Package com.python.pydev.refactoring.tdd

Source Code of com.python.pydev.refactoring.tdd.TddTestWorkbench

/**
* 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 com.python.pydev.refactoring.tdd;

import java.io.ByteArrayInputStream;
import java.util.ArrayList;
import java.util.List;

import junit.framework.Test;
import junit.framework.TestSuite;

import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IMarker;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.Path;
import org.eclipse.jface.text.BadLocationException;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.contentassist.ICompletionProposal;
import org.eclipse.jface.text.contentassist.ICompletionProposalExtension2;
import org.python.pydev.core.MisconfigurationException;
import org.python.pydev.core.callbacks.ICallbackListener;
import org.python.pydev.core.docutils.PySelection;
import org.python.pydev.core.docutils.StringUtils;
import org.python.pydev.core.parser.IParserObserver;
import org.python.pydev.core.parser.ISimpleNode;
import org.python.pydev.editor.PyEdit;
import org.python.pydev.editor.codecompletion.revisited.javaintegration.AbstractWorkbenchTestCase;
import org.python.pydev.editorinput.PyOpenEditor;
import org.python.pydev.parser.PyParser;
import org.python.pydev.plugin.PydevPlugin;

import com.aptana.shared_core.callbacks.ICallback;
import com.aptana.shared_core.structure.Tuple;
import com.python.pydev.analysis.AnalysisRequestsTestWorkbench;
import com.python.pydev.analysis.builder.AnalysisParserObserver;
import com.python.pydev.analysis.builder.AnalysisRunner;

public class TddTestWorkbench extends AbstractWorkbenchTestCase implements IParserObserver {

    public static Test suite() {
        TestSuite suite = new TestSuite(TddTestWorkbench.class.getName());

        suite.addTestSuite(TddTestWorkbench.class);

        if (suite.countTestCases() == 0) {
            throw new Error("There are no test cases to run");
        } else {
            return suite;
        }
    }

    private PyParser parser;
    private int parserNotified;

    public void testCheckTddQuickFixes() throws Exception {
        //We have to wait a bit until the info is setup for the tests to work...
        waitForModulesManagerSetup();

        checkCreateMethod4();

        checkCreateMethod3();

        checkCreateMethodAtField0();

        checkCreateMethodAtField();

        checkCreateFieldAtField();

        checkCreateField();

        checkCreateNewModule4();

        checkCreateFieldAtClass5();

        checkCreateConstant();

        checkCreateFieldAtClass4();

        checkCreateMethod2();

        checkCreateFieldAtClass3();

        checkCreateFieldAtClass2();

        checkCreateFieldAtClass();

        checkCreateMethodAtClass();

        checkCreateMethodAtClass2();

        checkCreateClass();

        checkCreateClassWithParams();

        checkCreateClassWithParams2();

        checkCreateClassInit();

        checkCreateClassInit2();

        checkCreateClassInit3();

        checkCreateClassAtOtherModule();

        checkCreateMethod();

        checkCreateMethodAtOtherModule();

        checkCreateBoundMethod();

        checkCreateMethodAtOtherModule2();

        checkCreateMethodAtOtherModule4();

        checkCreateNewModule();

        checkCreateNewModule2();

        checkCreateNewModuleWithClass();

        checkCreateNewModule3();

        checkCreateNewModuleWithClass2();

        checkCreateNewModuleWithClass3();

        checkCreateNewMethodInClass();
    }

    private void checkCreateField() throws CoreException, BadLocationException, MisconfigurationException {
        String mod1Contents = "" +
                "class Err(object):\n" +
                "\n" +
                "   def Foo(self):\n"
                +
                "       self._suggestion_not_there.get()" +
                "";
        setContentsAndWaitReparseAndError(mod1Contents, false); //no error here

        TddCodeGenerationQuickFixParticipant quickFix = new TddCodeGenerationQuickFixParticipant();
        IDocument doc = editor.getDocument();
        int offset = doc.getLength();
        PySelection ps = new PySelection(doc, offset);
        assertTrue(quickFix.isValid(ps, "", editor, offset));
        try {
            waitForQuickFixProps(quickFix, ps, offset, "Create _suggestion_not_there field at Err").apply(
                    editor.getISourceViewer(), '\n', 0, offset);
            assertContentsEqual("" +
                    "class Err(object):\n" +
                    "\n" +
                    "   \n" +
                    "   def __init__(self):\n"
                    +
                    "       self._suggestion_not_there = None\n" +
                    "   \n" +
                    "   \n" +
                    "\n" +
                    "   def Foo(self):\n"
                    +
                    "       self._suggestion_not_there.get()" +
                    "", editor.getDocument().get());
        } finally {
            editor.doRevertToSaved();
        }
    }

    private void checkCreateMethodAtField0() throws CoreException, BadLocationException, MisconfigurationException {
        String mod1Contents = "" +
                "class A:\n" +
                "   pass\n" +
                "\n" +
                "class B:\n" +
                "\n"
                +
                "   def __init__(self, *args):\n" +
                "       self._a = A()\n" +
                "       self._a.Foo()" +
                "";
        setContentsAndWaitReparseAndError(mod1Contents, false); //no error here

        TddCodeGenerationQuickFixParticipant quickFix = new TddCodeGenerationQuickFixParticipant();
        IDocument doc = editor.getDocument();
        int offset = doc.getLength();
        PySelection ps = new PySelection(doc, offset);
        assertTrue(quickFix.isValid(ps, "", editor, offset));
        try {
            waitForQuickFixProps(quickFix, ps, offset, "Create Foo method at A (pack1.pack2.mod1)").apply(
                    editor.getISourceViewer(), '\n', 0, offset);
            assertContentsEqual("" +
                    "class A:\n" +
                    "   \n" +
                    "   \n" +
                    "   def Foo(self):\n" +
                    "       pass\n"
                    +
                    "   \n" +
                    "   \n" +
                    "\n" +
                    "\n" +
                    "class B:\n" +
                    "\n" +
                    "   def __init__(self, *args):\n"
                    +
                    "       self._a = A()\n" +
                    "       self._a.Foo()" +
                    "", editor.getDocument().get());
        } finally {
            editor.doRevertToSaved();
        }
    }

    private void checkCreateMethodAtField() throws CoreException, BadLocationException, MisconfigurationException {
        String mod1Contents = "" +
                "class Bar(object):\n" +
                "   pass\n" +
                "\n" +
                "class MyTestClass(object):\n"
                +
                "    \n" +
                "    def __init__(self):\n" +
                "        self.bar = Bar()\n" +
                "    \n"
                +
                "    def test_1(self):\n" +
                "        self.bar.something()" +
                "";
        setContentsAndWaitReparseAndError(mod1Contents, false); //no error here

        TddCodeGenerationQuickFixParticipant quickFix = new TddCodeGenerationQuickFixParticipant();
        IDocument doc = editor.getDocument();
        int offset = doc.getLength();
        PySelection ps = new PySelection(doc, offset);
        assertTrue(quickFix.isValid(ps, "", editor, offset));
        try {
            waitForQuickFixProps(quickFix, ps, offset, "Create something method at Bar (pack1.pack2.mod1)").apply(
                    editor.getISourceViewer(), '\n', 0, offset);
            assertContentsEqual("" +
                    "class Bar(object):\n" +
                    "   \n" +
                    "   \n" +
                    "   def something(self):\n"
                    +
                    "       pass\n" +
                    "   \n" +
                    "   \n" +
                    "\n" +
                    "\n" +
                    "class MyTestClass(object):\n" +
                    "    \n"
                    +
                    "    def __init__(self):\n" +
                    "        self.bar = Bar()\n" +
                    "    \n" +
                    "    def test_1(self):\n"
                    +
                    "        self.bar.something()" +
                    "", editor.getDocument().get());
        } finally {
            editor.doRevertToSaved();
        }
    }

    private void checkCreateFieldAtField() throws CoreException, BadLocationException, MisconfigurationException {
        String mod1Contents = "" +
                "class Bar(object):\n" +
                "    pass\n" +
                "\n" +
                "class MyTestClass(object):\n"
                +
                "    \n" +
                "    def __init__(self):\n" +
                "        self.bar = Bar()\n" +
                "    \n"
                +
                "    def test_1(self):\n" +
                "        self.bar.something" +
                "";
        setContentsAndWaitReparseAndError(mod1Contents, false); //no error here

