mirror of
https://github.com/badvision/lawless-legends.git
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108 lines
3.3 KiB
Java
108 lines
3.3 KiB
Java
/*
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* Copyright (C) 2015 The 8-Bit Bunch. Licensed under the Apache License, Version 1.1
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* (the "License"); you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at <http://www.apache.org/licenses/LICENSE-1.1>.
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* Unless required by applicable law or agreed to in writing, software distributed under
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* the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
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* ANY KIND, either express or implied. See the License for the specific language
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* governing permissions and limitations under the License.
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*/
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package org.badvision.outlaweditor.test;
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import java.util.concurrent.CountDownLatch;
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import javax.swing.SwingUtilities;
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import javafx.application.Platform;
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import javafx.embed.swing.JFXPanel;
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import org.junit.Rule;
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import org.junit.rules.TestRule;
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import org.junit.runner.Description;
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import org.junit.runners.model.Statement;
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/**
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* A JUnit {@link Rule} for running tests on the JavaFX thread and performing
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* JavaFX initialization. To include in your test case, add the following code:
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*
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* <pre>
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* {@literal @}Rule
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* public JavaFXThreadingRule jfxRule = new JavaFXThreadingRule();
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* </pre>
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*
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* @author Andy Till
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*
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*/
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public class JavaFXThreadingRule implements TestRule {
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/**
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* Flag for setting up the JavaFX, we only need to do this once for all tests.
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*/
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private static boolean jfxIsSetup;
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@Override
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public Statement apply(Statement statement, Description description) {
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return new OnJFXThreadStatement(statement);
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}
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private static class OnJFXThreadStatement extends Statement {
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private final Statement statement;
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public OnJFXThreadStatement(Statement aStatement) {
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statement = aStatement;
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}
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private Throwable rethrownException = null;
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@Override
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public void evaluate() throws Throwable {
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if(!jfxIsSetup) {
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setupJavaFX();
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jfxIsSetup = true;
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}
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final CountDownLatch countDownLatch = new CountDownLatch(1);
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Platform.runLater(() -> {
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try {
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statement.evaluate();
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} catch (Throwable e) {
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rethrownException = e;
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}
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countDownLatch.countDown();
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});
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countDownLatch.await();
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// if an exception was thrown by the statement during evaluation,
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// then re-throw it to fail the test
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if(rethrownException != null) {
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throw rethrownException;
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}
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}
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protected void setupJavaFX() throws InterruptedException {
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long timeMillis = System.currentTimeMillis();
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final CountDownLatch latch = new CountDownLatch(1);
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SwingUtilities.invokeLater(() -> {
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// initializes JavaFX environment
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new JFXPanel();
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latch.countDown();
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});
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System.out.println("javafx initialising...");
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latch.await();
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System.out.println("javafx is initialised in " + (System.currentTimeMillis() - timeMillis) + "ms");
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}
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}
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} |