/**
 * Copyright 2011-2015 John Ericksen
 *
 * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
 *
 * 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 org.androidtransfuse.model.manifest;

import org.androidtransfuse.bootstrap.Bootstrap;
import org.androidtransfuse.bootstrap.Bootstraps;
import org.androidtransfuse.util.ManifestSerializer;
import org.apache.commons.io.IOUtils;
import org.custommonkey.xmlunit.Diff;
import org.junit.Before;
import org.junit.Test;
import org.xml.sax.SAXException;

import javax.inject.Inject;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;

import static org.custommonkey.xmlunit.XMLAssert.assertXMLEqual;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;

/**
 * @author John Ericksen
 */
@Bootstrap
public class ManifestTest {

    @Inject
    private ManifestSerializer manifestSerializer;

    @Before
    public void setUp() {
        Bootstraps.inject(this);
    }

    @Test
    public void testManifestParsingAndWriting() throws SAXException {
        try {

            InputStream manifestStream = this.getClass().getClassLoader().getResourceAsStream("AndroidManifest.xml");
            String inputManifestString = IOUtils.toString(manifestStream);
            Manifest manifest = manifestSerializer.readManifest(new ByteArrayInputStream(inputManifestString.getBytes()));

            assertNotNull(manifest);
            assertEquals("android.permission.VIBRATE", manifest.getUsesPermissions().get(0).getName());

            //additional elements are preserved
            assertEquals(1, manifest.getApplications().get(0).getElements().size());

            ByteArrayOutputStream outputStream = new ByteArrayOutputStream();

            manifestSerializer.writeManifest(manifest, outputStream);

            String outputManifestString = IOUtils.toString(new ByteArrayInputStream(outputStream.toByteArray()));

            Diff diff = new Diff(inputManifestString, outputManifestString);

            assertXMLEqual("comparing test xml to control xml", diff, true);

        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}