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/*******************************************************************************
* Copyright (c) 2009, 2021 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.report;
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 java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
/**
* In-memory report output for test purposes.
*/
public class MemoryMultiReportOutput implements IMultiReportOutput {
private final Map<String, ByteArrayOutputStream> files = new HashMap<String, ByteArrayOutputStream>();
private final Set<String> open = new HashSet<String>();
private boolean closed = false;
public OutputStream createFile(final String path) throws IOException {
assertFalse("Duplicate output " + path, files.containsKey(path));
open.add(path);
final ByteArrayOutputStream out = new ByteArrayOutputStream() {
@Override
public void close() throws IOException {
open.remove(path);
super.close();
}
};
files.put(path, out);
return out;
}
public void close() throws IOException {
closed = true;
}
public void assertEmpty() {
assertEquals(Collections.emptySet(), files.keySet());
}
public void assertFile(String path) {
assertNotNull(String.format("Missing file %s. Actual files are %s.",
path, files.keySet()), files.get(path));
}
public void assertNoFile(String path) {
assertNull(String.format("Unexpected file %s.", path), files.get(path));
}
public void assertSingleFile(String path) {
assertEquals(Collections.singleton(path), files.keySet());
}
public byte[] getFile(String path) {
assertFile(path);
return files.get(path).toByteArray();
}
public InputStream getFileAsStream(String path) {
return new ByteArrayInputStream(getFile(path));
}
public void assertAllClosed() {
assertEquals(Collections.emptySet(), open);
assertTrue(closed);
}
}
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