tests: added test for fetchTopLanguages (b50555ad) · Commits · 郑智淋 / github-readme-stats

tests/fetchTopLanguages.test.js

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+84 −0

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		require("@testing-library/jest-dom");
		const axios = require("axios");
		const MockAdapter = require("axios-mock-adapter");
		const fetchTopLanguages = require("../src/fetchTopLanguages");

		const mock = new MockAdapter(axios);

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

		const data_langs = {
		data: {
		user: {
		repositories: {
		nodes: [
		{
		languages: {
		edges: [{ size: 100, node: { color: "#0f0", name: "HTML" } }],
		},
		},
		{
		languages: {
		edges: [{ size: 100, node: { color: "#0f0", name: "HTML" } }],
		},
		},
		{
		languages: {
		edges: [
		{ size: 100, node: { color: "#0ff", name: "javascript" } },
		],
		},
		},
		{
		languages: {
		edges: [
		{ size: 100, node: { color: "#0ff", name: "javascript" } },
		],
		},
		},
		],
		},
		},
		},
		};

		const error = {
		errors: [
		{
		type: "NOT_FOUND",
		path: ["user"],
		locations: [],
		message: "Could not resolve to a User with the login of 'noname'.",
		},
		],
		};

		describe("FetchTopLanguages", () => {
		it("should fetch correct language data", async () => {
		mock.onPost("https://api.github.com/graphql").reply(200, data_langs);

		let repo = await fetchTopLanguages("anuraghazra");
		expect(repo).toStrictEqual({
		HTML: {
		color: "#0f0",
		name: "HTML",
		size: 200,
		},
		javascript: {
		color: "#0ff",
		name: "javascript",
		size: 200,
		},
		});
		});

		it("should throw error", async () => {
		mock.onPost("https://api.github.com/graphql").reply(200, error);

		await expect(fetchTopLanguages("anuraghazra")).rejects.toThrow(
		"Could not resolve to a User with the login of 'noname'."
		);
		});
		});