Subversion Repositories SmartDukaan

package com.spice.profitmandi.service.transaction;

import com.spice.profitmandi.model.WarehouseItemQtyModel;

import org.junit.Test;

import java.util.ArrayList;

import java.util.Arrays;

import java.util.HashSet;

import java.util.List;

import java.util.Set;

import static org.junit.Assert.assertEquals;

import static org.junit.Assert.assertFalse;

/**

 * A row reserved beyond its stock - a Dummy holding an open order - must give nothing. It used to take a negative

 * quantity and so raise what was still to be fulfilled, parking one extra unit on the Dummy per unit it was short.

 */

public class GetItemQtyTest {

    private static final int ITEM = 40827;

    private static final int JAIPUR = 8947;

    private static final int NSSPL_RJ = 10822;

    private static final int JAIPUR_DUMMY = 11699;

    /** The movement of 24 Sep 14:39: 8 asked, 6 free on NSSPL-RJ, Dummy at -1 from an order left open on 16 Sep. */

    @Test

    public void negativeRowLeavesTheShortfallAsIs() {

        WarehouseItemQtyModel rj = new WarehouseItemQtyModel(ITEM, JAIPUR, NSSPL_RJ, 8, 2, 6);

        WarehouseItemQtyModel dummy = new WarehouseItemQtyModel(ITEM, JAIPUR, JAIPUR_DUMMY, 0, 1, -1);

        Set<WarehouseItemQtyModel> taken = new HashSet<>();

        int shortfall = TransactionServiceImpl.getItemQty(8, taken, rows(dummy, rj), 6);

        assertEquals(2, shortfall);

        assertEquals(6, rj.getFulfillQty());

        assertEquals(0, dummy.getFulfillQty());

        assertFalse(taken.contains(dummy));

    }

    @Test

    public void enoughFreeStockNeverReachesTheNegativeRow() {

        WarehouseItemQtyModel rj = new WarehouseItemQtyModel(ITEM, JAIPUR, NSSPL_RJ, 8, 0, 8);

        WarehouseItemQtyModel dummy = new WarehouseItemQtyModel(ITEM, JAIPUR, JAIPUR_DUMMY, 0, 1, -1);

        Set<WarehouseItemQtyModel> taken = new HashSet<>();

        assertEquals(0, TransactionServiceImpl.getItemQty(8, taken, rows(rj, dummy), 8));

        assertEquals(8, rj.getFulfillQty());

        assertEquals(0, dummy.getFulfillQty());

    }

    @Test

    public void freeStockSpreadOverTwoRows() {

        WarehouseItemQtyModel a = new WarehouseItemQtyModel(ITEM, JAIPUR, NSSPL_RJ, 3, 0, 3);

        WarehouseItemQtyModel b = new WarehouseItemQtyModel(ITEM, JAIPUR, 10823, 2, 0, 2);

        WarehouseItemQtyModel dummy = new WarehouseItemQtyModel(ITEM, JAIPUR, JAIPUR_DUMMY, 0, 2, -2);

        Set<WarehouseItemQtyModel> taken = new HashSet<>();

        assertEquals(1, TransactionServiceImpl.getItemQty(6, taken, rows(dummy, b, a), 5));

        assertEquals(3, a.getFulfillQty());

        assertEquals(2, b.getFulfillQty());

        assertEquals(0, dummy.getFulfillQty());

    }

    private static List<WarehouseItemQtyModel> rows(WarehouseItemQtyModel... models) {

        return new ArrayList<>(Arrays.asList(models));

    }

}