"""Unit-тесты services/parse.py."""
from services.parse import parse_file, _parse_text


class TestParseText:
    def test_plain(self):
        r = parse_file("test.txt", "строка1\nстрока2\nстрока3".encode())
        assert r["status"] == "parsed"
        assert r["element_count"] == 3

    def test_text_fn(self):
        r = _parse_text(b"a\nb\nc")
        assert r["status"] == "parsed"
        assert r["element_count"] == 3
        assert r["elements"][0]["text"] == "a"

    def test_no_extension_falls_back_to_text(self):
        r = parse_file("noext", b"line1\nline2")
        assert r["status"] == "parsed"
        assert r["element_count"] == 2

    def test_docx_invalid_returns_error(self):
        r = parse_file("test.docx", b"not a real docx")
        assert r["status"] == "error"

    def test_pdf_invalid_returns_error(self):
        r = parse_file("test.pdf", b"not a real pdf")
        assert r["status"] == "error"