blueprints.py 文件源码

def test_template_test(self):
        bp = flask.Blueprint('bp', __name__)
        @bp.app_template_test()
        def is_boolean(value):
            return isinstance(value, bool)
        app = flask.Flask(__name__)
        app.register_blueprint(bp, url_prefix='/py')
        self.assert_in('is_boolean', app.jinja_env.tests.keys())
        self.assert_equal(app.jinja_env.tests['is_boolean'], is_boolean)
        self.assert_true(app.jinja_env.tests['is_boolean'](False))