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from pathlib import Path
import sys
import pytest
# fix this before pytester.chdir() happens
NOTEBOOKS_FOLDER = Path("tests").absolute()
def test_diff_with_process_substitution_nodiff(pytester: pytest.Pytester):
if sys.platform.startswith("win"):
pytest.skip("test requires proper bash shell")
r = pytester.run(
'bash',
'-c',
f'diff <( nbstripout -t {NOTEBOOKS_FOLDER / "test_diff.ipynb"} ) <( nbstripout -t {NOTEBOOKS_FOLDER / "test_diff_output.ipynb"} )',
)
assert not r.outlines
assert r.ret == 0
def test_diff_with_process_substitution_diff(pytester: pytest.Pytester):
if sys.platform.startswith("win"):
pytest.skip("test requires proper bash shell")
r = pytester.run(
'bash',
'-c',
f'diff <( nbstripout -t {NOTEBOOKS_FOLDER / "test_diff.ipynb"} ) <( nbstripout -t {NOTEBOOKS_FOLDER / "test_diff_different.ipynb"} )',
)
r.stdout.re_match_lines(r"""(.*)
< "print(\"aou\")"
---
(.*\"print\(\\\"aou now it is different\\\"\)\")
""".splitlines())
assert r.ret == 1
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