tests/test_transcript_audit.py

from __future__ import annotations

import unittest

from romani_asr.transcript_audit import (
    TranscriptAuditRow,
    audit_transcripts,
    tokenize_transcript,
    transcript_issue_flags,
)


class TranscriptAuditTests(unittest.TestCase):
    def test_transcript_issue_flags_find_editorial_artifacts(self) -> None:
        flags = transcript_issue_flags("41: barvalo/raňi phen- n´aj (x)")

        self.assertIn("speaker_tag", flags)
        self.assertIn("slash_variant", flags)
        self.assertIn("hyphen", flags)
        self.assertIn("apostrophe_or_accent", flags)
        self.assertIn("parentheses", flags)

    def test_tokenize_transcript_keeps_apostrophe_fragments_together(self) -> None:
        self.assertEqual(tokenize_transcript("n´ajse jakha"), ["n'ajse", "jakha"])

    def test_audit_transcripts_reports_variants_and_split_candidates(self) -> None:
        rows = [
            TranscriptAuditRow(
                id="a",
                manifest="train.csv",
                transcript="sikav o čitro pre savohin e ovoca",
                duration_sec=3.0,
            ),
            TranscriptAuditRow(
                id="b",
                manifest="test.csv",
                transcript="pro savo hin belavo tričkos",
                duration_sec=2.0,
            ),
            TranscriptAuditRow(
                id="c",
                manifest="train.csv",
                transcript="šukar rom",
                duration_sec=1.0,
            ),
            TranscriptAuditRow(
                id="d",
                manifest="train.csv",
                transcript="sukar rom",
                duration_sec=1.0,
            ),
        ]

        audit = audit_transcripts(rows, min_token_variant_count=2)

        token_variant_bases = {
            item["base"] for item in audit["token_variants"]
        }
        split_pairs = {
            (item["merged_token"], item["split_form"])
            for item in audit["merged_split_candidates"]
        }
        self.assertIn("sukar", token_variant_bases)
        self.assertIn(("savohin", "savo hin"), split_pairs)


if __name__ == "__main__":
    unittest.main()