SnapshotSelectorComboModelTest.java

/*
 * Copyright (C) 2010 Brockmann Consult GmbH (info@brockmann-consult.de)
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation; either version 3 of the License, or (at your option)
 * any later version.
 * This program 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 General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, see http://www.gnu.org/licenses/
 */
package org.esa.beam.smos.visat.swing;

import org.esa.beam.dataio.smos.SnapshotInfo;
import org.junit.Before;
import org.junit.Test;

import java.awt.geom.Rectangle2D;
import java.util.Arrays;
import java.util.Collections;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotSame;

public class SnapshotSelectorComboModelTest {

    private SnapshotSelectorComboModel selectorComboModel;

    @Before
    public void before() throws Exception {
        selectorComboModel = createSnapshotSelectorComboModel();
    }

    @Test
    public void testInitialState() {
        assertEquals(3, selectorComboModel.getSize());
        assertEquals("Any", selectorComboModel.getSelectedItem());
    }

    @Test
    public void testModeSelection() {
        final SnapshotSelectorModel modelA = selectorComboModel.getSelectedModel();
        selectorComboModel.setSelectedItem("X");
        final SnapshotSelectorModel modelX = selectorComboModel.getSelectedModel();
        selectorComboModel.setSelectedItem("Y");
        final SnapshotSelectorModel modelY = selectorComboModel.getSelectedModel();

        assertNotSame(modelA, modelX);
        assertNotSame(modelA, modelY);
        assertNotSame(modelX, modelY);
    }

    @Test
    public void testSnapshotIdIsPreservedIfPossible() {
        final SnapshotSelectorModel modelA = selectorComboModel.getSelectedModel();
        modelA.setSnapshotId(3);

        // snapshot ID can be preserved
        selectorComboModel.setSelectedItem("X");
        final SnapshotSelectorModel modelX = selectorComboModel.getSelectedModel();
        assertEquals(3, modelX.getSnapshotId());

        // snapshot ID cannot be preserved
        selectorComboModel.setSelectedItem("Y");
        final SnapshotSelectorModel modelY = selectorComboModel.getSelectedModel();
        assertEquals(2, modelY.getSnapshotId());

        // snapshot ID can be preserved
        selectorComboModel.setSelectedItem("Any");
        assertEquals(2, modelA.getSnapshotId());
    }

    static SnapshotSelectorComboModel createSnapshotSelectorComboModel() {
        return new SnapshotSelectorComboModel(new SnapshotInfo(
                Collections.<Long, Integer>emptyMap(),
                Arrays.asList(1L, 2L, 3L, 4L, 5L, 6L, 7L, 8L),
                Arrays.asList(1L, 3L, 5L, 7L),
                Arrays.asList(2L, 4L, 6L, 8L),
                Arrays.<Long>asList(),
                Collections.<Long, Rectangle2D>emptyMap()));
    }
}