test_missing_session() — flask Function Reference

Architecture documentation for the test_missing_session() function in test_basic.py from the flask codebase.

Function python ApplicationCore ExtensionRegistry

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ApplicationCore→ ExtensionRegistry→ test_missing_session() — flask Function Reference

Dependency Diagram

graph TD
  33a51efe_db53_7332_8f73_b9d09d7e0f81["test_missing_session()"]
  85bc4fb5_d1d7_a135_020d_69e052c12c0f["test_basic.py"]
  33a51efe_db53_7332_8f73_b9d09d7e0f81 -->|defined in| 85bc4fb5_d1d7_a135_020d_69e052c12c0f
  style 33a51efe_db53_7332_8f73_b9d09d7e0f81 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

tests/test_basic.py lines 361–371

def test_missing_session(app):
    app.secret_key = None

    def expect_exception(f, *args, **kwargs):
        e = pytest.raises(RuntimeError, f, *args, **kwargs)
        assert e.value.args and "session is unavailable" in e.value.args[0]

    with app.test_request_context():
        assert flask.session.get("missing_key") is None
        expect_exception(flask.session.__setitem__, "foo", 42)
        expect_exception(flask.session.pop, "foo")