feat: msgspec schemas for jsonl decoding (#37)

tests/test_claude_schema.py

@@ -0,0 +1,41 @@
+from __future__ import annotations
+
+from pathlib import Path
+
+import pytest
+
+from takopi.schemas import claude as claude_schema
+
+
+def _fixture_path(name: str) -> Path:
+    return Path(__file__).parent / "fixtures" / name
+
+
+def _decode_fixture(name: str) -> list[str]:
+    path = _fixture_path(name)
+    errors: list[str] = []
+
+    for lineno, line in enumerate(path.read_bytes().splitlines(), 1):
+        if not line.strip():
+            continue
+        try:
+            decoded = claude_schema.decode_stream_json_line(line)
+        except Exception as exc:
+            errors.append(f"line {lineno}: {exc.__class__.__name__}: {exc}")
+            continue
+
+        _ = decoded
+
+    return errors
+
+
+@pytest.mark.parametrize(
+    "fixture",
+    [
+        "claude_streamjson_session.jsonl",
+    ],
+)
+def test_claude_schema_parses_fixture(fixture: str) -> None:
+    errors = _decode_fixture(fixture)
+
+    assert not errors, f"{fixture} had {len(errors)} errors: " + "; ".join(errors[:5])