aboutsummaryrefslogtreecommitdiff
path: root/org.jacoco.report.test/src/org/jacoco/report/MultiReportVisitorTest.java
blob: 9f532282c481f54f58d8207e88dfb4ae43d494a5 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
/*******************************************************************************
 * Copyright (c) 2009, 2019 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 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());
	}
}