bun.sh/test/js/web/url/url.test.ts

import { describe, expect, it } from "bun:test";

describe("url", () => {
  it("URL throws", () => {
    expect(() => new URL("")).toThrow('"" cannot be parsed as a URL');
    expect(() => new URL(" ")).toThrow('" " cannot be parsed as a URL');
    expect(() => new URL("boop", "http!/example.com")).toThrow(
      '"boop" cannot be parsed as a URL against "http!/example.com"',
    );
    expect(() => new URL("boop", "http!/example.com")).toThrow(
      expect.objectContaining({
        code: "ERR_INVALID_URL",
      }),
    );

    // redact
    expect(() => new URL("boop", "https!!username:password@example.com")).toThrow(
      '"boop" cannot be parsed as a URL against <redacted>',
    );
  });

  it("should have correct origin and protocol", () => {
    var url = new URL("https://example.com");
    expect(url.protocol).toBe("https:");
    expect(url.origin).toBe("https://example.com");
    url = new URL("about:blank");
    expect(url.protocol).toBe("about:");
    expect(url.origin).toBe("null");
    url = new URL("http://example.com");
    expect(url.protocol).toBe("http:");
    expect(url.origin).toBe("http://example.com");
    url = new URL("ftp://example.com");
    expect(url.protocol).toBe("ftp:");
    expect(url.origin).toBe("ftp://example.com");
    url = new URL("file://example.com");
    expect(url.protocol).toBe("file:");
    expect(url.origin).toBe("null");
    url = new URL("ws://example.com");
    expect(url.protocol).toBe("ws:");
    expect(url.origin).toBe("ws://example.com");
    url = new URL("wss://example.com");
    expect(url.protocol).toBe("wss:");
    expect(url.origin).toBe("wss://example.com");
    url = new URL("kekjafek://example.com");
    expect(url.protocol).toBe("kekjafek:");
    expect(url.origin).toBe("null");
    url = new URL("data:text/plain,Hello%2C%20World!");
    expect(url.protocol).toBe("data:");
    expect(url.origin).toBe("null");
    url = new URL("blob://example.com");
    expect(url.protocol).toBe("blob:");
    expect(url.origin).toBe("null");
    url = new URL("javascript:alert('Hello World!')");
    expect(url.protocol).toBe("javascript:");
    expect(url.origin).toBe("null");
    url = new URL("mailto:");
    expect(url.protocol).toBe("mailto:");
    expect(url.origin).toBe("null");
  });
  it("blob urls", () => {
    var url = new URL("blob:https://example.com/1234-5678");
    expect(url.protocol).toBe("blob:");
    expect(url.origin).toBe("https://example.com");
    url = new URL("blob:file://text.txt");
    expect(url.protocol).toBe("blob:");
    expect(url.origin).toBe("file://text.txt");
    url = new URL("blob:kjka://example.com");
    expect(url.protocol).toBe("blob:");
    expect(url.origin).toBe("null");
    url = new URL("blob:blob://example.com");
    expect(url.protocol).toBe("blob:");
    expect(url.origin).toBe("null");
    url = new URL("blob:blob://example.com");
    expect(url.protocol).toBe("blob:");
    expect(url.origin).toBe("null");
    url = new URL("blob:ws://example.com");
    expect(url.protocol).toBe("blob:");
    expect(url.origin).toBe("ws://example.com");
    url = new URL("blob:file:///folder/else/text.txt");
    expect(url.protocol).toBe("blob:");
    expect(url.origin).toBe("file://");
  });
  it("prints", () => {
    expect(Bun.inspect(new URL("https://example.com"))).toBe(`URL {
  href: "https://example.com/",
  origin: "https://example.com",
  protocol: "https:",
  username: "",
  password: "",
  host: "example.com",
  hostname: "example.com",
  port: "",
  pathname: "/",
  hash: "",
  search: "",
  searchParams: ${Bun.inspect(new URLSearchParams())},
  toJSON: [Function: toJSON],
  toString: [Function: toString],
}`);

