[GitHub] [kafka] cadonna commented on a change in pull request #8541: KAFKA-6145: KIP-441: Add TaskAssignor class config

[GitBox]

cadonna commented on a change in pull request #8541:
URL: https://github.com/apache/kafka/pull/8541#discussion_r416761719



##########
File path: 
streams/src/test/java/org/apache/kafka/streams/processor/internals/assignment/HighAvailabilityTaskAssignorTest.java
##########
@@ -41,132 +54,107 @@
 import static org.easymock.EasyMock.replay;
 import static org.hamcrest.CoreMatchers.equalTo;
 import static org.hamcrest.MatcherAssert.assertThat;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertTrue;
-
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.Map;
-import java.util.Set;
-import java.util.UUID;
-import org.apache.kafka.streams.processor.TaskId;
-import 
org.apache.kafka.streams.processor.internals.assignment.AssignorConfiguration.AssignmentConfigs;
-import org.easymock.EasyMock;
-import org.junit.Test;
+import static org.hamcrest.Matchers.empty;
+import static org.hamcrest.Matchers.is;
+import static org.hamcrest.Matchers.not;
 
 public class HighAvailabilityTaskAssignorTest {
-    private long acceptableRecoveryLag = 100L;
-    private int balanceFactor = 1;
-    private int maxWarmupReplicas = 2;
-    private int numStandbyReplicas = 0;
-    private long probingRebalanceInterval = 60 * 1000L;
-
-    private Map<UUID, ClientState> clientStates = new HashMap<>();
-    private Set<TaskId> allTasks = new HashSet<>();
-    private Set<TaskId> statefulTasks = new HashSet<>();
-
-    private ClientState client1;
-    private ClientState client2;
-    private ClientState client3;
-    
-    private HighAvailabilityTaskAssignor taskAssignor;
-
-    private void createTaskAssignor() {
-        final AssignmentConfigs configs = new AssignmentConfigs(
-            acceptableRecoveryLag,
-            balanceFactor,
-            maxWarmupReplicas,
-            numStandbyReplicas,
-            probingRebalanceInterval
-        );
-        taskAssignor = new HighAvailabilityTaskAssignor(
-            clientStates,
-            allTasks,
-            statefulTasks,
-            configs);
-    }
+    private final AssignmentConfigs configWithoutStandbys = new 
AssignmentConfigs(
+        /*acceptableRecoveryLag*/ 100L,
+        /*balanceFactor*/ 1,
+        /*maxWarmupReplicas*/ 2,
+        /*numStandbyReplicas*/ 0,
+        /*probingRebalanceIntervalMs*/ 60 * 1000L
+    );
+
+    private final AssignmentConfigs configWithStandbys = new AssignmentConfigs(
+        /*acceptableRecoveryLag*/ 100L,
+        /*balanceFactor*/ 1,
+        /*maxWarmupReplicas*/ 2,
+        /*numStandbyReplicas*/ 1,
+        /*probingRebalanceIntervalMs*/ 60 * 1000L
+    );
 
-    @Test
-    public void 
shouldDecidePreviousAssignmentIsInvalidIfThereAreUnassignedActiveTasks() {
-        client1 = EasyMock.createNiceMock(ClientState.class);
-        expect(client1.prevActiveTasks()).andReturn(singleton(TASK_0_0));
-        expect(client1.prevStandbyTasks()).andStubReturn(EMPTY_TASKS);
-        replay(client1);
-        allTasks =  mkSet(TASK_0_0, TASK_0_1);
-        clientStates = singletonMap(UUID_1, client1);
-        createTaskAssignor();
 
-        assertFalse(taskAssignor.previousAssignmentIsValid());

Review comment:
       req: I think, you can now restrict access to 
`previousAssignmentIsValid()` to `private`.




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