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# Try the operation again - What should happen here is: # 1. S::DBI blindly attempts the SELECT, which throws an exception # 2. It catches the exception, checks ->{Active}/->ping, sees the disconnected state... # 3. Reconnects, and retries the operation # 4. Success! my @art_two = $schema->resultset("Artist")->search({ }, { order_by => 'name DESC'}); cmp_ok(@art_two, '==', 3, "Three artists returned"); ### Now, disconnect the dbh, and move the db file; # create a new one and chmod 000 to prevent SQLite from connecting. $schema->storage->_dbh->disconnect; move( $db_orig, $db_tmp ) or die "failed to move $db_orig to $db_tmp: $!"; open DBFILE, '>', $db_orig; print DBFILE 'THIS IS NOT A REAL DATABASE'; close DBFILE; chmod 0000, $db_orig; ### Try the operation again... it should fail, since there's no db { # Catch the DBI connection error local $SIG{__WARN__} = sub {}; dies_ok { my @art_three = $schema->resultset("Artist")->search( {}, { order_by => 'name DESC' } ); } 'The operation failed'; } # otherwise can't unlink the fake db file $schema->storage->_dbh->disconnect if $^O eq 'MSWin32'; ### Now, move the db file back to the correct name unlink($db_orig) or die "could not delete $db_orig: $!"; move( $db_tmp, $db_orig ) or die "could not move $db_tmp to $db_orig: $!"; ### Try the operation again... this time, it should succeed my @art_four; lives_ok { @art_four = $schema->resultset("Artist")->search( {}, { order_by => 'name DESC' } ); } 'The operation succeeded'; cmp_ok( @art_four, '==', 3, "Three artists returned" );
2012-08-26T14:46:28 AndiE... Später wird noch ein Test "...storage/reconnect.t" ausgeführt, der mit einem Fehler endet.
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t/storage/reconnect.t ............................ 1/?
# Failed test 'The operation succeeded'
# at t/storage/reconnect.t line 69.
# died: DBIx::Class::Exception (DBIx::Class::ResultSet::search(): DBI Exception: DBD::SQLite::db prepare_cached failed: disk I/O error [for Statement "SELECT me.artistid, me.name, me.rank, me.charfield FROM artist me ORDER BY name DESC"] at t/storage/reconnect.t line 68
# )
# Failed test 'Three artists returned'
# at t/storage/reconnect.t line 70.
# got: 0
# expected: 3
# Looks like you failed 2 tests of 36.
t/storage/reconnect.t ............................ Dubious, test returned 2 (wstat 512, 0x200)
Failed 2/36 subtests