X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=t%2F34_transaction_arrays.t;h=8513bbe8f66f5340c2f47c4d85a4fc27f6c1e6f1;hb=24b0b7b9c405df7f75babe1e6ebd48680c9853a5;hp=5043c9175bc6a26cc5749f966fafb961f4fee4ff;hpb=504185fb219549d7f77912a182f5816925cb284b;p=dbsrgits%2FDBM-Deep.git

diff --git a/t/34_transaction_arrays.t b/t/34_transaction_arrays.t
index 5043c91..8513bbe 100644
--- a/t/34_transaction_arrays.t
+++ b/t/34_transaction_arrays.t
@@ -1,53 +1,123 @@
 use strict;
-use Test::More tests => 17;
+use warnings FATAL => 'all';
+
+use Test::More;
 use Test::Deep;
-use t::common qw( new_fh );
+use t::common qw( new_dbm );
 
 use_ok( 'DBM::Deep' );
 
-my ($fh, $filename) = new_fh();
-my $db1 = DBM::Deep->new(
-    file => $filename,
+my $dbm_factory = new_dbm(
     locking => 1,
     autoflush => 1,
+    num_txns  => 16,
     type => DBM::Deep->TYPE_ARRAY,
 );
+while ( my $dbm_maker = $dbm_factory->() ) {
+    my $db1 = $dbm_maker->();
+    next unless $db1->supports( 'transactions' );
+    my $db2 = $dbm_maker->();
 
-my $db2 = DBM::Deep->new(
-    file => $filename,
-    locking => 1,
-    autoflush => 1,
-    type => DBM::Deep->TYPE_ARRAY,
-);
+    $db1->[0] = 'y';
+    is( $db1->[0], 'y', "Before transaction, DB1's 0 is Y" );
+    is( $db2->[0], 'y', "Before transaction, DB2's 0 is Y" );
+
+    $db1->begin_work;
+
+        is( $db1->[0], 'y', "DB1 transaction started, no actions - DB1's 0 is Y" );
+        is( $db2->[0], 'y', "DB1 transaction started, no actions - DB2's 0 is Y" );
+
+        $db1->[0] = 'z';
+        is( $db1->[0], 'z', "Within DB1 transaction, DB1's 0 is Z" );
+        is( $db2->[0], 'y', "Within DB1 transaction, DB2's 0 is still Y" );
+
+        $db2->[1] = 'foo';
+        is( $db2->[1], 'foo', "DB2 set 1 within DB1's transaction, so DB2 can see it" );
+        ok( !exists $db1->[1], "Since 1 was added after the transaction began, DB1 doesn't see it." );
+
+        cmp_ok( scalar(@$db1), '==', 1, "DB1 has 1 element" );
+        cmp_ok( scalar(@$db2), '==', 2, "DB2 has 2 elements" );
+
+    $db1->rollback;
+
+    is( $db1->[0], 'y', "After rollback, DB1's 0 is Y" );
+    is( $db2->[0], 'y', "After rollback, DB2's 0 is Y" );
+
+    is( $db1->[1], 'foo', "After DB1 transaction is over, DB1 can see 1" );
+    is( $db2->[1], 'foo', "After DB1 transaction is over, DB2 can still see 1" );
+
+    cmp_ok( scalar(@$db1), '==', 2, "DB1 now has 2 elements" );
+    cmp_ok( scalar(@$db2), '==', 2, "DB2 still has 2 elements" );
+
+    $db1->begin_work;
+
+        is( $db1->[0], 'y', "DB1 transaction started, no actions - DB1's 0 is Y" );
+        is( $db2->[0], 'y', "DB1 transaction started, no actions - DB2's 0 is Y" );
+
+        $db1->[2] = 'z';
+        is( $db1->[2], 'z', "Within DB1 transaction, DB1's 2 is Z" );
+        ok( !exists $db2->[2], "Within DB1 transaction, DB2 cannot see 2" );
+
+        cmp_ok( scalar(@$db1), '==', 3, "DB1 has 3 elements" );
+        cmp_ok( scalar(@$db2), '==', 2, "DB2 has 2 elements" );
+
+    $db1->commit;
+
+    is( $db1->[0], 'y', "After rollback, DB1's 0 is Y" );
+    is( $db2->[0], 'y', "After rollback, DB2's 0 is Y" );
+
+    is( $db1->[2], 'z', "After DB1 transaction is over, DB1 can still see 2" );
+    is( $db2->[2], 'z', "After DB1 transaction is over, DB2 can now see 2" );
+
+    cmp_ok( scalar(@$db1), '==', 3, "DB1 now has 2 elements" );
+    cmp_ok( scalar(@$db2), '==', 3, "DB2 still has 2 elements" );
+
+    $db1->begin_work;
+
+        push @$db1, 'foo';
+        unshift @$db1, 'bar';
+
+        cmp_ok( scalar(@$db1), '==', 5, "DB1 now has 5 elements" );
+        cmp_ok( scalar(@$db2), '==', 3, "DB2 still has 3 elements" );
+
+        is( $db1->[0], 'bar' );
+        is( $db1->[-1], 'foo' );
+
+    $db1->rollback;
+
+    cmp_ok( scalar(@$db1), '==', 3, "DB1 is back to 3 elements" );
+    cmp_ok( scalar(@$db2), '==', 3, "DB2 still has 3 elements" );
+
+    $db1->begin_work;
+
+        push @$db1, 'foo';
+        unshift @$db1, 'bar';
 
