eclipse/plugins/com.android.ide.eclipse.tests/src/com/android/ide/eclipse/adt/internal/editors/layout/refactoring/ChangeViewRefactoringTest.java

/*
 * 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 static com.android.SdkConstants.FQCN_RADIO_BUTTON;

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

import java.util.List;

public class ChangeViewRefactoringTest extends RefactoringTest {

    public void testChangeView1() throws Exception {
        checkRefactoring("sample1a.xml", FQCN_RADIO_BUTTON, "@+id/button1", "@+id/button6");
    }

    public void testChangeView2() throws Exception {
        // Tests (1) updating references to the renamed id of the changed widgets
        // (e.g. button3 is renamed to imageButton1 and layout references to button3
        // must be updated), and (2) removal of attributes not available in the new type
        // (the text property is removed since it is not available on the new widget
        // type ImageButton)
        checkRefactoring("sample2.xml", "android.widget.ImageButton",
                "@+id/button3", "@+id/button5");
    }

    private void checkRefactoring(String basename, String newType,
            String... ids) throws Exception {
        assertTrue(ids.length > 0);

        IFile file = getLayoutFile(getProject(), basename);
        TestContext info = setupTestContext(file, basename);
        TestLayoutEditorDelegate layoutEditor = info.mLayoutEditorDelegate;
        List<Element> selectedElements = getElements(info.mElement, ids);

        ChangeViewRefactoring refactoring = new ChangeViewRefactoring(selectedElements,
                layoutEditor);
        refactoring.setType(newType);

        List<Change> changes = refactoring.computeChanges(new NullProgressMonitor());
        checkEdits(basename, changes);
    }
}