Fixtures

Fixtures in Autometa are classes decorated with @Fixture. Fixtures can be defined in the App, where they will be automatically injected for each running scenario.

Fixtures can also reference each other in their constructors, which will also be injected.

Assume we have two fixtures, HttpClient, and MyApiClient, where HTTPClient handles basic HTTP calls and MyApiClient is a wrapper over HTTPClient that defines the API Services endpoints.

HTTPClient

import { Fixture } from "@autometa/cucumber-runner";
@Fixture
export class HTTPClient {
  async get(url: string, queryString: unknown) {}
  async post(url: string, body: unknown) {}
  async put(url: string, body: unknown) {}
  async del(url: string, body: unknown) {}
}

MyApiClient

import { Fixture } from "@autometa/cucumber-runner";
@Fixture
export class MyApiClient {
  url: string;
  constructor(readonly http: HTTPClient) {
    this.url = process.env.API_URL;
  }

  getWidget(id: string) {
    return this.http.get(`${this.url}/widget/${id}`);
  }
  async createWidget() {}
  async updateWidget() {}
}

MyApp

import { Fixture, Persistent } from "@autometa/cucumber-runner";
@Fixture
@Persistent
export class MyApp {
  constructor(readonly world: World, readonly api: MyApiClient) {}
}

Steps

import { When } from "@autometa/cucumber-runner";

When("they get a widget", async ({ world, api }: App) => {
  world.getWidgetResponse = await api.getWidget();
});