/
populate.getVirtual.test.js
119 lines (90 loc) · 3.34 KB
/
populate.getVirtual.test.js
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'use strict';
const Schema = require('../../lib/schema');
const assert = require('assert');
const getVirtual = require('../../lib/helpers/populate/getVirtual');
describe('getVirtual', function() {
it('handles embedded discriminators (gh-6411)', function(done) {
// Generate Embedded Discriminators
const eventSchema = new Schema(
{ message: String },
{ discriminatorKey: 'kind'}
);
const batchSchema = new Schema({
nested: {
events: [eventSchema]
}
});
const docArray = batchSchema.path('nested.events');
// First embedded discriminator has a virtual
const clickedSchema = new Schema({
element: { type: String },
users: [ Number ]
});
clickedSchema.virtual('users_$', {
ref: 'Users',
localField: 'users',
foreignField: 'employeeId'
});
docArray.discriminator('Clicked', clickedSchema);
// Second embedded discriminator does not have a virtual
docArray.discriminator('Purchased', new Schema({
product: { type: String }
}));
assert.equal(getVirtual(batchSchema, 'nested.events.users_$').virtual.options.ref,
'Users');
done();
});
it('handles embedded discriminators under single nested (gh-6488)', function(done) {
// Generate Embedded Discriminators
const eventSchema = new Schema({ message: String },
{ discriminatorKey: 'kind' });
const batchSchema = new Schema({ nested: { events: [eventSchema] } });
const docArray = batchSchema.path('nested.events');
// *** Adding Nested Layer and adding virtual to schema of nestedLayer
const nestedLayerSchema = new Schema({ users: [ Number ] }, {
toJSON: { virtuals: true},
toObject: { virtuals: true }
});
nestedLayerSchema.virtual('users_$', {
ref: 'Users',
localField: 'users',
foreignField: 'employeeId'
});
// First embedded discriminator schema
const clickedSchema = new Schema({
element: { type: String },
nestedLayer: nestedLayerSchema
}, {
toJSON: { virtuals: true},
toObject: { virtuals: true}
});
docArray.discriminator('Clicked', clickedSchema);
// Second embedded discriminator
docArray.discriminator('Purchased', new Schema({ product: String }));
const res = getVirtual(batchSchema, 'nested.events.nestedLayer.users_$');
assert.equal(res.virtual.options.ref, 'Users');
done();
});
it('handles multiple calls with discriminator under doc array (gh-6644)', function(done) {
const eventSchema = new Schema({ message: String }, { discriminatorKey: 'kind'});
const batchSchema = new Schema({ events: [eventSchema] });
const docArray = batchSchema.path('events');
const clickedSchema = new Schema({ element: { type: String }, users: [{}] }, {
toJSON: { virtuals: true},
toObject: { virtuals: true}
});
clickedSchema.virtual('users_$', {
ref: 'Users',
localField: 'users',
foreignField: 'employeeId'
});
docArray.discriminator('Clicked', clickedSchema);
let res = getVirtual(batchSchema, 'events.users_$');
assert.equal(res.virtual.options.ref, 'Users');
assert.equal(res.nestedSchemaPath, 'events');
res = getVirtual(batchSchema, 'events.users_$');
assert.equal(res.virtual.options.ref, 'Users');
assert.equal(res.nestedSchemaPath, 'events');
done();
});
});