        TddCodeGenerationQuickFixParticipant quickFix = new TddCodeGenerationQuickFixParticipant();
        IDocument doc = editor.getDocument();
        int offset = doc.getLength();
        PySelection ps = new PySelection(doc, offset);
        assertTrue(quickFix.isValid(ps, "", editor, offset));
        try {
            waitForQuickFixProps(quickFix, ps, offset, "Create something field at Bar (pack1.pack2.mod1)").apply(
                    editor.getISourceViewer(), '\n', 0, offset);
            assertContentsEqual("" +
                    "class Bar(object):\n" +
                    "    \n" +
                    "    \n" +
                    "    def __init__(self):\n"
                    +
                    "        self.something = None\n" +
                    "    \n" +
                    "    \n" +
                    "\n" +
                    "\n"
                    +
                    "class MyTestClass(object):\n" +
                    "    \n" +
                    "    def __init__(self):\n"
                    +
                    "        self.bar = Bar()\n" +
                    "    \n" +
                    "    def test_1(self):\n"
                    +
                    "        self.bar.something" +
                    "", editor.getDocument().get());
        } finally {
            editor.doRevertToSaved();
        }
    }

    private void checkCreateBoundMethod() throws CoreException, BadLocationException, MisconfigurationException {
        String mod1Contents = "" +
                "class Foo(object):\n" +
                "    def m1(self):\n" +
                "        self.bar()";
        setContentsAndWaitReparseAndError(mod1Contents, false); //no error here

        TddCodeGenerationQuickFixParticipant quickFix = new TddCodeGenerationQuickFixParticipant();
        IDocument doc = editor.getDocument();
        int offset = doc.getLength() - "r()".length();
        PySelection ps = new PySelection(doc, offset);
        assertTrue(quickFix.isValid(ps, "", editor, offset));
        try {
            waitForQuickFixProps(quickFix, ps, offset, "Create bar method at Foo").apply(editor.getISourceViewer(),
                    '\n', 0, offset);
            assertContentsEqual("" +
                    "class Foo(object):\n" +
                    "\n" +
                    "    \n" +
                    "    def bar(self):\n"
                    +
                    "        pass\n" +
                    "    \n" +
                    "    \n" +
                    "    def m1(self):\n" +
                    "        self.bar()" +
                    "",
                    editor.getDocument().get());
        } finally {
            editor.doRevertToSaved();
        }
    }

    private void checkCreateNewMethodInClass() throws CoreException, BadLocationException, MisconfigurationException {
        String mod1Contents = "" +
                "class MyClass(object):\n" +
                "    pass\n" +
                "\n" +
                "def makeTestObj():\n"
                +
                "    return MyClass()\n" +
                "\n" +
                "def makeTestObj2():\n" +
                "    return makeTestObj()\n" +
                "\n"
                +
                "def testName():\n" +
                "    obj = makeTestObj2()\n" +
                "    obj.unimplementedFunction()";
        setContentsAndWaitReparseAndError(mod1Contents, false); //no error here

        TddCodeGenerationQuickFixParticipant quickFix = new TddCodeGenerationQuickFixParticipant();
        IDocument doc = editor.getDocument();
        int offset = doc.getLength() - "()".length();
        PySelection ps = new PySelection(doc, offset);
        assertTrue(quickFix.isValid(ps, "", editor, offset));
        try {
            waitForQuickFixProps(quickFix, ps, offset,
                    "Create unimplementedFunction method at MyClass (pack1.pack2.mod1)").apply(
                    editor.getISourceViewer(), '\n', 0, offset);
            assertContentsEqual("" +
                    "class MyClass(object):\n" +
                    "    \n" +
                    "    \n"
                    +
                    "    def unimplementedFunction(self):\n" +
                    "        pass\n" +
                    "    \n" +
                    "    \n" +
                    "\n" +
                    "\n"
                    +
                    "def makeTestObj():\n" +
                    "    return MyClass()\n" +
                    "\n" +
                    "def makeTestObj2():\n"
                    +
                    "    return makeTestObj()\n" +
                    "\n" +
                    "def testName():\n" +
                    "    obj = makeTestObj2()\n"
                    +
                    "    obj.unimplementedFunction()" +
                    "", editor.getDocument().get());
        } finally {
            editor.doRevertToSaved();
        }
    }

    private void checkCreateMethod3() throws CoreException, BadLocationException, MisconfigurationException {
        String mod1Contents = "" +
                "print i\n" + //just to have an error
                "class Foo(object):\n" +
                "\n" +
                "\n" +
                "    def m1(self):\n" +
                "        self.m2" +
                "" +
                "";
        setContentsAndWaitReparseAndError(mod1Contents);

        TddCodeGenerationQuickFixParticipant quickFix = new TddCodeGenerationQuickFixParticipant();
        int offset = mod1Contents.length();
        PySelection ps = new PySelection(editor.getDocument(), offset);
        assertTrue(quickFix.isValid(ps, "", editor, offset));
        try {
            waitForQuickFixProps(quickFix, ps, offset, "Create m2 method at Foo").apply(editor.getISourceViewer(),
                    '\n', 0, offset);
            assertContentsEqual("" +
                    "print i\n"
                    + //just to have an error
                    "class Foo(object):\n" +
                    "\n" +
                    "\n" +
                    "    def m2(self):\n" +
                    "        pass\n" +
                    "    \n"
                    +
                    "    \n" +
                    "    def m1(self):\n" +
                    "        self.m2" +
                    "" +
                    "", editor.getDocument().get());
        } finally {
            editor.doRevertToSaved();
        }
    }

    private void checkCreateMethod4() throws CoreException, BadLocationException, MisconfigurationException {
        String mod1Contents = "" +
                "print i\n"
                + //just to have an error
                "class Foo(object):\n" +
                "\n" +
                "#comment\n" +
                "\n" +
                "    def m1(self):\n" +
                "        self.m2" +
                ""
                +
                "";
        setContentsAndWaitReparseAndError(mod1Contents);

        TddCodeGenerationQuickFixParticipant quickFix = new TddCodeGenerationQuickFixParticipant();
        int offset = mod1Contents.length();
        PySelection ps = new PySelection(editor.getDocument(), offset);
        assertTrue(quickFix.isValid(ps, "", editor, offset));
        try {
            waitForQuickFixProps(quickFix, ps, offset, "Create m2 method at Foo").apply(editor.getISourceViewer(),
                    '\n', 0, offset);
            assertContentsEqual("" +
                    "print i\n"
                    + //just to have an error
                    "class Foo(object):\n" +
                    "\n" +
                    "#comment\n" +
                    "\n" +
                    "\n" +
                    "    def m2(self):\n"
                    +
                    "        pass\n" +
                    "    \n" +
                    "    \n" +
                    "    def m1(self):\n" +
                    "        self.m2" +
                    "" +
                    "",
                    editor.getDocument().get());
        } finally {
            editor.doRevertToSaved();
        }
    }

    private void checkCreateMethod2() throws CoreException, BadLocationException, MisconfigurationException {
        String mod1Contents = "" +
                "print i\n" + //just to have an error
                "class Foo(object):\n" +
                "\n" +
                "\n" +
                "    def m1(self):\n" +
                "        self.m2()" +
                "" +
                "";
        setContentsAndWaitReparseAndError(mod1Contents);

