/*
 * Copyright (C) 2011 The Android Open Source Project
 *
 * Licensed under the Eclipse Public License, Version 1.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.eclipse.org/org/documents/epl-v10.php
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.android.ide.eclipse.adt.internal.editors.layout.refactoring;

import org.eclipse.core.resources.IFile;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.ltk.core.refactoring.Change;
import org.eclipse.ltk.core.refactoring.RefactoringStatus;
import org.w3c.dom.Element;

import java.util.List;

public class UnwrapRefactoringTest extends RefactoringTest {

    public void testUnwrap1() throws Exception {
        // Unwrap view with parent, no children - this will unwrap the parent (frame layout)
        checkRefactoring("unwrap.xml", "@+id/button");
    }

    public void testUnwrap2() throws Exception {
        // Unwrap view with parent and children; this should unwrap the element itself
        checkRefactoring("unwrap.xml", "@+id/frame");
    }

    public void testUnwrap3() throws Exception {
        // Unwrap root: should transfer namespace
        checkRefactoring("unwrap.xml", "@+id/linear");
    }

    private void checkRefactoring(String basename, String id) throws Exception {
        IFile file = getLayoutFile(getProject(), basename);
        TestContext info = setupTestContext(file, basename);
        TestLayoutEditorDelegate layoutEditor = info.mLayoutEditorDelegate;
        List<Element> selectedElements = getElements(info.mElement, id);
        assertEquals(1, selectedElements.size());

        UnwrapRefactoring refactoring = new UnwrapRefactoring(selectedElements,
                layoutEditor);

        RefactoringStatus status = refactoring.checkInitialConditions(new NullProgressMonitor());
        assertFalse(status.hasError());
        List<Change> changes = refactoring.computeChanges(new NullProgressMonitor());
        checkEdits(basename, changes);
    }
}