-$db1->[0] = 'y';
-is( $db1->[0], 'y', "Before transaction, DB1's 0 is Y" );
-is( $db2->[0], 'y', "Before transaction, DB2's 0 is Y" );
+        cmp_ok( scalar(@$db1), '==', 5, "DB1 now has 5 elements" );
+        cmp_ok( scalar(@$db2), '==', 3, "DB2 still has 3 elements" );
 
-$db1->begin_work;
+    $db1->commit;
 
-    is( $db1->[0], 'y', "DB1 transaction started, no actions - DB1's 0 is Y" );
-    is( $db2->[0], 'y', "DB1 transaction started, no actions - DB2's 0 is Y" );
+    cmp_ok( scalar(@$db1), '==', 5, "DB1 is still at 5 elements" );
+    cmp_ok( scalar(@$db2), '==', 5, "DB2 now has 5 elements" );
 
-    $db1->[0] = 'z';
-    is( $db1->[0], 'z', "Within DB1 transaction, DB1's 0 is Z" );
-    is( $db2->[0], 'y', "Within DB1 transaction, DB2's 0 is still Y" );
+    is( $db1->[0], 'bar' );
+    is( $db1->[-1], 'foo' );
 
-    $db2->[1] = 'foo';
-    is( $db2->[1], 'foo', "DB2 set 1 within DB1's transaction, so DB2 can see it" );
-    ok( !exists $db1->[1], "Since 1 was added after the transaction began, DB1 doesn't see it." );
+    is( $db2->[0], 'bar' );
+    is( $db2->[-1], 'foo' );
 
-    cmp_ok( scalar(@$db1), '==', 1, "DB1 has 1 element" );
-    cmp_ok( scalar(@$db2), '==', 2, "DB2 has 2 elements" );
+    $db1->begin_work;
 
-$db1->rollback;
+        @$db1 = (); # clear()
 
-is( $db1->[0], 'y', "After rollback, DB1's 0 is Y" );
-is( $db2->[0], 'y', "After rollback, DB2's 0 is Y" );
+        cmp_ok( scalar(@$db1), '==', 0, "DB1 now has 0 elements" );
+        cmp_ok( scalar(@$db2), '==', 5, "DB2 still has 5 elements" );
 
-is( $db1->[1], 'foo', "After DB1 transaction is over, DB1 can see 1" );
-is( $db2->[1], 'foo', "After DB1 transaction is over, DB2 can still see 1" );
+    $db1->rollback;
 
-cmp_ok( scalar(@$db1), '==', 2, "DB1 now has 2 elements" );
-cmp_ok( scalar(@$db2), '==', 2, "DB2 still has 2 elements" );
+    cmp_ok( scalar(@$db1), '==', 5, "DB1 now has 5 elements" );
+    cmp_ok( scalar(@$db2), '==', 5, "DB2 still has 5 elements" );
+}
 
+done_testing;