Tests: Cover gist endpoint

tests/gist.test.js

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+import { jest } from "@jest/globals";
+import "@testing-library/jest-dom";
+import axios from "axios";
+import MockAdapter from "axios-mock-adapter";
+import { expect, it, describe, afterEach } from "@jest/globals";
+import { renderGistCard } from "../src/cards/gist-card.js";
+import gist from "../api/gist.js";
+
+const gist_data = {
+  data: {
+    viewer: {
+      gist: {
+        description:
+          "List of countries and territories in English and Spanish: name, continent, capital, dial code, country codes, TLD, and area in sq km. Lista de países y territorios en Inglés y Español: nombre, continente, capital, código de teléfono, códigos de país, dominio y área en km cuadrados. Updated 2023",
+        owner: {
+          login: "Yizack",
+        },
+        stargazerCount: 33,
+        forks: {
+          totalCount: 11,
+        },
+        files: [
+          {
+            name: "countries.json",
+            language: {
+              name: "JSON",
+            },
+            size: 85858,
+          },
+        ],
+      },
+    },
+  },
+};
+
+const mock = new MockAdapter(axios);
+
+afterEach(() => {
+  mock.reset();
+});
+
+describe("Test /api/gist", () => {
+  it("should test the request", async () => {
+    const req = {
+      query: {
+        id: "bbfce31e0217a3689c8d961a356cb10d",
+      },
+    };
+    const res = {
+      setHeader: jest.fn(),
+      send: jest.fn(),
+    };
+    mock.onPost("https://api.github.com/graphql").reply(200, gist_data);
+
+    await gist(req, res);
+
+    expect(res.setHeader).toBeCalledWith("Content-Type", "image/svg+xml");
+    expect(res.send).toBeCalledWith(
+      renderGistCard({
+        name: gist_data.data.viewer.gist.files[0].name,
+        nameWithOwner: `${gist_data.data.viewer.gist.owner.login}/${gist_data.data.viewer.gist.files[0].name}`,
+        description: gist_data.data.viewer.gist.description,
+        language: gist_data.data.viewer.gist.files[0].language.name,
+        starsCount: gist_data.data.viewer.gist.stargazerCount,
+        forksCount: gist_data.data.viewer.gist.forks.totalCount,
+      }),
+    );
+  });
+
+  it("should get the query options", async () => {
+    const req = {
+      query: {
+        title_color: "fff",
+        icon_color: "fff",
+        text_color: "fff",
+        bg_color: "fff",
+        show_owner: true,
+      },
+    };
+    const res = {
+      setHeader: jest.fn(),
+      send: jest.fn(),
+    };
+    mock.onPost("https://api.github.com/graphql").reply(200, gist_data);
+
+    await gist(req, res);
+
+    expect(res.setHeader).toBeCalledWith("Content-Type", "image/svg+xml");
+    expect(res.send).toBeCalledWith(
+      renderGistCard(
+        {
+          name: gist_data.data.viewer.gist.files[0].name,
+          nameWithOwner: `${gist_data.data.viewer.gist.owner.login}/${gist_data.data.viewer.gist.files[0].name}`,
+          description: gist_data.data.viewer.gist.description,
+          language: gist_data.data.viewer.gist.files[0].language.name,
+          starsCount: gist_data.data.viewer.gist.stargazerCount,
+          forksCount: gist_data.data.viewer.gist.forks.totalCount,
+        },
+        { ...req.query },
+      ),
+    );
+  });
+});