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application.test.js
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const assert = require('assert');
const Proto = require('uberproto');
const feathers = require('../lib');
describe('Feathers application', () => {
it('adds an ES module `default` export', () => {
assert.strictEqual(feathers, feathers.default);
});
it('initializes', () => {
const app = feathers();
assert.strictEqual(typeof app.use, 'function');
assert.strictEqual(typeof app.service, 'function');
assert.strictEqual(typeof app.services, 'object');
});
it('sets the version on main and app instance', () => {
const app = feathers();
assert.ok(feathers.version > '4.0.0');
assert.ok(app.version > '4.0.0');
});
it('is an event emitter', done => {
const app = feathers();
const original = { hello: 'world' };
app.on('test', data => {
assert.deepStrictEqual(original, data);
done();
});
app.emit('test', original);
});
it('throws an error for old app.service(path, service)', () => {
const app = feathers();
try {
app.service('/test', {});
} catch (e) {
assert.strictEqual(e.message, 'Registering a new service with `app.service(path, service)` is no longer supported. Use `app.use(path, service)` instead.');
}
});
it('uses .defaultService if available', () => {
const app = feathers();
assert.ok(!app.service('/todos/'));
app.defaultService = function (path) {
assert.strictEqual(path, 'todos');
return {
get (id) {
return Promise.resolve({
id, description: `You have to do ${id}!`
});
}
};
};
return app.service('/todos/').get('dishes').then(data => {
assert.deepStrictEqual(data, {
id: 'dishes',
description: 'You have to do dishes!'
});
});
});
it('additionally passes `app` as .configure parameter (#558)', done => {
feathers().configure(function (app) {
assert.strictEqual(this, app);
done();
});
});
describe('Services', () => {
it('calling .use with invalid path throws', () => {
const app = feathers();
try {
app.use(null, {});
} catch (e) {
assert.strictEqual(e.message, `'null' is not a valid service path.`);
}
try {
app.use({}, {});
} catch (e) {
assert.strictEqual(e.message, `'[object Object]' is not a valid service path.`);
}
});
it('calling .use with a non service object throws', () => {
const app = feathers();
try {
app.use('/bla', function () {});
assert.ok(false, 'Should never get here');
} catch (e) {
assert.strictEqual(e.message, 'Invalid service object passed for path `bla`');
}
});
it('registers and wraps a new service', () => {
const dummyService = {
setup (app, path) {
this.path = path;
},
create (data) {
return Promise.resolve(data);
}
};
const app = feathers().use('/dummy', dummyService);
const wrappedService = app.service('dummy');
assert.ok(Proto.isPrototypeOf(wrappedService), 'Service got wrapped as Uberproto object');
return wrappedService.create({
message: 'Test message'
}).then(data => assert.strictEqual(data.message, 'Test message'));
});
it('can use a root level service', () => {
const app = feathers().use('/', {
get (id) {
return Promise.resolve({ id });
}
});
return app.service('/').get('test')
.then(result => assert.deepStrictEqual(result, { id: 'test' }));
});
it('services can be re-used (#566)', done => {
const app1 = feathers();
const app2 = feathers();
app2.use('/dummy', {
create (data) {
return Promise.resolve(data);
}
});
const dummy = app2.service('dummy');
dummy.hooks({
before: {
create (hook) {
hook.data.fromHook = true;
}
}
});
dummy.on('created', data => {
assert.deepStrictEqual(data, {
message: 'Hi',
fromHook: true
});
done();
});
app1.use('/testing', app2.service('dummy'));
app1.service('testing').create({ message: 'Hi' });
});
it('services conserve Symbols', () => {
const TEST = Symbol('test');
const dummyService = {
[TEST]: true,
setup (app, path) {
this.path = path;
},
create (data) {
return Promise.resolve(data);
}
};
const app = feathers().use('/dummy', dummyService);
const wrappedService = app.service('dummy');
assert.ok(wrappedService[TEST]);
});
it('methods conserve Symbols', () => {
const TEST = Symbol('test');
const dummyService = {
setup (app, path) {
this.path = path;
},
create (data) {
return Promise.resolve(data);
}
};
dummyService.create[TEST] = true;
const app = feathers().use('/dummy', dummyService);
const wrappedService = app.service('dummy');
assert.ok(wrappedService.create[TEST]);
});
});
// Copied from the Express tests (without special cases)
describe('Express app options compatibility', function () {
describe('.set()', () => {
