wpc009 commented on a change in pull request #18475:
URL: https://github.com/apache/flink/pull/18475#discussion_r791934091
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File path:
flink-streaming-java/src/test/java/org/apache/flink/streaming/runtime/tasks/MultipleInputStreamTaskTest.java
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@@ -101,10 +101,15 @@
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
+import org.junit.jupiter.api.Assertions;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameter;
import org.junit.runners.Parameterized.Parameters;
+import org.mockito.Mockito;
+import org.powermock.api.mockito.PowerMockito;
+import org.powermock.core.classloader.annotations.PrepareForTest;
+import org.powermock.modules.junit4.rule.PowerMockRule;
Review comment:
Without mockito, it's not easy to test the internal state of
**StreamMultipleInputProcessor**.
I didn't came up with other solution for this.
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