Backbone small test library

test-lib.js

class Test extends Backbone.Model {
  constructor(model = {}, klass = {}) {
    var args = {};
    if (model instanceof Backbone.Model) {
      args = model;
    } else if (_.isFunction(model)) {
      args = {name: _.result(model, "name"), fn: model};
    } else {
      args = model;
    }
    console.log('Test constructor', args);
    super(args, klass)
  }

  defaults () {
    return {
      name: "Test case",
      pass: false,
      fn: async function () { return new Promise((resolve,reject) => reject("No test function was provided"))},
      done: false
    }
  }

  async run (suite = null) {
    const fn = this.get('fn');
    const ret = await fn(this, suite);
    return ret;
  }
}

class TestSuite extends Backbone.Collection {
  add (test) {
    if (_.isFunction(test) && !(test instanceof Test)) return this.add(new Test(test))
    return super.add(test);
  }
  async run () {
    const results = [];
    for (var i = 0; i < this.models.length; i++) {
      const model = this.models[i];
      this.trigger("test:start", model, this);
      var pass = await model.run(this);
      model.set("pass", pass);
      this.trigger("test:result", pass, model, this);
      model.set("done", true);
      this.trigger("test:finish", model, this);
      results.push(pass);
    };
    return _.all(results)
  }
}

tests.js

async function createEts (test, suite) {
  console.log("\n create etablissement \n ");
  return new Promise(resolve => setTimeout(() => resolve(true), 1000));
}
async function updateEts (test, suite) {
  console.log("\n update etablissement \n ");
  return new Promise(resolve => setTimeout(() => resolve(false), 1000));
}

// tests = [
//   createEts,
//   updateEts,
//   inviteAdmin
// ];

test = new Test({name: "create etablissement", fn: createEts});
test2 = new Test({name: "update etablissement", fn: updateEts});
// testSuite = new TestSuite([test, test2]);
testSuite = new TestSuite();
testSuite.add([test, test2]);
testSuite.add(new Test({name: "create etablissement", fn: createEts}));
testSuite.add(new Test({name: "update etablissement", fn: updateEts}));
testSuite.add([test.clone(), test2.clone()]);
testSuite.add(createEts);
testSuite.on('test:finish', test => console.log(`Test <${test.get("name")}> : ${test.get("pass") ? "pass" : "fail" }`));
// await test.run(testSuite);
await testSuite.run();
console.log('test', test);