Function test_extended_flashing

tests/test_basic.py:600–678

(app)

def test_extended_flashing(app):
    # Be sure app.testing=True below, else tests can fail silently.
    #
    # Specifically, if app.testing is not set to True, the AssertionErrors
    # in the view functions will cause a 500 response to the test client
    # instead of propagating exceptions.

    @app.route("/")
    def index():
        flask.flash("Hello World")
        flask.flash("Hello World", "error")
        flask.flash(Markup("<em>Testing</em>"), "warning")
        return ""

    @app.route("/test/")
    def test():
        messages = flask.get_flashed_messages()
        assert list(messages) == [
            "Hello World",
            "Hello World",
            Markup("<em>Testing</em>"),
        ]
        return ""

    @app.route("/test_with_categories/")
    def test_with_categories():
        messages = flask.get_flashed_messages(with_categories=True)
        assert len(messages) == 3
        assert list(messages) == [
            ("message", "Hello World"),
            ("error", "Hello World"),
            ("warning", Markup("<em>Testing</em>")),
        ]
        return ""

    @app.route("/test_filter/")
    def test_filter():
        messages = flask.get_flashed_messages(
            category_filter=["message"], with_categories=True
        )
        assert list(messages) == [("message", "Hello World")]
        return ""

    @app.route("/test_filters/")
    def test_filters():
        messages = flask.get_flashed_messages(
            category_filter=["message", "warning"], with_categories=True
        )
        assert list(messages) == [
            ("message", "Hello World"),
            ("warning", Markup("<em>Testing</em>")),
        ]
        return ""

    @app.route("/test_filters_without_returning_categories/")
    def test_filters2():
        messages = flask.get_flashed_messages(category_filter=["message", "warning"])
        assert len(messages) == 2