};

    assertTrue(iter.hasNext());
    assertEquals(0, (int) iter.next());

    // verify idempotence of hasNext()
    assertTrue(iter.hasNext());
    assertTrue(iter.hasNext());
    assertTrue(iter.hasNext());
    assertEquals(1, (int) iter.next());

    assertFalse(iter.hasNext());

    // Make sure computeNext() doesn't get invoked again
    assertFalse(iter.hasNext());

    with client.websocket_connect("/") as websocket:
        data = websocket.receive_text()
        assert data == "Hello, world!"


def test_router():
    client = TestClient(app)
    with client.websocket_connect("/router") as websocket:
        data = websocket.receive_text()
        assert data == "Hello, router!"


def test_prefix_router():
    client = TestClient(app)

client = TestClient(app)


def test_swagger_ui():
    response = client.get("/docs")
    assert response.status_code == 200, response.text
    assert response.headers["content-type"] == "text/html; charset=utf-8"
    assert "swagger-ui-dist" in response.text
    print(client.base_url)
    assert (
        f"oauth2RedirectUrl: window.location.origin + '{swagger_ui_oauth2_redirect_url}'"
        in response.text
    )

    response = client.get("/users/me")
    assert response.status_code == 401, response.text
    assert response.json() == {"detail": "Not authenticated"}
    assert response.headers["WWW-Authenticate"] == "Bearer"


def test_openapi_schema():
    response = client.get("/openapi.json")
    assert response.status_code == 200, response.text
    assert response.json() == {
        "openapi": "3.1.0",

    url = "/items/"
    response = client.get(url)
    assert response.status_code == 200, response.text
    assert response.json() == {"q": ["foo", "bar"]}


def test_multi_query_values(client: TestClient):
    url = "/items/?q=baz&q=foobar"
    response = client.get(url)
    assert response.status_code == 200, response.text
    assert response.json() == {"q": ["baz", "foobar"]}

    response = client.get("/query_example_examples/")
    assert response.status_code == 200, response.text
    response = client.get("/header_example/")
    assert response.status_code == 200, response.text
    response = client.get("/header_examples/")
    assert response.status_code == 200, response.text
    response = client.get("/header_example_examples/")

            "tax": 3.2,
            "tags": ["foo", "bar", "foo"],
            "image": {"url": "http://example.com/image.png", "name": "example image"},
        },
    )
    assert response.status_code == 200, response.text
    assert response.json() == {
        "item_id": 123,
        "item": {
            "name": "Foo",
            "description": "A very nice Item",
            "price": 35.4,
            "tax": 3.2,

    response = client.get("/users/me")
    assert response.status_code == 401, response.text
    assert response.json() == {"detail": "Not authenticated"}
    assert response.headers["WWW-Authenticate"] == "Bearer"


def test_strict_login_no_data():
    response = client.post("/login")
    assert response.status_code == 422
    assert response.json() == {
        "detail": [
            {

    response = client.post("/items/", json={"name": "Plumbus"})
    response2 = client_no.post("/items/", json={"name": "Plumbus"})
    assert response.status_code == response2.status_code == 200, response.text
    assert (
        response.json()
        == response2.json()
        == {"name": "Plumbus", "description": None, "sub": None}
    )


def test_create_item_with_sub():

client = TestClient(app)


def test_get_custom_response():
    response = client.get("/items/")
    assert response.status_code == 200, response.text
    assert response.json() == [{"item_id": "Foo"}]


def test_openapi_schema():
    response = client.get("/openapi.json")
    assert response.status_code == 200, response.text
    assert response.json() == {
        "openapi": "3.1.0",
        "info": {"title": "FastAPI", "version": "0.1.0"},