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/*******************************************************************************
* Copyright (c) 2012-2013 Red Hat, Inc.
* 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:
* Red Hat - initial API and implementation
*******************************************************************************/
package org.eclipse.linuxtools.systemtap.ui.ide.test.editors.stp;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assume.assumeTrue;
import java.io.IOException;
import org.eclipse.jface.text.BadLocationException;
import org.eclipse.jface.text.Document;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.contentassist.ICompletionProposal;
import org.eclipse.linuxtools.internal.systemtap.ui.ide.editors.stp.STPCompletionProcessor;
import org.eclipse.linuxtools.internal.systemtap.ui.ide.editors.stp.STPDocumentProvider;
import org.eclipse.linuxtools.internal.systemtap.ui.ide.editors.stp.STPEditor;
import org.eclipse.linuxtools.tools.launch.core.factory.RuntimeProcessFactory;
import org.junit.Test;
public class STPCompletionProcessorTest {
private static String TEST_STP_SCRIPT = ""+
"\n"+
"\n//marker1"+
"probe syscall.write{\n"+
" // Some comment inside a probe\n"+
" printf(\"%s fd %d\taddr%d\tcount%dargstr%s\n\", name, fd, buf_uaddr, count, argstr)\n"+
"}\n"+
"\n";
private static class MockSTPDocumentProvider extends STPDocumentProvider{
private IDocument document;
MockSTPDocumentProvider(IDocument document){
this.document = document;
this.setupDocument(document);
}
@Override
protected IDocument createDocument(Object element) {
return document;
}
}
private static class MockSTPEditor extends STPEditor{
public MockSTPEditor(IDocument document) {
super();
setDocumentProvider(new MockSTPDocumentProvider(document));
}
}
@Test
public void testCompletionRequest() {
Document testDocument = new Document("");
STPCompletionProcessor completionProcessor = new STPCompletionProcessor();
ICompletionProposal[] proposals = completionProcessor
.computeCompletionProposals(testDocument, 0);
assertNotNull(proposals);
}
@Test
public void testCompletionRequestAtEOF() {
Document testDocument = new Document(TEST_STP_SCRIPT);
STPCompletionProcessor completionProcessor = new STPCompletionProcessor();
ICompletionProposal[] proposals = completionProcessor
.computeCompletionProposals(testDocument,
TEST_STP_SCRIPT.length());
assertNotNull(proposals);
}
@Test
public void testGlobalCompletion() {
Document testDocument = new Document(TEST_STP_SCRIPT);
int offset = TEST_STP_SCRIPT.indexOf("//marker1");
STPCompletionProcessor completionProcessor = new STPCompletionProcessor();
ICompletionProposal[] proposals = completionProcessor
.computeCompletionProposals(testDocument,
offset);
assertTrue(proposalsContain(proposals, "probe "));
assertTrue(proposalsContain(proposals, "global "));
assertTrue(proposalsContain(proposals, "function "));
}
@Test
public void testGlobalPartialCompletion() throws BadLocationException {
String prefix = "prob";
ICompletionProposal[] proposals = getCompletionsForPrefix(prefix);
assertTrue(proposalsContain(proposals, "probe "));
assertTrue(!proposalsContain(proposals, "global "));
assertTrue(!proposalsContain(proposals, "function "));
}
@Test
public void testProbeCompletion() throws BadLocationException {
assumeTrue(stapInstalled());
String prefix = "probe ";
ICompletionProposal[] proposals = getCompletionsForPrefix(prefix);
assertTrue(proposalsContain(proposals, "syscall"));
assertTrue(!proposalsContain(proposals, "syscall.write"));
}
@Test
public void testMultiProbeCompletion() throws BadLocationException {
assumeTrue(stapInstalled());
String prefix = "probe begin,e";
ICompletionProposal[] proposals = getCompletionsForPrefix(prefix);
assertTrue(proposalsContain(proposals, "end"));
assertTrue(proposalsContain(proposals, "error"));
prefix = "probe myBegin = b";
proposals = getCompletionsForPrefix(prefix);
assertTrue(proposalsContain(proposals, "begin"));
}
@Test
public void testGlobalInvalidCompletion() throws BadLocationException {
ICompletionProposal[] proposals = getCompletionsForPrefix("probe fake.fake");
assertTrue(proposals.length == 0);
}
@Test
public void testStaticProbeCompletion() throws BadLocationException{
ICompletionProposal[] proposals = getCompletionsForPrefix("probe kernel.");
assertTrue(proposalsContain(proposals, "kernel.function(\"PATTERN\")"));