        TddCodeGenerationQuickFixParticipant quickFix = new TddCodeGenerationQuickFixParticipant();
        int offset = mod1Contents.length();
        PySelection ps = new PySelection(editor.getDocument(), offset);
        assertTrue(quickFix.isValid(ps, "", editor, offset));
        try {
            waitForQuickFixProps(quickFix, ps, offset, "Create m2 method at Foo").apply(editor.getISourceViewer(),
                    '\n', 0, offset);
            assertContentsEqual("" +
                    "print i\n"
                    + //just to have an error
                    "class Foo(object):\n" +
                    "\n" +
                    "\n" +
                    "    def m2(self):\n" +
                    "        pass\n" +
                    "    \n"
                    +
                    "    \n" +
                    "    def m1(self):\n" +
                    "        self.m2()" +
                    "" +
                    "", editor.getDocument().get());
        } finally {
            editor.doRevertToSaved();
        }
    }

    private void checkCreateMethod() throws CoreException, BadLocationException, MisconfigurationException {
        String mod1Contents = "Foo";
        setContentsAndWaitReparseAndError(mod1Contents);

        TddCodeGenerationQuickFixParticipant quickFix = new TddCodeGenerationQuickFixParticipant();
        PySelection ps = new PySelection(editor.getDocument(), 0);
        assertTrue(quickFix.isValid(ps, "", editor, 0));
        List<ICompletionProposal> props = quickFix.getProps(ps, PydevPlugin.getImageCache(), editor.getEditorFile(),
                editor.getPythonNature(), editor, 0);
        try {
            findCompletion(props, "Create Foo method").apply(editor.getISourceViewer(), '\n', 0, 0);
            assertContentsEqual("" +
                    "def Foo():\n" +
                    "    pass\n" +
                    "\n" +
                    "\n" +
                    "Foo" +
                    "", editor.getDocument()
                    .get());
        } finally {
            editor.doRevertToSaved();
        }
    }

    private void checkCreateMethodAtOtherModule() throws CoreException, BadLocationException, MisconfigurationException {
        String mod1Contents;
        TddCodeGenerationQuickFixParticipant quickFix;
        PySelection ps;
        IFile mod2 = initFile.getParent().getFile(new Path("other_module2.py"));
        mod2.create(new ByteArrayInputStream("".getBytes()), true, null);
        PyEdit editor2 = (PyEdit) PyOpenEditor.doOpenEditor(mod2);
        try {
            goToManual(AnalysisRequestsTestWorkbench.TIME_FOR_ANALYSIS); //give it a bit more time...
            mod1Contents = "" +
                    "import other_module2\n" +
                    "other_module2.Foo(a, b)";
            setContentsAndWaitReparseAndError(mod1Contents);

            quickFix = new TddCodeGenerationQuickFixParticipant();
            int offset = mod1Contents.length() - "o(a, b)".length();
            ps = new PySelection(editor.getDocument(), offset);
            assertTrue(quickFix.isValid(ps, "", editor, offset));
            waitForQuickFixProps(quickFix, ps, offset, "Create Foo method at other_module2.py").apply(
                    editor.getISourceViewer(), '\n', 0, offset);
            assertContentsEqual("" +
                    "def Foo(a, b):\n" +
                    "    pass\n" +
                    "\n" +
                    "\n" +
                    "", editor2.getDocument().get());

        } finally {
            editor2.close(false);
            mod2.delete(true, null);
        }
    }

    private void checkCreateMethodAtOtherModule2() throws CoreException, BadLocationException,
            MisconfigurationException {
        String mod1Contents;
        TddCodeGenerationQuickFixParticipant quickFix;
        PySelection ps;
        IFile mod2 = initFile.getParent().getFile(new Path("other_module3.py"));
        String str = "" +
                "class Bar(object):\n" +
                "    pass\n" +
                "";
        mod2.create(new ByteArrayInputStream(str.getBytes()), true, null);
        PyEdit editor2 = (PyEdit) PyOpenEditor.doOpenEditor(mod2);
        try {
            goToManual(AnalysisRequestsTestWorkbench.TIME_FOR_ANALYSIS); //give it a bit more time...
            mod1Contents = "" +
                    "import other_module3\n" +
                    "other_module3.Bar.Foo(10, 20)";
            setContentsAndWaitReparseAndError(mod1Contents);

            quickFix = new TddCodeGenerationQuickFixParticipant();
            int offset = mod1Contents.length() - "o(a, b)".length();
            ps = new PySelection(editor.getDocument(), offset);
            assertTrue(quickFix.isValid(ps, "", editor, offset));
            waitForQuickFixProps(quickFix, ps, offset, "Create Foo classmethod at Bar in other_module3.py").apply(
                    editor.getISourceViewer(), '\n', 0, offset);
            assertContentsEqual("" +
                    "class Bar(object):\n" +
                    "    \n" +
                    "    \n" +
                    "    @classmethod\n"
                    +
                    "    def Foo(cls, param1, param2):\n" +
                    "        pass\n" +
                    "    \n" +
                    "    \n" +
                    "\n" +
                    "",
                    editor2.getDocument().get());

        } finally {
            editor2.close(false);
            mod2.delete(true, null);
        }
    }

    private void checkCreateMethodAtOtherModule4() throws CoreException, BadLocationException,
            MisconfigurationException {
        String mod1Contents;
        TddCodeGenerationQuickFixParticipant quickFix;
        PySelection ps;
        IFile mod2 = initFile.getParent().getFile(new Path("other_module4.py"));
        String str = "";
        mod2.create(new ByteArrayInputStream(str.getBytes()), true, null);
        PyEdit editor2 = (PyEdit) PyOpenEditor.doOpenEditor(mod2);
        try {
            goToManual(AnalysisRequestsTestWorkbench.TIME_FOR_ANALYSIS); //give it a bit more time...
            mod1Contents = "" +
                    "from pack1.pack2.other_module4 import Foo";
            setContentsAndWaitReparseAndError(mod1Contents);

            quickFix = new TddCodeGenerationQuickFixParticipant();
            int offset = mod1Contents.length();
            ps = new PySelection(editor.getDocument(), offset);
            assertTrue(quickFix.isValid(ps, "", editor, offset));
            waitForQuickFixProps(quickFix, ps, offset, "Create Foo class at other_module4.py").apply(
                    editor.getISourceViewer(), '\n', 0, offset);
            assertContentsEqual("" +
                    "class Foo(object):\n" +
                    "    pass\n" +
                    "\n" +
                    "\n" +
                    "", editor2.getDocument()
                    .get());

