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'use strict';
const assert = require('assert');const Mongoose = require('../../lib');
const mongoose = new Mongoose.Mongoose();
describe('custom casting', function() {  let originalCast;
  beforeEach(function() {    originalCast = mongoose.Number.cast();  });
  afterEach(function() {    mongoose.deleteModel('Test');    mongoose.Number.cast(originalCast);  });
  it('casting error', function() {    const schema = new mongoose.Schema({      age: Number    });    const Model = mongoose.model('Test', schema);
    const doc = new Model({ age: '二' });    const err = doc.validateSync();    // "Cast to Number failed for value "二" at path "age""    err.message;    // acquit:ignore:start    assert.ok(err.message.indexOf('Cast to Number failed for value "二" (type string) at path "age"') !== -1, err.message);    // acquit:ignore:end  });
  it('casting override', function() {    // Calling `cast()` on a class that inherits from `SchemaType` returns the    // current casting function.    const originalCast = mongoose.Number.cast();
    // Calling `cast()` with a function sets the current function used to    // cast a given schema type, in this cast Numbers.    mongoose.Number.cast(v => {      if (v === '二') {        return 2;      }      return originalCast(v);    });
    const schema = new mongoose.Schema({      age: Number    });
    const Model = mongoose.model('Test', schema);
    const doc = new Model({ age: '二' });    const err = doc.validateSync();    err; // null    doc.age; // 2    // acquit:ignore:start    assert.ifError(err);    assert.equal(doc.age, 2);    // acquit:ignore:end  });});