Package sample.atomikos

Source Code of sample.atomikos.SampleAtomikosApplicationTests

/*
* Copyright 2012-2014 the original author or authors.
*
* 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 sample.atomikos;

import org.hamcrest.Matcher;
import org.hamcrest.core.SubstringMatcher;
import org.junit.Rule;
import org.junit.Test;
import org.springframework.boot.test.OutputCapture;

import static org.junit.Assert.assertThat;

/**
* Basic integration tests for demo application.
*
* @author Phillip Webb
*/
public class SampleAtomikosApplicationTests {

  @Rule
  public OutputCapture outputCapture = new OutputCapture();

  @Test
  public void testTransactionRollback() throws Exception {
    SampleAtomikosApplication.main(new String[] {});
    String output = this.outputCapture.toString();
    assertThat(output, containsString(1, "---->"));
    assertThat(output, containsString(1, "----> josh"));
    assertThat(output, containsString(2, "Count is 1"));
    assertThat(output, containsString(1, "Simulated error"));
  }

  private Matcher<? super String> containsString(final int times, String s) {
    return new SubstringMatcher(s) {

      @Override
      protected String relationship() {
        return "containing " + times + " times";
      }

      @Override
      protected boolean evalSubstringOf(String s) {
        int i = 0;
        while (s.contains(this.substring)) {
          s = s.substring(s.indexOf(this.substring) + this.substring.length());
          i++;
        }
        return i == times;
      }

    };
  }

}
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