lttng-ust-java-tests-common/src/main/java/org/lttng/ust/agent/utils/TestPrintExtension.java

   1 /*
   2  * Copyright (C) 2022, EfficiOS Inc.
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with this program; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  17  */
  18
  19 package org.lttng.ust.agent.utils;
  20
  21 import java.util.Optional;
  22
  23 import org.junit.jupiter.api.extension.AfterTestExecutionCallback;
  24 import org.junit.jupiter.api.extension.BeforeTestExecutionCallback;
  25 import org.junit.jupiter.api.extension.ExtensionContext;
  26 import org.junit.jupiter.api.extension.ExtensionContext.Namespace;
  27 import org.junit.jupiter.api.extension.ExtensionContext.Store;
  28 import org.junit.jupiter.api.extension.TestWatcher;
  29
  30 /**
  31  * Test extension that will print the name of the test being run to stdout.
  32  */
  33 public class TestPrintExtension implements BeforeTestExecutionCallback, AfterTestExecutionCallback, TestWatcher {
  34
  35     private static final String START_TIME = "start time";
  36
  37
  38     @Override
  39     public void beforeTestExecution(ExtensionContext context) throws Exception {
  40         System.out.println("\nStarted " + context.getDisplayName() + "\n");
  41         getStore(context).put(START_TIME, Long.valueOf(System.currentTimeMillis()));
  42     }
  43
  44     @Override
  45     public void afterTestExecution(ExtensionContext context) throws Exception {
  46         long startTime = getStore(context).remove(START_TIME, long.class).longValue();
  47         long duration = System.currentTimeMillis() - startTime;
  48
  49         System.out.println("\nEnded " + context.getDisplayName() + " in " + duration + " ms\n");
  50     }
  51
  52     @Override
  53     public void testDisabled(ExtensionContext context, Optional<String> reason) {
  54         System.out.println("\nSKIPPING TEST: " + context.getDisplayName() + "\n");
  55     }
  56
  57     private Store getStore(ExtensionContext context) {
  58         return context.getStore(Namespace.create(getClass(), context.getRequiredTestMethod()));
  59     }
  60 }