From f7181a5e04a1e67df735e568f5b974122b514b88 Mon Sep 17 00:00:00 2001
From: Shuduo Sang <sdsang@taosdata.com>
Date: Thu, 21 May 2020 18:05:29 +0800
Subject: [PATCH] add function to delete data files.

---
 tests/pytest/random-test/random-test.py | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/tests/pytest/random-test/random-test.py b/tests/pytest/random-test/random-test.py
index 7caa07e5d2..4e1e6ac2fa 100644
--- a/tests/pytest/random-test/random-test.py
+++ b/tests/pytest/random-test/random-test.py
@@ -108,6 +108,18 @@ class Test:
         tdDnodes.start(1)
         tdSql.prepare()
 
+    def delete_datafiles(self):
+        tdLog.info("delete data files")
+        dnodesDir = tdDnodes.getDnodesRootDir()
+        dataDir = dnodesDir + '/dnode1/*'
+        deleteCmd = 'rm -rf %s' % dataDir
+        os.system(deleteCmd)
+
+        self.current_tb = ""
+        self.last_tb = ""
+        self.written = 0
+        tdDnodes.start(1)
+        tdSql.prepare()
 
 class TDTestCase:
     def init(self, conn, logSql):
@@ -129,10 +141,11 @@ class TDTestCase:
             7: test.drop_table,
             8: test.reset_query_cache,
             9: test.reset_database,
+            10: test.delete_datafiles,
         }
 
         for x in range(1, 100):
-            r = random.randint(1, 9)
+            r = random.randint(1, 10)
             tdLog.notice("iteration %d run func %d" % (x, r))
             switch.get(r, lambda: "ERROR")()
 
-- 
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