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/*
* Copyright (c) 2014, 2017, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
import java.io.PrintWriter;
import java.io.StringWriter;
import java.util.*;
/**
* This class accumulates test results. Test results can be checked with method @{code checkStatus}.
*/
public class TestResult extends TestBase {
private final List<Info> testCasesInfo;
public TestResult() {
testCasesInfo = new ArrayList<>();
}
/**
* Adds new test case info.
*
* @param info the information about test case
*/
public void addTestCase(String info) {
System.err.println("Test case: " + info);
testCasesInfo.add(new Info(info));
}
public boolean checkEquals(Object actual, Object expected, String message) {
echo("Testing : " + message);
if (!Objects.equals(actual, expected)) {
getLastTestCase().addAssert(String.format("%s\n" +
"Expected: %s,\n" +
" Got: %s", message, expected, actual));
return false;
}
return true;
}
public boolean checkNull(Object actual, String message) {
return checkEquals(actual, null, message);
}
public boolean checkNotNull(Object actual, String message) {
echo("Testing : " + message);
if (Objects.isNull(actual)) {
getLastTestCase().addAssert(message + " : Expected not null value");
return false;
}
return true;
}
public boolean checkFalse(boolean actual, String message) {
return checkEquals(actual, false, message);
}
public boolean checkTrue(boolean actual, String message) {
return checkEquals(actual, true, message);
}
public boolean checkContains(Collection<?> found, Collection<?> expected, String message) {
Set<?> copy = new HashSet<>(expected);
copy.removeAll(found);
if (!found.containsAll(expected)) {
return checkTrue(false, message + " FAIL : not found elements : " + copy + "\n" +
"Actual: " + found);
} else {
return checkTrue(true, message + " PASS : all elements found");
}
}
public void addFailure(Throwable th) {
if (testCasesInfo.isEmpty()) {
testCasesInfo.add(new Info("Dummy info"));
}
getLastTestCase().addFailure(th);
}
private Info getLastTestCase() {
if (testCasesInfo.isEmpty()) {
throw new IllegalStateException("Test case should be created");
}
return testCasesInfo.get(testCasesInfo.size() - 1);
}
/**
* Throws {@code TestFailedException} if one of the checks are failed
* or an exception occurs. Prints error message of failed test cases.
*
* @throws TestFailedException if one of the checks are failed
* or an exception occurs
*/
public void checkStatus() throws TestFailedException {
int passed = 0;
int failed = 0;
for (Info testCaseInfo : testCasesInfo) {
if (testCaseInfo.isFailed()) {
String info = testCaseInfo.info().replace("\n", LINE_SEPARATOR);
String errorMessage = testCaseInfo.getMessage().replace("\n", LINE_SEPARATOR);
System.err.printf("Failure in test case:%n%s%n%s%n", info, errorMessage);
++failed;
} else {
++passed;
}
}
System.err.printf("Test cases: passed: %d, failed: %d, total: %d.%n", passed, failed, passed + failed);
if (failed > 0) {
throw new TestFailedException("Test failed");
}
if (passed + failed == 0) {
throw new TestFailedException("Test cases were not found");
}
}
@Override
public void printf(String template, Object... args) {
getLastTestCase().printf(template, args);
}
private static class Info {
private final String info;
private final StringWriter writer;
private boolean isFailed;
private Info(String info) {
this.info = info;
writer = new StringWriter();
}
public String info() {
return info;
}
public boolean isFailed() {
return isFailed;
}
public void printf(String template, Object... args) {
writer.write(String.format(template, args));
}
public void addFailure(Throwable th) {
isFailed = true;
printf("[ERROR] : %s\n", getStackTrace(th));
}
public void addAssert(String e) {
isFailed = true;
printf("[ASSERT] : %s\n", e);
}
public String getMessage() {
return writer.toString();
}
public String getStackTrace(Throwable throwable) {
StringWriter stringWriter = new StringWriter();
try (PrintWriter printWriter = new PrintWriter(stringWriter)) {
throwable.printStackTrace(printWriter);
}
return stringWriter.toString();
}
}
public static class TestFailedException extends Exception {
public TestFailedException(String message) {
super(message);
}
}
}
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