assertTrue(proposalsContain(proposals, "kernel.mark(\"MARK\")"));
}
@Test
public void testEndProbeCompletion() throws BadLocationException {
assumeTrue(stapInstalled());
Document testDocument = new Document(TEST_STP_SCRIPT);
@SuppressWarnings("unused")
MockSTPEditor editor = new MockSTPEditor(testDocument);
int offset = TEST_STP_SCRIPT.indexOf("//marker1");
String prefix = "probe end{}";
testDocument.replace(offset, 0, prefix);
offset += prefix.length() - 1;
STPCompletionProcessor completionProcessor = new STPCompletionProcessor();
completionProcessor.waitForInitialization();
ICompletionProposal[] proposals = completionProcessor
.computeCompletionProposals(testDocument,
offset);
assertTrue(proposalsContain(proposals, "user_int16"));
assertTrue(proposalsContain(proposals, "user_int32"));
assertTrue(proposalsContain(proposals, "user_int64"));
}
@Test
public void testProbeVariableCompletion() throws BadLocationException {
assumeTrue(stapInstalled());
Document testDocument = new Document(TEST_STP_SCRIPT);
@SuppressWarnings("unused")
MockSTPEditor editor = new MockSTPEditor(testDocument);
int offset = TEST_STP_SCRIPT.indexOf("//marker1");
String prefix = "probe syscall.write{}";
testDocument.replace(offset, 0, prefix);
offset += prefix.length() - 1;
STPCompletionProcessor completionProcessor = new STPCompletionProcessor();
ICompletionProposal[] proposals = completionProcessor
.computeCompletionProposals(testDocument,
offset);
assertTrue(proposalsContain(proposals, "fd:long"));
assertTrue(proposalsContain(proposals, "name:string"));
assertTrue(proposalsContain(proposals, "buf_uaddr:long"));
}
@Test
public void testStaticProbeNormalizationCompletion() throws BadLocationException{
ICompletionProposal[] proposals = getCompletionsForPrefix("probe kernel.function(\"PATTERNASDF\").");
assertTrue(proposalsContain(proposals, "kernel.function(\"PATTERN\").return"));
proposals = getCompletionsForPrefix("probe probe process(\"PAT/H/\").");
assertTrue(proposalsContain(proposals, "process(\"PATH\").begin"));
assertTrue(proposalsContain(proposals, "process(\"PATH\").end"));
proposals = getCompletionsForPrefix("probe process(123).");
assertTrue(proposalsContain(proposals, "process(PID).begin"));
assertTrue(proposalsContain(proposals, "process(PID).end"));
proposals = getCompletionsForPrefix("probe module(\"MPATTERasdfN\").");
assertTrue(proposalsContain(proposals, "module(\"MPATTERN\").function(\"PATTERN\")"));
assertTrue(proposalsContain(proposals, "module(\"MPATTERN\").statement(\"PATTERN\")"));
}
private ICompletionProposal[] getCompletionsForPrefix(String prefix) throws BadLocationException{
Document testDocument = new Document(TEST_STP_SCRIPT);
int offset = TEST_STP_SCRIPT.indexOf("//marker1");
testDocument.replace(offset, 0, prefix);
offset += prefix.length();
STPCompletionProcessor completionProcessor = new STPCompletionProcessor();
completionProcessor.waitForInitialization();
ICompletionProposal[] proposals = completionProcessor
.computeCompletionProposals(testDocument,
offset);
return proposals;
}
private boolean stapInstalled(){
try {
Process process = RuntimeProcessFactory.getFactory().exec(new String[]{"stap", "-V"}, null);
return (process != null);
} catch (IOException e) {
e.printStackTrace();
}
return false;
}
@Test
public void testFunctionCompletion() throws BadLocationException {
assumeTrue(stapInstalled());
Document testDocument = new Document(TEST_STP_SCRIPT);
@SuppressWarnings("unused")
MockSTPEditor editor = new MockSTPEditor(testDocument);
int offset = TEST_STP_SCRIPT.indexOf("//marker1");
String prefix = "probe syscall.write{user_}";
testDocument.replace(offset, 0, prefix);
offset += prefix.length() - 1;
STPCompletionProcessor completionProcessor = new STPCompletionProcessor();
completionProcessor.waitForInitialization();
ICompletionProposal[] proposals = completionProcessor
.computeCompletionProposals(testDocument,
offset);
assertTrue(proposalsContain(proposals, "user_int16"));
assertTrue(proposalsContain(proposals, "user_int32"));
assertTrue(proposalsContain(proposals, "user_int64"));
}
private boolean proposalsContain(ICompletionProposal[] proposals, String proposal){
for (ICompletionProposal p : proposals) {
if (p.getDisplayString().contains(proposal))
return true;
}
return false;
}
}
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