        } finally {
            editor2.close(false);
            mod2.delete(true, null);
        }
    }

    private void checkCreateNewModule() throws CoreException, BadLocationException, MisconfigurationException {
        String mod1Contents;
        TddCodeGenerationQuickFixParticipant quickFix;
        PySelection ps;
        IFile mod2 = initFile.getParent().getFile(new Path("module_new.py"));
        final List<PyEdit> pyEditCreated = new ArrayList<PyEdit>();
        ICallbackListener<PyEdit> listener = new ICallbackListener<PyEdit>() {

            public Object call(PyEdit obj) {
                pyEditCreated.add(obj);
                return null;
            }
        };
        PyEdit.onPyEditCreated.registerListener(listener);

        try {
            goToManual(AnalysisRequestsTestWorkbench.TIME_FOR_ANALYSIS); //give it a bit more time...
            mod1Contents = "" +
                    "import pack1.pack2.module_new";
            setContentsAndWaitReparseAndError(mod1Contents);

            quickFix = new TddCodeGenerationQuickFixParticipant();
            int offset = mod1Contents.length();
            ps = new PySelection(editor.getDocument(), offset);
            assertTrue(quickFix.isValid(ps, "", editor, offset));
            assertTrue(!mod2.exists());
            waitForQuickFixProps(quickFix, ps, offset, "Create pack1.pack2.module_new module").apply(
                    editor.getISourceViewer(), '\n', 0, offset);
            assertTrue(mod2.exists());

            assertEquals(1, pyEditCreated.size());

        } finally {
            for (PyEdit edit : pyEditCreated) {
                edit.close(false);
            }
            PyEdit.onPyEditCreated.unregisterListener(listener);
            mod2.delete(true, null);
        }
    }

    private void checkCreateNewModule4() throws CoreException, BadLocationException, MisconfigurationException {
        String mod1Contents;
        TddCodeGenerationQuickFixParticipant quickFix;
        PySelection ps;
        IFile mod3 = initFile.getParent().getFile(new Path("module_new3.py"));
        final List<PyEdit> pyEditCreated = new ArrayList<PyEdit>();
        ICallbackListener<PyEdit> listener = new ICallbackListener<PyEdit>() {

            public Object call(PyEdit obj) {
                pyEditCreated.add(obj);
                return null;
            }
        };
        PyEdit.onPyEditCreated.registerListener(listener);

        try {
            goToManual(AnalysisRequestsTestWorkbench.TIME_FOR_ANALYSIS); //give it a bit more time...
            mod1Contents = "" +
                    "from pack1.pack2 import module_new3";
            setContentsAndWaitReparseAndError(mod1Contents);

            quickFix = new TddCodeGenerationQuickFixParticipant();
            int offset = mod1Contents.length();
            ps = new PySelection(editor.getDocument(), offset);
            assertTrue(quickFix.isValid(ps, "", editor, offset));
            assertTrue(!mod3.exists());
            waitForQuickFixProps(quickFix, ps, offset, "Create module_new3 module").apply(editor.getISourceViewer(),
                    '\n', 0, offset);
            assertTrue(mod3.exists());

            assertEquals(1, pyEditCreated.size());

        } finally {
            for (PyEdit edit : pyEditCreated) {
                edit.close(false);
            }
            PyEdit.onPyEditCreated.unregisterListener(listener);
            mod3.delete(true, null);
        }
    }

    private void checkCreateNewModule2() throws CoreException, BadLocationException, MisconfigurationException {
        String mod1Contents;
        TddCodeGenerationQuickFixParticipant quickFix;
        PySelection ps;
        List<ICompletionProposal> props;
        IFile mod2 = initFile.getParent().getFile(new Path("pack2a/module_new.py"));
        final List<PyEdit> pyEditCreated = new ArrayList<PyEdit>();
        ICallbackListener<PyEdit> listener = new ICallbackListener<PyEdit>() {

            public Object call(PyEdit obj) {
                pyEditCreated.add(obj);
                return null;
            }
        };
        PyEdit.onPyEditCreated.registerListener(listener);

        try {
            goToManual(AnalysisRequestsTestWorkbench.TIME_FOR_ANALYSIS); //give it a bit more time...
            mod1Contents = "" +
                    "import pack1.pack2.pack2a.module_new";
            setContentsAndWaitReparseAndError(mod1Contents);

            quickFix = new TddCodeGenerationQuickFixParticipant();
            int offset = mod1Contents.length();
            ps = new PySelection(editor.getDocument(), offset);
            assertTrue(quickFix.isValid(ps, "", editor, offset));
            props = waitForQuickFixProps(quickFix, ps, offset);

            assertTrue(!mod2.exists());
            findCompletion(props, "Create pack1.pack2.pack2a.module_new module").apply(editor.getISourceViewer(), '\n',
                    0, offset);
            assertTrue(mod2.exists());

            assertEquals(1, pyEditCreated.size());

        } finally {
            for (PyEdit edit : pyEditCreated) {
                edit.close(false);
            }
            PyEdit.onPyEditCreated.unregisterListener(listener);
            mod2.delete(true, null);
        }
    }

    private void checkCreateNewModule3() throws CoreException, BadLocationException, MisconfigurationException {
        String mod1Contents;
        TddCodeGenerationQuickFixParticipant quickFix;
        PySelection ps;
        List<ICompletionProposal> props;
        IFile mod2 = initFile.getParent().getParent().getParent().getFile(new Path("newpack/module_new.py"));
        final List<PyEdit> pyEditCreated = new ArrayList<PyEdit>();
        ICallbackListener<PyEdit> listener = new ICallbackListener<PyEdit>() {

            public Object call(PyEdit obj) {
                pyEditCreated.add(obj);
                return null;
            }
        };
        PyEdit.onPyEditCreated.registerListener(listener);

        try {
            //Create module
            goToManual(AnalysisRequestsTestWorkbench.TIME_FOR_ANALYSIS); //give it a bit more time...
            mod1Contents = "" +
                    "import newpack.module_new";
            setContentsAndWaitReparseAndError(mod1Contents);

            quickFix = new TddCodeGenerationQuickFixParticipant();
            int offset = mod1Contents.length();
            ps = new PySelection(editor.getDocument(), offset);
            assertTrue(quickFix.isValid(ps, "", editor, offset));
            props = waitForQuickFixProps(quickFix, ps, offset);

            assertTrue(!mod2.exists());
            findCompletion(props, "Create newpack.module_new module").apply(editor.getISourceViewer(), '\n', 0, offset);
            assertTrue(mod2.exists());

            assertEquals(1, pyEditCreated.size());

            PyEdit editCreated = pyEditCreated.get(0);

            //Create class at module
            mod1Contents = "" +
                    "from newpack import module_new\n" +
                    "module_new.NewClass";
            setContentsAndWaitReparseAndError(mod1Contents);

            quickFix = new TddCodeGenerationQuickFixParticipant();
            offset = mod1Contents.length();
            ps = new PySelection(editor.getDocument(), offset);
            assertTrue(quickFix.isValid(ps, "", editor, offset));
            props = waitForQuickFixProps(quickFix, ps, offset);
            findCompletion(props, "Create NewClass class at module_new.py").apply(editor.getISourceViewer(), '\n', 0,
                    offset);

            String contents = editCreated.getDocument().get();
            assertContentsEqual("" +
                    "class NewClass(object):\n" +
                    "    pass\n" +
                    "\n" +
                    "\n" +
                    "", contents);
            editCreated.getSite().getPage().saveEditor(editCreated, false);

            //Create __init__ at class.
            mod1Contents = "" +
                    "'''\n" +
                    "'''\n" +
                    "" +
                    "def bar():\n" +
                    "    from newpack import module_new\n"
                    +
                    "    module_new.NewClass(param)"; //the 'undefined param' will be the error
            setContentsAndWaitReparseAndError(mod1Contents);

            quickFix = new TddCodeGenerationQuickFixParticipant();
            offset = mod1Contents.length();
            ps = new PySelection(editor.getDocument(), offset);
            assertTrue(quickFix.isValid(ps, "", editor, offset));
            props = waitForQuickFixProps(quickFix, ps, offset);
            findCompletion(props, "Create NewClass __init__ (newpack.module_new)").apply(editor.getISourceViewer(),
                    '\n', 0, offset);

            contents = editCreated.getDocument().get();
            assertContentsEqual("" +
                    "class NewClass(object):\n" +
                    "    \n" +
                    "    \n"
                    +
                    "    def __init__(self, param):\n" +
                    "        pass\n" +
                    "    \n" +
                    "    \n" +
                    "\n" +
                    "\n" +
                    "\n"
                    +
                    "", contents);

