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"""Tests for anchor conflicts when subexpressions merge with ``ignore_start_and_end=False``."""
import pytest
from edify import RegexBuilder
from edify.errors.anchors import EndInputAlreadyDefinedError, StartInputAlreadyDefinedError
def test_parent_with_start_merging_sub_with_start_raises():
sub = RegexBuilder().start_of_input().digit()
parent = RegexBuilder().start_of_input().digit()
with pytest.raises(StartInputAlreadyDefinedError):
parent.subexpression(sub, ignore_start_and_end=False)
def test_parent_with_end_merging_sub_with_end_raises():
sub = RegexBuilder().digit().end_of_input()
parent = RegexBuilder().digit().end_of_input()
with pytest.raises(EndInputAlreadyDefinedError):
parent.subexpression(sub, ignore_start_and_end=False)
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