[GitHub] [incubator-shardingsphere] dongzl commented on a change in pull request #4531: Add unit test case for sharding-orchestration-center-apollo module #4451

[GitBox <gi...@apache.org>]

dongzl commented on a change in pull request #4531: Add unit test case for sharding-orchestration-center-apollo module #4451
URL: https://github.com/apache/incubator-shardingsphere/pull/4531#discussion_r386077049
 
 

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 File path: sharding-orchestration/sharding-orchestration-center/sharding-orchestration-center-apollo/src/test/java/org/apache/shardingsphere/orchestration/center/instance/ApolloInstanceTest.java
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 @@ -82,4 +91,65 @@ public void onChange(final DataChangedEvent dataChangedEvent) {
         assertThat(changeEvent.getValue(), is("value3"));
         assertThat(changeEvent.getChangedType(), is(DataChangedEvent.ChangedType.UPDATED));
     }
+
+    @Test
+    @SneakyThrows
+    public void assertGetWithNonExistentKey() {
+        when(openApiWrapper.getValue(eq("test.nonExistentKey"))).thenReturn(null);
 
 Review comment:
   If assert null, we can assert directly, no need `when ... thenReturn`.

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