add integration test

Signed-off-by: Leavrth <jianjun.liao@outlook.com>

br/pkg/task/stream.go

@@ -1049,7 +1049,7 @@ func checkTaskExists(ctx context.Context, cfg *RestoreConfig) error {
 		return err
 	}
 	if len(tasks) > 0 {
-		return errors.Errorf("log backup task is running: %s, please stop the task before restore, and after PITR operation finished, create log-backup task again and create a full backup on this cluster.", tasks[0].Info.Name)
+		return errors.Errorf("log backup task is running: %s, please stop the task before restore, and after PITR operation finished, create log-backup task again and create a full backup on this cluster", tasks[0].Info.Name)
 	}
 	return nil
 }

br/tests/br_restore_log_task_enable/run.sh

@@ -0,0 +1,56 @@
+#!/bin/sh
+#
+# Copyright 2022 PingCAP, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+set -eux
+DB="$TEST_NAME"
+TABLE="usertable"
+
+# start log task
+run_br log start --task-name 1234 -s "local://$TEST_DIR/$DB/log" --pd $PD_ADDR
+
+run_sql "CREATE DATABASE $DB;"
+run_sql "CREATE TABLE $DB.$TABLE (id int);"
+run_sql "INSERT INTO $DB.$TABLE VALUES (1), (2), (3);"
+
+# backup full
+run_br backup full -s "local://$TEST_DIR/$DB/full" --pd $PD_ADDR
+
+# clean db
+run_sql "DROP DATABASE $DB;"
+
+# restore full (should be failed)
+run_br restore full -s "local://$TEST_DIR/$DB/full" --pd $PD_ADDR && exit 1
+
+# restore point (should be failed)
+run_br restore point -s "local://$TEST_DIR/$DB/log" --pd $PD_ADDR && exit 1
+
+# pause log task
+run_br log pause --task-name 1234 --pd $PD_ADDR
+
+# restore full (should be failed)
+run_br restore full -s "local://$TEST_DIR/$DB/full" --pd $PD_ADDR && exit 1
+
+# restore point (should be failed)
+run_br restore point -s "local://$TEST_DIR/$DB/log" --pd $PD_ADDR && exit 1
+
+# stop log task
+run_br log stop --task-name 1234 --pd $PD_ADDR
+
+# restore full (should be success)
+run_br restore full -s "local://$TEST_DIR/$DB/full" --pd $PD_ADDR
+
+# clean db
+run_sql "DROP DATABASE $DB"