How to use the httpx.URL function in httpx

async def test_fragment_redirect():
    client = Client(dispatch=MockDispatch())
    response = await client.get("https://example.org/relative_redirect#fragment")
    assert response.status_code == codes.OK
    assert response.url == URL("https://example.org/#fragment")
    assert len(response.history) == 1

def test_url():
    url = URL("https://example.org:123/path/to/somewhere?abc=123#anchor")
    assert url.scheme == "https"
    assert url.host == "example.org"
    assert url.port == 123
    assert url.authority == "example.org:123"
    assert url.path == "/path/to/somewhere"
    assert url.query == "abc=123"
    assert url.fragment == "anchor"
    assert (
        repr(url) == "URL('https://example.org:123/path/to/somewhere?abc=123#anchor')"
    )

    new = url.copy_with(scheme="http")
    assert new == URL("http://example.org:123/path/to/somewhere?abc=123#anchor")
    assert new.scheme == "http"

async def test_disallow_redirects():
    client = Client(dispatch=MockDispatch())
    response = await client.post(
        "https://example.org/redirect_303", allow_redirects=False
    )
    assert response.status_code == codes.SEE_OTHER
    assert response.url == URL("https://example.org/redirect_303")
    assert response.is_redirect is True
    assert len(response.history) == 0

    response = await response.next()
    assert response.status_code == codes.OK
    assert response.url == URL("https://example.org/")
    assert response.is_redirect is False
    assert len(response.history) == 1

async def test_cross_subdomain_redirect():
    client = Client(dispatch=MockDispatch())
    url = "https://example.com/cross_subdomain"
    response = await client.get(url)
    assert response.url == URL("https://www.example.org/cross_subdomain")

async def test_relative_redirect():
    client = Client(dispatch=MockDispatch())
    response = await client.get("https://example.org/relative_redirect")
    assert response.status_code == codes.OK
    assert response.url == URL("https://example.org/")
    assert len(response.history) == 1

def test_url_eq_str():
    url = URL("https://example.org:123/path/to/somewhere?abc=123#anchor")
    assert url == "https://example.org:123/path/to/somewhere?abc=123#anchor"
    assert str(url) == url

def test_url_full_path_setter():
    url = URL("http://example.org")

    url.full_path = "http://example.net"
    assert url.full_path == "http://example.net"

def test_url_join():
    """
    Some basic URL joining tests.
    """
    url = URL("https://example.org:123/path/to/somewhere")
    assert url.join("/somewhere-else") == "https://example.org:123/somewhere-else"
    assert (
        url.join("somewhere-else") == "https://example.org:123/path/to/somewhere-else"
    )
    assert (
        url.join("../somewhere-else") == "https://example.org:123/path/somewhere-else"
    )
    assert url.join("../../somewhere-else") == "https://example.org:123/somewhere-else"

async def test_body_redirect():
    """
    A 308 redirect should preserve the request body.
    """
    client = Client(dispatch=MockDispatch())
    url = "https://example.org/redirect_body"
    data = b"Example request body"
    response = await client.post(url, data=data)
    assert response.url == URL("https://example.org/redirect_body_target")
    assert response.json()["body"] == "Example request body"
    assert "content-length" in response.json()["headers"]

async def auth_call(self, request, get_response, has_method=True):
    content = await request.read()

    if has_method:
        url, headers, body = self.prepare(
            request.method, str(request.url), request.headers, content)
    else:
        url, headers, body = self.prepare(
            str(request.url), request.headers, content)

    request.url = URL(url)
    request.headers.update(headers)
    if body:
        body = to_bytes(body)
        if body != content:
            request.is_streaming = False
            request.content = body
    return await get_response(request)