opendaylight/md-sal/mdsal-trace/dom-impl/src/test/java/org/opendaylight/controller/md/sal/trace/tests/TracingBrokerTest.java

   1 /*
   2  * Copyright (c) 2017 Red Hat, Inc. and others. All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.controller.md.sal.trace.tests;
   9
  10 import static com.google.common.truth.Truth.assertThat;
  11 import static java.nio.charset.StandardCharsets.UTF_8;
  12 import static org.mockito.Mockito.RETURNS_DEEP_STUBS;
  13 import static org.mockito.Mockito.mock;
  14
  15 import java.io.ByteArrayOutputStream;
  16 import java.io.PrintStream;
  17 import org.junit.Test;
  18 import org.opendaylight.controller.md.sal.dom.api.DOMDataBroker;
  19 import org.opendaylight.controller.md.sal.dom.api.DOMDataReadWriteTransaction;
  20 import org.opendaylight.controller.md.sal.dom.api.DOMTransactionChain;
  21 import org.opendaylight.controller.md.sal.trace.dom.impl.TracingBroker;
  22 import org.opendaylight.mdsal.binding.dom.codec.api.BindingNormalizedNodeSerializer;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.mdsaltrace.rev160908.Config;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.mdsaltrace.rev160908.ConfigBuilder;
  25
  26 /**
  27  * Test of {@link TracingBroker}.
  28  *
  29  * @author Michael Vorburger.ch
  30  */
  31 public class TracingBrokerTest {
  32
  33     @Test
  34     @SuppressWarnings({ "resource", "unused" }) // Finding resource leaks is the point of this test
  35     public void testPrintOpenTransactions() {
  36         DOMDataBroker domDataBroker = mock(DOMDataBroker.class, RETURNS_DEEP_STUBS);
  37         Config config = new ConfigBuilder().setTransactionDebugContextEnabled(true).build();
  38         BindingNormalizedNodeSerializer codec = mock(BindingNormalizedNodeSerializer.class);
  39         TracingBroker tracingBroker = new TracingBroker("mock", domDataBroker, config, codec);
  40
  41         for (int i = 0; i < 3; i++) {
  42             DOMDataReadWriteTransaction tx = tracingBroker.newReadWriteTransaction();
  43         }
  44         DOMDataReadWriteTransaction anotherTx = tracingBroker.newReadWriteTransaction();
  45
  46         DOMTransactionChain txChain = tracingBroker.createTransactionChain(null);
  47         DOMDataReadWriteTransaction txFromChain = txChain.newReadWriteTransaction();
  48
  49         ByteArrayOutputStream baos = new ByteArrayOutputStream();
  50         PrintStream ps = new PrintStream(baos);
  51         boolean printReturnValue = tracingBroker.printOpenTransactions(ps);
  52         String output = new String(baos.toByteArray(), UTF_8);
  53
  54         assertThat(printReturnValue).isTrue();
  55         // Assert expectations about stack trace
  56         assertThat(output).contains("testPrintOpenTransactions(TracingBrokerTest.java");
  57         assertThat(output).doesNotContain(TracingBroker.class.getName());
  58
  59         String previousLine = "";
  60         for (String line : output.split("\n")) {
  61             if (line.contains("(...")) {
  62                 assertThat(previousLine.contains("(...)")).isFalse();
  63             }
  64             previousLine = line;
  65         }
  66
  67         // assert that the sorting works - the x3 is shown before the x1
  68         assertThat(output).contains("  DataBroker : newReadWriteTransaction()\n    3x");
  69
  70         // We don't do any verify/times on the mocks,
  71         // because the main point of the test is just to verify that
  72         // printOpenTransactions runs through without any exceptions
  73         // (e.g. it used to have a ClassCastException).
  74     }
  75
  76 }