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Add contains test #2043

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Add contains test #2043

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d109d66
Add contains test
DCAuto Oct 24, 2024
3837417
Add test for contains
DCAuto Oct 24, 2024
b041a57
update version number for test
DCAuto Oct 24, 2024
848e9de
fixed updates on wrong line
DCAuto Oct 24, 2024
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10 changes: 10 additions & 0 deletions src/jinja2/tests.py
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Original file line number Diff line number Diff line change
Expand Up @@ -213,6 +213,15 @@ def test_in(value: t.Any, seq: t.Container[t.Any]) -> bool:
return value in seq


def test_contains(value: t.Any, seq: t.Container[t.Any]) -> bool:
"""Check if value is in seq.
Opposite of the 'in' test, allowing use as a test in filters like 'selectattr'

.. versionadded:: 3.1.5
"""
return seq in value


TESTS = {
"odd": test_odd,
"even": test_even,
Expand All @@ -238,6 +247,7 @@ def test_in(value: t.Any, seq: t.Container[t.Any]) -> bool:
"sameas": test_sameas,
"escaped": test_escaped,
"in": test_in,
"contains": test_contains,
"==": operator.eq,
"eq": operator.eq,
"equalto": operator.eq,
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16 changes: 16 additions & 0 deletions tests/test_tests.py
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Expand Up @@ -209,6 +209,22 @@ def test_in(self, env):
)
assert tmpl.render() == "True|True|False|True|False|True|False|True|False"

def test_contains(self, env):
tmpl = env.from_string(
'{{ "foo" is contains "o" }}|'
'{{ "foo" is contains "foo" }}|'
'{{ "foo" is contains "b" }}|'
"{{ ((1, 2)) is contains 1 }}|"
"{{ ((1, 2)) is contains 3 }}|"
"{{ [1, 2] is contains 1 }}|"
"{{ [1, 2] is contains 3 }}|"
'{{ {"foo": 1} is contains "foo" }}|'
'{{ {"bar": 1} is contains "baz" }}|'
'{{ [{"foo": "bar"}, {"foo": "fighter"}] | '
'selectattr("foo", "contains", "ba") | list | length }}'
)
assert tmpl.render() == "True|True|False|True|False|True|False|True|False|1"


def test_name_undefined(env):
with pytest.raises(TemplateAssertionError, match="No test named 'f'"):
Expand Down