        } finally {
            for (PyEdit edit : pyEditCreated) {
                edit.close(false);
            }
            PyEdit.onPyEditCreated.unregisterListener(listener);
            mod2.delete(true, null);
        }
    }

    private ICompletionProposalExtension2 waitForQuickFixProps(TddCodeGenerationQuickFixParticipant quickFix,
            PySelection ps, int offset, String expectedCompletion) throws MisconfigurationException,
            BadLocationException {

        long initialTime = System.currentTimeMillis();
        List<ICompletionProposal> props;
        while (true) {
            props = waitForQuickFixProps(quickFix, ps, offset);
            ICompletionProposalExtension2 completion = findCompletion(props, expectedCompletion, false);
            if (completion != null) {
                return completion;
            }
            if (System.currentTimeMillis() - initialTime > 10000) {
                break; //Give it 10 seconds to work.
            }
            goToManual(200);
        }
        // throws exception if not used.
        return findCompletion(props, expectedCompletion);

    }

    private List<ICompletionProposal> waitForQuickFixProps(TddCodeGenerationQuickFixParticipant quickFix,
            PySelection ps, int offset) throws BadLocationException, MisconfigurationException {
        for (int i = 0; i < 10; i++) {
            List<ICompletionProposal> props = quickFix.getProps(ps, PydevPlugin.getImageCache(),
                    editor.getEditorFile(), editor.getPythonNature(), editor, offset);
            if (props.size() > 0) {
                return props;
            }
            goToManual(700);
        }

        throw new AssertionError("Could not find any proposals after " + 700 * 10 / 1000 +
                " seconds.");
    }

    private void checkCreateNewModuleWithClass2() throws CoreException, BadLocationException, MisconfigurationException {
        String mod1Contents;
        TddCodeGenerationQuickFixParticipant quickFix;
        PySelection ps;
        List<ICompletionProposal> props;
        IFile mod2 = initFile.getParent().getParent().getParent().getFile(new Path("newpack2/module_new.py"));
        final List<PyEdit> pyEditCreated = new ArrayList<PyEdit>();
        ICallbackListener<PyEdit> listener = new ICallbackListener<PyEdit>() {

            public Object call(PyEdit obj) {
                pyEditCreated.add(obj);
                return null;
            }
        };
        PyEdit.onPyEditCreated.registerListener(listener);

        try {
            goToManual(AnalysisRequestsTestWorkbench.TIME_FOR_ANALYSIS); //give it a bit more time...
            mod1Contents = "" +
                    "from newpack2.module_new import Foo";
            setContentsAndWaitReparseAndError(mod1Contents);

            quickFix = new TddCodeGenerationQuickFixParticipant();
            int offset = mod1Contents.length();
            ps = new PySelection(editor.getDocument(), offset);
            assertTrue(quickFix.isValid(ps, "", editor, offset));
            props = waitForQuickFixProps(quickFix, ps, offset);

            assertTrue(!mod2.exists());
            findCompletion(props, "Create Foo class at new module newpack2.module_new").apply(
                    editor.getISourceViewer(), '\n', 0, offset);
            assertTrue("Expected: " + mod2 +
                    " to exist.", mod2.exists());

            assertEquals(1, pyEditCreated.size());

        } finally {
            for (PyEdit edit : pyEditCreated) {
                edit.close(false);
            }
            PyEdit.onPyEditCreated.unregisterListener(listener);
            mod2.delete(true, null);
        }
    }

    private void checkCreateNewModuleWithClass3() throws CoreException, BadLocationException, MisconfigurationException {
        String mod1Contents;
        TddCodeGenerationQuickFixParticipant quickFix;
        PySelection ps;
        List<ICompletionProposal> props;
        IFile mod2 = initFile.getParent().getParent().getParent().getFile(new Path("newpack2/module_new9.py"));
        final List<PyEdit> pyEditCreated = new ArrayList<PyEdit>();
        ICallbackListener<PyEdit> listener = new ICallbackListener<PyEdit>() {

            public Object call(PyEdit obj) {
                pyEditCreated.add(obj);
                return null;
            }
        };
        PyEdit.onPyEditCreated.registerListener(listener);

        try {
            goToManual(AnalysisRequestsTestWorkbench.TIME_FOR_ANALYSIS); //give it a bit more time...
            mod1Contents = "" +
                    "class Foo:\n    from newpack2.module_new9 import Foo";
            setContentsAndWaitReparseAndError(mod1Contents);

            quickFix = new TddCodeGenerationQuickFixParticipant();
            int offset = mod1Contents.length();
            ps = new PySelection(editor.getDocument(), offset);
            assertTrue(quickFix.isValid(ps, "", editor, offset));
            props = waitForQuickFixProps(quickFix, ps, offset);

            assertTrue(!mod2.exists());
            findCompletion(props, "Create Foo class at new module newpack2.module_new9").apply(
                    editor.getISourceViewer(), '\n', 0, offset);
            assertTrue("Expected: " + mod2 +
                    " to exist.", mod2.exists());

            assertEquals(1, pyEditCreated.size());

        } finally {
            for (PyEdit edit : pyEditCreated) {
                edit.close(false);
            }
            PyEdit.onPyEditCreated.unregisterListener(listener);
            mod2.delete(true, null);
        }
    }

    private void checkCreateNewModuleWithClass() throws CoreException, BadLocationException, MisconfigurationException {
        String mod1Contents;
        TddCodeGenerationQuickFixParticipant quickFix;
        PySelection ps;
        List<ICompletionProposal> props;
        IFile mod2 = initFile.getParent().getFolder(new Path("pack3")).getFile(new Path("module_new2.py"));
        final List<PyEdit> pyEditCreated = new ArrayList<PyEdit>();
        ICallbackListener<PyEdit> listener = new ICallbackListener<PyEdit>() {

            public Object call(PyEdit obj) {
                pyEditCreated.add(obj);
                return null;
            }
        };
        PyEdit.onPyEditCreated.registerListener(listener);

        try {
            goToManual(AnalysisRequestsTestWorkbench.TIME_FOR_ANALYSIS); //give it a bit more time...
            mod1Contents = "" +
                    "from pack1.pack2.pack3.module_new2 import Foo";
            setContentsAndWaitReparseAndError(mod1Contents);

            quickFix = new TddCodeGenerationQuickFixParticipant();
            int offset = mod1Contents.length();
            ps = new PySelection(editor.getDocument(), offset);
            assertTrue(quickFix.isValid(ps, "", editor, offset));
            props = waitForQuickFixProps(quickFix, ps, offset);

            assertTrue(!mod2.exists());
            findCompletion(props, "Create Foo class at new module pack1.pack2.pack3.module_new2").apply(
                    editor.getISourceViewer(), '\n', 0, offset);
            assertTrue(mod2.exists());

            assertEquals(1, pyEditCreated.size());

            assertContentsEqual("" +
                    "class Foo(object):\n" +
                    "    pass\n" +
                    "\n" +
                    "\n" +
                    "", pyEditCreated.get(0)
                    .getDocument().get());

        } finally {
            for (PyEdit edit : pyEditCreated) {
                edit.close(false);
            }
            PyEdit.onPyEditCreated.unregisterListener(listener);
            mod2.delete(true, null);
        }
    }

    private void checkCreateClass() throws CoreException, BadLocationException, MisconfigurationException {
        String mod1Contents = "Foo";
        setContentsAndWaitReparseAndError(mod1Contents);

