/*
* Licensed to the Apache Software Foundation (ASF) under one or more contributor license
* agreements. See the NOTICE file distributed with this work for additional information regarding
* copyright ownership. The ASF licenses this file to You under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the License. You may obtain a
* copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the License
* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
* or implied. See the License for the specific language governing permissions and limitations under
* the License.
*/
package org.apache.geode.test.dunit.tests;
import static org.apache.geode.test.dunit.Assert.*;
import static org.apache.geode.test.dunit.Invoke.*;
import static com.googlecode.catchexception.CatchException.*;
import static com.googlecode.catchexception.throwable.CatchThrowable.*;
import static org.hamcrest.Matchers.*;
import java.util.Properties;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.apache.geode.test.dunit.AsyncInvocation;
import org.apache.geode.test.dunit.DUnitEnv;
import org.apache.geode.test.dunit.Host;
import org.apache.geode.test.dunit.RMIException;
import org.apache.geode.test.dunit.VM;
import org.apache.geode.test.dunit.internal.JUnit4DistributedTestCase;
import org.apache.geode.test.junit.categories.DistributedTest;
/**
* This class tests the basic functionality of the distributed unit test framework.
*
* @see JUnit4BasicDUnitTest
*/
@Category(DistributedTest.class)
@SuppressWarnings("unused")
public class JUnit4BasicDUnitTest extends JUnit4DistributedTestCase {
private static final String MESSAGE_FOR_remoteThrowException = "Test exception. Please ignore.";
private static Properties bindings;
private VM vm0;
private VM vm1;
@BeforeClass
public static void setUpJUnit4BasicDUnitTest() throws Exception {
invokeInEveryVM(() -> bindings = new Properties());
}
@Override
public final void postSetUp() throws Exception {
this.vm0 = Host.getHost(0).getVM(0);
this.vm1 = Host.getHost(0).getVM(1);
}
@AfterClass
public static void tearDownJUnit4BasicDUnitTest() {
invokeInEveryVM(() -> bindings = null);
}
@Test
public void testPreconditions() {
invokeInEveryVM(
() -> assertThat("getUniqueName() must not return null", getUniqueName(), notNullValue()));
invokeInEveryVM(() -> assertThat("bindings must not be null", bindings, notNullValue()));
}
@Test
public void testInvokeOnClassTargetWithEmptyArgs() throws Exception {
assertThat(this.vm0.invoke(JUnit4BasicDUnitTest.class, "booleanValue", new Object[] {}),
is(true));
}
@Test
public void testInvokeOnObjectTargetWithEmptyArgs() throws Exception {
assertThat(this.vm0.invoke(new JUnit4BasicDUnitTest(), "booleanValue", new Object[] {}),
is(true));
}
@Test
public void testInvokeAsyncOnClassTargetWithEmptyArgs() throws Exception {
AsyncInvocation<?> async =
this.vm0.invokeAsync(JUnit4BasicDUnitTest.class, "booleanValue", new Object[] {}).join();
assertThat(async.getResult(), is(true));
}
@Test
public void testInvokeAsyncOnObjectTargetWithEmptyArgs() throws Exception {
AsyncInvocation<?> async =
this.vm0.invokeAsync(new JUnit4BasicDUnitTest(), "booleanValue", new Object[] {}).join();
assertThat(async.getResult(), is(true));
}
@Test
public void testInvokeOnClassTargetWithNullArgs() throws Exception {
assertThat(this.vm0.invoke(JUnit4BasicDUnitTest.class, "booleanValue", null), is(true));
}
@Test
public void testInvokeOnObjectTargetWithNullArgs() throws Exception {
assertThat(this.vm0.invoke(new JUnit4BasicDUnitTest(), "booleanValue", null), is(true));
}
@Test
public void testInvokeAsyncOnClassTargetWithNullArgs() throws Exception {
AsyncInvocation<?> async =
this.vm0.invokeAsync(JUnit4BasicDUnitTest.class, "booleanValue", null).join();
assertThat(async.getResult(), is(true));
}
@Test
public void testInvokeAsyncOnObjectTargetWithNullArgs() throws Exception {
AsyncInvocation<?> async =
this.vm0.invokeAsync(new JUnit4BasicDUnitTest(), "booleanValue", null).join();
