/**
* Copyright (c) 2005-2011 by Appcelerator, Inc. All Rights Reserved.
* Licensed under the terms of the Eclipse Public License (EPL).
* Please see the license.txt included with this distribution for details.
* Any modifications to this file must keep this entire header intact.
*/
package org.python.pydev.parser.visitors.scope;
import java.util.Iterator;
import java.util.List;
import junit.framework.TestCase;
import org.eclipse.jface.text.Document;
import org.python.pydev.core.IPythonNature;
import org.python.pydev.parser.PyParser;
import org.python.pydev.parser.jython.SimpleNode;
import com.aptana.shared_core.structure.Tuple;
public class CodeFoldingVisitorTest extends TestCase {
public static void main(String[] args) {
try {
CodeFoldingVisitorTest test = new CodeFoldingVisitorTest();
test.setUp();
test.testTryFinallyVersion25();
test.tearDown();
junit.textui.TestRunner.run(CodeFoldingVisitorTest.class);
} catch (Throwable e) {
e.printStackTrace();
}
}
public void testIfElifElse() throws Exception {
CodeFoldingVisitor visitor = new CodeFoldingVisitor();
String str = "if a:\n" +
" print 1\n" +
"elif b:\n" +
" print 2\n" +
"else:\n" +
" print 3\n" +
"\n";
Tuple<SimpleNode, Throwable> objects = PyParser.reparseDocument(new PyParser.ParserInfo(new Document(str),
IPythonNature.GRAMMAR_PYTHON_VERSION_2_4));
SimpleNode root = objects.o1;
root.accept(visitor);
Iterator<ASTEntry> iterator = visitor.getIterator();
check((ASTEntryWithChildren) iterator.next(), "If", 1, 1, 2, 0);
check((ASTEntryWithChildren) iterator.next(), "If", 1, 3, 4, 0);
check((ASTEntryWithChildren) iterator.next(), "If", 1, 5, 6, 0);
assertTrue(iterator.hasNext() == false);
}
public void testIf() throws Exception {
CodeFoldingVisitor visitor = new CodeFoldingVisitor();
String str = "" +
"if a:\n" +
" print 1\n" +
" if b:\n" +
" print 2\n" +
" elif c:\n"
+
" print 3\n" +
" else:\n" +
" print 4\n" +
"";
Tuple<SimpleNode, Throwable> objects = PyParser.reparseDocument(new PyParser.ParserInfo(new Document(str),
IPythonNature.GRAMMAR_PYTHON_VERSION_2_4));
SimpleNode root = objects.o1;
root.accept(visitor);
Iterator<ASTEntry> iterator = visitor.getIterator();
ASTEntryWithChildren element = (ASTEntryWithChildren) iterator.next();
check(element, "If", 1, 1, 8, 3);
assertTrue(iterator.hasNext() == false);
Iterator<ASTEntryWithChildren> iterator2 = element.children.iterator();
check((ASTEntryWithChildren) iterator2.next(), "If", 5, 3, 4, 0);
check((ASTEntryWithChildren) iterator2.next(), "If", 5, 5, 6, 0);
check((ASTEntryWithChildren) iterator2.next(), "If", 1, 7, 8, 0);
}
public void testWith() throws Exception {
CodeFoldingVisitor visitor = new CodeFoldingVisitor();
String str = "" +
"from __future__ import with_statement\n" +
"with a:\n" +
" print a\n" +
"";
Tuple<SimpleNode, Throwable> objects = PyParser.reparseDocument(new PyParser.ParserInfo(new Document(str),
IPythonNature.GRAMMAR_PYTHON_VERSION_2_5));
SimpleNode root = objects.o1;
root.accept(visitor);
Iterator<ASTEntry> iterator = visitor.getIterator();
check((ASTEntryWithChildren) iterator.next(), "from __future__ import with_statement", 6, 1, 1, 0);
check((ASTEntryWithChildren) iterator.next(), "With", 1, 2, 3, 0);
assertTrue(iterator.hasNext() == false);
}
public void testFor() throws Exception {
CodeFoldingVisitor visitor = new CodeFoldingVisitor();
String str = "" +
"for a in b:\n" +
" print 4\n" +
"else:\n" +
" print 5\n" +
"\n" +
"";
Tuple<SimpleNode, Throwable> objects = PyParser.reparseDocument(new PyParser.ParserInfo(new Document(str),
IPythonNature.GRAMMAR_PYTHON_VERSION_2_4));
SimpleNode root = objects.o1;
root.accept(visitor);
Iterator<ASTEntry> iterator = visitor.getIterator();
check((ASTEntryWithChildren) iterator.next(), "For", 1, 1, 4, 0);
assertTrue(iterator.hasNext() == false);
}
public void testImport() throws Exception {
CodeFoldingVisitor visitor = new CodeFoldingVisitor();
String str = "" +
"from a import b\n" +
"import b\n" +
"";
Tuple<SimpleNode, Throwable> objects = PyParser.reparseDocument(new PyParser.ParserInfo(new Document(str),
IPythonNature.GRAMMAR_PYTHON_VERSION_2_4));
SimpleNode root = objects.o1;
root.accept(visitor);
Iterator<ASTEntry> iterator = visitor.getIterator();
check((ASTEntryWithChildren) iterator.next(), "from a import b", 6, 1, 1, 0);
