | cmp_bag( [ keys %$db1 ], [qw( x other_x )], "DB1 keys correct" ); |
77 | cmp_bag( [ keys %$db2 ], [qw( x )], "DB2 keys correct" ); |
78 | |
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79 | delete $db1->{x}; |
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80 | ok( !exists $db1->{x}, "DB1 deleted X in a transaction, so it can't see it anymore" ); |
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81 | is( $db2->{x}, 'z', "But, DB2 can still see it" ); |
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82 | |
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83 | cmp_bag( [ keys %$db1 ], [qw( other_x )], "DB1 keys correct" ); |
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84 | cmp_bag( [ keys %$db2 ], [qw( x )], "DB2 keys correct" ); |
85 | |
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86 | $db1->rollback; |
87 | |
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88 | ok( !exists $db2->{other_x}, "It's still deleted for DB2" ); |
89 | ok( !exists $db1->{other_x}, "And now DB1 sees the deletion" ); |
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90 | |
91 | is( $db1->{x}, 'z', "The transaction was rolled back, so DB1 can see X now" ); |
92 | is( $db2->{x}, 'z', "DB2 can still see it" ); |
93 | |
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94 | cmp_bag( [ keys %$db1 ], [qw( x )], "DB1 keys correct" ); |
95 | cmp_bag( [ keys %$db2 ], [qw( x )], "DB2 keys correct" ); |
96 | |
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97 | $db1->begin_work; |
98 | |
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99 | delete $db1->{x}; |
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100 | ok( !exists $db1->{x}, "DB1 deleted X in a transaction, so it can't see it anymore" ); |
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101 | #__END__ |
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102 | is( $db2->{x}, 'z', "But, DB2 can still see it" ); |
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103 | |
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104 | cmp_bag( [ keys %$db1 ], [qw()], "DB1 keys correct" ); |
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105 | cmp_bag( [ keys %$db2 ], [qw( x )], "DB2 keys correct" ); |
106 | |
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107 | $db1->commit; |
108 | |
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109 | ok( !exists $db1->{x}, "The transaction was committed, so DB1 still deleted X" ); |
110 | ok( !exists $db2->{x}, "DB2 can now see the deletion of X" ); |
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111 | |
112 | $db1->{foo} = 'bar'; |
113 | is( $db1->{foo}, 'bar', "Set foo to bar in DB1" ); |
114 | is( $db2->{foo}, 'bar', "Set foo to bar in DB2" ); |
115 | |
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116 | cmp_bag( [ keys %$db1 ], [qw( foo )], "DB1 keys correct" ); |
117 | cmp_bag( [ keys %$db2 ], [qw( foo )], "DB2 keys correct" ); |
118 | |
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119 | $db1->begin_work; |
120 | |
121 | %$db1 = (); # clear() |
122 | ok( !exists $db1->{foo}, "Cleared foo" ); |
123 | is( $db2->{foo}, 'bar', "But in DB2, we can still see it" ); |
124 | |
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125 | cmp_bag( [ keys %$db1 ], [qw()], "DB1 keys correct" ); |
126 | cmp_bag( [ keys %$db2 ], [qw( foo )], "DB2 keys correct" ); |
127 | |
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128 | $db1->rollback; |
129 | |
130 | is( $db1->{foo}, 'bar', "Rollback means 'foo' is still there" ); |
131 | is( $db2->{foo}, 'bar', "Rollback means 'foo' is still there" ); |
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132 | |
133 | cmp_bag( [ keys %$db1 ], [qw( foo )], "DB1 keys correct" ); |
134 | cmp_bag( [ keys %$db2 ], [qw( foo )], "DB2 keys correct" ); |
135 | |
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136 | SKIP: { |
137 | skip "Optimize tests skipped on Win32", 5 |
138 | if $^O eq 'MSWin32' || $^O eq 'cygwin'; |
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139 | |
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140 | $db1->optimize; |
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141 | |
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142 | is( $db1->{foo}, 'bar', 'After optimize, everything is ok' ); |
143 | is( $db2->{foo}, 'bar', 'After optimize, everything is ok' ); |
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144 | |
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145 | cmp_bag( [ keys %$db1 ], [qw( foo )], "DB1 keys correct" ); |
146 | cmp_bag( [ keys %$db2 ], [qw( foo )], "DB2 keys correct" ); |
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147 | |
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148 | $db1->begin_work; |
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149 | |
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150 | cmp_ok( $db1->_storage->transaction_id, '==', 1, "Transaction ID has been reset after optimize" ); |
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151 | |
152 | $db1->rollback; |
153 | } |
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154 | |
155 | __END__ |
156 | |
157 | Tests to add: |
158 | * Two transactions running at the same time |
159 | * Doing a clear on the head while a transaction is running |
160 | # More than just two keys |