test_template_filter() — flask Function Reference

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

Function python ApplicationCore ExtensionRegistry

Entity Profile

ApplicationCore→ ExtensionRegistry→ test_template_filter() — flask Function Reference

Dependency Diagram

graph TD
  904a4ed1_cecb_067c_2cc3_f938a09a9323["test_template_filter()"]
  b3595fee_7041_96b0_f59f_4080381c7deb["test_templating.py"]
  904a4ed1_cecb_067c_2cc3_f938a09a9323 -->|defined in| b3595fee_7041_96b0_f59f_4080381c7deb
  style 904a4ed1_cecb_067c_2cc3_f938a09a9323 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

tests/test_templating.py lines 123–154

def test_template_filter(app):
    @app.template_filter()
    def my_reverse(s):
        return s[::-1]

    assert "my_reverse" in app.jinja_env.filters.keys()
    assert app.jinja_env.filters["my_reverse"] == my_reverse
    assert app.jinja_env.filters["my_reverse"]("abcd") == "dcba"

    @app.template_filter
    def my_reverse_2(s):
        return s[::-1]

    assert "my_reverse_2" in app.jinja_env.filters.keys()
    assert app.jinja_env.filters["my_reverse_2"] == my_reverse_2
    assert app.jinja_env.filters["my_reverse_2"]("abcd") == "dcba"

    @app.template_filter("my_reverse_custom_name_3")
    def my_reverse_3(s):
        return s[::-1]

    assert "my_reverse_custom_name_3" in app.jinja_env.filters.keys()
    assert app.jinja_env.filters["my_reverse_custom_name_3"] == my_reverse_3
    assert app.jinja_env.filters["my_reverse_custom_name_3"]("abcd") == "dcba"

    @app.template_filter(name="my_reverse_custom_name_4")
    def my_reverse_4(s):
        return s[::-1]

    assert "my_reverse_custom_name_4" in app.jinja_env.filters.keys()
    assert app.jinja_env.filters["my_reverse_custom_name_4"] == my_reverse_4
    assert app.jinja_env.filters["my_reverse_custom_name_4"]("abcd") == "dcba"