/*******************************************************************************
* Copyright (c) 2006, 2014 Mountainminds GmbH & Co. KG and Contributors
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Marc R. Hoffmann - initial API and implementation
*
******************************************************************************/
package com.mountainminds.eclemma.internal.core;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.util.Collections;
import org.jacoco.core.data.ExecutionData;
import org.jacoco.core.data.ExecutionDataReader;
import org.jacoco.core.data.ExecutionDataStore;
import org.jacoco.core.data.ExecutionDataWriter;
import org.jacoco.core.data.SessionInfo;
import org.jacoco.core.data.SessionInfoStore;
import org.junit.Before;
import org.junit.Test;
/**
* Tests for {@link MemoryExecutionDataSource}.
*/
public class MemoryExecutionDataSourceTest {
private MemoryExecutionDataSource source;
@Before
public void setup() {
source = new MemoryExecutionDataSource();
}
@Test
public void testIsEmptyPositive() {
assertTrue(source.isEmpty());
}
@Test
public void testIsEmptyNegative() {
source.visitSessionInfo(new SessionInfo("id", 1, 2));
assertFalse(source.isEmpty());
}
@Test
public void testAccept() throws Exception {
SessionInfo info = new SessionInfo("id1", 1, 2);
source.visitSessionInfo(info);
source.visitClassExecution(new ExecutionData(123, "MyClass", new boolean[] {
true, false }));
SessionInfoStore sessionStore = new SessionInfoStore();
ExecutionDataStore execStore = new ExecutionDataStore();
source.accept(execStore, sessionStore);
assertEquals(Collections.singletonList(info), sessionStore.getInfos());
assertEquals("MyClass", execStore.get(123).getName());
}
@Test
public void testReadFrom() throws Exception {
ExecutionDataReader reader = new ExecutionDataReader(
new ByteArrayInputStream(createSessionData()));
source.readFrom(reader);
SessionInfoStore sessionStore = new SessionInfoStore();
ExecutionDataStore execStore = new ExecutionDataStore();
source.accept(execStore, sessionStore);
assertEquals(1, sessionStore.getInfos().size());
assertEquals("MyClass", execStore.get(123).getName());
}
private byte[] createSessionData() throws Exception {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ExecutionDataWriter writer = new ExecutionDataWriter(buffer);
SessionInfo info = new SessionInfo("id1", 1, 2);
writer.visitSessionInfo(info);
writer.visitClassExecution(new ExecutionData(123, "MyClass", new boolean[] {
true, false }));
return buffer.toByteArray();
}
}