it('should set a value', () => {
var app = feathers();
app.set('foo', 'bar');
assert.strictEqual(app.get('foo'), 'bar');
});
it('should return the app', () => {
var app = feathers();
assert.strictEqual(app.set('foo', 'bar'), app);
});
it('should return the app when undefined', () => {
var app = feathers();
assert.strictEqual(app.set('foo', undefined), app);
});
});
describe('.get()', () => {
it('should return undefined when unset', () => {
var app = feathers();
assert.strictEqual(app.get('foo'), undefined);
});
it('should otherwise return the value', () => {
var app = feathers();
app.set('foo', 'bar');
assert.strictEqual(app.get('foo'), 'bar');
});
});
describe('.enable()', () => {
it('should set the value to true', () => {
var app = feathers();
assert.strictEqual(app.enable('tobi'), app);
assert.strictEqual(app.get('tobi'), true);
});
});
describe('.disable()', () => {
it('should set the value to false', () => {
var app = feathers();
assert.strictEqual(app.disable('tobi'), app);
assert.strictEqual(app.get('tobi'), false);
});
});
describe('.enabled()', () => {
it('should default to false', () => {
var app = feathers();
assert.strictEqual(app.enabled('foo'), false);
});
it('should return true when set', () => {
var app = feathers();
app.set('foo', 'bar');
assert.strictEqual(app.enabled('foo'), true);
});
});
describe('.disabled()', () => {
it('should default to true', () => {
var app = feathers();
assert.strictEqual(app.disabled('foo'), true);
});
it('should return false when set', () => {
var app = feathers();
app.set('foo', 'bar');
assert.strictEqual(app.disabled('foo'), false);
});
});
});
describe('.setup', () => {
it('app.setup calls .setup on all services', () => {
const app = feathers();
let setupCount = 0;
app.use('/dummy', {
setup (appRef, path) {
setupCount++;
assert.strictEqual(appRef, app);
assert.strictEqual(path, 'dummy');
}
});
app.use('/simple', {
get (id) {
return Promise.resolve({ id });
}
});
app.use('/dummy2', {
setup (appRef, path) {
setupCount++;
assert.strictEqual(appRef, app);
assert.strictEqual(path, 'dummy2');
}
});
app.setup();
assert.ok(app._isSetup);
assert.strictEqual(setupCount, 2);
});
it('registering a service after app.setup will be set up', () => {
const app = feathers();
app.setup();
app.use('/dummy', {
setup (appRef, path) {
assert.ok(app._isSetup);
assert.strictEqual(appRef, app);
assert.strictEqual(path, 'dummy');
}
});
});
it('calls _setup on a service right away', () => {
const app = feathers();
let _setup = false;
app.use('/dummy', {
get () {},
_setup (appRef, path) {
_setup = true;
assert.strictEqual(appRef, app);
assert.strictEqual(path, 'dummy');
}
});
assert.ok(_setup);
});
});
describe('providers', () => {
it('are getting called with a service', () => {
const app = feathers();
let providerRan = false;
app.providers.push(function (service, location, options) {
assert.ok(service.dummy);
assert.strictEqual(location, 'dummy');
assert.deepStrictEqual(options, {});
providerRan = true;
});
app.use('/dummy', {
dummy: true,
get () {}
});
assert.ok(providerRan);
app.setup();
});
it('are getting called with a service and options', () => {
const app = feathers();
const opts = { test: true };
let providerRan = false;
app.providers.push(function (service, location, options) {
assert.ok(service.dummy);
assert.strictEqual(location, 'dummy');
assert.deepStrictEqual(options, opts);
providerRan = true;
});
app.use('/dummy', {
dummy: true,
get () {}
}, opts);
assert.ok(providerRan);
app.setup();
});
});
describe('sub apps', () => {
it('re-registers sub-app services with prefix', done => {
const app = feathers();
const subApp = feathers();
subApp.use('/service1', {
get (id) {
return Promise.resolve({
id, name: 'service1'
});
}
}).use('/service2', {
get (id) {
return Promise.resolve({
id, name: 'service2'
});
},
create (data) {
return Promise.resolve(data);
}
});
app.use('/api/', subApp);
app.service('/api/service2').once('created', data => {
assert.deepStrictEqual(data, {
message: 'This is a test'
});
subApp.service('service2').once('created', data => {
assert.deepStrictEqual(data, {
message: 'This is another test'
});
done();
});
app.service('api/service2').create({
message: 'This is another test'
});
});
app.service('/api/service1').get(10).then(data => {
assert.strictEqual(data.name, 'service1');
return app.service('/api/service2').get(1);
}).then(data => {
assert.strictEqual(data.name, 'service2');
return subApp.service('service2').create({
message: 'This is a test'
});
});
});
});
});