| /* |
| * Copyright (c) 2011 David Saff |
| * Copyright (c) 2011 Christian Gruber |
| * |
| * Licensed 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.junit.contrib.truth; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.junit.rules.MethodRule; |
| import org.junit.runners.model.FrameworkMethod; |
| import org.junit.runners.model.Statement; |
| |
| @SuppressWarnings("deprecation") |
| public class Expect extends TestVerb implements MethodRule { |
| protected static class ExpectationGatherer implements FailureStrategy { |
| List<String> messages = new ArrayList<String>(); |
| |
| @Override public void fail(String message) { |
| messages.add(message); |
| } |
| } |
| |
| private final ExpectationGatherer gatherer; |
| private boolean inRuleContext = false; |
| |
| public static Expect create() { |
| return new Expect(new ExpectationGatherer()); |
| } |
| |
| Expect(ExpectationGatherer gatherer) { |
| super(gatherer); |
| this.gatherer = gatherer; |
| } |
| |
| // TODO(cgruber): Make this override TestRule when 4.9 is released. |
| @Override public Statement apply(final Statement base, |
| FrameworkMethod method, Object target) { |
| inRuleContext = true; |
| return new Statement() { |
| |
| @Override public void evaluate() throws Throwable { |
| base.evaluate(); |
| if (!gatherer.messages.isEmpty()) { |
| String message = "All failed expectations:\n"; |
| for (int i = 0; i < gatherer.messages.size(); i++) { |
| message += " " + (i + 1) + ". " + gatherer.messages.get(i) + "\n"; |
| } |
| throw new AssertionError(message); |
| } |
| } |
| }; |
| } |
| } |