test_blueprint_copy.py

from sanic import Blueprint, Sanic
from sanic.response import text


def test_bp_copy(app: Sanic):
    bp1 = Blueprint("test_bp1", version=1)
    bp1.ctx.test = 1
    assert hasattr(bp1.ctx, "test")

    @bp1.route("/page")
    def handle_request(request):
        return text("Hello world!")

    bp2 = bp1.copy(name="test_bp2", version=2)
    assert id(bp1) != id(bp2)
    assert bp1._apps == bp2._apps == set()
    assert not hasattr(bp2.ctx, "test")
    assert len(bp2._future_exceptions) == len(bp1._future_exceptions)
    assert len(bp2._future_listeners) == len(bp1._future_listeners)
    assert len(bp2._future_middleware) == len(bp1._future_middleware)
    assert len(bp2._future_routes) == len(bp1._future_routes)
    assert len(bp2._future_signals) == len(bp1._future_signals)

    app.blueprint(bp1)
    app.blueprint(bp2)

    bp3 = bp1.copy(name="test_bp3", version=3, with_registration=True)
    assert id(bp1) != id(bp3)
    assert bp1._apps == bp3._apps and bp3._apps
    assert not hasattr(bp3.ctx, "test")

    bp4 = bp1.copy(name="test_bp4", version=4, with_ctx=True)
    assert id(bp1) != id(bp4)
    assert bp4.ctx.test == 1

    bp5 = bp1.copy(name="test_bp5", version=5, with_registration=False)
    assert id(bp1) != id(bp5)
    assert not bp5._apps
    assert bp1._apps != set()

    app.blueprint(bp5)

    bp6 = bp1.copy(
        name="test_bp6",
        version=6,
        with_registration=True,
        version_prefix="/version",
    )
    assert bp6._apps
    assert bp6.version_prefix == "/version"

    _, response = app.test_client.get("/v1/page")
    assert "Hello world!" in response.text

    _, response = app.test_client.get("/v2/page")
    assert "Hello world!" in response.text

    _, response = app.test_client.get("/v3/page")
    assert "Hello world!" in response.text

    _, response = app.test_client.get("/v4/page")
    assert "Hello world!" in response.text

    _, response = app.test_client.get("/v5/page")
    assert "Hello world!" in response.text

    _, response = app.test_client.get("/version6/page")
    assert "Hello world!" in response.text