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1 | use strict; |
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2 | use Test::More tests => 29; |
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3 | use Test::Exception; |
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 | |
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" ); |
29 | |
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" ); |
33 | |
34 | $db2->{other_x} = 'foo'; |
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35 | is( $db2->{other_x}, 'foo', "DB2 set other_x within DB1's transaction, so DB2 can see it" ); |
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36 | is( $db1->{other_x}, undef, "Since other_x was added after the transaction began, DB1 doesn't see it." ); |
37 | |
38 | $db1->rollback; |
39 | |
40 | is( $db1->{x}, 'y', "After rollback, DB1's X is Y" ); |
41 | is( $db2->{x}, 'y', "After rollback, DB2's X is Y" ); |
42 | |
43 | is( $db1->{other_x}, 'foo', "After DB1 transaction is over, DB1 can see other_x" ); |
44 | is( $db2->{other_x}, 'foo', "After DB1 transaction is over, DB2 can still see other_x" ); |
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45 | |
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46 | $db1->begin_work; |
47 | |
48 | $db1->{x} = 'z'; |
49 | is( $db1->{x}, 'z', "Within DB1 transaction, DB1's X is Z" ); |
50 | is( $db2->{x}, 'y', "Within DB1 transaction, DB2's X is still Y" ); |
51 | |
52 | $db1->commit; |
53 | |
54 | is( $db1->{x}, 'z', "After commit, DB1's X is Z" ); |
55 | is( $db2->{x}, 'z', "After commit, DB2's X is Z" ); |
56 | |
57 | $db1->begin_work; |
58 | |
59 | delete $db2->{other_x}; |
60 | is( $db2->{other_x}, undef, "DB2 deleted other_x in DB1's transaction, so it can't see it anymore" ); |
61 | is( $db1->{other_x}, 'foo', "Since other_x was deleted after the transaction began, DB1 still sees it." ); |
62 | |
63 | delete $db1->{x}; |
64 | is( $db1->{x}, undef, "DB1 deleted X in a transaction, so it can't see it anymore" ); |
65 | is( $db2->{x}, 'z', "But, DB2 can still see it" ); |
66 | |
67 | $db1->rollback; |
68 | |
69 | is( $db2->{other_x}, undef, "It's still deleted for DB2" ); |
70 | is( $db1->{other_x}, undef, "And now DB1 sees the deletion" ); |
71 | |
72 | is( $db1->{x}, 'z', "The transaction was rolled back, so DB1 can see X now" ); |
73 | is( $db2->{x}, 'z', "DB2 can still see it" ); |
74 | |
75 | $db1->begin_work; |
76 | |
77 | delete $db1->{x}; |
78 | is( $db1->{x}, undef, "DB1 deleted X in a transaction, so it can't see it anymore" ); |
79 | is( $db2->{x}, 'z', "But, DB2 can still see it" ); |
80 | |
81 | $db1->commit; |
82 | |
83 | is( $db1->{x}, undef, "The transaction was committed, so DB1 still deleted X" ); |
84 | is( $db2->{x}, undef, "DB2 can now see the deletion of X" ); |