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/*
* Copyright 2008 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*/
import javax.tools.ToolProvider;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.InputStreamReader;
import java.io.PrintStream;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import javax.tools.JavaCompiler;
/**
* This class provides some common utilites for the launcher tests.
*/
public enum TestHelper {
INSTANCE;
static final String JAVAHOME = System.getProperty("java.home", ".");
static final boolean isSDK = JAVAHOME.endsWith("jre");
static final String javaCmd;
static final String javacCmd;
static final JavaCompiler compiler;
static final boolean debug = Boolean.getBoolean("Arrrghs.Debug");
static final boolean isWindows =
System.getProperty("os.name", "unknown").startsWith("Windows");
static int testExitValue = 0;
static {
compiler = ToolProvider.getSystemJavaCompiler();
File binDir = (isSDK) ? new File((new File(JAVAHOME)).getParentFile(), "bin")
: new File(JAVAHOME, "bin");
File javaCmdFile = (isWindows)
? new File(binDir, "java.exe")
: new File(binDir, "java");
javaCmd = javaCmdFile.getAbsolutePath();
if (!javaCmdFile.canExecute()) {
throw new RuntimeException("java <" + TestHelper.javaCmd + "> must exist");
}
File javacCmdFile = (isWindows)
? new File(binDir, "javac.exe")
: new File(binDir, "javac");
javacCmd = javacCmdFile.getAbsolutePath();
if (!javacCmdFile.canExecute()) {
throw new RuntimeException("java <" + javacCmd + "> must exist");
}
}
/*
* A generic jar file creator which creates the java file, compiles it
* and jar's it up for use.
*/
static void createJar(File jarName, File mainClass, String... mainDefs)
throws FileNotFoundException {
createJar(null, jarName, mainClass, mainDefs);
}
/*
* A method which takes manifest entry to specify a specific manifest
* Main-Class name.
*/
static void createJar(String mEntry, File jarName, File mainClass, String... mainDefs)
throws FileNotFoundException {
if (jarName.exists()) {
jarName.delete();
}
PrintStream ps = new PrintStream(new FileOutputStream(mainClass + ".java"));
ps.println("public class Foo {");
if (mainDefs != null) {
for (String x : mainDefs) {
ps.println(x);
}
}
ps.println("}");
ps.close();
String compileArgs[] = {
mainClass + ".java"
};
if (compiler.run(null, null, null, compileArgs) != 0) {
throw new RuntimeException("compilation failed " + mainClass + ".java");
}
if (mEntry == null && mainDefs == null) {
mEntry = "MIA";
} else {
mEntry = mainClass.getName();
}
String jarArgs[] = {
(debug) ? "cvfe" : "cfe",
jarName.getAbsolutePath(),
mEntry,
mainClass.getName() + ".class"
};
sun.tools.jar.Main jarTool =
new sun.tools.jar.Main(System.out, System.err, "JarCreator");
if (!jarTool.run(jarArgs)) {
throw new RuntimeException("jar creation failed " + jarName);
}
}
/*
* A method which executes a java cmd and returs the results in a container
*/
static TestResult doExec(String...cmds) {
String cmdStr = "";
for (String x : cmds) {
cmdStr = cmdStr.concat(x + " ");
}
ProcessBuilder pb = new ProcessBuilder(cmds);
Map<String, String> env = pb.environment();
BufferedReader rdr = null;
try {
List<String> outputList = new ArrayList<String>();
pb.redirectErrorStream(true);
Process p = pb.start();
rdr = new BufferedReader(new InputStreamReader(p.getInputStream()));
String in = rdr.readLine();
while (in != null) {
outputList.add(in);
in = rdr.readLine();
}
p.waitFor();
p.destroy();
return new TestHelper.TestResult(cmdStr, p.exitValue(), outputList);
} catch (Exception ex) {
ex.printStackTrace();
throw new RuntimeException(ex.getMessage());
}
}
/*
* A class to encapsulate the test results and stuff, with some ease
* of use methods to check the test results.
*/
static class TestResult {
StringBuilder status;
int exitValue;
List<String> testOutput;
public TestResult(String str, int rv, List<String> oList) {
status = new StringBuilder(str);
exitValue = rv;
testOutput = oList;
}
void checkNegative() {
if (exitValue == 0) {
status = status.append(" Error: test must not return 0 exit value");
testExitValue++;
}
}
void checkPositive() {
if (exitValue != 0) {
status = status.append(" Error: test did not return 0 exit value");
testExitValue++;
}
}
boolean isOK() {
return exitValue == 0;
}
boolean isZeroOutput() {
if (!testOutput.isEmpty()) {
status = status.append(" Error: No message from cmd please");
testExitValue++;
return false;
}
return true;
}
boolean isNotZeroOutput() {
if (testOutput.isEmpty()) {
status = status.append(" Error: Missing message");
testExitValue++;
return false;
}
return true;
}
public String toString() {
if (debug) {
for (String x : testOutput) {
status = status.append(x + "\n");
}
}
return status.toString();
}
boolean contains(String str) {
for (String x : testOutput) {
if (x.contains(str)) {
return true;
}
}
status = status.append(" Error: string <" + str + "> not found ");
testExitValue++;
return false;
}
}
}
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