test_custom_template_loader() — flask Function Reference

Architecture documentation for the test_custom_template_loader() function in test_templating.py from the flask codebase.

Function python ApplicationCore AppLifeCycle calls 1

Entity Profile

ApplicationCore→ AppLifeCycle→ test_custom_template_loader() — flask Function Reference

Dependency Diagram

graph TD
  a8cf55e4_82fc_7cdd_ba60_843337b6995e["test_custom_template_loader()"]
  b3595fee_7041_96b0_f59f_4080381c7deb["test_templating.py"]
  a8cf55e4_82fc_7cdd_ba60_843337b6995e -->|defined in| b3595fee_7041_96b0_f59f_4080381c7deb
  c3831cf4_d4fe_cd61_003e_fccb89c04351["create_global_jinja_loader()"]
  a8cf55e4_82fc_7cdd_ba60_843337b6995e -->|calls| c3831cf4_d4fe_cd61_003e_fccb89c04351
  style a8cf55e4_82fc_7cdd_ba60_843337b6995e fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

tests/test_templating.py lines 405–420

def test_custom_template_loader(client):
    class MyFlask(flask.Flask):
        def create_global_jinja_loader(self):
            from jinja2 import DictLoader

            return DictLoader({"index.html": "Hello Custom World!"})

    app = MyFlask(__name__)

    @app.route("/")
    def index():
        return flask.render_template("index.html")

    c = app.test_client()
    rv = c.get("/")
    assert rv.data == b"Hello Custom World!"