        TddCodeGenerationQuickFixParticipant quickFix = new TddCodeGenerationQuickFixParticipant();
        PySelection ps = new PySelection(editor.getDocument(), 0);
        assertTrue(quickFix.isValid(ps, "", editor, 0));
        List<ICompletionProposal> props = quickFix.getProps(ps, PydevPlugin.getImageCache(), editor.getEditorFile(),
                editor.getPythonNature(), editor, 0);
        try {
            findCompletion(props, "Create Foo class").apply(editor.getISourceViewer(), '\n', 0, 0);
            assertContentsEqual("" +
                    "class Foo(object):\n" +
                    "    pass\n" +
                    "\n" +
                    "\n" +
                    "Foo" +
                    "", editor
                    .getDocument().get());
        } finally {
            editor.doRevertToSaved();
        }
    }

    private void checkCreateMethodAtClass() throws CoreException, BadLocationException, MisconfigurationException {
        String mod1Contents = "" +
                "print i\n" + //just to have error on reparse.
                "class Foo(object):\n" +
                "    'doc'\n" +
                "\n" +
                "foo = Foo()\n" +
                "foo.Met1()";
        setContentsAndWaitReparseAndError(mod1Contents);

        TddCodeGenerationQuickFixParticipant quickFix = new TddCodeGenerationQuickFixParticipant();
        int offset = mod1Contents.length() - 1;
        PySelection ps = new PySelection(editor.getDocument(), offset);
        assertTrue(quickFix.isValid(ps, "", editor, offset));
        List<ICompletionProposal> props = waitForQuickFixProps(quickFix, ps, offset);
        try {
            findCompletion(props, "Create Met1 method at Foo (pack1.pack2.mod1)").apply(editor.getISourceViewer(),
                    '\n', 0, offset);
            String expected = "" +
                    "print i\n" +
                    "class Foo(object):\n" +
                    "    'doc'\n" +
                    "\n" +
                    "    \n"
                    +
                    "    def Met1(self):\n" +
                    "        pass\n" +
                    "    \n" +
                    "    \n" +
                    "\n" +
                    "foo = Foo()\n"
                    +
                    "foo.Met1()";
            assertContentsEqual(expected, editor.getDocument().get());
        } finally {
            editor.doRevertToSaved();
        }
    }

    private void checkCreateFieldAtClass() throws CoreException, BadLocationException, MisconfigurationException {
        String mod1Contents = "" +
                "print i\n"
                + //just to have error on reparse.
                "class Foo(object):\n" +
                "    'doc'\n" +
                "    def existing(self):\n" +
                "        pass\n"
                +
                "foo = Foo()\n" +
                "foo.new_field";
        setContentsAndWaitReparseAndError(mod1Contents);

        TddCodeGenerationQuickFixParticipant quickFix = new TddCodeGenerationQuickFixParticipant();
        int offset = mod1Contents.length() - 1;
        PySelection ps = new PySelection(editor.getDocument(), offset);
        assertTrue(quickFix.isValid(ps, "", editor, offset));
        List<ICompletionProposal> props = waitForQuickFixProps(quickFix, ps, offset);
        try {
            findCompletion(props, "Create new_field field at Foo (pack1.pack2.mod1)").apply(editor.getISourceViewer(),
                    '\n', 0, offset);
            String expected = "" +
                    "print i\n" +
                    "class Foo(object):\n" +
                    "    'doc'\n" +
                    "\n" +
                    "    \n"
                    +
                    "    def __init__(self):\n" +
                    "        self.new_field = None\n" +
                    "    \n" +
                    "    \n"
                    +
                    "    def existing(self):\n" +
                    "        pass\n" +
                    "foo = Foo()\n" +
                    "foo.new_field";
            assertContentsEqual(expected, editor.getDocument().get());
        } finally {
            editor.doRevertToSaved();
        }
    }

    private void checkCreateFieldAtClass5() throws CoreException, BadLocationException, MisconfigurationException {
        String mod1Contents = "" +
                "print i\n" +
                "class Foo(object):\n" +
                "    'doc'\n" +
                "    def bar(self):\n"
                +
                "        self.a = 10";
        setContentsAndWaitReparseAndError(mod1Contents);

        TddCodeGenerationQuickFixParticipant quickFix = new TddCodeGenerationQuickFixParticipant();
        int offset = mod1Contents.length() - 1;
        PySelection ps = new PySelection(editor.getDocument(), offset);
        assertTrue(quickFix.isValid(ps, "", editor, offset));
        List<ICompletionProposal> props = waitForQuickFixProps(quickFix, ps, offset);
        try {
            findCompletion(props, "Create a field at Foo").apply(editor.getISourceViewer(), '\n', 0, offset);
            String expected = "" +
                    "print i\n" +
                    "class Foo(object):\n" +
                    "    'doc'\n" +
                    "\n" +
                    "    \n"
                    +
                    "    def __init__(self):\n" +
                    "        self.a = None\n" +
                    "    \n" +
                    "    \n"
                    +
                    "    def bar(self):\n" +
                    "        self.a = 10";
            assertContentsEqual(expected, editor.getDocument().get());
        } finally {
            editor.doRevertToSaved();
        }
    }

    private void checkCreateFieldAtClass3() throws CoreException, BadLocationException, MisconfigurationException {
        String mod1Contents = "" +
                "print i\n" +
                "class Foo(object):\n" +
                "    'doc'\n" +
                "    def __init__(self):\n"
                +
                "        self.a = 10\n" +
                "\n" +
                "foo = Foo()\n" +
                "foo.new_field";
        setContentsAndWaitReparseAndError(mod1Contents);

        TddCodeGenerationQuickFixParticipant quickFix = new TddCodeGenerationQuickFixParticipant();
        int offset = mod1Contents.length() - 1;
        PySelection ps = new PySelection(editor.getDocument(), offset);
        assertTrue(quickFix.isValid(ps, "", editor, offset));
        List<ICompletionProposal> props = waitForQuickFixProps(quickFix, ps, offset);
        try {
            findCompletion(props, "Create new_field field at Foo (pack1.pack2.mod1)").apply(editor.getISourceViewer(),
                    '\n', 0, offset);
            String expected = "" +
                    "print i\n" +
                    "class Foo(object):\n" +
                    "    'doc'\n" +
                    "    def __init__(self):\n"
                    +
                    "        self.a = 10\n" +
                    "        self.new_field = None\n" +
                    "\n" +
                    "foo = Foo()\n"
                    +
                    "foo.new_field";
            assertContentsEqual(expected, editor.getDocument().get());
        } finally {
            editor.doRevertToSaved();
        }
    }

    private void checkCreateFieldAtClass4() throws CoreException, BadLocationException, MisconfigurationException {
        String mod1Contents = "" +
                "print i\n" +
                "class Foo(object):\n" +
                "    def bar(self):\n"
                +
                "        self.new_field\n" +
                "    def __init__(self):\n" +
                "        self.a = 10" +
                "";

        String secondPart = "ld\n" +
                "    def __init__(self):\n" +
                "        self.a = 10" +
                "";
        setContentsAndWaitReparseAndError(mod1Contents);

