Files
luaj/test/junit/org/luaj/vm2/ScriptDrivenTest.java
2014-03-09 18:00:40 +00:00

258 lines
7.7 KiB
Java

/*******************************************************************************
* Copyright (c) 2009 Luaj.org. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
******************************************************************************/
package org.luaj.vm2;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintStream;
import java.net.MalformedURLException;
import java.net.URL;
import junit.framework.TestCase;
import org.luaj.vm2.lib.ResourceFinder;
import org.luaj.vm2.lib.jse.JseProcess;
import org.luaj.vm2.luajc.LuaJC;
abstract
public class ScriptDrivenTest extends TestCase implements ResourceFinder {
public static final boolean nocompile = "true".equals(System.getProperty("nocompile"));
public enum PlatformType {
JME, JSE, LUAJIT,
}
private final PlatformType platform;
private final String subdir;
protected Globals globals;
static final String zipdir = "test/lua/";
static final String zipfile = "luaj3.0-tests.zip";
protected ScriptDrivenTest( PlatformType platform, String subdir ) {
this.platform = platform;
this.subdir = subdir;
initGlobals();
}
private void initGlobals() {
switch ( platform ) {
default:
case JSE:
case LUAJIT:
globals = org.luaj.vm2.lib.jse.JsePlatform.debugGlobals();
break;
case JME:
globals = org.luaj.vm2.lib.jme.JmePlatform.debugGlobals();
break;
}
}
protected void setUp() throws Exception {
super.setUp();
initGlobals();
globals.finder = this;
}
// ResourceFinder implementation.
public InputStream findResource(String filename) {
InputStream is = findInPlainFile(filename);
if (is != null) return is;
is = findInPlainFileAsResource("",filename);
if (is != null) return is;
is = findInPlainFileAsResource("/",filename);
if (is != null) return is;
is = findInZipFileAsPlainFile(filename);
if (is != null) return is;
is = findInZipFileAsResource("",filename);
if (is != null) return is;
is = findInZipFileAsResource("/",filename);
return is;
}
private InputStream findInPlainFileAsResource(String prefix, String filename) {
return getClass().getResourceAsStream(prefix + subdir + filename);
}
private InputStream findInPlainFile(String filename) {
try {
File f = new File(zipdir+subdir+filename);
if (f.exists())
return new FileInputStream(f);
} catch ( IOException ioe ) {
ioe.printStackTrace();
}
return null;
}
private InputStream findInZipFileAsPlainFile(String filename) {
URL zip;
File file = new File(zipdir+zipfile);
try {
if ( file.exists() ) {
zip = file.toURI().toURL();
String path = "jar:"+zip.toExternalForm()+ "!/"+subdir+filename;
URL url = new URL(path);
return url.openStream();
}
} catch (MalformedURLException e) {
e.printStackTrace();
} catch (FileNotFoundException e) {
// Ignore and return null.
} catch (IOException ioe) {
ioe.printStackTrace();
}
return null;
}
private InputStream findInZipFileAsResource(String prefix, String filename) {
URL zip = null;
zip = getClass().getResource(zipfile);
if ( zip != null )
try {
String path = "jar:"+zip.toExternalForm()+ "!/"+subdir+filename;
URL url = new URL(path);
return url.openStream();
} catch (IOException ioe) {
ioe.printStackTrace();
}
return null;
}
// */
protected void runTest(String testName) {
try {
// override print()
final ByteArrayOutputStream output = new ByteArrayOutputStream();
final PrintStream oldps = globals.STDOUT;
final PrintStream ps = new PrintStream( output );
globals.STDOUT = ps;
// run the script
try {
LuaValue chunk = loadScript(testName, globals);
chunk.call(LuaValue.valueOf(platform.toString()));
ps.flush();
String actualOutput = new String(output.toByteArray());
String expectedOutput = getExpectedOutput(testName);
actualOutput = actualOutput.replaceAll("\r\n", "\n");
expectedOutput = expectedOutput.replaceAll("\r\n", "\n");
assertEquals(expectedOutput, actualOutput);
} finally {
globals.STDOUT = oldps;
ps.close();
}
} catch ( IOException ioe ) {
throw new RuntimeException(ioe.toString());
} catch ( InterruptedException ie ) {
throw new RuntimeException(ie.toString());
}
}
protected LuaValue loadScript(String name, Globals globals) throws IOException {
InputStream script = this.findResource(name+".lua");
if ( script == null )
fail("Could not load script for test case: " + name);
try {
switch ( this.platform ) {
case LUAJIT:
if ( nocompile ) {
LuaValue c = (LuaValue) Class.forName(name).newInstance();
return c;
} else {
LuaJC.install(globals);
return globals.load(script, name, "bt", globals);
}
default:
return globals.load(script, "@"+name+".lua", "bt", globals);
}
} catch ( Exception e ) {
e.printStackTrace();
throw new IOException( e.toString() );
} finally {
script.close();
}
}
private String getExpectedOutput(final String name) throws IOException,
InterruptedException {
InputStream output = this.findResource(name+".out");
if (output != null)
try {
return readString(output);
} finally {
output.close();
}
String expectedOutput = executeLuaProcess(name);
if (expectedOutput == null)
throw new IOException("Failed to get comparison output or run process for "+name);
return expectedOutput;
}
private String executeLuaProcess(String name) throws IOException, InterruptedException {
InputStream script = findResource(name+".lua");
if ( script == null )
throw new IOException("Failed to find source file "+script);
try {
String luaCommand = System.getProperty("LUA_COMMAND");
if ( luaCommand == null )
luaCommand = "lua";
String[] args = new String[] { luaCommand, "-", platform.toString() };
return collectProcessOutput(args, script);
} finally {
script.close();
}
}
public static String collectProcessOutput(String[] cmd, final InputStream input)
throws IOException, InterruptedException {
Runtime r = Runtime.getRuntime();
final ByteArrayOutputStream baos = new ByteArrayOutputStream();
new JseProcess(cmd, input, baos, System.err).waitFor();
return new String(baos.toByteArray());
}
private String readString(InputStream is) throws IOException {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
copy(is, baos);
return new String(baos.toByteArray());
}
private static void copy(InputStream is, OutputStream os) throws IOException {
byte[] buf = new byte[1024];
int r;
while ((r = is.read(buf)) >= 0) {
os.write(buf, 0, r);
}
}
}