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parso/test/test_absolute_import.py
2017-05-11 09:43:37 -04:00

30 lines
865 B
Python

"""
Tests ``from __future__ import absolute_import`` (only important for
Python 2.X)
"""
from parso.python import parse
def test_explicit_absolute_imports():
"""
Detect modules with ``from __future__ import absolute_import``.
"""
module = parse("from __future__ import absolute_import")
assert module.has_explicit_absolute_import()
def test_no_explicit_absolute_imports():
"""
Detect modules without ``from __future__ import absolute_import``.
"""
assert not parse("1").has_explicit_absolute_import()
def test_dont_break_imports_without_namespaces():
"""
The code checking for ``from __future__ import absolute_import`` shouldn't
assume that all imports have non-``None`` namespaces.
"""
src = "from __future__ import absolute_import\nimport xyzzy"
assert parse(src).has_explicit_absolute_import()