        TddCodeGenerationQuickFixParticipant quickFix = new TddCodeGenerationQuickFixParticipant();
        int offset = mod1Contents.length() - secondPart.length();
        PySelection ps = new PySelection(editor.getDocument(), offset);
        assertTrue(quickFix.isValid(ps, "", editor, offset));
        List<ICompletionProposal> props = waitForQuickFixProps(quickFix, ps, offset);
        try {
            findCompletion(props, "Create new_field field at Foo").apply(editor.getISourceViewer(), '\n', 0, offset);
            String expected = "" +
                    "print i\n" +
                    "class Foo(object):\n" +
                    "    def bar(self):\n"
                    +
                    "        self.new_field\n" +
                    "    def __init__(self):\n" +
                    "        self.a = 10\n"
                    +
                    "        self.new_field = None" +
                    "";
            assertContentsEqual(expected, editor.getDocument().get());
        } finally {
            editor.doRevertToSaved();
        }
    }

    private void checkCreateConstant() throws CoreException, BadLocationException, MisconfigurationException {
        String mod1Contents = "" +
                "print i\n" +
                "class Foo(object):\n" +
                "    def bar(self):\n" +
                "        self.BAR"
                +
                "";

        setContentsAndWaitReparseAndError(mod1Contents);

        TddCodeGenerationQuickFixParticipant quickFix = new TddCodeGenerationQuickFixParticipant();
        int offset = mod1Contents.length();
        PySelection ps = new PySelection(editor.getDocument(), offset);
        assertTrue(quickFix.isValid(ps, "", editor, offset));
        List<ICompletionProposal> props = waitForQuickFixProps(quickFix, ps, offset);
        try {
            findCompletion(props, "Create BAR constant at Foo").apply(editor.getISourceViewer(), '\n', 0, offset);
            String expected = "" +
                    "print i\n" +
                    "class Foo(object):\n" +
                    "\n" +
                    "    BAR = None\n"
                    +
                    "    def bar(self):\n" +
                    "        self.BAR" +
                    "";
            assertContentsEqual(expected, editor.getDocument().get());
        } finally {
            editor.doRevertToSaved();
        }
    }

    private void checkCreateFieldAtClass2() throws CoreException, BadLocationException, MisconfigurationException {
        String mod1Contents = "" +
                "print i\n" +
                "class Foo(object):\n" +
                "    'doc'\n" +
                "    def __init__(self):\n"
                +
                "        pass\n" +
                "\n" +
                "foo = Foo()\n" +
                "foo.new_field";
        setContentsAndWaitReparseAndError(mod1Contents);

        TddCodeGenerationQuickFixParticipant quickFix = new TddCodeGenerationQuickFixParticipant();
        int offset = mod1Contents.length() - 1;
        PySelection ps = new PySelection(editor.getDocument(), offset);
        assertTrue(quickFix.isValid(ps, "", editor, offset));
        List<ICompletionProposal> props = waitForQuickFixProps(quickFix, ps, offset);
        try {
            findCompletion(props, "Create new_field field at Foo (pack1.pack2.mod1)").apply(editor.getISourceViewer(),
                    '\n', 0, offset);
            String expected = "" +
                    "print i\n" +
                    "class Foo(object):\n" +
                    "    'doc'\n" +
                    "    def __init__(self):\n"
                    +
                    "        self.new_field = None\n" + //note we changed the pass for the field!
                    "\n" +
                    "foo = Foo()\n" +
                    "foo.new_field";
            assertContentsEqual(expected, editor.getDocument().get());
        } finally {
            editor.doRevertToSaved();
        }
    }

    private void checkCreateMethodAtClass2() throws CoreException, BadLocationException, MisconfigurationException {
        String mod1Contents = "" +
                "print i\n" + //just to have error on reparse.
                "class Foo(object):\n" +
                "    'doc'\n" +
                "\n" +
                "foo = Foo()\n" +
                "foo.Met1(param1=10)";
        setContentsAndWaitReparseAndError(mod1Contents);

        TddCodeGenerationQuickFixParticipant quickFix = new TddCodeGenerationQuickFixParticipant();
        int offset = mod1Contents.length() - 1;
        PySelection ps = new PySelection(editor.getDocument(), offset);
        assertTrue(quickFix.isValid(ps, "", editor, offset));
        List<ICompletionProposal> props = waitForQuickFixProps(quickFix, ps, offset);
        try {
            findCompletion(props, "Create Met1 method at Foo (pack1.pack2.mod1)").apply(editor.getISourceViewer(),
                    '\n', 0, offset);
            String expected = "" +
                    "print i\n" +
                    "class Foo(object):\n" +
                    "    'doc'\n" +
                    "\n" +
                    "    \n"
                    +
                    "    def Met1(self, param1):\n" +
                    "        pass\n" +
                    "    \n" +
                    "    \n" +
                    "\n" +
                    "foo = Foo()\n"
                    +
                    "foo.Met1(param1=10)";
            assertContentsEqual(expected, editor.getDocument().get());
        } finally {
            editor.doRevertToSaved();
        }
    }

    private void checkCreateClassWithParams() throws CoreException, BadLocationException, MisconfigurationException {
        String mod1Contents;
        TddCodeGenerationQuickFixParticipant quickFix;
        PySelection ps;
        List<ICompletionProposal> props;
        mod1Contents = "Foo(call1(ueo), 'aa,bb', 10, cc)";
        setContentsAndWaitReparseAndError(mod1Contents);
        quickFix = new TddCodeGenerationQuickFixParticipant();
        ps = new PySelection(editor.getDocument(), 0);
        assertTrue(quickFix.isValid(ps, "", editor, 0));
        props = quickFix.getProps(ps, PydevPlugin.getImageCache(), editor.getEditorFile(), editor.getPythonNature(),
                editor, 0);
        try {
            findCompletion(props, "Create Foo class").apply(editor.getISourceViewer(), '\n', 0, 0);
            assertContentsEqual("" +
                    "class Foo(object):\n" +
                    "    \n"
                    +
                    "    def __init__(self, call_1, param1, param2, cc):\n" +
                    "        pass\n" +
                    "\n" +
                    "\n"
                    +
                    "Foo(call1(ueo), 'aa,bb', 10, cc)" +
                    "", editor.getDocument().get());
        } finally {
            editor.doRevertToSaved();
        }
    }

    private void checkCreateClassWithParams2() throws CoreException, BadLocationException, MisconfigurationException {
        String mod1Contents;
        TddCodeGenerationQuickFixParticipant quickFix;
        PySelection ps;
        List<ICompletionProposal> props;
        mod1Contents = "Foo(a=10, b=20)";
        setContentsAndWaitReparseAndError(mod1Contents);
        quickFix = new TddCodeGenerationQuickFixParticipant();
        ps = new PySelection(editor.getDocument(), 0);
        assertTrue(quickFix.isValid(ps, "", editor, 0));
        props = quickFix.getProps(ps, PydevPlugin.getImageCache(), editor.getEditorFile(), editor.getPythonNature(),
                editor, 0);
        try {
            findCompletion(props, "Create Foo class").apply(editor.getISourceViewer(), '\n', 0, 0);
            assertContentsEqual("" +
                    "class Foo(object):\n" +
                    "    \n" +
                    "    def __init__(self, a, b):\n"
                    +
                    "        pass\n" +
                    "\n" +
                    "\n" +
                    "Foo(a=10, b=20)" +
                    "", editor.getDocument().get());
        } finally {
            editor.doRevertToSaved();
        }
    }

    private void checkCreateClassInit() throws CoreException, BadLocationException, MisconfigurationException {
        baseCheckCreateClassInit("o(a=10, b=20".length());
    }

    private void checkCreateClassInit2() throws CoreException, BadLocationException, MisconfigurationException {
        baseCheckCreateClassInit(0);
    }

