| /******************************************************************************* |
| * Copyright (c) 2015, 2018 Conrad Groth and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Conrad Groth - Testing my fix, that validation status is set in the correct realm |
| ******************************************************************************/ |
| package org.eclipse.core.tests.internal.databinding; |
| |
| import static org.junit.Assert.assertNull; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Set; |
| import java.util.concurrent.atomic.AtomicReference; |
| |
| import org.eclipse.core.databinding.DataBindingContext; |
| import org.eclipse.core.databinding.observable.IObservable; |
| import org.eclipse.core.databinding.observable.list.ComputedList; |
| import org.eclipse.core.databinding.observable.list.IObservableList; |
| import org.eclipse.core.databinding.observable.list.WritableList; |
| import org.eclipse.core.databinding.observable.set.ComputedSet; |
| import org.eclipse.core.databinding.observable.set.IObservableSet; |
| import org.eclipse.core.databinding.observable.set.ObservableSet; |
| import org.eclipse.core.databinding.observable.set.WritableSet; |
| import org.eclipse.core.databinding.observable.value.ComputedValue; |
| import org.eclipse.core.databinding.observable.value.IObservableValue; |
| import org.eclipse.core.databinding.observable.value.WritableValue; |
| import org.eclipse.core.databinding.util.ILogger; |
| import org.eclipse.core.databinding.util.Policy; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.tests.databinding.observable.ThreadRealm; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| public class DifferentRealmsBindingTest { |
| |
| ThreadRealm validationRealm = new ThreadRealm(); |
| ThreadRealm targetRealm = new ThreadRealm(); |
| ThreadRealm modelRealm = new ThreadRealm(); |
| ThreadRealm mainThread = new ThreadRealm(); |
| |
| List<IStatus> errorStatusses = new ArrayList<>(); |
| |
| DataBindingContext dbc; |
| ILogger logger = new ILogger() { |
| @Override |
| public void log(IStatus status) { |
| if (!status.isOK()) { |
| errorStatusses.add(status); |
| } |
| } |
| }; |
| |
| @Before |
| public void setUp() throws Exception { |
| errorStatusses.clear(); |
| initRealm(targetRealm, true); |
| initRealm(modelRealm, true); |
| initRealm(validationRealm, false); |
| mainThread.init(Thread.currentThread()); |
| |
| dbc = new DataBindingContext(validationRealm); |
| Policy.setLog(logger); |
| } |
| |
| private void initRealm(final ThreadRealm realm, final boolean block) { |
| new Thread() { |
| @Override |
| public void run() { |
| realm.init(Thread.currentThread()); |
| if (block) { |
| realm.block(); |
| } |
| } |
| }.start(); |
| if (block) { |
| realm.waitUntilBlocking(); |
| } |
| } |
| |
| @After |
| public void tearDown() throws Exception { |
| validationRealm.exec(() -> dbc.dispose()); |
| } |
| |
| @Test |
| public void testListBindingValidationRealm() throws Throwable { |
| final IObservableList<?> model = new WritableList<>(targetRealm); |
| final IObservableList<?> target = new WritableList<>(targetRealm); |
| |
| dbc.bindList(target, model); |
| targetRealm.waitUntilBlocking(); |
| targetRealm.processQueue(); |
| targetRealm.unblock(); |
| assertTrue(errorStatusses.toString(), errorStatusses.isEmpty()); |
| } |
| |
| @Test |
| public void testSetBindingValidationRealm() throws Throwable { |
| final IObservableSet<?> model = new WritableSet<>(targetRealm); |
| final IObservableSet<?> target = new WritableSet<>(targetRealm); |
| |
| dbc.bindSet(target, model); |
| targetRealm.waitUntilBlocking(); |
| targetRealm.processQueue(); |
| targetRealm.unblock(); |
| assertTrue(errorStatusses.toString(), errorStatusses.isEmpty()); |
| } |
| |
| @Test |
| public void testBindingCanBeCreatedOutsideOfValidationRealm() throws Exception { |
| final ObservableSet<String> model = new WritableSet<>(targetRealm); |
| final ObservableSet<String> target = new WritableSet<>(targetRealm); |
| |
| targetRealm.unblock(); |
| |
| AtomicReference<Exception> exceptionOccured = new AtomicReference<>(); |
| Thread t = new Thread() { |
