A simple way to populate Sails.js v1 models with data fixtures for testing purposes.
Fixted is based on Barrels, by Ruslan Bredikhin.
npm i --save-dev fixted
See neonexus/sails-react-bootstrap-webpack for an example of automated tests that depend on fake data.
Drop your fixtures in test/fixtures
as JSON files (or CommonJS modules) named after your models. See test/fixtures for examples.
Once your Sails.js server is running:
const Fixted = require('fixted');
const fixted = new Fixted();
const fixtures = fixted.data;
// then we populate our datastore, with automatic accociation support
fixted.populate((err) => {
// perform tests on your models, which should be populated with data
});
Pass to the constructor the path to the folder containing your fixtures
(defaults to ./test/fixtures
).
Populate
'ing the test database involves three steps:
- Removing any existing data from the collection corresponding to the fixture
- Loading the fixture data into the test database
- Automatically applying associations (can be disabled by passing
false
as the last parameter topopulate
)
Populate
also accepts an array of names of collections to populate as
the first (optional) argument, for example:
fixted.populate(['products'], function(err) {
// Only products will be populated
});
Use the number of position (starting from one) of an entry in the JSON fixture
as a reference to associate models (see
test/fixtures/products.json
for example). This feature can be disabled by passing false
as the last
parameter to populate
.
If you have any associations described as required: true
, they will be
added automatically, no matter if the last parameter to populate
is false
or not. However, you have to load your fixtures gradually (by passing an array
of collection names as the first parameter) in such an order that collections
corresponding to the required associations get populated first.
Let's say, for example, you are implementing a Passport.js
-based
authentication, and every Passport
has User
as a required association. You'd
write something like this:
fixted.populate(['user', 'passport'], function(err) {
if (err) {
return done(err); // Higher level callback
}
// Do your thing...
done();
});