    private void checkCreateClassInit3() throws CoreException, BadLocationException, MisconfigurationException {
        String mod1Contents;
        TddCodeGenerationQuickFixParticipant quickFix;
        PySelection ps;
        List<ICompletionProposal> props;
        mod1Contents = "" +
                "print i\n"
                + //this is just so that we have an error (which we'll wait in the reparse -- even though we won't use it).
                "\n" +
                "class Foo:\n" +
                "    'comment'\n" +
                "    def bar(self):\n" +
                "        pass\n"
                +
                "Foo(a=10, b=20)";
        setContentsAndWaitReparseAndError(mod1Contents);
        quickFix = new TddCodeGenerationQuickFixParticipant();
        int offset = mod1Contents.length();
        ps = new PySelection(editor.getDocument(), offset);
        assertTrue(quickFix.isValid(ps, "", editor, offset));
        props = waitForQuickFixProps(quickFix, ps, offset);
        try {
            findCompletion(props, "Create Foo __init__ (pack1.pack2.mod1)").apply(editor.getISourceViewer(), '\n', 0,
                    offset);
            assertContentsEqual("" +
                    "print i\n" +
                    "\n" +
                    "class Foo:\n" +
                    "    'comment'\n" +
                    "\n" +
                    "    \n"
                    +
                    "    def __init__(self, a, b):\n" +
                    "        pass\n" +
                    "    \n" +
                    "    \n"
                    +
                    "    def bar(self):\n" +
                    "        pass\n" +
                    "Foo(a=10, b=20)" +
                    "", editor.getDocument().get());
        } finally {
            editor.doRevertToSaved();
        }
    }

    private void baseCheckCreateClassInit(int minusOffset) throws CoreException, BadLocationException,
            MisconfigurationException {
        String mod1Contents;
        TddCodeGenerationQuickFixParticipant quickFix;
        PySelection ps;
        List<ICompletionProposal> props;
        mod1Contents = "" +
                "print i\n" + //this is just so that we have an error (which we'll wait in the reparse -- even though we won't use it).
                "\n" +
                "class Foo:\n" +
                "    'comment'\n" +
                "\n" +
                "Foo(a=10, b=20)";
        setContentsAndWaitReparseAndError(mod1Contents);
        quickFix = new TddCodeGenerationQuickFixParticipant();
        int offset = mod1Contents.length() - minusOffset;
        ps = new PySelection(editor.getDocument(), offset);
        assertTrue(quickFix.isValid(ps, "", editor, offset));
        props = waitForQuickFixProps(quickFix, ps, offset);
        try {
            findCompletion(props, "Create Foo __init__ (pack1.pack2.mod1)").apply(editor.getISourceViewer(), '\n', 0,
                    offset);
            assertContentsEqual("" +
                    "print i\n" +
                    "\n" +
                    "class Foo:\n" +
                    "    'comment'\n" +
                    "\n" +
                    "    \n"
                    +
                    "    def __init__(self, a, b):\n" +
                    "        pass\n" +
                    "    \n" +
                    "    \n" +
                    "\n"
                    +
                    "Foo(a=10, b=20)" +
                    "", editor.getDocument().get());
        } finally {
            editor.doRevertToSaved();
        }
    }

    private void checkCreateClassAtOtherModule() throws CoreException, BadLocationException, MisconfigurationException {
        String mod1Contents;
        TddCodeGenerationQuickFixParticipant quickFix;
        PySelection ps;
        List<ICompletionProposal> props;
        IFile mod2 = initFile.getParent().getFile(new Path("other_module.py"));
        mod2.create(new ByteArrayInputStream("".getBytes()), true, null);
        PyEdit editor2 = (PyEdit) PyOpenEditor.doOpenEditor(mod2);
        try {
            goToManual(AnalysisRequestsTestWorkbench.TIME_FOR_ANALYSIS); //give it a bit more time...
            mod1Contents = "" +
                    "import other_module\n" +
                    "other_module.Foo";
            setContentsAndWaitReparseAndError(mod1Contents);

            quickFix = new TddCodeGenerationQuickFixParticipant();
            int offset = mod1Contents.length() - 1;
            ps = new PySelection(editor.getDocument(), offset);
            assertTrue(quickFix.isValid(ps, "", editor, offset));
            props = waitForQuickFixProps(quickFix, ps, offset);

            findCompletion(props, "Create Foo class at other_module.py").apply(editor.getISourceViewer(), '\n', 0,
                    offset);
            assertContentsEqual("" +
                    "class Foo(object):\n" +
                    "    pass\n" +
                    "\n" +
                    "\n" +
                    "", editor2.getDocument()
                    .get());

        } finally {
            editor2.close(false);
            mod2.delete(true, null);
        }
    }

    private ICompletionProposalExtension2 findCompletion(List<ICompletionProposal> props, String expectedCompletion) {
        return findCompletion(props, expectedCompletion, true);
    }

    private ICompletionProposalExtension2 findCompletion(List<ICompletionProposal> props, String expectedCompletion,
            boolean throwException) {
        List<String> buf = new ArrayList<String>(1 + (2 * props.size()));
        buf.add("Available:");
        for (ICompletionProposal iCompletionProposal : props) {
            if (iCompletionProposal.getDisplayString().equals(expectedCompletion)) {
                ICompletionProposalExtension2 p = (ICompletionProposalExtension2) iCompletionProposal;
                return p;
            }
            buf.add("\n");
            buf.add(iCompletionProposal.getDisplayString());
        }
        if (throwException) {
            throw new AssertionError("Could not find completion: " + expectedCompletion +
                    "\n"
                    + com.aptana.shared_core.string.StringUtils.join("\n", buf));
        }
        return null;
    }

    private void setContentsAndWaitReparseAndError(String mod1Contents) throws CoreException {
        setContentsAndWaitReparseAndError(mod1Contents, true);
    }

    private void setContentsAndWaitReparseAndError(String mod1Contents, boolean waitForError) throws CoreException {
        setFileContents(mod1Contents);

        parser = editor.getParser();
        parser.addParseListener(this);

        ICallback<Boolean, Object> parseHappenedCondition = getParseHappenedCondition();

        while (!parser.forceReparse(new Tuple<String, Boolean>(AnalysisParserObserver.ANALYSIS_PARSER_OBSERVER_FORCE,
                true))) {
            goToManual(50);
        }
        goToIdleLoopUntilCondition(parseHappenedCondition);

        if (waitForError) {
            goToIdleLoopUntilCondition(getHasBothErrorMarkersCondition(editor.getIFile()));
        }
        goToManual(500);
    }

    private void assertContentsEqual(String expected, String generated) {
        assertEquals(StringUtils.replaceNewLines(expected, "\n"), StringUtils.replaceNewLines(generated, "\n"));
    }

    public void parserChanged(ISimpleNode root, IAdaptable file, IDocument doc) {
        parser.removeParseListener(this);
        this.parserNotified += 1;
    }

    public void parserError(Throwable error, IAdaptable file, IDocument doc) {
        parser.removeParseListener(this);
        this.parserNotified += 1;
    }

    private ICallback<Boolean, Object> getParseHappenedCondition() {
        final int currentNotified = this.parserNotified;
        return new ICallback<Boolean, Object>() {

            public Boolean call(Object arg) {
                return parserNotified > currentNotified;
            }
        };
    }

    /**
     * Callback that'll check if there are error markers in the mod1.py resource
     */
    private ICallback<Boolean, Object> getHasBothErrorMarkersCondition(final IFile file) {
        return new ICallback<Boolean, Object>() {

            public Boolean call(Object arg) {
                try {
                    //must have both problems: syntax and analysis error!!
                    IMarker[] markers = file.findMarkers(AnalysisRunner.PYDEV_ANALYSIS_PROBLEM_MARKER, false,
                            IResource.DEPTH_ZERO);
                    return markers.length > 0;
                } catch (CoreException e) {
                    throw new RuntimeException(e);
                }
            }
        };
    }

}
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