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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.report;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import org.jacoco.core.analysis.IBundleCoverage;
import org.jacoco.core.analysis.IPackageCoverage;
import org.jacoco.core.data.ExecutionData;
import org.jacoco.core.data.SessionInfo;
import org.jacoco.core.internal.analysis.BundleCoverageImpl;
import org.junit.Test;
/**
* Unit tests for {@link MultiReportVisitor}.
*/
public class MultiReportVisitorTest {
private static class MockVisitor extends MockGroupVisitor
implements IReportVisitor {
MockVisitor() {
super("Report");
}
private boolean visitInfosCalled = false;
private boolean visitEndCalled = false;
public void visitInfo(List<SessionInfo> sessionInfos,
Collection<ExecutionData> executionData) throws IOException {
visitInfosCalled = true;
}
public void visitEnd() throws IOException {
visitEndCalled = true;
}
@Override
public String toString() {
assertTrue("visitInfos() has not been called", visitInfosCalled);
assertTrue("visitEnd() has not been called", visitEndCalled);
return super.toString();
}
}
private static class MockGroupVisitor implements IReportGroupVisitor {
private final String name;
private final List<MockGroupVisitor> children = new ArrayList<MockGroupVisitor>();
MockGroupVisitor(String name) {
this.name = name;
}
public void visitBundle(IBundleCoverage bundle,
ISourceFileLocator locator) throws IOException {
children.add(new MockGroupVisitor(bundle.getName()));
}
public IReportGroupVisitor visitGroup(String name) throws IOException {
MockGroupVisitor child = new MockGroupVisitor(name);
children.add(child);
return child;
}
@Override
public String toString() {
return name + children;
}
}
private IBundleCoverage createBundle(String name) {
final Collection<IPackageCoverage> packages = Collections.emptyList();
return new BundleCoverageImpl(name, packages);
}
private static final String MOCK_REPORT = "Report[g1[b1[], b2[]], g2[]]";
private void createMockReport(IReportVisitor visitor) throws IOException {
final List<SessionInfo> sessions = Collections.emptyList();
final List<ExecutionData> executionData = Collections.emptyList();
visitor.visitInfo(sessions, executionData);
IReportGroupVisitor g1 = visitor.visitGroup("g1");
g1.visitBundle(createBundle("b1"), null);
g1.visitBundle(createBundle("b2"), null);
visitor.visitGroup("g2");
visitor.visitEnd();
}
@Test
public void testMockFormatter() throws IOException {
MockVisitor visitor = new MockVisitor();
createMockReport(visitor);
assertEquals(MOCK_REPORT, visitor.toString());
}
@Test
public void testMultiFormatter() throws IOException {
IReportVisitor mock1 = new MockVisitor();
IReportVisitor mock2 = new MockVisitor();
IReportVisitor mock3 = new MockVisitor();
List<IReportVisitor> visitors = Arrays.asList(mock1, mock2, mock3);
MultiReportVisitor multi = new MultiReportVisitor(visitors);
createMockReport(multi);
assertEquals(MOCK_REPORT, mock1.toString());
assertEquals(MOCK_REPORT, mock2.toString());
assertEquals(MOCK_REPORT, mock3.toString());
}
}
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