    expect(
      Bun.inspect(
        new URL("https://github.com/oven-sh/bun/issues/135?hello%20i%20have%20spaces%20thank%20you%20good%20night"),
      ),
    ).toBe(`URL {
  href: "https://github.com/oven-sh/bun/issues/135?hello%20i%20have%20spaces%20thank%20you%20good%20night",
  origin: "https://github.com",
  protocol: "https:",
  username: "",
  password: "",
  host: "github.com",
  hostname: "github.com",
  port: "",
  pathname: "/oven-sh/bun/issues/135",
  hash: "",
  search: "?hello%20i%20have%20spaces%20thank%20you%20good%20night",
  searchParams: URLSearchParams {\n    \"hello i have spaces thank you good night\": \"\",\n  },
  toJSON: [Function: toJSON],
  toString: [Function: toString],
}`);
  });
  it("works", () => {
    const inputs = [
      [
        "https://username:password@api.foo.bar.com:9999/baz/okay/i/123?ran=out&of=things#to-use-as-a-placeholder",
        {
          hash: "#to-use-as-a-placeholder",
          host: "api.foo.bar.com:9999",
          hostname: "api.foo.bar.com",
          href: "https://username:password@api.foo.bar.com:9999/baz/okay/i/123?ran=out&of=things#to-use-as-a-placeholder",
          origin: "https://api.foo.bar.com:9999",
          password: "password",
          pathname: "/baz/okay/i/123",
          port: "9999",
          protocol: "https:",
          search: "?ran=out&of=things",
          username: "username",
        },
      ],
      [
        "https://url.spec.whatwg.org/#url-serializing",
        {
          hash: "#url-serializing",
          host: "url.spec.whatwg.org",
          hostname: "url.spec.whatwg.org",
          href: "https://url.spec.whatwg.org/#url-serializing",
          origin: "https://url.spec.whatwg.org",
          password: "",
          pathname: "/",
          port: "",
          protocol: "https:",
          search: "",
          username: "",
        },
      ],
      [
        "https://url.spec.whatwg.org#url-serializing",
        {
          hash: "#url-serializing",
          host: "url.spec.whatwg.org",
          hostname: "url.spec.whatwg.org",
          href: "https://url.spec.whatwg.org/#url-serializing",
          origin: "https://url.spec.whatwg.org",
          password: "",
          pathname: "/",
          port: "",
          protocol: "https:",
          search: "",
          username: "",
        },
      ],
    ] as const;

    for (let [url, values] of inputs) {
      const result = new URL(url);
      expect(result.hash).toBe(values.hash);
      expect(result.host).toBe(values.host);
      expect(result.hostname).toBe(values.hostname);
      expect(result.href).toBe(values.href);
      expect(result.password).toBe(values.password);
      expect(result.pathname).toBe(values.pathname);
      expect(result.port).toBe(values.port);
      expect(result.protocol).toBe(values.protocol);
      expect(result.search).toBe(values.search);
      expect(result.username).toBe(values.username);
    }
  });

  describe("URL.canParse", () => {
    (
      [
        {
          "url": undefined,
          "base": undefined,
          "expected": false,
        },
        {
          "url": "a:b",
          "base": undefined,
          "expected": true,
        },
        {
          "url": undefined,
          "base": "a:b",
          "expected": false,
        },
        {
          "url": "a:/b",
          "base": undefined,
          "expected": true,
        },
        {
          "url": undefined,
          "base": "a:/b",
          "expected": true,
        },
        {
          "url": "https://test:test",
          "base": undefined,
          "expected": false,
        },
        {
          "url": "a",
          "base": "https://b/",
          "expected": true,
        },
      ] as const
    ).forEach(({ url, base, expected }) => {
      it(`URL.canParse(${url}, ${base})`, () => {
        // @ts-expect-error
        expect(URL.canParse(url, base)).toBe(expected);
      });
    });

    it("URL.canParse.length should be 1", () => {
      expect(URL.canParse.length).toBe(1);
    });
  });
});