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 java.util.Collections.singletonList;
  13 import static org.mockito.Mockito.RETURNS_DEEP_STUBS;
  14 import static org.mockito.Mockito.mock;
  15
  16 import java.io.ByteArrayOutputStream;
  17 import java.io.PrintStream;
  18 import org.junit.Test;
  19 import org.opendaylight.controller.md.sal.binding.test.DataBrokerTestModule;
  20 import org.opendaylight.controller.md.sal.dom.api.DOMDataBroker;
  21 import org.opendaylight.controller.md.sal.dom.api.DOMDataReadWriteTransaction;
  22 import org.opendaylight.controller.md.sal.dom.api.DOMTransactionChain;
  23 import org.opendaylight.controller.md.sal.trace.dom.impl.TracingBroker;
  24 import org.opendaylight.mdsal.binding.dom.codec.api.BindingNormalizedNodeSerializer;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.mdsaltrace.rev160908.Config;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.mdsaltrace.rev160908.ConfigBuilder;
  27
  28 /**
  29  * Test of {@link TracingBroker}.
  30  *
  31  * @author Michael Vorburger.ch
  32  */
  33 public class TracingBrokerTest {
  34
  35     @Test
  36     public void testEnd2End() {
  37         DataBrokerTestModule wiring = new DataBrokerTestModule(true);
  38         wiring.getDataBroker(); // required so DataBrokerTestModule creates the DOMDataBroker
  39         DOMDataBroker realDomBroker = wiring.getDOMDataBroker();
  40         TracingBroker tracingDomBroker = new TracingBroker("Test", realDomBroker, new ConfigBuilder()
  41                 // CONTROLLER-1877: configure it like the default/initial mdsaltrace_config.xml in mdsal-trace-api
  42                 .setTransactionDebugContextEnabled(true)
  43                 .setWriteWatches(singletonList("/this/will/never/exist"))
  44                 .setRegistrationWatches(singletonList("/this/will/never/exist"))
  45                 .build(),
  46                 wiring.getBindingToNormalizedNodeCodec());
  47         tracingDomBroker.newWriteOnlyTransaction().cancel();
  48     }
  49
  50     @Test
  51     @SuppressWarnings({ "resource", "unused" }) // Finding resource leaks is the point of this test
  52     public void testPrintOpenTransactions() {
  53         DOMDataBroker domDataBroker = mock(DOMDataBroker.class, RETURNS_DEEP_STUBS);
  54         Config config = new ConfigBuilder().setTransactionDebugContextEnabled(true).build();
  55         BindingNormalizedNodeSerializer codec = mock(BindingNormalizedNodeSerializer.class);
  56         TracingBroker tracingBroker = new TracingBroker("mock", domDataBroker, config, codec);
  57
  58         for (int i = 0; i < 3; i++) {
  59             DOMDataReadWriteTransaction tx = tracingBroker.newReadWriteTransaction();
  60         }
  61         DOMDataReadWriteTransaction anotherTx = tracingBroker.newReadWriteTransaction();
  62
  63         DOMTransactionChain txChain = tracingBroker.createTransactionChain(null);
  64         DOMDataReadWriteTransaction txFromChain = txChain.newReadWriteTransaction();
  65
  66         ByteArrayOutputStream baos = new ByteArrayOutputStream();
  67         PrintStream ps = new PrintStream(baos);
  68         boolean printReturnValue = tracingBroker.printOpenTransactions(ps, 1);
  69         String output = new String(baos.toByteArray(), UTF_8);
  70
  71         assertThat(printReturnValue).isTrue();
  72         // Assert expectations about stack trace
  73         assertThat(output).contains("testPrintOpenTransactions(TracingBrokerTest.java");
  74         assertThat(output).doesNotContain(TracingBroker.class.getName());
  75
  76         String previousLine = "";
  77         for (String line : output.split("\n")) {
  78             if (line.contains("(...")) {
  79                 assertThat(previousLine.contains("(...)")).isFalse();
  80             }
  81             previousLine = line;
  82         }
  83
  84         // assert that the sorting works - the x3 is shown before the x1
  85         assertThat(output).contains("  DataBroker : newReadWriteTransaction()\n    3x");
  86
  87         // We don't do any verify/times on the mocks,
  88         // because the main point of the test is just to verify that
  89         // printOpenTransactions runs through without any exceptions
  90         // (e.g. it used to have a ClassCastException).
  91     }
  92
  93 }