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"""Tests for the module-level character-class :class:`Pattern` constants."""
import pytest
from edify import (
ALPHANUMERIC,
ANY_CHAR,
CARRIAGE_RETURN,
DIGIT,
LETTER,
LOWERCASE,
NEW_LINE,
NON_DIGIT,
NON_WHITESPACE,
NON_WORD,
NULL_BYTE,
TAB,
UPPERCASE,
WHITESPACE,
WORD,
Pattern,
)
@pytest.mark.parametrize(
("constant", "expected"),
[
(ANY_CHAR, "."),
(WHITESPACE, "\\s"),
(NON_WHITESPACE, "\\S"),
(DIGIT, "\\d"),
(NON_DIGIT, "\\D"),
(WORD, "\\w"),
(NON_WORD, "\\W"),
(NEW_LINE, "\\n"),
(CARRIAGE_RETURN, "\\r"),
(TAB, "\\t"),
(NULL_BYTE, "\\0"),
(LETTER, "[a-zA-Z]"),
(UPPERCASE, "[A-Z]"),
(LOWERCASE, "[a-z]"),
(ALPHANUMERIC, "[a-zA-Z0-9]"),
],
)
def test_character_class_constant_compiles_to_expected_regex(constant, expected):
assert constant.to_regex_string() == expected
@pytest.mark.parametrize(
"constant",
[
ANY_CHAR,
WHITESPACE,
NON_WHITESPACE,
DIGIT,
NON_DIGIT,
WORD,
NON_WORD,
NEW_LINE,
CARRIAGE_RETURN,
TAB,
NULL_BYTE,
LETTER,
UPPERCASE,
LOWERCASE,
ALPHANUMERIC,
],
)
def test_character_class_constant_is_a_pattern(constant):
assert isinstance(constant, Pattern)
@pytest.mark.parametrize(
("constant", "hit_input", "miss_input"),
[
(LETTER, "A", "4"),
(LETTER, "z", " "),
(UPPERCASE, "Q", "q"),
(LOWERCASE, "q", "Q"),
(ALPHANUMERIC, "4", " "),
(ALPHANUMERIC, "A", "!"),
],
)
def test_convenience_char_class_constant_matches_expected_characters(
constant, hit_input, miss_input
):
assert constant.test(hit_input) is True
assert constant.test(miss_input) is False
|
