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from pre_commit_hooks import fix_byte_order_marker
def test_failure(tmpdir):
f = tmpdir.join('f.txt')
f.write_text('ohai', encoding='utf-8-sig')
assert fix_byte_order_marker.main((str(f),)) == 1
def test_success(tmpdir):
f = tmpdir.join('f.txt')
f.write_text('ohai', encoding='utf-8')
assert fix_byte_order_marker.main((str(f),)) == 0
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