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BUG#49978: Replication tests don't clean up replication state at the end

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Major replication test framework cleanup. This does the following:
 - Ensure that all tests clean up the replication state when they
   finish, by making check-testcase check the output of SHOW SLAVE STATUS.
   This implies:
    - Slave must not be running after test finished. This is good
      because it removes the risk for sporadic errors in subsequent
      tests when a test forgets to sync correctly.
    - Slave SQL and IO errors must be cleared when test ends. This is
      good because we will notice if a test gets an unexpected error in
      the slave threads near the end.
    - We no longer have to clean up before a test starts.
 - Ensure that all tests that wait for an error in one of the slave
   threads waits for a specific error. It is no longer possible to
   source wait_for_slave_[sql|io]_to_stop.inc when there is an error
   in one of the slave threads. This is good because:
    - If a test expects an error but there is a bug that causes
      another error to happen, or if it stops the slave thread without
      an error, then we will notice.
    - When developing tests, wait_for_*_to_[start|stop].inc will fail
      immediately if there is an error in the relevant slave thread.
      Before this patch, we had to wait for the timeout.
 - Remove duplicated and repeated code for setting up unusual replication
   topologies. Now, there is a single file that is capable of setting
   up arbitrary topologies (include/rpl_init.inc, but
   include/master-slave.inc is still available for the most common
   topology). Tests can now end with include/rpl_end.inc, which will clean
   up correctly no matter what topology is used. The topology can be
   changed with include/rpl_change_topology.inc.
 - Improved debug information when tests fail. This includes:
    - debug info is printed on all servers configured by include/rpl_init.inc
    - User can set $rpl_debug=1, which makes auxiliary replication files
      print relevant debug info.
 - Improved documentation for all auxiliary replication files. Now they
   describe purpose, usage, parameters, and side effects.
 - Many small code cleanups:
    - Made have_innodb.inc output a sensible error message.
    - Moved contents of rpl000017-slave.sh into rpl000017.test
    - Added mysqltest variables that expose the current state of
      disable_warnings/enable_warnings and friends.
    - Too many to list here: see per-file comments for details.
This commit is contained in:
Sven Sandberg
2010-12-19 18:07:28 +01:00
parent 82e887e3b2
commit 09c80e12c5
740 changed files with 6994 additions and 5608 deletions
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45
mysql-test/suite/rpl/r/rpl_auto_increment_bug33029.result Normal file
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include/master-slave.inc
[connection master]
==== Initialize ====
SET @old_relay_log_purge= @@global.relay_log_purge;
include/setup_fake_relay_log.inc
Setting up fake replication from MYSQL_TEST_DIR/std_data/bug33029-slave-relay-bin.000001
==== Test ====
start slave sql_thread;
include/wait_for_slave_param.inc [Exec_Master_Log_Pos]
# Result on slave
SELECT * FROM t1;
id
5
6
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9
10
11
SELECT * FROM t2;
id
5
6
7
8
9
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==== Clean up ====
stop slave sql_thread;
include/cleanup_fake_relay_log.inc
DROP TABLE t1, t2;
DROP PROCEDURE p1;
DROP PROCEDURE p2;
DROP FUNCTION f1;
SET @@global.relay_log_purge= @old_relay_log_purge;
include/rpl_end.inc