@fastly/as-url/assembly/__tests__/relative-url.spec.ts

 

// Copyright 2020 Fastly, Inc.

import { URL } from "../url";

describe("Relative URLs", () => {
  test("Can parse protocol relative URLs", () => {
    let url = new URL(
      "//user:pass@sub.example.com:8080/p/a/t/h?query=string#hash",
      "https://fastly.com"
    );
    expect(url.protocol).toBe("https:");
    expect(url.username).toBe("user");
    expect(url.password).toBe("pass");
    expect(url.hostname).toBe("sub.example.com");
    expect(url.port).toBe("8080");
    expect(url.host).toBe("sub.example.com:8080");
    expect(url.origin).toBe("https://sub.example.com:8080");
    expect(url.pathname).toBe("/p/a/t/h");
    expect(url.search).toBe("?query=string");
    expect(url.hash).toBe("#hash");
    expect(url.href).toBe(
      "https://user:pass@sub.example.com:8080/p/a/t/h?query=string#hash"
    );
  });

  test("Can parse path absolute URLs", () => {
    let url = new URL("/p/a/t/h?query=string#hash", "https://fastly.com");
    expect(url.pathname).toBe("/p/a/t/h");
    expect(url.search).toBe("?query=string");
    expect(url.hash).toBe("#hash");
    expect(url.href).toBe("https://fastly.com/p/a/t/h?query=string#hash");
  });

  test("Can parse complex path relative URLs", () => {
    let url = new URL(
      "../././.././p/a/t/h?query=string#hash",
      "https://fastly.com/path1/path2"
    );
    expect(url.pathname).toBe("/p/a/t/h");
    expect(url.search).toBe("?query=string");
    expect(url.hash).toBe("#hash");
    expect(url.href).toBe("https://fastly.com/p/a/t/h?query=string#hash");
  });

  test("Can parse path relative URLs (without parent)", () => {
    let url = new URL(
      "./p/a/t/h?query=string#hash",
      "https://fastly.com/somepath"
    );
    expect(url.pathname).toBe("/somepath/p/a/t/h");
    expect(url.search).toBe("?query=string");
    expect(url.hash).toBe("#hash");
    expect(url.href).toBe(
      "https://fastly.com/somepath/p/a/t/h?query=string#hash"
    );
  });

  test("Can parse path relative URLs (with parent), to the root", () => {
    let url = new URL(
      "../../p/a/t/h?query=string#hash",
      "https://fastly.com/path1/path2"
    );
    expect(url.pathname).toBe("/p/a/t/h");
    expect(url.search).toBe("?query=string");
    expect(url.hash).toBe("#hash");
    expect(url.href).toBe("https://fastly.com/p/a/t/h?query=string#hash");
  });

  test("Can parse path relative URLs (with parent), up a single directory", () => {
    let url = new URL(
      "../p/a/t/h?query=string#hash",
      "https://fastly.com/path1/path2"
    );
    expect(url.pathname).toBe("/path1/p/a/t/h");
    expect(url.search).toBe("?query=string");
    expect(url.hash).toBe("#hash");
    expect(url.href).toBe("https://fastly.com/path1/p/a/t/h?query=string#hash");
  });

  // NOTE (torch2424): This test throws an error, and creates a high Rtrace (RTrace: +16)
  // This test needs to run last, or else will cause issues with aspect
  // Opened an issue here for discussion: https://github.com/jtenner/as-pect/issues/323
  test("Can parse path relative URLs (with parent), will error if too high", () => {
    expect(() => {
      let url = new URL(
        "../../../p/a/t/h?query=string#hash",
        "https://fastly.com/path1/path2"
      );
    }).toThrow();
  });
});