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package org.netbeans.modules.spring.beans.model;
import java.io.IOException;
import java.lang.ref.WeakReference;
import java.util.concurrent.Callable;
import javax.swing.text.Document;
import org.netbeans.editor.BaseDocument;
import org.netbeans.modules.spring.beans.ConfigFileTestCase;
import org.netbeans.modules.spring.beans.TestUtils;
import org.netbeans.modules.spring.beans.model.SpringConfigFileModelController.LockedDocument;
import org.netbeans.modules.spring.beans.model.impl.ConfigFileSpringBeanSource;
/**
*
* @author Andrei Badea
*/
public class SpringConfigFileModelControllerTest extends ConfigFileTestCase {
public SpringConfigFileModelControllerTest(String testName) {
super(testName);
}
public void testReadParse() throws Exception {
String contents = TestUtils.createXMLConfigText("");
TestUtils.copyStringToFile(contents, configFile);
final ParseCountingBeanSource beanSource = new ParseCountingBeanSource();
final SpringConfigFileModelController controller = new SpringConfigFileModelController(configFile, beanSource);
ExclusiveAccess.getInstance().runSyncTask(new Callable<Void>() {
public Void call() throws IOException {
controller.getUpToDateBeanSource();
// Document was parsed, since this was the very first access.
assertEquals(1, beanSource.getAndResetParseCount());
// Subsequente getBeanSource() call should not cause any parsing.
controller.getUpToDateBeanSource();
// Subsequent getDocumentRead() calls should not cause any parsing,
// since there have been no changes to the file.
assertEquals(0, beanSource.getAndResetParseCount());
return null;
}
});
}
public void testWriteParse() throws Exception {
String contents = TestUtils.createXMLConfigText("");
TestUtils.copyStringToFile(contents, configFile);
final ParseCountingBeanSource beanSource = new ParseCountingBeanSource();
final SpringConfigFileModelController controller = new SpringConfigFileModelController(configFile, beanSource);
ExclusiveAccess.getInstance().runSyncTask(new Callable<Void>() {
public Void call() throws IOException {
beanSource.getAndResetParseCount();
LockedDocument lockedDoc = controller.getLockedDocument();
lockedDoc.lock();
try {
lockedDoc.getBeanSource();
// Document was parsed, since this was the very first access.
assertEquals(1, beanSource.getAndResetParseCount());
lockedDoc.getBeanSource();
lockedDoc.getBeanSource();
// Subsequence getBeanSource() call should not cause any parsing.
assertEquals(0, beanSource.getAndResetParseCount());
} finally {
lockedDoc.unlock();
}
lockedDoc = controller.getLockedDocument();
lockedDoc.lock();
try {
lockedDoc.getBeanSource();
// Subsequent getDocumentWrite() should parse, even though the file was not changed.
assertEquals(1, beanSource.getAndResetParseCount());
} finally {
lockedDoc.unlock();
}
return null;
}
});
};
public void testCanGCDocument() throws Exception {
String contents = TestUtils.createXMLConfigText("");
TestUtils.copyStringToFile(contents, configFile);
final SpringConfigFileModelController controller = new SpringConfigFileModelController(configFile, new ConfigFileSpringBeanSource());
final BaseDocument[] doc = { null };
ExclusiveAccess.getInstance().runSyncTask(new Callable<Void>() {
public Void call() throws IOException {
LockedDocument lockedDoc = controller.getLockedDocument();
lockedDoc.lock();
try {
doc[0] = lockedDoc.getDocument();
assertTrue(doc[0].isAtomicLock());
} finally {
lockedDoc.unlock();
assertFalse(doc[0].isAtomicLock());
}
return null;
}
});
WeakReference<Document> docRef = new WeakReference<Document>(doc[0]);
doc[0] = null;
assertGC("Should be possible to GC the document", docRef);
}
public void testIOErrorInLockedDocumentParse() throws Exception {
String contents = TestUtils.createXMLConfigText("");
TestUtils.copyStringToFile(contents, configFile);
final SpringConfigFileModelController controller = new SpringConfigFileModelController(configFile, new IOExceptionSpringBeanSource());
ExclusiveAccess.getInstance().runSyncTask(new Callable<Void>() {
public Void call() throws IOException {
LockedDocument lockedDoc = controller.getLockedDocument();
assertFalse(lockedDoc.document.isAtomicLock());
try {
lockedDoc.lock();
fail(); // Should have thrown IOException.
} catch (IOException e) {
// Expected.
} finally {
assertFalse(lockedDoc.document.isAtomicLock());
}
return null;
}
});
}
private static final class ParseCountingBeanSource extends ConfigFileSpringBeanSource {
private int parseCount;
@Override
public void parse(BaseDocument document) throws IOException {
parseCount++;
super.parse(document);
}
public int getAndResetParseCount() {
int result = parseCount;
parseCount = 0;
return result;
}
}
private static final class IOExceptionSpringBeanSource extends ConfigFileSpringBeanSource {
@Override
public void parse(BaseDocument document) throws IOException {
throw new IOException();
}
}
}
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