YARN-11761. [JDK17] Upgrade JUnit from 4 to 5 in hadoop-yarn-services-core. (#7374)

Co-authored-by: Ayush Saxena <[email protected]>
Co-authored-by: Chris Nauroth <[email protected]>
Reviewed-by: Ayush Saxena <[email protected]>
Reviewed-by: Chris Nauroth <[email protected]>
Signed-off-by: Shilun Fan <[email protected]>

Author: 3 people

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/test/java/org/apache/hadoop/yarn/service/ServiceTestUtils.java

@@ -51,8 +51,9 @@
 import org.apache.hadoop.yarn.service.utils.SliderFileSystem;
 import org.apache.hadoop.yarn.util.LinuxResourceCalculatorPlugin;
 import org.apache.hadoop.yarn.util.ProcfsBasedProcessTree;
-import org.junit.rules.TestWatcher;
-import org.junit.runner.Description;
+import org.junit.jupiter.api.extension.AfterEachCallback;
+import org.junit.jupiter.api.extension.BeforeEachCallback;
+import org.junit.jupiter.api.extension.ExtensionContext;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -393,17 +394,22 @@ protected CuratorService getCuratorService() throws IOException {
    * Watcher to initialize yarn service base path under target and deletes the
    * the test directory when finishes.
    */
-  public static class ServiceFSWatcher extends TestWatcher {
+  public static class ServiceFSWatcher implements BeforeEachCallback, AfterEachCallback {
     private YarnConfiguration conf;
     private SliderFileSystem fs;
     private java.nio.file.Path serviceBasePath;
 
     @Override
-    protected void starting(Description description) {
+    public void afterEach(ExtensionContext context) throws Exception {
+      delete(context);
+    }
+
+    @Override
+    public void beforeEach(ExtensionContext context) throws Exception {
       conf = new YarnConfiguration();
-      delete(description);
+      delete(context);
       serviceBasePath = Paths.get("target",
-          description.getClassName(), description.getMethodName());
+          getClassName(context), getMethodName(context));
       conf.set(YARN_SERVICE_BASE_PATH, serviceBasePath.toString());
       try {
         Files.createDirectories(serviceBasePath);
@@ -415,14 +421,17 @@ protected void starting(Description description) {
       }
     }
 
-    @Override
-    protected void finished(Description description) {
-      delete(description);
+    private void delete(ExtensionContext context) {
+      FileUtils.deleteQuietly(Paths.get("target", getClassName(context)).toFile());
+    }
+
+    private String getClassName(ExtensionContext context) {
+      Class<?> requiredTestClass = context.getRequiredTestClass();
+      return requiredTestClass.getName();
     }
 
-    private void delete(Description description) {
-      FileUtils.deleteQuietly(Paths.get("target",
-          description.getClassName()).toFile());
+    private String getMethodName(ExtensionContext context) {
+      return context.getTestMethod().get().getName();
     }
 
     /**

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/test/java/org/apache/hadoop/yarn/service/TestDefaultUpgradeComponentsFinder.java

@@ -22,12 +22,12 @@
 import org.apache.hadoop.yarn.service.api.records.ConfigFile;
 import org.apache.hadoop.yarn.service.api.records.Configuration;
 import org.apache.hadoop.yarn.service.api.records.Service;
-import org.junit.Assert;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import java.util.*;
 
-import static org.junit.Assert.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.fail;
 
 /**
  * Tests for {@link UpgradeComponentsFinder.DefaultUpgradeComponentsFinder}.
@@ -44,9 +44,9 @@ public void testServiceArtifactChange() {
     targetDef.getComponents().forEach(x -> x.setArtifact(
         TestServiceManager.createTestArtifact("v1")));
 
-    assertEquals("all components need upgrade",
-        targetDef.getComponents(), finder.findTargetComponentSpecs(currentDef,
-            targetDef));
+    assertEquals(targetDef.getComponents(),
+        finder.findTargetComponentSpecs(currentDef,
+        targetDef), "all components need upgrade");
   }
 
   @Test
@@ -60,7 +60,7 @@ public void testServiceUpgradeWithNewComponentAddition() {
 
     try {
       finder.findTargetComponentSpecs(currentDef, targetDef);
-      Assert.fail("Expected error since component does not exist in service "
+      fail("Expected error since component does not exist in service "
           + "definition");
     } catch (UnsupportedOperationException usoe) {
       assertEquals(
@@ -83,9 +83,8 @@ public void testComponentArtifactChange() {
     List<Component> expected = new ArrayList<>();
     expected.add(targetDef.getComponents().get(0));
 
-    assertEquals("single components needs upgrade",
-        expected, finder.findTargetComponentSpecs(currentDef,
-            targetDef));
+    assertEquals(expected, finder.findTargetComponentSpecs(currentDef,
+        targetDef), "single components needs upgrade");
   }
 
   @Test
@@ -117,7 +116,7 @@ public void testChangeInConfigFileProperty() {
     List<Component> expected = new ArrayList<>();
     expected.addAll(targetDef.getComponents());
 
