test_wsgi_errors_stream() — flask Function Reference

Architecture documentation for the test_wsgi_errors_stream() function in test_logging.py from the flask codebase.

Function python ApplicationCore AppLifeCycle

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ApplicationCore→ AppLifeCycle→ test_wsgi_errors_stream() — flask Function Reference

Dependency Diagram

graph TD
  c7589c4a_e713_030c_83d9_cccb120ca758["test_wsgi_errors_stream()"]
  15728ce1_f012_a726_8605_c127320eeec1["test_logging.py"]
  c7589c4a_e713_030c_83d9_cccb120ca758 -->|defined in| 15728ce1_f012_a726_8605_c127320eeec1
  style c7589c4a_e713_030c_83d9_cccb120ca758 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

tests/test_logging.py lines 54–67

def test_wsgi_errors_stream(app, client):
    @app.route("/")
    def index():
        app.logger.error("test")
        return ""

    stream = StringIO()
    client.get("/", errors_stream=stream)
    assert "ERROR in test_logging: test" in stream.getvalue()

    assert wsgi_errors_stream._get_current_object() is sys.stderr

    with app.test_request_context(errors_stream=stream):
        assert wsgi_errors_stream._get_current_object() is stream