Mocha Testing a Nested Model - express

Question

Trying to write a test for a nested model but can't get it working:
Model:
const EmployeeSchema = new mongoose.Schema({
firstName: {type: String, required: true},
lastName: { type: String, required: true}
});
const CompanySchema = new mongoose.Schema({
name: { type: String, required: true },
streetAddress: { type: String, required: true },
country: { type: String, required: true },
employees:[EmployeeSchema]
}, { timestamps: true});
Controller:
function create(req, res, next) {
const company = new Company({
name: req.body.name,
streetAddress: req.body.streetAddress,
country: req.body.country
});
company.employees.push(req.employees);
company.save()
.then(savedCompany => res.json(savedCompany))
.catch(e => next(e));
}
Test:
describe('## Company APIs', () => {
let company = {
name: "Test Company",
streetAddress: "123 Fake Street",
country: "A Country"
};
company.employees.push({firstName: "Jane", lastName: "Doe"});
describe('# POST /api/company', () => {
it('should create a new company', (done) => {
request(app)
.post('/api/company')
.send(company)
.expect(httpStatus.OK)
.then((res) => {
expect(res.body.name).to.equal(company.name);
expect(res.body.streetAddress).to.equal(company.streetAddress);
expect(res.body.country).to.equal(company.country);
company = res.body;
done();
})
.catch(done);
});
});
The above gives: TypeError: Cannot read property 'push' of undefined
I've tried a few other things but this is the most promising result, for some reason I just can't seem to populate the embedded model as part of setting up the unit test.

Answer 1

I ended up resolving this, hopefully this helps someone in the future.
Test:
it('should associate an employee with the company', (done) => {
var employee = new Employee();
company.employees.push(employee);
request(app)
.put(`/api/company/${company._id}`)
.send(company)
.expect(httpStatus.OK)
.then((res) => {
expect(res.body.employees).to.be.an('array')
expect(res.body.employees).to.contain(employee.id)
done();
})
.catch(done);
});
Controller:
Adding this to handle multiple additions:
if (req.body.employees != null) {
req.body.employees.forEach(function(employee) {
company.employees.push(employee);
}, this);
}