-    assertEquals("all components needs upgrade",
-        expected, finder.findTargetComponentSpecs(currentDef, targetDef));
+    assertEquals(expected, finder.findTargetComponentSpecs(currentDef, targetDef),
+        "all components needs upgrade");
   }
 }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/test/java/org/apache/hadoop/yarn/service/TestServiceAM.java

@@ -51,11 +51,11 @@
 import org.apache.hadoop.yarn.service.conf.YarnServiceConf;
 import org.apache.hadoop.yarn.util.DockerClientConfigHandler;
 import org.apache.hadoop.yarn.util.resource.ResourceUtils;
-import org.junit.After;
-import org.junit.Assert;
-import org.junit.Before;
-import org.junit.Rule;
-import org.junit.Test;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.Timeout;
+import org.junit.jupiter.api.extension.RegisterExtension;
 import org.mockito.Mockito;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -71,7 +71,9 @@
 import java.util.concurrent.TimeoutException;
 
 import static org.apache.hadoop.registry.client.api.RegistryConstants.KEY_REGISTRY_ZK_QUORUM;
-import static org.junit.Assert.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+import static org.junit.jupiter.api.Assertions.fail;
 import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
 
@@ -83,11 +85,11 @@ public class TestServiceAM extends ServiceTestUtils{
   private File basedir;
   YarnConfiguration conf = new YarnConfiguration();
   TestingCluster zkCluster;
-  @Rule
-  public ServiceTestUtils.ServiceFSWatcher rule =
+  @RegisterExtension
+  private ServiceTestUtils.ServiceFSWatcher rule =
       new ServiceTestUtils.ServiceFSWatcher();
 
-  @Before
+  @BeforeEach
   public void setup() throws Exception {
     basedir = new File("target", "apps");
     if (basedir.exists()) {
@@ -101,7 +103,7 @@ public void setup() throws Exception {
     LOG.info("ZK cluster: {}", zkCluster.getConnectString());
   }
 
-  @After
+  @AfterEach
   public void tearDown() throws IOException {
     if (basedir != null) {
       FileUtils.deleteDirectory(basedir);
@@ -147,15 +149,15 @@ public void testContainerCompleted() throws TimeoutException,
 
     am.waitForCompInstanceState(compa0, ComponentInstanceState.INIT);
     // still 1 pending instance
-    Assert.assertEquals(1,
-        am.getComponent("compa").getPendingInstances().size());
+    assertEquals(1, am.getComponent("compa").getPendingInstances().size());
     am.stop();
   }
 
   // Test to verify that the containers of previous attempt are not prematurely
   // released. These containers are sent by the RM to the AM in the
   // heartbeat response.
-  @Test(timeout = 200000)
+  @Test
+  @Timeout(value = 200)
   public void testContainersFromPreviousAttemptsWithRMRestart()
       throws Exception {
     ApplicationId applicationId = ApplicationId.newInstance(
@@ -182,23 +184,23 @@ public void testContainersFromPreviousAttemptsWithRMRestart()
     am.waitForCompInstanceState(comp10, ComponentInstanceState.STARTED);
 
     // 0 pending instance
-    Assert.assertEquals(0,
+    assertEquals(0,
         am.getComponent(comp1Name).getPendingInstances().size());
 
     GenericTestUtils.waitFor(() -> am.getCompInstance(comp1Name, comp1InstName)
         .getContainerStatus() != null, 2000, 200000);
 
-    Assert.assertEquals("container state",
-        org.apache.hadoop.yarn.api.records.ContainerState.RUNNING,
+    assertEquals(org.apache.hadoop.yarn.api.records.ContainerState.RUNNING,
         am.getCompInstance(comp1Name, comp1InstName).getContainerStatus()
-            .getState());
+        .getState(), "container state");
     am.stop();
   }
 
   // Test to verify that the containers of previous attempt are released and the
   // component instance is added to the pending queue when the recovery wait
   // time interval elapses.
-  @Test(timeout = 200000)
+  @Test
+  @Timeout(value = 200)
   public void testContainersReleasedWhenExpired()
       throws Exception {
     ApplicationId applicationId = ApplicationId.newInstance(
@@ -225,22 +227,22 @@ public void testContainersReleasedWhenExpired()
         .equals(ComponentState.FLEXING), 100, 2000);
 
     // 1 pending instance
-    Assert.assertEquals(1, am.getComponent(comp1Name).getPendingInstances()
+    assertEquals(1, am.getComponent(comp1Name).getPendingInstances()
         .size());
 
     am.feedContainerToComp(exampleApp, 2, comp1Name);
 
     GenericTestUtils.waitFor(() -> am.getCompInstance(comp1Name, comp1InstName)
         .getContainerStatus() != null, 2000, 200000);
-    Assert.assertEquals("container state",
-        org.apache.hadoop.yarn.api.records.ContainerState.RUNNING,
+    assertEquals(org.apache.hadoop.yarn.api.records.ContainerState.RUNNING,
         am.getCompInstance(comp1Name, comp1InstName).getContainerStatus()
-            .getState());
+        .getState(), "container state");
   }
 
