BidirectionalTest.java

package eu.ggnet.dwoss.stock.entity;


import org.junit.Test;

import static org.junit.Assert.*;

public class BidirectionalTest {

    @Test
    public void testUnitToStockAndTransaction() {
        Stock s0 = new Stock(0);
        Stock s1 = new Stock(1);

        StockUnit su0 = new StockUnit(0);
        StockUnit su1 = new StockUnit(1);

        s0.addUnit(su0);
        assertEquals(1, s0.getUnits().size());
        assertTrue(su0.isInStock());
        assertFalse(su0.isInTransaction());
        assertEquals(s0, su0.getStock());

        su0.setStock(s1);

        assertTrue(s0.getUnits().isEmpty());
        assertEquals(1, s1.getUnits().size());
        assertTrue(su0.isInStock());
        assertFalse(su0.isInTransaction());
        assertEquals(s1, su0.getStock());

        StockTransaction t1 = new StockTransaction();
        t1.addPosition(new StockTransactionPosition(su0));
        t1.addPosition(new StockTransactionPosition(su1));

        // su0 should be invalid du to sock and transaction
        assertNotNull(su0.getValidationViolations());
        assertNull(su1.getValidationViolations());

        s1.removeUnit(su0);

        assertTrue(s0.getUnits().isEmpty());
        assertTrue(s1.getUnits().isEmpty());
        assertEquals(2, t1.getPositions().size());
        assertFalse(su0.isInStock());
        assertTrue(su0.isInTransaction());
    }

    @Test
    public void testStockAndLocation() {

        Stock s0 = new Stock(0);
        StockLocation s0l0 = new StockLocation("Bla Bla");
        StockLocation s0l1 = new StockLocation("Bla Bla");
        s0.addStockLocation(s0l0);
        s0.addStockLocation(s0l1);

        assertEquals(2, s0.getStockLocations().size());
        s0l1.setStock(null);
        assertEquals(1, s0.getStockLocations().size());
        s0l1.setStock(s0);

        StockUnit su = new StockUnit(0);
        su.setStockLocation(s0l0);
        assertEquals(s0l1, su.getStockLocation());
        assertEquals(s0, su.getStock());

        su.setStock(null);

        assertNull(su.getStockLocation());
        assertNull(su.getStock());

    }

    @Test
    public void testStockAndPosition() {
    }

}