org.eclipse.jdt.ui.tests.refactoring/test cases/org/eclipse/jdt/ui/tests/refactoring/RenamePrivateMethodTests.java

/*******************************************************************************
 * Copyright (c) 2000, 2020 IBM Corporation and others.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.jdt.ui.tests.refactoring;

import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;

import org.junit.Test;

import org.eclipse.core.runtime.NullProgressMonitor;

import org.eclipse.ltk.core.refactoring.RefactoringCore;
import org.eclipse.ltk.core.refactoring.RefactoringStatus;
import org.eclipse.ltk.core.refactoring.participants.RenameArguments;
import org.eclipse.ltk.core.refactoring.participants.RenameRefactoring;

import org.eclipse.jdt.core.ICompilationUnit;
import org.eclipse.jdt.core.IMethod;
import org.eclipse.jdt.core.IType;

import org.eclipse.jdt.internal.corext.refactoring.rename.RenameMethodProcessor;
import org.eclipse.jdt.internal.corext.refactoring.rename.RenameNonVirtualMethodProcessor;

import org.eclipse.jdt.ui.tests.refactoring.rules.RefactoringTestSetup;

public class RenamePrivateMethodTests extends GenericRefactoringTest {
	private static final String REFACTORING_PATH= "RenamePrivateMethod/";

	public RenamePrivateMethodTests() {
		rts= new RefactoringTestSetup();
	}

	@Override
	protected String getRefactoringPath() {
		return REFACTORING_PATH;
	}

	private void helper1_0(String methodName, String newMethodName, String[] signatures) throws Exception{
		IType classA= getType(createCUfromTestFile(getPackageP(), "A"), "A");
		RenameMethodProcessor processor= new RenameNonVirtualMethodProcessor(classA.getMethod(methodName, signatures));
		RenameRefactoring refactoring= new RenameRefactoring(processor);
		processor.setNewElementName(newMethodName);
		RefactoringStatus result= performRefactoring(refactoring);
		assertNotNull("precondition was supposed to fail", result);
	}

	private void helper1() throws Exception{
		helper1_0("m", "k", new String[0]);
	}

	private void helper2_0(String methodName, String newMethodName, String[] signatures, boolean updateReferences, boolean createDelegate) throws Exception{
		ParticipantTesting.reset();
		ICompilationUnit cu= createCUfromTestFile(getPackageP(), "A");
		IType classA= getType(cu, "A");
		IMethod method= classA.getMethod(methodName, signatures);
		String[] handles= ParticipantTesting.createHandles(method);
		RenameMethodProcessor processor= new RenameNonVirtualMethodProcessor(method);
		RenameRefactoring refactoring= new RenameRefactoring(processor);
		processor.setUpdateReferences(updateReferences);
		processor.setNewElementName(newMethodName);
		processor.setDelegateUpdating(createDelegate);
		assertNull("was supposed to pass", performRefactoring(refactoring));
		assertEqualLines("invalid renaming", getFileContents(getOutputTestFileName("A")), cu.getSource());

		ParticipantTesting.testRename(
			handles,
			new RenameArguments[] {
				new RenameArguments(newMethodName, updateReferences)});

		assertTrue("anythingToUndo", RefactoringCore.getUndoManager().anythingToUndo());
		assertFalse("! anythingToRedo", RefactoringCore.getUndoManager().anythingToRedo());
		//assertEquals("1 to undo", 1, Refactoring.getUndoManager().getRefactoringLog().size());

		RefactoringCore.getUndoManager().performUndo(null, new NullProgressMonitor());
		assertEqualLines("invalid undo", getFileContents(getInputTestFileName("A")), cu.getSource());

		assertFalse("! anythingToUndo", RefactoringCore.getUndoManager().anythingToUndo());
		assertTrue("anythingToRedo", RefactoringCore.getUndoManager().anythingToRedo());
		//assertEquals("1 to redo", 1, Refactoring.getUndoManager().getRedoStack().size());

		RefactoringCore.getUndoManager().performRedo(null, new NullProgressMonitor());
		assertEqualLines("invalid redo", getFileContents(getOutputTestFileName("A")), cu.getSource());
	}

	private void helper2_0(String methodName, String newMethodName, String[] signatures) throws Exception{
		helper2_0(methodName, newMethodName, signatures, true, false);
	}

	private void helper2(boolean updateReferences) throws Exception{
		helper2_0("m", "k", new String[0], updateReferences, false);
	}

	private void helper2() throws Exception{
		helper2(true);
	}

	private void helperDelegate() throws Exception{
		helper2_0("m", "k", new String[0], true, true);
	}

	@Test
	public void testFail0() throws Exception{
		helper1();
	}

	@Test
	public void testFail1() throws Exception{
		helper1();
	}

	@Test
	public void testFail2() throws Exception{
		helper1();
	}

	@Test
	public void testFail5() throws Exception{
		helper1();
	}

	@Test
	public void test0() throws Exception{
		helper2();
	}

	@Test
	public void test10() throws Exception{
		helper2();
	}

	@Test
	public void test11() throws Exception{
		helper2();
	}

	@Test
	public void test12() throws Exception{
		helper2();
	}

	@Test
	public void test13() throws Exception{
		helper2();
	}

	@Test
	public void test14() throws Exception{
		helper2();
	}

	@Test
	public void test15() throws Exception{
		helper2_0("m", "k", new String[]{"I"});
	}

	@Test
	public void test16() throws Exception{
		helper2_0("m", "fred", new String[]{"I"});
	}

	@Test
	public void test17() throws Exception{
		helper2_0("m", "kk", new String[]{"I"});
	}

	@Test
	public void test18() throws Exception{
		ICompilationUnit cu= createCUfromTestFile(getPackageP(), "A");
		ICompilationUnit cuC= createCUfromTestFile(getPackageP(), "C");

		IType classB= getType(cu, "B");
		RenameMethodProcessor processor= new RenameNonVirtualMethodProcessor(classB.getMethod("m", new String[]{"I"}));
		RenameRefactoring refactoring= new RenameRefactoring(processor);
		processor.setNewElementName("kk");

		assertNull("was supposed to pass", performRefactoring(refactoring));
		assertEqualLines("invalid renaming A", getFileContents(getOutputTestFileName("A")), cu.getSource());
		assertEqualLines("invalid renaming C", getFileContents(getOutputTestFileName("C")), cuC.getSource());

	}

	@Test
	public void test2() throws Exception{
		helper2_0("m", "fred", new String[0]);
	}

	@Test
	public void test20() throws Exception{
		helper2_0("m", "fred", new String[]{"I"});
	}

	@Test
	public void test23() throws Exception{
		helper2_0("m", "k", new String[0]);
	}

	@Test
	public void test24() throws Exception{
		helper2_0("m", "k", new String[]{"QString;"});
	}

	@Test
	public void test25() throws Exception{
		helper2_0("m", "k", new String[]{"[QString;"});
	}

	@Test
	public void test26() throws Exception{
		helper2_0("m", "k", new String[0]);
	}

	@Test
	public void test27() throws Exception{
		helper2_0("m", "k", new String[0], false, false);
	}

	@Test
	public void testAnon0() throws Exception{
		helper2();
	}

	@Test
	public void testDelegate01() throws Exception  {
		// simple static delegate
		helperDelegate();
	}
}