poui/src/tests/PartialOrder/PartialOrderMove.test.js

A React component for designating partial orders

import PartialOrder from '../../PartialOrder';

describe('PartialOrder moveItem', () => {
  const testOrder = ['T','L',['M','P'],'A',['C','R','Z']];

  it('returns given order when key to be moved not found', () => {
    const order = PartialOrder.moveItem(testOrder, 'X', 'A', true);
    expect(order).toEqual(testOrder);
  });

  it('returns given order when new lacation key is not found', () => {
    const order = PartialOrder.moveItem(testOrder, 'A', 'X', true);
    expect(order).toEqual(testOrder);
  });

  it('moves item before another', () => {
    const order = PartialOrder.moveItem(testOrder, 'T', 'A', true);
    expect(order).toEqual(['L',['M','P'],'T','A',['C','R','Z']]);
  });

  it('moves item after another', () => {
    const order = PartialOrder.moveItem(testOrder, 'T', 'A', false);
    expect(order).toEqual(['L',['M','P'],'A','T',['C','R','Z']]);
  });

  it('moves item to first in a group', () => {
    const order = PartialOrder.moveItem(testOrder, 'T', 'M', true);
    expect(order).toEqual(['L',['T','M','P'],'A',['C','R','Z']]);
  });

  it('moves item to last in a group', () => {
    const order = PartialOrder.moveItem(testOrder, 'T', 'P', false);
    expect(order).toEqual(['L',['M','P','T'],'A',['C','R','Z']]);
  });

  it('moves item to before a group', () => {
    const order = PartialOrder.moveItem(testOrder, 'T', 'L', false);
    expect(order).toEqual(['L','T',['M','P'],'A',['C','R','Z']]);
  });

  it('leaves item in place if "moved" to current place', () => {
    const order = PartialOrder.moveItem(testOrder, 'T', 'L', true);
    expect(order).toEqual(testOrder);
  });

  it('moves item from middle of a group', () => {
    const order = PartialOrder.moveItem(testOrder, 'R', 'L', true);
    expect(order).toEqual(['T','R','L',['M','P'],'A',['C','Z']]);
  });

  it('moves item from first of a group', () => {
    const order = PartialOrder.moveItem(testOrder, 'C', 'L', true);
    expect(order).toEqual(['T','C','L',['M','P'],'A',['R','Z']]);
  });

  it('moves item from last of a group', () => {
    const order = PartialOrder.moveItem(testOrder, 'Z', 'L', true);
    expect(order).toEqual(['T','Z','L',['M','P'],'A',['C','R']]);
  });

  it('disolves group when second to last item moved from group', () => {
    const order = PartialOrder.moveItem(testOrder, 'P', 'A', true);
    expect(order).toEqual(['T','L','M','P','A',['C','R','Z']]);
  });

  it('returns an empty order given an empty order', () => {
    expect(PartialOrder.moveItem([], 'A', 'B', true)).toEqual([]);
  });
});