File: test_app_factory.py

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flask-babel 4.1.0-3
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import flask
import flask_babel as babel


def test_app_factory():
    b = babel.Babel()

    def locale_selector():
        return "de_DE"

    def create_app():
        app_ = flask.Flask(__name__)
        b.init_app(app_, default_locale="en_US", locale_selector=locale_selector)
        return app_

    app = create_app()
    with app.test_request_context():
        assert str(babel.get_locale()) == "de_DE"
        assert babel.gettext("Hello %(name)s!", name="Peter") == "Hallo Peter!"