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/**
 * 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.
 *
 * Copyright 2012-2016 the original author or authors.
 */
package com.fitbur.assertj.api;

import org.junit.rules.TestRule;
import org.junit.runner.Description;
import org.junit.runners.model.MultipleFailureException;
import org.junit.runners.model.Statement;

/**
 * Same as {@link SoftAssertions}, but with the following differences: 

 * First, it's a junit rule, which can be used without having to call {@link SoftAssertions#assertAll() assertAll()},
 * example:
 *  public class SoftlyTest {
 *
 *     @Rule
 *     public final JUnitSoftAssertions softly = new JUnitSoftAssertions();
 *
 *     @Test
 *     public void testSoftly() throws Exception {
 *       softly.assertThat(1).isEqualTo(2);
 *       softly.assertThat(Lists.newArrayList(1, 2)).containsOnly(1, 2);
 *     }
 *  }
 *
 * Second, the failures are recognized by IDE's (like IntelliJ IDEA) which open a comparison window.
 */
public class JUnitSoftAssertions extends AbstractStandardSoftAssertions implements TestRule {

  public Statement apply(final Statement base, Description description) {
	return new Statement() {
	  @Override
	  public void evaluate() throws Throwable {
		base.evaluate();
		MultipleFailureException.assertEmpty(errorsCollected());
	  }
	};
  }

}