Mercurial > hg > release > thermostat-1.6
view web/server/src/test/java/com/redhat/thermostat/web/server/PreparedStatementManagerTest.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.web.server; import java.util.UUID; import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertFalse; import static org.junit.Assert.assertNotNull; import static org.junit.Assert.assertNotSame; import static org.junit.Assert.assertNull; import static org.junit.Assert.assertSame; import static org.junit.Assert.assertTrue; import static org.junit.Assert.fail; import static org.mockito.Mockito.mock; import org.junit.Test; import com.redhat.thermostat.storage.core.Category; import com.redhat.thermostat.storage.core.PreparedStatement; import com.redhat.thermostat.storage.core.StatementDescriptor; import com.redhat.thermostat.storage.model.Pojo; import com.redhat.thermostat.web.common.SharedStateId; public class PreparedStatementManagerTest { /** * Verify that every call to put creates a new ID entry only if * statements (id'ed by descriptor) are different. */ @Test public void canCreateAndPutStmt() { PreparedStatementManager manager = new PreparedStatementManager(); UUID serverToken = UUID.randomUUID(); @SuppressWarnings("unchecked") PreparedStatement<TestPojo> targetStmt = mock(PreparedStatement.class); @SuppressWarnings({ "unchecked" }) StatementDescriptor<TestPojo> testDesc = new StatementDescriptor<>(mock(Category.class), "unused"); Class<TestPojo> testClass = TestPojo.class; SharedStateId id = manager.createAndPutHolder(serverToken, targetStmt, testClass, testDesc); assertNotNull(id); assertEquals(serverToken, id.getServerToken()); assertEquals("counter starts with 0", 0, id.getId()); // do it again with a different statement @SuppressWarnings("unchecked") PreparedStatement<TestPojo> otherTargetStmt = mock(PreparedStatement.class); @SuppressWarnings({ "unchecked" }) StatementDescriptor<TestPojo> otherTestDesc = new StatementDescriptor<>(mock(Category.class), "other"); SharedStateId otherId = manager.createAndPutHolder(serverToken, otherTargetStmt, testClass, otherTestDesc); assertNotNull(otherId); assertFalse(id.equals(otherId)); assertEquals(1, otherId.getId()); assertEquals(serverToken, otherId.getServerToken()); // do it once more with same token, which should yield the same id than // we used to get for the first createAndPutHolder() call. SharedStateId thirdId = manager.createAndPutHolder(serverToken, targetStmt, testClass, testDesc); assertEquals(id, thirdId); assertSame(id, thirdId); } /** * Verify that adding a new value when the int ID would overflow throws an * exception. */ @Test public void intIdOverflowThrowsException() { PreparedStatementManager manager = new PreparedStatementManager(Integer.MAX_VALUE - 1); UUID serverNonce = UUID.randomUUID(); @SuppressWarnings("unchecked") PreparedStatement<TestPojo> targetStmt = mock(PreparedStatement.class); @SuppressWarnings({ "unchecked" }) StatementDescriptor<TestPojo> testDesc = new StatementDescriptor<>(mock(Category.class), "unused"); Class<TestPojo> testClass = TestPojo.class; try { manager.createAndPutHolder(serverNonce, targetStmt, testClass, testDesc); fail("Should have thrown ISE due to int id overflow"); } catch (IllegalStateException e) { assertEquals("Too many different statements!", e.getMessage()); } } /** * Basic parameters must not be null. */ @Test public void rejectsNullValuesAsParameters() { PreparedStatementManager manager = new PreparedStatementManager(); @SuppressWarnings("unchecked") PreparedStatement<TestPojo> targetStmt = mock(PreparedStatement.class); @SuppressWarnings({ "unchecked" }) StatementDescriptor<TestPojo> testDesc = new