assertThat(async.getResult(), is(true));
}
@Test
public void testRemoteInvocationWithException() throws Exception {
catchException(this.vm0).invoke(() -> remoteThrowException());
assertThat(caughtException(), instanceOf(RMIException.class));
assertThat(caughtException().getCause(), notNullValue());
assertThat(caughtException().getCause(), instanceOf(BasicTestException.class));
assertThat(caughtException().getCause().getMessage(), is(MESSAGE_FOR_remoteThrowException));
}
@Test
public void testInvokeWithLambda() throws Exception {
assertThat(this.vm0.invoke(() -> DUnitEnv.get().getVMID()), is(0));
assertThat(this.vm1.invoke(() -> DUnitEnv.get().getVMID()), is(1));
}
@Test
public void testInvokeLambdaAsync() throws Throwable {
assertThat(this.vm0.invokeAsync(() -> DUnitEnv.get().getVMID()).getResult(), is(0));
}
@Test
public void testInvokeWithNamedLambda() {
assertThat(this.vm0.invoke("getVMID", () -> DUnitEnv.get().getVMID()), is(0));
assertThat(this.vm1.invoke("getVMID", () -> DUnitEnv.get().getVMID()), is(1));
}
@Test
public void testInvokeNamedLambdaAsync() throws Throwable {
assertThat(this.vm0.invokeAsync("getVMID", () -> DUnitEnv.get().getVMID()).getResult(), is(0));
}
@Test
public void testRemoteInvokeAsync() throws Exception {
String name = getUniqueName();
String value = "Hello";
this.vm0.invokeAsync(() -> remoteBind(name, value)).join().checkException();
this.vm0.invokeAsync(() -> remoteValidateBind(name, value)).join().checkException();
}
@Test
public void testRemoteInvokeAsyncWithException() throws Exception {
AsyncInvocation<?> async = this.vm0.invokeAsync(() -> remoteThrowException()).join();
assertThat(async.exceptionOccurred(), is(true));
assertThat(async.getException(), instanceOf(BasicTestException.class));
catchThrowable(async).checkException();
assertThat(caughtThrowable(), instanceOf(AssertionError.class));
assertThat(caughtThrowable().getCause(), notNullValue());
assertThat(caughtThrowable().getCause(), instanceOf(BasicTestException.class));
assertThat(caughtThrowable().getCause().getMessage(), is(MESSAGE_FOR_remoteThrowException));
}
@Test
public void testInvokeNamedRunnableLambdaAsync() throws Exception {
catchThrowable(this.vm0.invokeAsync("throwSomething", () -> throwException()).join())
.checkException();
assertThat(caughtThrowable(), notNullValue());
assertThat(caughtThrowable().getCause(), notNullValue());
assertThat(caughtThrowable().getCause(), instanceOf(BasicDUnitException.class));
}
@Test
public void testInvokeNamedRunnableLambda() throws Exception {
catchException(this.vm0).invoke("throwSomething", () -> throwException());
assertThat(caughtException(), notNullValue());
assertThat(caughtException().getCause(), notNullValue());
assertThat(caughtException().getCause(), instanceOf(BasicDUnitException.class));
assertThat(caughtException().getCause().getMessage(), nullValue());
}
private static boolean booleanValue() { // invoked by reflection
return true;
}
private static boolean booleanValue(final boolean value) { // invoked by reflection
return value;
}
private static void remoteThrowException() {
throw new BasicTestException(MESSAGE_FOR_remoteThrowException);
}
private static void throwException() throws BasicDUnitException {
throw new BasicDUnitException();
}
private static void remoteBind(String name, String value) {
assertNotNull("name must not be null", name);
assertNotNull("value must not be null", value);
assertNotNull("bindings must not be null", bindings);
new JUnit4BasicDUnitTest().getSystem(); // forces connection
bindings.setProperty(name, value);
}
private static void remoteValidateBind(String name, String expected) {
assertEquals(expected, bindings.getProperty(name));
}
private static class BasicTestException extends RuntimeException {
BasicTestException() {
this("Test exception. Please ignore.");
}
BasicTestException(String s) {
super(s);
}
}
private static class BasicDUnitException extends RuntimeException {
public BasicDUnitException() {}
}
}