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1 | use strict; |
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2 | use warnings FATAL => 'all'; |
3 | |
4 | use Test::More; |
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5 | use Test::Deep; |
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6 | use t::common qw( new_dbm ); |
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7 | |
8 | use_ok( 'DBM::Deep' ); |
9 | |
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10 | if ( $ENV{NO_TEST_TRANSACTIONS} ) { |
11 | done_testing; |
12 | exit; |
13 | } |
14 | |
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15 | my $dbm_factory = new_dbm( |
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16 | locking => 1, |
17 | autoflush => 1, |
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18 | num_txns => 16, |
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19 | type => DBM::Deep->TYPE_ARRAY, |
20 | ); |
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21 | while ( my $dbm_maker = $dbm_factory->() ) { |
22 | my $db1 = $dbm_maker->(); |
23 | my $db2 = $dbm_maker->(); |
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24 | |
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25 | $db1->[0] = 'y'; |
26 | is( $db1->[0], 'y', "Before transaction, DB1's 0 is Y" ); |
27 | is( $db2->[0], 'y', "Before transaction, DB2's 0 is Y" ); |
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28 | |
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29 | $db1->begin_work; |
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30 | |
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31 | is( $db1->[0], 'y', "DB1 transaction started, no actions - DB1's 0 is Y" ); |
32 | is( $db2->[0], 'y', "DB1 transaction started, no actions - DB2's 0 is Y" ); |
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33 | |
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34 | $db1->[0] = 'z'; |
35 | is( $db1->[0], 'z', "Within DB1 transaction, DB1's 0 is Z" ); |
36 | is( $db2->[0], 'y', "Within DB1 transaction, DB2's 0 is still Y" ); |
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37 | |
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38 | $db2->[1] = 'foo'; |
39 | is( $db2->[1], 'foo', "DB2 set 1 within DB1's transaction, so DB2 can see it" ); |
40 | ok( !exists $db1->[1], "Since 1 was added after the transaction began, DB1 doesn't see it." ); |
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41 | |
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42 | cmp_ok( scalar(@$db1), '==', 1, "DB1 has 1 element" ); |
43 | cmp_ok( scalar(@$db2), '==', 2, "DB2 has 2 elements" ); |
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44 | |
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45 | $db1->rollback; |
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46 | |
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47 | is( $db1->[0], 'y', "After rollback, DB1's 0 is Y" ); |
48 | is( $db2->[0], 'y', "After rollback, DB2's 0 is Y" ); |
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49 | |
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50 | is( $db1->[1], 'foo', "After DB1 transaction is over, DB1 can see 1" ); |
51 | is( $db2->[1], 'foo', "After DB1 transaction is over, DB2 can still see 1" ); |
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52 | |
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53 | cmp_ok( scalar(@$db1), '==', 2, "DB1 now has 2 elements" ); |
54 | cmp_ok( scalar(@$db2), '==', 2, "DB2 still has 2 elements" ); |
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55 | |
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56 | $db1->begin_work; |
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57 | |
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58 | is( $db1->[0], 'y', "DB1 transaction started, no actions - DB1's 0 is Y" ); |
59 | is( $db2->[0], 'y', "DB1 transaction started, no actions - DB2's 0 is Y" ); |
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60 | |
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61 | $db1->[2] = 'z'; |
62 | is( $db1->[2], 'z', "Within DB1 transaction, DB1's 2 is Z" ); |
63 | ok( !exists $db2->[2], "Within DB1 transaction, DB2 cannot see 2" ); |
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64 | |
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65 | cmp_ok( scalar(@$db1), '==', 3, "DB1 has 3 elements" ); |
66 | cmp_ok( scalar(@$db2), '==', 2, "DB2 has 2 elements" ); |
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67 | |
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68 | $db1->commit; |
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69 | |
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70 | is( $db1->[0], 'y', "After rollback, DB1's 0 is Y" ); |
71 | is( $db2->[0], 'y', "After rollback, DB2's 0 is Y" ); |
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72 | |
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73 | is( $db1->[2], 'z', "After DB1 transaction is over, DB1 can still see 2" ); |
74 | is( $db2->[2], 'z', "After DB1 transaction is over, DB2 can now see 2" ); |
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75 | |
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76 | cmp_ok( scalar(@$db1), '==', 3, "DB1 now has 2 elements" ); |
77 | cmp_ok( scalar(@$db2), '==', 3, "DB2 still has 2 elements" ); |
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78 | |
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79 | $db1->begin_work; |
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80 | |
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81 | push @$db1, 'foo'; |
82 | unshift @$db1, 'bar'; |
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83 | |
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84 | cmp_ok( scalar(@$db1), '==', 5, "DB1 now has 5 elements" ); |
85 | cmp_ok( scalar(@$db2), '==', 3, "DB2 still has 3 elements" ); |
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86 | |
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87 | is( $db1->[0], 'bar' ); |
88 | is( $db1->[-1], 'foo' ); |
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89 | |
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90 | $db1->rollback; |
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91 | |
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92 | cmp_ok( scalar(@$db1), '==', 3, "DB1 is back to 3 elements" ); |
93 | cmp_ok( scalar(@$db2), '==', 3, "DB2 still has 3 elements" ); |
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94 | |
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95 | $db1->begin_work; |
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96 | |
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97 | push @$db1, 'foo'; |
98 | unshift @$db1, 'bar'; |
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99 | |
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100 | cmp_ok( scalar(@$db1), '==', 5, "DB1 now has 5 elements" ); |
101 | cmp_ok( scalar(@$db2), '==', 3, "DB2 still has 3 elements" ); |
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102 | |
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103 | $db1->commit; |
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104 | |
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105 | cmp_ok( scalar(@$db1), '==', 5, "DB1 is still at 5 elements" ); |
106 | cmp_ok( scalar(@$db2), '==', 5, "DB2 now has 5 elements" ); |
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107 | |
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108 | is( $db1->[0], 'bar' ); |
109 | is( $db1->[-1], 'foo' ); |
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110 | |
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111 | is( $db2->[0], 'bar' ); |
112 | is( $db2->[-1], 'foo' ); |
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113 | |
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114 | $db1->begin_work; |
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115 | |
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116 | @$db1 = (); # clear() |
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117 | |
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118 | cmp_ok( scalar(@$db1), '==', 0, "DB1 now has 0 elements" ); |
119 | cmp_ok( scalar(@$db2), '==', 5, "DB2 still has 5 elements" ); |
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120 | |
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121 | $db1->rollback; |
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122 | |
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123 | cmp_ok( scalar(@$db1), '==', 5, "DB1 now has 5 elements" ); |
124 | cmp_ok( scalar(@$db2), '==', 5, "DB2 still has 5 elements" ); |
125 | } |
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126 | |
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127 | done_testing; |