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
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
|
/*******************************************************************************
* Copyright (c) 2009, 2018 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.core.test.validation;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.fail;
import java.io.IOException;
import java.lang.reflect.Method;
import java.util.Arrays;
import org.jacoco.core.analysis.Analyzer;
import org.jacoco.core.analysis.CoverageBuilder;
import org.jacoco.core.analysis.ICounter;
import org.jacoco.core.analysis.ILine;
import org.jacoco.core.analysis.ISourceFileCoverage;
import org.jacoco.core.data.ExecutionData;
import org.jacoco.core.data.ExecutionDataStore;
import org.jacoco.core.internal.analysis.CounterImpl;
import org.jacoco.core.test.InstrumentingLoader;
import org.jacoco.core.test.TargetLoader;
import org.jacoco.core.test.validation.targets.Stubs;
import org.junit.Before;
/**
* Base class for validation tests. It executes the given class under code
* coverage and provides the coverage results for validation.
*/
public abstract class ValidationTestBase {
protected static final boolean isJDKCompiler = Compiler.DETECT.isJDK();
private static final String[] STATUS_NAME = new String[4];
{
STATUS_NAME[ICounter.EMPTY] = "EMPTY";
STATUS_NAME[ICounter.NOT_COVERED] = "NOT_COVERED";
STATUS_NAME[ICounter.FULLY_COVERED] = "FULLY_COVERED";
STATUS_NAME[ICounter.PARTLY_COVERED] = "PARTLY_COVERED";
}
private final String srcFolder;
private final Class<?> target;
private ISourceFileCoverage sourceCoverage;
private Source source;
private InstrumentingLoader loader;
protected ValidationTestBase(final String srcFolder, final Class<?> target) {
this.srcFolder = srcFolder;
this.target = target;
}
protected ValidationTestBase(final Class<?> target) {
this("src", target);
}
@Before
public void setup() throws Exception {
final ExecutionDataStore store = execute();
analyze(store);
source = Source.getSourceFor(srcFolder, target);
}
private ExecutionDataStore execute() throws Exception {
loader = new InstrumentingLoader(target);
run(loader.loadClass(target.getName()));
return loader.collect();
}
protected void run(final Class<?> targetClass) throws Exception {
targetClass.getMethod("main", String[].class).invoke(null,
(Object) new String[0]);
}
private void analyze(final ExecutionDataStore store) throws IOException {
final CoverageBuilder builder = new CoverageBuilder();
final Analyzer analyzer = new Analyzer(store, builder);
for (ExecutionData data : store.getContents()) {
analyze(analyzer, data);
}
String srcName = target.getName().replace('.', '/') + ".java";
for (ISourceFileCoverage file : builder.getSourceFiles()) {
if (srcName.equals(file.getPackageName() + "/" + file.getName())) {
sourceCoverage = file;
return;
}
}
fail("No source node found for " + srcName);
}
private void analyze(final Analyzer analyzer, final ExecutionData data)
throws IOException {
final byte[] bytes = TargetLoader.getClassDataAsBytes(
target.getClassLoader(), data.getName());
analyzer.analyzeClass(bytes, data.getName());
}
protected void assertMethodCount(final int expectedTotal) {
assertEquals(expectedTotal,
sourceCoverage.getMethodCounter().getTotalCount());
}
protected void assertLine(final String tag, final int status) {
final int nr = source.getLineNumber(tag);
final ILine line = sourceCoverage.getLine(nr);
final String msg = String.format("Status in line %s: %s",
Integer.valueOf(nr), source.getLine(nr));
final int insnStatus = line.getInstructionCounter().getStatus();
assertEquals(msg, STATUS_NAME[status], STATUS_NAME[insnStatus]);
}
protected void assertLine(final String tag, final int status,
final int missedBranches, final int coveredBranches) {
assertLine(tag, status);
final int nr = source.getLineNumber(tag);
final ILine line = sourceCoverage.getLine(nr);
final String msg = String.format("Branches in line %s: %s",
Integer.valueOf(nr), source.getLine(nr));
assertEquals(msg + " branches",
CounterImpl.getInstance(missedBranches, coveredBranches),
line.getBranchCounter());
}
protected void assertLogEvents(String... events) throws Exception {
final Method getter = Class.forName(Stubs.class.getName(), false,
loader).getMethod("getLogEvents");
assertEquals("Log events", Arrays.asList(events), getter.invoke(null));
}
}
|