| @Override |
| public void run() { |
| try { |
| dbc.bindSet(target, model); |
| } catch (Exception e) { |
| exceptionOccured.set(e); |
| } |
| } |
| }; |
| t.start(); |
| t.join(1000); |
| |
| assertNull(exceptionOccured.get()); |
| } |
| |
| @Test |
| public void testBindComputedListToWritableListInDifferentRealm() { |
| final IObservableValue<String> modelValue = new WritableValue<>(mainThread); |
| final IObservableList<String> model = new ComputedList<String>(mainThread) { |
| @Override |
| protected List<String> calculate() { |
| return Collections.singletonList(modelValue.getValue()); |
| } |
| }; |
| final IObservableList<String> target = new WritableList<>(targetRealm); |
| |
| dbc.bindList(target, model); |
| modelValue.setValue("Test"); |
| targetRealm.waitUntilBlocking(); |
| targetRealm.processQueue(); |
| targetRealm.unblock(); |
| assertTrue(errorStatusses.toString(), errorStatusses.isEmpty()); |
| } |
| |
| @Test |
| public void testBindComputedSetToWritableSetInDifferentRealm() { |
| final IObservableValue<String> modelValue = new WritableValue<>(mainThread); |
| final IObservableSet<String> model = new ComputedSet<String>(mainThread) { |
| @Override |
| protected Set<String> calculate() { |
| return Collections.singleton(modelValue.getValue()); |
| } |
| }; |
| final IObservableSet<String> target = new WritableSet<>(targetRealm); |
| |
| dbc.bindSet(target, model); |
| modelValue.setValue("Test"); |
| targetRealm.waitUntilBlocking(); |
| targetRealm.processQueue(); |
| targetRealm.unblock(); |
| assertTrue(errorStatusses.toString(), errorStatusses.isEmpty()); |
| } |
| |
| @Test |
| public void testBindComputedValueToWritableValueInDifferentRealm() { |
| final IObservableValue<String> modelValue = new WritableValue<>(mainThread); |
| final IObservableValue<String> model = new ComputedValue<String>(mainThread) { |
| @Override |
| protected String calculate() { |
| return modelValue.getValue(); |
| } |
| }; |
| final IObservableValue<String> target = new WritableValue<>(targetRealm); |
| |
| dbc.bindValue(target, model); |
| modelValue.setValue("Test"); |
| targetRealm.waitUntilBlocking(); |
| targetRealm.processQueue(); |
| targetRealm.unblock(); |
| assertTrue(errorStatusses.toString(), errorStatusses.isEmpty()); |
| } |
| |
| @Test |
| public void testSetBindingUpdatesDontInterferWithObservableDisposing() throws Exception { |
| final IObservableSet<String> model = new WritableSet<>(modelRealm); |
| final IObservableSet<String> target = new WritableSet<>(targetRealm); |
| dbc.bindSet(target, model); |
| |
| waitForBindingInitiated(); |
| |
| modelRealm.exec(() -> model.add("one")); |
| |
| testDisposeRaceCondition(target); |
| } |
| |
| @Test |
| public void testListBindingUpdatesDontInterferWithObservableDisposing() throws Exception { |
| final IObservableList<String> model = new WritableList<>(modelRealm); |
| final IObservableList<String> target = new WritableList<>(targetRealm); |
| dbc.bindList(target, model); |
| |
| waitForBindingInitiated(); |
| |
| modelRealm.exec(() -> model.add("one")); |
| |
| testDisposeRaceCondition(target); |
| } |
| |
| @Test |
| public void testValueBindingUpdatesDontInterferWithObservableDisposing() throws Exception { |
| final IObservableValue<String> model = new WritableValue<>(modelRealm); |
| final IObservableValue<String> target = new WritableValue<>(targetRealm); |
| dbc.bindValue(target, model); |
| |
| waitForBindingInitiated(); |
| |
| modelRealm.exec(() -> model.setValue("one")); |
| |
| testDisposeRaceCondition(target); |
| } |
| |
| private void testDisposeRaceCondition(final IObservable target) { |
| modelRealm.processQueue(); |
| targetRealm.waitUntilBlocking(); |
| |
| target.dispose(); |
| |
| modelRealm.unblock(); |
| targetRealm.processQueue(); |
| targetRealm.unblock(); |
| validationRealm.unblock(); |
| |
| assertTrue(errorStatusses.toString(), errorStatusses.isEmpty()); |
| } |
| |
| private void waitForBindingInitiated() { |
| modelRealm.waitUntilBlocking(); |
| modelRealm.processQueue(); |
| |
| targetRealm.waitUntilBlocking(); |
| targetRealm.processQueue(); |
| } |
| } |