check((ASTEntryWithChildren) iterator.next(), "import b", 8, 2, 2, 0);
assertTrue(iterator.hasNext() == false);
}
public void testWhile() throws Exception {
CodeFoldingVisitor visitor = new CodeFoldingVisitor();
String str = "" +
"while True:\n" +
" print 4\n" +
"else:\n" +
" print 5\n" +
"\n" +
"";
Tuple<SimpleNode, Throwable> objects = PyParser.reparseDocument(new PyParser.ParserInfo(new Document(str),
IPythonNature.GRAMMAR_PYTHON_VERSION_2_4));
SimpleNode root = objects.o1;
root.accept(visitor);
Iterator<ASTEntry> iterator = visitor.getIterator();
check((ASTEntryWithChildren) iterator.next(), "While", 1, 1, 4, 0);
assertTrue(iterator.hasNext() == false);
}
public void testTry() throws Exception {
CodeFoldingVisitor visitor = new CodeFoldingVisitor();
String str = "" +
"try:\n" +
" print 4\n" +
"except:\n" +
" print 5\n" +
"\n" +
"";
Tuple<SimpleNode, Throwable> objects = PyParser.reparseDocument(new PyParser.ParserInfo(new Document(str),
IPythonNature.GRAMMAR_PYTHON_VERSION_2_4));
SimpleNode root = objects.o1;
root.accept(visitor);
Iterator<ASTEntry> iterator = visitor.getIterator();
check((ASTEntryWithChildren) iterator.next(), "TryExcept", 1, 1, 4, 0);
assertTrue(iterator.hasNext() == false);
}
public void testTryFinally() throws Exception {
CodeFoldingVisitor visitor = new CodeFoldingVisitor();
String str = "" +
"try:\n" +
" print 4\n" +
"finally:\n" +
" print 5\n" +
"\n" +
"";
Tuple<SimpleNode, Throwable> objects = PyParser.reparseDocument(new PyParser.ParserInfo(new Document(str),
IPythonNature.GRAMMAR_PYTHON_VERSION_2_4));
SimpleNode root = objects.o1;
root.accept(visitor);
Iterator<ASTEntry> iterator = visitor.getIterator();
check((ASTEntryWithChildren) iterator.next(), "TryFinally", 1, 1, 4, 0);
assertTrue(iterator.hasNext() == false);
}
public void testTryFinallyVersion25() throws Exception {
CodeFoldingVisitor visitor = new CodeFoldingVisitor();
String str = "" +
"try:\n" +
" print 4\n" +
"finally:\n" +
" print 5\n" +
"\n" +
"";
Tuple<SimpleNode, Throwable> objects = PyParser.reparseDocument(new PyParser.ParserInfo(new Document(str),
IPythonNature.GRAMMAR_PYTHON_VERSION_2_5));
SimpleNode root = objects.o1;
root.accept(visitor);
Iterator<ASTEntry> iterator = visitor.getIterator();
check((ASTEntryWithChildren) iterator.next(), "TryFinally", 1, 1, 4, 0);
assertTrue(iterator.hasNext() == false);
}
public void testString() throws Exception {
CodeFoldingVisitor visitor = new CodeFoldingVisitor();
String str = "" +
"'''\n" +
"test\n" +
"'''\n" +
"";
Tuple<SimpleNode, Throwable> objects = PyParser.reparseDocument(new PyParser.ParserInfo(new Document(str),
IPythonNature.GRAMMAR_PYTHON_VERSION_2_5));
SimpleNode root = objects.o1;
root.accept(visitor);
Iterator<ASTEntry> iterator = visitor.getIterator();
check((ASTEntryWithChildren) iterator.next(), "Str", 1, 1, 3, 0);
assertTrue(iterator.hasNext() == false);
}
public void testTryFinally2() throws Exception {
CodeFoldingVisitor visitor = new CodeFoldingVisitor();
String str = "" +
"def foo():\n" +
" try:\n" +
" pass\n" +
" except(Exception):\n"
+
" pass\n" +
" finally:\n" +
" pass\n" +
" \n" +
" try:\n"
+
" pass\n" +
" finally:\n" +
" pass\n" +
"\n";
Tuple<SimpleNode, Throwable> objects = PyParser.reparseDocument(new PyParser.ParserInfo(new Document(str),
IPythonNature.GRAMMAR_PYTHON_VERSION_2_5));
SimpleNode root = objects.o1;
root.accept(visitor);
Iterator<ASTEntry> iterator = visitor.getIterator();
ASTEntry method = iterator.next();
check((ASTEntryWithChildren) method, "foo", 1, 1, 12, 2);
List<ASTEntryWithChildren> children = ((ASTEntryWithChildren) method).children;
ASTEntryWithChildren try1 = children.get(0);
ASTEntryWithChildren try2 = children.get(1);
ASTEntryWithChildren innerTry = try1.children.get(0);
check(try1, "TryFinally", 5, 2, 7, 1);
check(innerTry, "TryExcept", 5, 2, 5, 0);
check(try2, "TryFinally", 5, 9, 12, 0);
assertEquals(2, children.size());
assertTrue(iterator.hasNext() == false);
}
private void check(ASTEntryWithChildren entry, String name, int col, int begLine, int endLine, int children) {
assertEquals(name, entry.getName());
assertEquals(col, entry.node.beginColumn);
assertEquals(begLine, entry.node.beginLine);
assertEquals(endLine, entry.endLine);
if (children == 0 && entry.children == null) {
return; //ok, null means 0 children
}
assertEquals(children, entry.children.size());
}
}