// @flow
import Operation from './Operation';
import OperationManager from './OperationManager';

describe('OperationManager)', () => {
  let addOperation = null;
  let updateOperation = null;
  let operationManager = null;

  const initOperationManager = () => {
    addOperation = new Operation(
      'ADD',
      { entityType: 'item', id: 'foo' },
      { id: 'foo', value: 'foobarbaz' }
    );
    updateOperation = new Operation(
      'UPDATE',
      { entityType: 'parent', id: 'bar' },
      { value: 'contentOfBar2' }
    );
    operationManager = new OperationManager(addOperation);
    operationManager.addOperation(updateOperation);
  };

  beforeAll(() => {
    initOperationManager();
  });

  it('operationsRequireRead, operationsNotResolved should be set properly', () => {
    expect(operationManager.getOperationsNotResolved()).toEqual([addOperation, updateOperation]);
    expect(operationManager.getOperationsRequireRead()).toEqual([updateOperation]);
  });

  it('operationsRequireRead, operationsNotResolved should not be duplicated', () => {
    operationManager.addOperation(new Operation(
      'UPDATE',
      { entityType: 'parent', id: 'bar' },
      { value: 'contentOfBar3' }
    ));
    expect(operationManager.getOperationsNotResolved()).toEqual([addOperation, updateOperation]);
    expect(operationManager.getOperationsRequireRead()).toEqual([updateOperation]);
  });

  it('operationsRequireRead should be deleted after operation.setBefore()', () => {
    updateOperation.setBefore({ id: 'bar', value: 'contentOfBar1' });
    expect(operationManager.getOperationsNotResolved()).toEqual([addOperation, updateOperation]);
    expect(operationManager.getOperationsRequireRead()).toEqual([]);
  });

  it('operationsNotResolved should be deleted after operation.markAsResolved()', () => {
    addOperation.markAsResolved();
    expect(operationManager.getOperationsNotResolved()).toEqual([updateOperation]);
    expect(operationManager.getOperationsRequireRead()).toEqual([]);

    updateOperation.markAsResolved();
    expect(operationManager.getOperationsNotResolved()).toEqual([]);
    expect(operationManager.getOperationsRequireRead()).toEqual([]);
  });
});