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/*******************************************************************************
* Copyright (c) 2009, 2020 Mountainminds GmbH & Co. KG and Contributors
* This program and the accompanying materials are made available under
* the terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Marc R. Hoffmann - initial API and implementation
*
*******************************************************************************/
package org.jacoco.cli.internal.commands;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.io.File;
import java.io.IOException;
import java.net.InetAddress;
import java.net.ServerSocket;
import java.net.Socket;
import org.jacoco.cli.internal.CommandTestBase;
import org.jacoco.core.runtime.IRemoteCommandVisitor;
import org.jacoco.core.runtime.RemoteControlReader;
import org.jacoco.core.runtime.RemoteControlWriter;
import org.junit.After;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TemporaryFolder;
/**
* Unit tests for {@link Dump}.
*/
public class DumpTest extends CommandTestBase {
@Rule
public TemporaryFolder tmp = new TemporaryFolder();
private ServerSocket serverSocket;
@After
public void after() throws IOException {
if (serverSocket != null) {
serverSocket.close();
}
}
@Test
public void should_print_usage_when_no_argument_is_given()
throws Exception {
execute("dump");
assertFailure();
assertContains("\"--destfile\"", err);
assertContains("java -jar jacococli.jar dump [--address <address>]",
err);
}
@Test
public void should_write_dump() throws Exception {
File execfile = new File(tmp.getRoot(), "jacoco.exec");
int port = startMockServer();
execute("dump", "--destfile", execfile.getAbsolutePath(), "--port",
String.valueOf(port));
assertOk();
assertContains("[INFO] Connecting to ", out);
assertContains("[INFO] Writing execution data to "
+ execfile.getAbsolutePath(), out);
assertTrue(execfile.exists());
}
@Test
public void should_log_connection_error_when_retry_is_specified()
throws Exception {
File execfile = new File(tmp.getRoot(), "jacoco.exec");
int port = unusedPort();
try {
execute("dump", "--destfile", execfile.getAbsolutePath(), "--port",
String.valueOf(port), "--retry", "1");
fail("IOException expected");
} catch (IOException ignore) {
}
assertContains("[WARN] Connection refused", err);
}
private int startMockServer() throws IOException {
serverSocket = new ServerSocket(0, 0, InetAddress.getByName(null));
new Thread() {
@Override
public void run() {
try {
serveRequest(serverSocket.accept());
} catch (IOException e) {
throw new RuntimeException(e);
}
}
}.start();
return serverSocket.getLocalPort();
}
private void serveRequest(Socket socket) throws IOException {
final RemoteControlWriter writer = new RemoteControlWriter(
socket.getOutputStream());
final RemoteControlReader reader = new RemoteControlReader(
socket.getInputStream());
reader.setRemoteCommandVisitor(new IRemoteCommandVisitor() {
public void visitDumpCommand(boolean dump, boolean reset)
throws IOException {
writer.sendCmdOk();
}
});
while (reader.read()) {
}
}
private int unusedPort() throws IOException {
final ServerSocket serverSocket = new ServerSocket(0, 0,
InetAddress.getByName(null));
final int port = serverSocket.getLocalPort();
serverSocket.close();
return port;
}
}
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