Mercurial > hg > release > thermostat-1.6
view storage/core/src/test/java/com/redhat/thermostat/storage/core/CategoryTest.java @ 2049:a92d602216ad
Update copyright license headers for 2017
PR3290
Reviewed-by: jerboaa
Review-thread: http://icedtea.classpath.org/pipermail/thermostat/2017-January/021974.html
author | Andrew Azores <aazores@redhat.com> |
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date | Tue, 17 Jan 2017 12:19:56 -0500 |
parents | 31f274ab27a5 |
children |
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/* * Copyright 2012-2017 Red Hat, Inc. * * This file is part of Thermostat. * * Thermostat is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published * by the Free Software Foundation; either version 2, or (at your * option) any later version. * * Thermostat is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with Thermostat; see the file COPYING. If not see * <http://www.gnu.org/licenses/>. * * Linking this code with other modules is making a combined work * based on this code. Thus, the terms and conditions of the GNU * General Public License cover the whole combination. * * As a special exception, the copyright holders of this code give * you permission to link this code with independent modules to * produce an executable, regardless of the license terms of these * independent modules, and to copy and distribute the resulting * executable under terms of your choice, provided that you also * meet, for each linked independent module, the terms and conditions * of the license of that module. An independent module is a module * which is not derived from or based on this code. If you modify * this code, you may extend this exception to your version of the * library, but you are not obligated to do so. If you do not wish * to do so, delete this exception statement from your version. */ package com.redhat.thermostat.storage.core; import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertFalse; import static org.junit.Assert.assertNotNull; import static org.junit.Assert.assertNull; import static org.junit.Assert.assertTrue; import static org.junit.Assert.fail; import java.lang.reflect.Field; import java.util.Collection; import java.util.HashMap; import java.util.Map; import java.util.Objects; import org.junit.Test; import com.redhat.thermostat.storage.dao.HostInfoDAO; import com.redhat.thermostat.storage.model.Pojo; public class CategoryTest { private static class TestObj implements Pojo { // Dummy class for testing. } @Test public void testGetKey() { Key<String> key1 = new Key<String>("key1"); Category<TestObj> category = new Category<>("testGetKey", TestObj.class, key1); assertEquals(key1, category.getKey("key1")); } @Test public void testGetNonExistingKey() { Key<String> key1 = new Key<String>("key1"); Category<TestObj> category = new Category<>("testGetNonExistingKey", TestObj.class, key1); assertNull(category.getKey("key2")); } @Test public void testGetKeys() { Key<String> key1 = new Key<String>("key1"); Key<String> key2 = new Key<String>("key2"); Key<String> key3 = new Key<String>("key3"); Key<String> key4 = new Key<String>("key4"); Category<TestObj> category = new Category<>("testGetKeys", TestObj.class, key1, key2, key3, key4); assertEquals(4, category.getKeys().size()); assertTrue(category.getKeys().contains(key1)); assertTrue(category.getKeys().contains(key2)); assertTrue(category.getKeys().contains(key3)); assertTrue(category.getKeys().contains(key4)); } @Test(expected=UnsupportedOperationException.class) public void verifyThatKeysAreUnmodifiable() { Key<String> key1 = new Key<String>("key1"); Key<String> key2 = new Key<String>("key2"); Key<String> key3 = new Key<String>("key3"); Category<TestObj> category = new Category<>("verifyThatKeysAreUnmodifiable", TestObj.class, key1, key2, key3); Collection<Key<?>> keys = category.getKeys(); keys.remove(key1); } @Test public void testEquals() { Key<String> key1 = new Key<String>("key1"); Key<String> key2 = new Key<String>("key2"); Key<String> key3 = new Key<String>("key3"); Category<TestObj> category = new Category<>("testEquals", TestObj.class, key1, key2, key3); assertTrue(category.equals(category)); assertFalse(category.equals(HostInfoDAO.hostInfoCategory)); } @Test public void testHashCode() { Key<String> key1 = new Key<String>("key1"); Category<TestObj> category = new Category<>("testHashCode", TestObj.class, key1); Map<String, Key<?>> keys = new HashMap<>(); keys.put(key1.getName(), key1); int expectedHash = Objects.hash("testHashCode", keys, TestObj.class); assertEquals(expectedHash, category.hashCode()); } /** * If a Category instance gets serialized we only set the dataClassName. * However, getting the dataClass from the name must still work. */ @Test public void testGetDataClassByName() { Category<TestObj> category = new Category<>("testGetDataClassByName", null); // set dataClassName via reflection try { Field dataClassName = Category.class.getDeclaredField("dataClassName"); dataClassName.setAccessible(true); dataClassName.set(category, TestObj.class.getName()); } catch (Exception e) { e.printStackTrace(); fail(e.getMessage()); } // now we should be able to get the dataclass itself Class<TestObj> dataClass = category.getDataClass(); assertNotNull(dataClass); assertEquals(TestObj.class, dataClass); } @Test public void testHashCodeWithDataClassNotSet() { Category<TestObj> category = new Category<>("testHashCodeWithDataClassNotSet", null); // set dataClassName via reflection try { Field dataClassName = Category.class.getDeclaredField("dataClassName"); dataClassName.setAccessible(true); dataClassName.set(category, TestObj.class.getName()); } catch (Exception e) { e.printStackTrace(); fail(e.getMessage()); } // hash code must not change if dataclass gets set internally int firstHashCode = category.hashCode(); Class<TestObj> dataClass = category.getDataClass(); // hashCode should have initialized dataClass assertNotNull(dataClass); assertEquals(TestObj.class, dataClass); assertEquals(firstHashCode, category.hashCode()); } @Test public void getKeysNull() { Category<TestObj> cat = new Category<>(); // this must not throw NPE Collection<Key<?>> keys = cat.getKeys(); assertTrue(keys.isEmpty()); try { keys.add(new Key<>()); fail("empty keys must be immutable"); } catch (UnsupportedOperationException e) { // pass } } @Test public void getKeyByNameNull() { Category<TestObj> cat = new Category<>(); // This must not throw a NPE Key<?> key = cat.getKey("foo-key-not-there"); assertNull(key); } }