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"""Discipline test — the builder exposes exactly the five closed match verbs."""
import pytest
from edify import Pattern, RegexBuilder
_ALLOWED_MATCH_VERBS = frozenset({"test", "match", "search", "findall", "sub"})
_FORBIDDEN_MATCH_VERBS = frozenset({"fullmatch", "finditer", "subn", "split"})
_FORBIDDEN_RE_PATTERN_ATTRS = frozenset({"groups", "groupindex", "pattern", "flags"})
@pytest.mark.parametrize("factory", [RegexBuilder, Pattern])
def test_builder_exposes_every_allowed_match_verb(factory: type[RegexBuilder | Pattern]):
builder = factory()
for verb in _ALLOWED_MATCH_VERBS:
assert callable(getattr(builder, verb)), f"missing verb: {verb}"
@pytest.mark.parametrize("factory", [RegexBuilder, Pattern])
def test_builder_does_not_expose_any_forbidden_match_verb(factory: type[RegexBuilder | Pattern]):
builder = factory()
for verb in _FORBIDDEN_MATCH_VERBS:
assert not hasattr(builder, verb), (
f"builder must not expose re.Pattern verb {verb!r}; "
"use .to_regex() and call it on the Regex wrapper instead"
)
@pytest.mark.parametrize("factory", [RegexBuilder, Pattern])
def test_builder_does_not_expose_re_pattern_metadata_attributes(
factory: type[RegexBuilder | Pattern],
):
builder = factory()
for attribute in _FORBIDDEN_RE_PATTERN_ATTRS:
assert not hasattr(builder, attribute), (
f"builder must not expose re.Pattern attribute {attribute!r}"
)
def test_regex_wrapper_exposes_every_re_pattern_verb():
regex = RegexBuilder().string("a").to_regex()
re_pattern_verbs = (_ALLOWED_MATCH_VERBS | _FORBIDDEN_MATCH_VERBS) - {"test"}
for verb in re_pattern_verbs:
assert callable(getattr(regex, verb)), f"Regex wrapper missing verb: {verb}"
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