github-stats-extended/apps/backend/tests/top-langs.test.js

// @ts-check

import axios from "axios";
import MockAdapter from "axios-mock-adapter";
import { afterEach, describe, expect, it, vi } from "vitest";

import topLangs from "../api-renamed/top-langs.js";
import { renderTopLanguages } from "../src/cards/top-languages.js";
import { CACHE_TTL, DURATIONS } from "../src/common/cache.js";
import { renderError } from "../src/common/render.js";

import { data_langs } from "./test-data/langs-data.js";

import "@testing-library/jest-dom/vitest";

const error = {
  errors: [
    {
      type: "NOT_FOUND",
      path: ["user"],
      locations: [],
      message: "Could not fetch user",
    },
  ],
};

const langs = {
  HTML: {
    color: "#0f0",
    name: "HTML",
    size: 250,
  },
  javascript: {
    color: "#0ff",
    name: "javascript",
    size: 200,
  },
};

const mock = new MockAdapter(axios);

afterEach(() => {
  mock.reset();
});

describe("Test /api/top-langs", () => {
  it("should test the request", async () => {
    const req = {
      query: {
        username: "anuraghazra",
      },
    };
    const res = {
      setHeader: vi.fn(),
      send: vi.fn(),
    };
    mock.onPost("https://api.github.com/graphql").reply(200, data_langs);

    await topLangs(req, res);

    expect(res.setHeader).toHaveBeenCalledWith("Content-Type", "image/svg+xml");
    expect(res.send).toHaveBeenCalledWith(renderTopLanguages(langs));
  });

  it("should work with the query options", async () => {
    const req = {
      query: {
        username: "anuraghazra",
        hide_title: true,
        card_width: 100,
        title_color: "fff",
        icon_color: "fff",
        text_color: "fff",
        bg_color: "fff",
      },
    };
    const res = {
      setHeader: vi.fn(),
      send: vi.fn(),
    };
    mock.onPost("https://api.github.com/graphql").reply(200, data_langs);

    await topLangs(req, res);

    expect(res.setHeader).toHaveBeenCalledWith("Content-Type", "image/svg+xml");
    expect(res.send).toHaveBeenCalledWith(
      renderTopLanguages(langs, {
        hide_title: true,
        card_width: 100,
        title_color: "fff",
        icon_color: "fff",
        text_color: "fff",
        bg_color: "fff",
      }),
    );
  });

  it("should render error card on user data fetch error", async () => {
    const req = {
      query: {
        username: "anuraghazra",
      },
    };
    const res = {
      setHeader: vi.fn(),
      send: vi.fn(),
    };
    mock.onPost("https://api.github.com/graphql").reply(200, error);

    await topLangs(req, res);

    expect(res.setHeader).toHaveBeenCalledWith("Content-Type", "image/svg+xml");
    expect(res.send).toHaveBeenCalledWith(
      renderError({
        message: error.errors[0].message,
        secondaryMessage:
          "Make sure the provided username is not an organization",
      }),
    );
  });

  it("should render error card on incorrect layout input", async () => {
    const req = {
      query: {
        username: "anuraghazra",
        layout: ["pie"],
      },
    };
    const res = {
      setHeader: vi.fn(),
      send: vi.fn(),
    };
    mock.onPost("https://api.github.com/graphql").reply(200, data_langs);

    await topLangs(req, res);

    expect(res.setHeader).toHaveBeenCalledWith("Content-Type", "image/svg+xml");
    expect(res.send).toHaveBeenCalledWith(
      renderError({
        message: "Something went wrong",
        secondaryMessage: "Incorrect layout input",
      }),
    );
  });

  it("should render error card if wrong locale provided", async () => {
    const req = {
      query: {
        username: "anuraghazra",
        locale: "asdf",
      },
    };
    const res = {
      setHeader: vi.fn(),
      send: vi.fn(),
    };
    mock.onPost("https://api.github.com/graphql").reply(200, data_langs);

    await topLangs(req, res);

    expect(res.setHeader).toHaveBeenCalledWith("Content-Type", "image/svg+xml");
    expect(res.send).toHaveBeenCalledWith(
      renderError({
        message: "Something went wrong",
        secondaryMessage: "Locale not found",
      }),
    );
  });

  it("should have proper cache", async () => {
    const req = {
      query: {
        username: "anuraghazra",
      },
    };
    const res = {
      setHeader: vi.fn(),
      send: vi.fn(),
    };
    mock.onPost("https://api.github.com/graphql").reply(200, data_langs);

    await topLangs(req, res);

    expect(res.setHeader).toHaveBeenCalledWith("Content-Type", "image/svg+xml");
    expect(res.setHeader).toHaveBeenCalledWith(
      "Cache-Control",
      `max-age=${CACHE_TTL.TOP_LANGS_CARD.DEFAULT}, ` +
        `s-maxage=${CACHE_TTL.TOP_LANGS_CARD.DEFAULT}, ` +
        `stale-while-revalidate=${DURATIONS.ONE_DAY}`,
    );
  });
});