test_add_template_test() — flask Function Reference

Architecture documentation for the test_add_template_test() function in test_blueprints.py from the flask codebase.

Function python ApplicationCore ExtensionRegistry

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ApplicationCore→ ExtensionRegistry→ test_add_template_test() — flask Function Reference

Dependency Diagram

graph TD
  427dfb14_9d0b_ebdc_5a5e_1ecfbef7a158["test_add_template_test()"]
  4366a441_d387_52f9_ec8d_1c41c71c00a8["test_blueprints.py"]
  427dfb14_9d0b_ebdc_5a5e_1ecfbef7a158 -->|defined in| 4366a441_d387_52f9_ec8d_1c41c71c00a8
  style 427dfb14_9d0b_ebdc_5a5e_1ecfbef7a158 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

tests/test_blueprints.py lines 559–569

def test_add_template_test(app):
    bp = flask.Blueprint("bp", __name__)

    def is_boolean(value):
        return isinstance(value, bool)

    bp.add_app_template_test(is_boolean)
    app.register_blueprint(bp, url_prefix="/py")
    assert "is_boolean" in app.jinja_env.tests.keys()
    assert app.jinja_env.tests["is_boolean"] == is_boolean
    assert app.jinja_env.tests["is_boolean"](False)