loopback-component-explorer/test/explorer.test.js

345 lines
10 KiB
JavaScript

// Copyright IBM Corp. 2013,2016. All Rights Reserved.
// Node module: loopback-component-explorer
// This file is licensed under the MIT License.
// License text available at https://opensource.org/licenses/MIT
var loopback = require('loopback');
var explorer = require('../');
var request = require('supertest');
var assert = require('assert');
var path = require('path');
var expect = require('chai').expect;
var urlJoin = require('../lib/url-join');
var os = require('os');
describe('explorer', function() {
describe('with default config', function() {
beforeEach(givenLoopBackAppWithExplorer());
it('should register "loopback-component-explorer" to the app', function() {
expect(this.app.get('loopback-component-explorer'))
.to.have.property('mountPath', '/explorer');
});
it('should redirect to /explorer/', function(done) {
request(this.app)
.get('/explorer')
.expect(303)
.end(done);
});
it('should serve the explorer at /explorer/', function(done) {
request(this.app)
.get('/explorer/')
.expect('Content-Type', /html/)
.expect(200)
.end(function(err, res) {
if (err) throw err;
assert(!!~res.text.indexOf('<title>StrongLoop API Explorer</title>'),
'text does not contain expected string');
done();
});
});
it('should serve correct swagger-ui config', function(done) {
request(this.app)
.get('/explorer/config.json')
.expect('Content-Type', /json/)
.expect(200)
.end(function(err, res) {
if (err) return done(err);
expect(res.body).to
.have.property('url', '/explorer/swagger.json');
done();
});
});
});
describe('with custom explorer base', function() {
beforeEach(givenLoopBackAppWithExplorer('/swagger'));
it('should register "loopback-component-explorer" to the app', function() {
expect(this.app.get('loopback-component-explorer'))
.to.have.property('mountPath', '/swagger');
});
it('should serve correct swagger-ui config', function(done) {
request(this.app)
.get('/swagger/config.json')
.expect('Content-Type', /json/)
.expect(200)
.end(function(err, res) {
if (err) return done(err);
expect(res.body).to
.have.property('url', '/swagger/swagger.json');
done();
});
});
});
describe('with custom app.restApiRoot', function() {
it('should serve correct swagger-ui config', function(done) {
var app = loopback();
app.set('restApiRoot', '/rest-api-root');
configureRestApiAndExplorer(app);
request(app)
.get('/explorer/config.json')
.expect(200)
.end(function(err, res) {
if (err) return done(err);
expect(res.body).to
.have.property('url', '/explorer/swagger.json');
done();
});
});
it('removes trailing slash from baseUrl', function(done) {
// SwaggerUI builds resource URL by concatenating basePath + resourcePath
// Since the resource paths are always startign with a slash,
// if the basePath ends with a slash too, an incorrect URL is produced
var app = loopback();
app.set('restApiRoot', '/apis/');
configureRestApiAndExplorer(app);
request(app)
.get('/explorer/swagger.json')
.expect(200)
.end(function(err, res) {
if (err) return done(err);
var baseUrl = res.body.basePath;
var apiPath = Object.keys(res.body.paths)[0];
expect(baseUrl + apiPath).to.equal('/apis/products');
done();
});
});
});
describe('with custom front-end files', function() {
var app;
beforeEach(function setupExplorerWithUiDirs() {
app = loopback();
explorer(app, {
uiDirs: [path.resolve(__dirname, 'fixtures', 'dummy-swagger-ui')],
});
});
it('overrides swagger-ui files', function(done) {
request(app).get('/explorer/swagger-ui.js')
.expect(200)
.end(function(err, res) {
if (err) return done(err);
// expect the content of `dummy-swagger-ui/swagger-ui.js`
expect(res.text).to.contain('/* custom swagger-ui file */' + os.EOL);
done();
});
});
it('overrides strongloop overrides', function(done) {
request(app).get('/explorer/')
.expect(200)
// expect the content of `dummy-swagger-ui/index.html`
.expect('custom index.html' + os.EOL)
.end(done);
});
});
describe('with swaggerUI option', function() {
var app;
beforeEach(function setupExplorerWithoutUI() {
app = loopback();
explorer(app, {
swaggerUI: false,
});
});
it('overrides swagger-ui files', function(done) {
request(app).get('/explorer/swagger-ui.js')
.expect(404, done);
});
it('should serve config.json', function(done) {
request(app)
.get('/explorer/config.json')
.expect(200)
