"""Тесты нормализации текста."""

from __future__ import annotations

from stylometry.cleaning import (
    clean_text,
    count_placeholders,
    normalize_placeholders,
    normalize_unicode,
    normalized_key,
)


def test_placeholders_are_replaced() -> None:
    text = "Hello, <PLAYER>! Your <FARM> is nice."
    assert normalize_placeholders(text) == "Hello, PLAYER! Your FARM is nice."
    assert count_placeholders(text) == 2


def test_unknown_placeholder_becomes_entity() -> None:
    assert normalize_placeholders("Look, <UNKNOWN>!") == "Look, ENTITY!"


def test_unicode_normalization() -> None:
    assert normalize_unicode("Oh… really—yes") == "Oh... really-yes"


def test_whitespace_collapse() -> None:
    assert clean_text("  Hello\n\n  world  ") == "Hello world"


def test_normalized_key_ignores_case_and_punctuation() -> None:
    assert normalized_key("Oh, <PLAYER>!") == normalized_key("oh player")