Bug #23125 [patch] trigger test fails when run as root

 - Skip tests using chmod when running as root

mysql-test/t/information_schema_chmod.test

@@ -17,7 +17,7 @@
 #
 create database mysqltest;
 create table mysqltest.t1(a int);
---exec chmod -r $MYSQLTEST_VARDIR/master-data/mysqltest
+chmod 0000 $MYSQLTEST_VARDIR/master-data/mysqltest;
 select table_schema from information_schema.tables where table_schema='mysqltest';
---exec chmod +r $MYSQLTEST_VARDIR/master-data/mysqltest
+exec chmod 0777 $MYSQLTEST_VARDIR/master-data/mysqltest;
 drop database mysqltest;

mysql-test/t/mysqltest.test

 # This test should work in embedded server after mysqltest is fixed
 -- source include/not_embedded.inc
 
+# This test uses chmod, can't be run with root permissions
+-- source include/not_as_root.inc
+
 # ============================================================================
 #
 # Test of mysqltest itself

mysql-test/t/rpl_rotate_logs.test

@@ -17,8 +17,10 @@ connect (master,localhost,root,,test,$MASTER_MYPORT,$MASTER_MYSOCK);
 drop table if exists t1, t2, t3, t4;
 --enable_warnings
 connect (slave,localhost,root,,test,$SLAVE_MYPORT,slave.sock);
-system cat /dev/null > $MYSQLTEST_VARDIR/slave-data/master.info;
-system chmod 000 $MYSQLTEST_VARDIR/slave-data/master.info;
+# Create empty file
+write_file $MYSQLTEST_VARDIR/slave-data/master.info;
+EOF
+chmod 0000 $MYSQLTEST_VARDIR/slave-data/master.info;
 connection slave;
 --disable_warnings
 drop table if exists t1, t2, t3, t4;
@@ -29,7 +31,7 @@ drop table if exists t1, t2, t3, t4;
 --replace_result $MYSQL_TEST_DIR TESTDIR
 --error 1105,1105,29
 start slave;
-system chmod 600  $MYSQLTEST_VARDIR/slave-data/master.info;
+chmod 0600  $MYSQLTEST_VARDIR/slave-data/master.info;
 # It will fail again because the file is empty so the slave cannot get valuable
 # info about how to connect to the master from it (failure in
 # init_strvar_from_file() in init_master_info()).

mysql-test/t/trigger.test

+# This test uses chmod, can't be run with root permissions
+-- source include/not_as_root.inc
+
+
 #
 # Basic triggers test
 #
@@ -1138,8 +1142,10 @@ select trigger_schema, trigger_name, event_object_schema,
        event_object_table, action_statement from information_schema.triggers
        where event_object_schema = 'test';
 # Trick which makes update of second .TRN file impossible
-system echo dummy >$MYSQLTEST_VARDIR/master-data/test/t1_ai.TRN~;
-system chmod 000 $MYSQLTEST_VARDIR/master-data/test/t1_ai.TRN~;
+write_file $MYSQLTEST_VARDIR/master-data/test/t1_ai.TRN~;
+dummy
+EOF
+chmod 0000 $MYSQLTEST_VARDIR/master-data/test/t1_ai.TRN~;
 --error 1
 rename table t1 to t2;
 # 't1' should be still there and triggers should work correctly
@@ -1148,8 +1154,8 @@ select @a, @b;
 select trigger_schema, trigger_name, event_object_schema,
        event_object_table, action_statement from information_schema.triggers
        where event_object_schema = 'test';
-system chmod 600 $MYSQLTEST_VARDIR/master-data/test/t1_ai.TRN~;
-system rm $MYSQLTEST_VARDIR/master-data/test/t1_ai.TRN~;
+chmod 0600 $MYSQLTEST_VARDIR/master-data/test/t1_ai.TRN~;
+remove_file $MYSQLTEST_VARDIR/master-data/test/t1_ai.TRN~;
 # Let us check that updates to .TRN files were rolled back too
 drop trigger t1_bi;
 drop trigger t1_ai;

mysql-test/t/varbinary.test

+# This test uses chmod, can't be run with root permissions
+-- source include/not_as_root.inc
+
+
 # Initialise
 --disable_warnings
 drop table if exists t1;