StatementDescriptor<>(mock(Category.class), "unused"); Class<TestPojo> testClass = TestPojo.class; try { manager.createAndPutHolder(null, targetStmt, testClass, testDesc); fail("Expected NPE due to null server token"); } catch (NullPointerException e) { // pass } UUID serverNonce = UUID.randomUUID(); try { manager.createAndPutHolder(serverNonce, null, testClass, testDesc); fail("Expected NPE due to null target stmt"); } catch (NullPointerException e) { // pass } try { manager.createAndPutHolder(serverNonce, targetStmt, null, testDesc); fail("Expected NPE due to null data class"); } catch (NullPointerException e) { // pass } try { manager.createAndPutHolder(serverNonce, targetStmt, testClass, null); fail("Expected NPE due to null stmt descriptor"); } catch (NullPointerException e) { // pass } } @Test public void canGetAddedHolderItemViaID() { PreparedStatementManager manager = new PreparedStatementManager(); UUID serverNonce = UUID.randomUUID(); @SuppressWarnings("unchecked") PreparedStatement<TestPojo> targetStmt = mock(PreparedStatement.class); @SuppressWarnings({ "unchecked" }) StatementDescriptor<TestPojo> testDesc = new StatementDescriptor<>(mock(Category.class), "unused"); Class<TestPojo> testClass = TestPojo.class; SharedStateId id = manager.createAndPutHolder(serverNonce, targetStmt, testClass, testDesc); PreparedStatementHolder<TestPojo> holder = manager.getStatementHolder(id); assertNotNull(holder); assertSame(serverNonce, holder.getId().getServerToken()); assertSame(id, holder.getId()); assertSame(targetStmt, holder.getStmt()); assertSame(testClass, holder.getDataClass()); assertSame(testDesc, holder.getStatementDescriptor()); // do it again with an equal ID SharedStateId retrievalId = new SharedStateId(0, serverNonce); assertTrue(retrievalId.equals(id)); holder = manager.getStatementHolder(retrievalId); assertEquals(id, holder.getId()); assertNotSame(retrievalId, holder.getId()); assertSame(id, holder.getId()); assertSame(targetStmt, holder.getStmt()); assertSame(testClass, holder.getDataClass()); assertSame(testDesc, holder.getStatementDescriptor()); // unknown server token should return null assertNull(manager.getStatementHolder(new SharedStateId(0, UUID.randomUUID()))); } @Test public void canGetAddedHolderItemViaDescriptor() { PreparedStatementManager manager = new PreparedStatementManager(); UUID serverNonce = UUID.randomUUID(); @SuppressWarnings("unchecked") PreparedStatement<TestPojo> targetStmt = mock(PreparedStatement.class); @SuppressWarnings({ "unchecked" }) Category<TestPojo> cat = mock(Category.class); StatementDescriptor<TestPojo> testDesc = new StatementDescriptor<>(cat, "no-matter"); Class<TestPojo> testClass = TestPojo.class; SharedStateId id = manager.createAndPutHolder(serverNonce, targetStmt, testClass, testDesc); PreparedStatementHolder<TestPojo> holder = manager.getStatementHolder(testDesc); assertNotNull(holder); assertSame(serverNonce, holder.getId().getServerToken()); assertSame(id, holder.getId()); assertSame(targetStmt, holder.getStmt()); assertSame(testClass, holder.getDataClass()); assertSame(testDesc, holder.getStatementDescriptor()); // do it again with an equal descriptor StatementDescriptor<TestPojo> equalDesc = new StatementDescriptor<>(cat, "no-matter"); assertNotSame(testDesc, equalDesc); assertEquals(testDesc, equalDesc); holder = manager.getStatementHolder(equalDesc); assertNotNull(holder); assertSame(serverNonce, holder.getId().getServerToken()); assertSame(id, holder.getId()); assertSame(targetStmt, holder.getStmt()); assertSame(testClass, holder.getDataClass()); assertSame(testDesc, holder.getStatementDescriptor()); } private static class TestPojo implements Pojo { // nothing } }