/*
 * Created on 02 feb 2017
 * Copyright 2015 by Andrea Vacondio (andrea.vacondio@gmail.com).
 * This file is part of Sejda.
 *
 * Sejda is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Sejda is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with Sejda.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.sejda.core.writer.imageio;

import static org.junit.Assert.assertTrue;
import static org.mockito.Mockito.mock;

import java.awt.image.RenderedImage;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;

import javax.imageio.ImageIO;

import org.junit.Before;
import org.junit.Test;
import org.sejda.model.exception.TaskIOException;
import org.sejda.model.image.ImageColorType;
import org.sejda.model.parameter.image.PdfToSingleTiffParameters;

/**
 * @author Andrea Vacondio
 *
 */
public class TiffMultiImageWriterTest {
    private TiffMultiImageWriter victim;

    @Before
    public void setUp() {
        victim = new TiffMultiImageWriter();
    }

    @Test(expected = TaskIOException.class)
    public void writeNotOpened() throws TaskIOException {
        PdfToSingleTiffParameters params = mock(PdfToSingleTiffParameters.class);
        RenderedImage image = mock(RenderedImage.class);
        victim.write(image, params);
    }

    @Test
    public void supportMultiImage() {
        assertTrue(victim.supportMultiImage());
    }

    @Test
    public void write() throws IOException, TaskIOException {
        InputStream stream = getClass().getClassLoader().getResourceAsStream("image/test.tiff");
        File destination = File.createTempFile("test", ".tmp");
        destination.deleteOnExit();
        PdfToSingleTiffParameters params = new PdfToSingleTiffParameters(ImageColorType.GRAY_SCALE);
        RenderedImage image = ImageIO.read(stream);
        victim.openDestination(destination, params);
        victim.write(image, params);
        victim.closeDestination();
        victim.close();
        RenderedImage result = ImageIO.read(destination);
        assertTrue(result.getHeight() > 0);
        assertTrue(result.getWidth() > 0);
    }
}