   // Test to verify that the AM doesn't wait for containers of a different app
   // even though it corresponds to the same service.
-  @Test(timeout = 200000)
+  @Test
+  @Timeout(value = 200)
   public void testContainersFromDifferentApp()
       throws Exception {
     ApplicationId applicationId = ApplicationId.newInstance(
@@ -268,17 +270,16 @@ public void testContainersFromDifferentApp()
     am.start();
     // 1 pending instance since the container in registry belongs to a different
     // app.
-    Assert.assertEquals(1,
+    assertEquals(1,
         am.getComponent(comp1Name).getPendingInstances().size());
 
     am.feedContainerToComp(exampleApp, 1, comp1Name);
     GenericTestUtils.waitFor(() -> am.getCompInstance(comp1Name, comp1InstName)
         .getContainerStatus() != null, 2000, 200000);
 
-    Assert.assertEquals("container state",
-        org.apache.hadoop.yarn.api.records.ContainerState.RUNNING,
+    assertEquals(org.apache.hadoop.yarn.api.records.ContainerState.RUNNING,
         am.getCompInstance(comp1Name, comp1InstName).getContainerStatus()
-            .getState());
+        .getState(), "container state");
     am.stop();
   }
 
@@ -314,13 +315,12 @@ public void testScheduleWithMultipleResourceTypes()
 
     Collection<AMRMClient.ContainerRequest> rr =
         amrmClientAsync.getMatchingRequests(0);
-    Assert.assertEquals(1, rr.size());
+    assertEquals(1, rr.size());
 
     org.apache.hadoop.yarn.api.records.Resource capability =
         rr.iterator().next().getCapability();
-    Assert.assertEquals(3333L, capability.getResourceValue("resource-1"));
-    Assert.assertEquals("Gi",
-        capability.getResourceInformation("resource-1").getUnits());
+    assertEquals(3333L, capability.getResourceValue("resource-1"));
+    assertEquals("Gi", capability.getResourceInformation("resource-1").getUnits());
 
     am.stop();
   }
@@ -432,8 +432,7 @@ public void testRecordTokensForContainers() throws Exception {
 
     assertEquals(2, amCreds.numberOfTokens());
     for (Token<? extends TokenIdentifier> tk : amCreds.getAllTokens()) {
-      Assert.assertTrue(
-          tk.getKind().equals(DockerCredentialTokenIdentifier.KIND));
+      assertTrue(tk.getKind().equals(DockerCredentialTokenIdentifier.KIND));
     }
 
     am.stop();
@@ -463,7 +462,7 @@ public void testIPChange() throws TimeoutException,
     GenericTestUtils.waitFor(() -> comp1inst0.getContainerStatus() != null,
         2000, 200000);
     // first host status will match the container nodeId
-    Assert.assertEquals("localhost",
+    assertEquals("localhost",
         comp1inst0.getContainerStatus().getHost());
 
     LOG.info("Change the IP and host");
@@ -491,7 +490,8 @@ public void testIPChange() throws TimeoutException,
    In case the id is set to null or unset so it is effectively null,
    Path.checkPathArg throws an IllegalArgumentException.
   **/
-  @Test(timeout = 30000)
+  @Test
+  @Timeout(value = 30)
   public void testContainersReleasedWhenPreLaunchFails()
       throws Exception {
     ApplicationId applicationId = ApplicationId.newInstance(
@@ -522,12 +522,12 @@ public void testContainersReleasedWhenPreLaunchFails()
         am.getComponent(compA.getName()).getPendingInstances()
         .contains(compAinst0), 2000, 30000);
 
-    Assert.assertEquals(1,
-        am.getComponent("compa").getPendingInstances().size());
+    assertEquals(1, am.getComponent("compa").getPendingInstances().size());
     am.stop();
   }
 
-  @Test(timeout = 30000)
+  @Test
+  @Timeout(value = 30)
   public void testSyncSysFS() {
     ApplicationId applicationId = ApplicationId.newInstance(
         System.currentTimeMillis(), 1);
@@ -554,7 +554,7 @@ public void testSyncSysFS() {
       am.close();
     } catch (Exception e) {
       LOG.error("Fail to sync sysfs.", e);
-      Assert.fail("Fail to sync sysfs.");
+      fail("Fail to sync sysfs.");
     }
   }
 
@@ -593,14 +593,14 @@ public void testScheduleWithResourceAttributes() throws Exception {
 
     Collection<AMRMClient.ContainerRequest> rr =
         amrmClientAsync.getMatchingRequests(0);
-    Assert.assertEquals(1, rr.size());
+    assertEquals(1, rr.size());
 
     org.apache.hadoop.yarn.api.records.Resource capability =
         rr.iterator().next().getCapability();
-    Assert.assertEquals(1234L, capability.getResourceValue("test-resource"));
-    Assert.assertEquals("Gi",
+    assertEquals(1234L, capability.getResourceValue("test-resource"));
+    assertEquals("Gi",
         capability.getResourceInformation("test-resource").getUnits());
-    Assert.assertEquals(2, capability.getResourceInformation("test-resource")
+    assertEquals(2, capability.getResourceInformation("test-resource")
         .getAttributes().size());
     am.stop();
   }