TestAxisAttrCombiner.java

package ucar.nc2.dods;

import junit.framework.TestCase;

import org.junit.Test;

import ucar.nc2.Attribute;
import ucar.nc2.constants._Coordinate;

import static ucar.nc2.dods.DODSNetcdfFile.combineAxesAttrs;

public class TestAxisAttrCombiner extends TestCase {

    @Test
    public void testAxisAttrCombineSame() {
        Attribute attr1 = new Attribute(_Coordinate.Axes, "abe bec cid dave");
        Attribute attr2 = new Attribute(_Coordinate.Axes, "abe bec cid dave");
        Attribute attr3 = combineAxesAttrs(attr1, attr2);

        assertEquals(attr3.getStringValue(), (attr1.getStringValue()));
        assertEquals(attr3.getStringValue(), attr2.getStringValue());
    }

    @Test
    public void testAxisAttrCombineDiff() {
        Attribute attr1 = new Attribute(_Coordinate.Axes, "abe bec cid dave");
        Attribute attr2 = new Attribute(_Coordinate.Axes, "ed fin gabe hedi");
        Attribute attr3 = combineAxesAttrs(attr1, attr2);

        assertTrue(attr3.getStringValue().contains(attr1.getStringValue()));
        assertTrue(attr3.getStringValue().contains(attr2.getStringValue()));
    }

    @Test
    public void testAxisAttrCombineOverlap() {
        Attribute attr1 = new Attribute(_Coordinate.Axes, "abe bec cid dave");
        Attribute attr2 = new Attribute(_Coordinate.Axes, "cid dave ed fin");
        Attribute attr3 = combineAxesAttrs(attr1, attr2);

        assertTrue(attr3.getStringValue().contains(attr1.getStringValue()));
        assertTrue(attr3.getStringValue().contains(attr2.getStringValue()));

        assertEquals(attr3.getStringValue().split("\\s").length, 6);
    }

    public void testAxisAttrCombineOverlapMangled() {
        Attribute attr1 = new Attribute(_Coordinate.Axes, " abe bec     cid dave    ");
        Attribute attr2 = new Attribute(_Coordinate.Axes, "cid   dave ed   fin");
        Attribute attr3 = combineAxesAttrs(attr1, attr2);

        // these will fail, because whitespace is all messed up in the attribute values
        assertFalse(attr3.getStringValue().contains(attr1.getStringValue()));
        assertFalse(attr3.getStringValue().contains(attr2.getStringValue()));

        assertEquals(attr3.getStringValue().split("\\s").length, 6);
    }
}