[hadoop-ozone] 01/01: HDDS-2254 : Fix flaky unit test TestContainerStateMachine#testRatisSnapshotRetention

[elek]

This is an automated email from the ASF dual-hosted git repository.

elek pushed a commit to branch HDDS-2254
in repository https://gitbox.apache.org/repos/asf/hadoop-ozone.git

commit 3a77480b0e0bef2d315ab1f9d875908fe1310c0c
Author: Aravindan Vijayan <avija...@cloudera.com>
AuthorDate: Sat Oct 5 08:48:37 2019 -0700

    HDDS-2254 : Fix flaky unit test 
TestContainerStateMachine#testRatisSnapshotRetention
---
 .../hadoop/ozone/client/rpc/TestContainerStateMachine.java    | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestContainerStateMachine.java
 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestContainerStateMachine.java
index 19a1707..21791d2 100644
--- 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestContainerStateMachine.java
+++ 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestContainerStateMachine.java
@@ -159,12 +159,6 @@ public class TestContainerStateMachine {
   @Test
   public void testRatisSnapshotRetention() throws Exception {
 
-    ContainerStateMachine stateMachine =
-        (ContainerStateMachine) ContainerTestHelper.getStateMachine(cluster);
-    SimpleStateMachineStorage storage =
-        (SimpleStateMachineStorage) stateMachine.getStateMachineStorage();
-    Assert.assertNull(storage.findLatestSnapshot());
-
     // Write 10 keys. Num snapshots should be equal to config value.
     for (int i = 1; i <= 10; i++) {
       OzoneOutputStream key =
@@ -180,9 +174,10 @@ public class TestContainerStateMachine {
     RatisServerConfiguration ratisServerConfiguration =
         conf.getObject(RatisServerConfiguration.class);
 
-    stateMachine =
+    ContainerStateMachine stateMachine =
         (ContainerStateMachine) ContainerTestHelper.getStateMachine(cluster);
-    storage = (SimpleStateMachineStorage) 
stateMachine.getStateMachineStorage();
+    SimpleStateMachineStorage storage = (SimpleStateMachineStorage)
+        stateMachine.getStateMachineStorage();
     Path parentPath = storage.findLatestSnapshot().getFile().getPath();
     int numSnapshots = parentPath.getParent().toFile().listFiles().length;
     Assert.assertTrue(Math.abs(ratisServerConfiguration


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