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"""Tests for the diagnostic helpers in :mod:`edify.builder.diagnose`."""
import pytest
from edify import Pattern, RegexBuilder
from edify.errors.comparison import CannotCompareUnfinishedBuilderError
def test_two_finished_builders_compare_equal_without_diagnostic():
left = RegexBuilder().digit()
right = RegexBuilder().digit()
assert left == right
def test_open_group_frame_names_group_in_the_problem_description():
unfinished = RegexBuilder().group().digit()
with pytest.raises(CannotCompareUnfinishedBuilderError) as excinfo:
_ = unfinished == RegexBuilder()
text = str(excinfo.value)
assert "open `group()`" in text
def test_open_capture_frame_names_capture_in_the_problem_description():
unfinished = RegexBuilder().capture().digit()
with pytest.raises(CannotCompareUnfinishedBuilderError) as excinfo:
_ = unfinished == RegexBuilder()
text = str(excinfo.value)
assert "open `capture()`" in text
def test_open_named_capture_frame_names_the_name_in_the_problem_description():
unfinished = RegexBuilder().named_capture("year").digit()
with pytest.raises(CannotCompareUnfinishedBuilderError) as excinfo:
_ = unfinished == RegexBuilder()
text = str(excinfo.value)
assert 'named_capture("year")' in text
def test_open_assert_ahead_frame_names_lookahead():
unfinished = RegexBuilder().assert_ahead().digit()
with pytest.raises(CannotCompareUnfinishedBuilderError) as excinfo:
_ = unfinished == RegexBuilder()
text = str(excinfo.value)
assert "assert_ahead()" in text
def test_open_assert_not_ahead_frame_names_negative_lookahead():
unfinished = RegexBuilder().assert_not_ahead().digit()
with pytest.raises(CannotCompareUnfinishedBuilderError) as excinfo:
_ = unfinished == RegexBuilder()
text = str(excinfo.value)
assert "assert_not_ahead()" in text
def test_open_assert_behind_frame_names_lookbehind():
unfinished = RegexBuilder().assert_behind().digit()
with pytest.raises(CannotCompareUnfinishedBuilderError) as excinfo:
_ = unfinished == RegexBuilder()
text = str(excinfo.value)
assert "assert_behind()" in text
def test_open_assert_not_behind_frame_names_negative_lookbehind():
unfinished = RegexBuilder().assert_not_behind().digit()
with pytest.raises(CannotCompareUnfinishedBuilderError) as excinfo:
_ = unfinished == RegexBuilder()
text = str(excinfo.value)
assert "assert_not_behind()" in text
def test_dangling_quantifier_on_pattern_reports_quantifier_name():
unfinished_pattern = Pattern().one_or_more()
with pytest.raises(CannotCompareUnfinishedBuilderError) as excinfo:
_ = unfinished_pattern == Pattern()
text = str(excinfo.value)
assert "pending `.one_or_more()`" in text
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