.end(function(err, res) {
if (err) return done(err);
expect(res.body).to
.have.property('url', '/explorer/swagger.json');
done();
});
});
it('should serve swagger.json', function(done) {
request(app)
.get('/explorer/swagger.json')
.expect(200, done);
});
});
describe('explorer.routes API', function() {
var app;
beforeEach(function() {
app = loopback();
var Product = loopback.PersistedModel.extend('product');
Product.attachTo(loopback.memory());
app.model(Product);
});
it('creates explorer routes', function(done) {
app.use('/explorer', explorer.routes(app));
app.use(app.get('restApiRoot') || '/', loopback.rest());
request(app)
.get('/explorer/config.json')
.expect('Content-Type', /json/)
.expect(200)
.end(done);
});
});
describe('when specifying custom static file root directories', function() {
var app;
beforeEach(function() {
app = loopback();
});
it('should allow `uiDirs` to be defined as an Array', function(done) {
explorer(app, {
uiDirs: [path.resolve(__dirname, 'fixtures', 'dummy-swagger-ui')],
});
request(app).get('/explorer/')
.expect(200)
// expect the content of `dummy-swagger-ui/index.html`
.expect('custom index.html' + os.EOL)
.end(done);
});
it('should allow `uiDirs` to be defined as an String', function(done) {
explorer(app, {
uiDirs: path.resolve(__dirname, 'fixtures', 'dummy-swagger-ui'),
});
request(app).get('/explorer/')
.expect(200)
// expect the content of `dummy-swagger-ui/index.html`
.expect('custom index.html' + os.EOL)
.end(done);
});
});
describe('Cross-origin resource sharing', function() {
it('allows cross-origin requests by default', function(done) {
var app = loopback();
configureRestApiAndExplorer(app, '/explorer');
request(app)
.options('/explorer/swagger.json')
.set('Origin', 'http://example.com/')
.expect('Access-Control-Allow-Origin', /^http:\/\/example.com\/|\*/)
.expect('Access-Control-Allow-Methods', /\bGET\b/)
.end(done);
});
it('can be disabled by configuration', function(done) {
var app = loopback();
app.set('remoting', { cors: { origin: false }});
configureRestApiAndExplorer(app, '/explorer');
request(app)
.options('/explorer/swagger.json')
.end(function(err, res) {
if (err) return done(err);
var allowOrigin = res.get('Access-Control-Allow-Origin');
expect(allowOrigin, 'Access-Control-Allow-Origin')
.to.equal(undefined);
done();
});
});
});
it('updates swagger object when a new model is added', function(done) {
var app = loopback();
configureRestApiAndExplorer(app, '/explorer');
// Ensure the swagger object was built
request(app)
.get('/explorer/swagger.json')
.expect(200)
.end(function(err) {
if (err) return done(err);
// Create a new model
var Model = loopback.PersistedModel.extend('Customer');
Model.attachTo(loopback.memory());
app.model(Model);
// Request swagger.json again
request(app)
.get('/explorer/swagger.json')
.expect(200)
.end(function(err, res) {
if (err) return done(err);
var modelNames = Object.keys(res.body.definitions);
expect(modelNames).to.contain('Customer');
var paths = Object.keys(res.body.paths);
expect(paths).to.have.contain('/Customers');
done();
});
});
});
it('updates swagger object when a remote method is disabled', function(done) {
var app = loopback();
configureRestApiAndExplorer(app, '/explorer');
// Ensure the swagger object was built
request(app)
.get('/explorer/swagger.json')
.expect(200)
.end(function(err, res) {
if (err) return done(err);
// Check the method that will be disabled
var paths = Object.keys(res.body.paths);
expect(paths).to.contain('/products/findOne');
var Product = app.models.Product;
Product.disableRemoteMethod('findOne', true);
// Request swagger.json again
request(app)
.get('/explorer/swagger.json')
.expect(200)
.end(function(err, res) {
if (err) return done(err);
var paths = Object.keys(res.body.paths);
expect(paths).to.not.contain('/products/findOne');
done();
});
});
});
function givenLoopBackAppWithExplorer(explorerBase) {
return function(done) {
var app = this.app = loopback();
configureRestApiAndExplorer(app, explorerBase);
done();
};
}
function configureRestApiAndExplorer(app, explorerBase) {
var Product = loopback.PersistedModel.extend('product');
Product.attachTo(loopback.memory());
app.model(Product);
explorer(app, { mountPath: explorerBase });
app.set('legacyExplorer', false);
app.use(app.get('restApiRoot') || '/', loopback.rest());
}
});