From f6e26868c58f884438e191aeb786ecb11dc380b3 Mon Sep 17 00:00:00 2001
From: Shengliang Guan <slguan@taosdata.com>
Date: Tue, 13 Oct 2020 14:35:27 +0800
Subject: [PATCH] TD-1652

---
 src/common/src/tglobal.c             |   2 +
 tests/script/jenkins/basic.txt       |   1 +
 tests/script/unique/dnode/simple.sim | 147 +++++++++++++++++++++++++++
 3 files changed, 150 insertions(+)
 create mode 100644 tests/script/unique/dnode/simple.sim

diff --git a/src/common/src/tglobal.c b/src/common/src/tglobal.c
index b34b0e0b08..c24ba490ba 100644
--- a/src/common/src/tglobal.c
+++ b/src/common/src/tglobal.c
@@ -308,6 +308,8 @@ bool taosCfgDynamicOptions(char *msg) {
 
 static void doInitGlobalConfig(void) {
   osInit();
+  srand(taosSafeRand());
+
   SGlobalCfg cfg = {0};
   
   // ip address
diff --git a/tests/script/jenkins/basic.txt b/tests/script/jenkins/basic.txt
index 977ef452ab..4e68d1566a 100644
--- a/tests/script/jenkins/basic.txt
+++ b/tests/script/jenkins/basic.txt
@@ -272,6 +272,7 @@ cd ../../../debug; make
 ./test.sh -f unique/db/replica_part.sim
 
 ./test.sh -f unique/dnode/alternativeRole.sim
+./test.sh -f unique/dnode/simple.sim
 ./test.sh -f unique/dnode/balance1.sim
 ./test.sh -f unique/dnode/balance2.sim
 ./test.sh -f unique/dnode/balance3.sim
diff --git a/tests/script/unique/dnode/simple.sim b/tests/script/unique/dnode/simple.sim
new file mode 100644
index 0000000000..014e2dd04f
--- /dev/null
+++ b/tests/script/unique/dnode/simple.sim
@@ -0,0 +1,147 @@
+system sh/stop_dnodes.sh
+
+system sh/deploy.sh -n dnode1 -i 1
+system sh/deploy.sh -n dnode2 -i 2
+system sh/deploy.sh -n dnode3 -i 3
+system sh/deploy.sh -n dnode4 -i 4
+
+print ========== step1
+system sh/exec.sh -n dnode1 -s start
+sql connect
+
+sql create dnode $hostname2
+system sh/exec.sh -n dnode2 -s start
+sql create dnode $hostname3
+system sh/exec.sh -n dnode3 -s start
+sleep 3000
+
+sql create database d1 replica 2  
+sql create table d1.t1 (t timestamp, i int)
+sql insert into d1.t1 values(now+1s, 15)
+sql insert into d1.t1 values(now+2s, 14)
+sql insert into d1.t1 values(now+3s, 13)
+sql insert into d1.t1 values(now+4s, 12)
+sql insert into d1.t1 values(now+5s, 11)
+
+sql show dnodes
+print dnode1 openVnodes $data2_1
+print dnode2 openVnodes $data2_2
+print dnode3 openVnodes $data2_3
+print dnode4 openVnodes $data2_4
+if $data2_1 != 0 then
+	return -1
+endi
+if $data2_2 != 1 then
+	return -1
+endi
+if $data2_3 != 1 then
+	return -1
+endi
+if $data2_4 != null then
+	return -1
+endi
+
+print ========== step2
+sql create dnode $hostname4
+system sh/exec.sh -n dnode4 -s start
+sleep 3000
+
+sql show dnodes
+print dnode1 openVnodes $data2_1
+print dnode2 openVnodes $data2_2
+print dnode3 openVnodes $data2_3
+print dnode4 openVnodes $data2_4
+if $data2_1 != 0 then
+	return -1
+endi
+if $data2_2 != 1 then
+	return -1
+endi
+if $data2_3 != 1 then
+	return -1
+endi
+if $data2_4 != 0 then
+	return -1
+endi
+
+print ========== step3
+sql drop dnode $hostname2
+
+$x = 0
+show3: 
+	$x = $x + 1
+	sleep 2000
+	if $x == 10 then
+		return -1
+	endi
+	
+sql show dnodes
+print dnode1 openVnodes $data2_1
+print dnode2 openVnodes $data2_2
+print dnode3 openVnodes $data2_3
+print dnode4 openVnodes $data2_4
+if $data2_1 != 0 then
+	goto show3
+endi
+if $data2_2 != null then
+	goto show3
+endi
+if $data2_3 != 1 then
+	goto show3
+endi
+if $data2_4 != 1 then
+	goto show3
+endi
+
+print ========== step4
+sql drop dnode $hostname3
+
+$x = 0
+show4: 
+	$x = $x + 1
+	sleep 2000
+	if $x == 10 then
+		return -1
+	endi
+	
+sql show dnodes
+print dnode1 openVnodes $data2_1
+print dnode2 openVnodes $data2_2
+print dnode3 openVnodes $data2_3
+print dnode4 openVnodes $data2_4
+if $data2_1 != 1 then
+	goto show4
+endi
+if $data2_2 != null then
+	goto show4
+endi
+if $data2_3 != null then
+	goto show4
+endi
+if $data2_4 != 1 then
+	goto show4
+endi
+
+print ========== step5
+sql select * from d1.t1 order by t desc
+print $data01 $data11 $data21 $data31 $data41 
+if $data01 != 11 then
+  return -1
+endi
+if $data11 != 12 then
+  return -1
+endi
+if $data21 != 13 then
+  return -1
+endi
+if $data31 != 14 then
+  return -1
+endi
+if $data41 != 15 then
+  return -1
+endi
+
+system sh/exec.sh -n dnode1 -s stop  -x SIGINT
+system sh/exec.sh -n dnode2 -s stop  -x SIGINT
+system sh/exec.sh -n dnode3 -s stop  -x SIGINT
+system sh/exec.sh -n dnode4 -s stop  -x SIGINT
-- 
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