test_appctx.py — flask Source File

Source Code

import pytest

import flask
from flask.globals import app_ctx


def test_basic_url_generation(app):
    app.config["SERVER_NAME"] = "localhost"
    app.config["PREFERRED_URL_SCHEME"] = "https"

    @app.route("/")
    def index():
        pass

    with app.app_context():
        rv = flask.url_for("index")
        assert rv == "https://localhost/"


def test_url_generation_requires_server_name(app):
    with app.app_context():
        with pytest.raises(RuntimeError):
            flask.url_for("index")


def test_url_generation_without_context_fails():
    with pytest.raises(RuntimeError):
        flask.url_for("index")


def test_request_context_means_app_context(app):
    with app.test_request_context():
        assert flask.current_app._get_current_object() is app
    assert not flask.current_app


def test_app_context_provides_current_app(app):
    with app.app_context():
        assert flask.current_app._get_current_object() is app
    assert not flask.current_app


def test_app_tearing_down(app):
    cleanup_stuff = []

    @app.teardown_appcontext
    def cleanup(exception):
        cleanup_stuff.append(exception)

    with app.app_context():
        pass

    assert cleanup_stuff == [None]


def test_app_tearing_down_with_previous_exception(app):
    cleanup_stuff = []

    @app.teardown_appcontext
    def cleanup(exception):
// ... (151 more lines)