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package org.apache.tuscany.sca.layout;
import junit.framework.Assert;
import org.apache.tuscany.sca.impl.layout.ComponentEntity;
import org.apache.tuscany.sca.impl.layout.CompositeEntity;
import org.apache.tuscany.sca.impl.layout.Entity;
import org.apache.tuscany.sca.impl.layout.LayoutBuilder;
import org.junit.Before;
import org.junit.Test;
public class LayoutBuilderTest {
LayoutBuilder lb;
Entity[] ents;
Entity parent;
int[][] conns;
@Before
public void setUp() throws Exception {
parent = new CompositeEntity("composite");
parent.setX(200);
parent.setY(100);
ents = new Entity[5];
for (int i = 0; i < ents.length; i++) {
ents[i] = new ComponentEntity();
ents[i].setId(i);
ents[i].setParent(parent);
}
}
@Test
public void testPlaceEntities() throws Exception {
//setUp();
Assert.assertEquals(5, ents.length);
Assert.assertEquals(200, ents[0].getStartPosition());
conns = new int[5][5];
for (int i = 0; i < conns.length; i++) {
for (int j = 0; j < conns.length; j++) {
//int x = Math.getExponent(Math.random());
if (i == j - 1)
conns[i][j] = 1;
else
conns[i][j] = 0;
}
}
lb = new LayoutBuilder(ents, conns);
ents = lb.placeEntities();
Assert.assertEquals(5, ents.length);
Assert.assertEquals(0, lb.getStartEnt().getId());
Assert.assertEquals(0, ents[0].getLevel());
Assert.assertEquals(0, ents[1].getLevel());
Assert.assertEquals(0, ents[2].getLevel());
Assert.assertEquals(0, ents[3].getLevel());
Assert.assertEquals(0, ents[4].getLevel());
Assert.assertEquals(0, ents[0].getLane());
Assert.assertEquals(1, ents[1].getLane());
Assert.assertEquals(2, ents[2].getLane());
Assert.assertEquals(3, ents[3].getLane());
Assert.assertEquals(4, ents[4].getLane());
}
@Test
public void testPlaceEntities1() throws Exception {
conns = new int[5][5];
for (int i = 0; i < conns.length; i++) {
for (int j = 0; j < conns.length; j++) {
//int x = Math.getExponent(Math.random());
if (i == j - 1 || i == j - 4)
conns[i][j] = 1;
else
conns[i][j] = 0;
}
}
conns[3][4] = 0;
lb = new LayoutBuilder(ents, conns);
ents = lb.placeEntities();
Assert.assertEquals(5, ents.length);
Assert.assertEquals(0, lb.getStartEnt().getId());
Assert.assertEquals(0, ents[0].getLevel());
Assert.assertEquals(0, ents[1].getLevel());
Assert.assertEquals(0, ents[2].getLevel());
Assert.assertEquals(0, ents[3].getLevel());
Assert.assertEquals(1, ents[4].getLevel());
Assert.assertEquals(0, ents[0].getLane());
Assert.assertEquals(1, ents[1].getLane());
Assert.assertEquals(2, ents[2].getLane());
Assert.assertEquals(3, ents[3].getLane());
Assert.assertEquals(1, ents[4].getLane());
}
@Test
public void testPlaceEntities2() throws Exception {
conns = new int[5][5];
for (int i = 0; i < conns.length; i++) {
for (int j = 0; j < conns.length; j++) {
if (i * j > 2 && i * j <= 6)
conns[i][j] = 1;
else
conns[i][j] = 0;
}
}
lb = new LayoutBuilder(ents, conns);
ents = lb.placeEntities();
Assert.assertEquals(5, ents.length);
Assert.assertEquals(1, lb.getStartEnt().getId());
Assert.assertEquals(1, ents[0].getLevel());
Assert.assertEquals(0, ents[1].getLevel());
Assert.assertEquals(0, ents[2].getLevel());
Assert.assertEquals(0, ents[3].getLevel());
Assert.assertEquals(1, ents[4].getLevel());
Assert.assertEquals(0, ents[0].getLane());
Assert.assertEquals(0, ents[1].getLane());
Assert.assertEquals(2, ents[2].getLane());
Assert.assertEquals(1, ents[3].getLane());
Assert.assertEquals(1, ents[4].getLane());
}
}
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