Initial Helpomatica source.

test_preanalysis.py

@@ -0,0 +1,57 @@
+from pathlib import Path
+import tempfile
+
+import log_preanalysis as lp
+
+
+def test_detect_job_and_date() -> None:
+    query = "Разбери заказ 17876 за 2026-08-06: расхождение, Error64, промежутки, частота"
+    assert lp.looks_like_log_job(query, ["line_u_codes.log.1"])
+    assert lp.detect_job_id(query) == "17876"
+    assert lp.detect_shift_date(query) == "2026-08-06"
+    assert lp.detect_shift_date("смена 06.08.2026") == "2026-08-06"
+
+
+def test_stream_scan(tmp_path: Path) -> None:
+    log = tmp_path / "line_u_codes.log.1"
+    lines = [
+        "2026-08-06 08:00:00 [Scanner] job=17876 code=010460406000000021ABC1",
+        "2026-08-06 08:00:01 [PLC] job=17876 Error 12",
+        "2026-08-06 08:05:00 [Scanner] job=17876 Error64 timeout",
+        "2026-08-06 08:05:01 [PLC] Error65",
+        "2026-08-06 10:00:00 [Scanner] last line",
+    ]
+    log.write_text("\n".join(lines) + "\n", encoding="utf-8")
+    percents: list[int] = []
+
+    def on_progress(info: dict) -> None:
+        if info.get("percent") is not None:
+            percents.append(int(info["percent"]))
+
+    report = lp.preanalyze_logs(
+        [(log, "line_u_codes.log.1")],
+        "заказ 17876 2026-08-06 Error64 промежутки частота",
+        on_progress=on_progress,
+    )
+    assert report["job_id"] == "17876"
+    item = report["files"][0]
+    assert item["lines"] == 5
+    assert item["error64"]
+    assert item["error65"]
+    assert item["gaps"]
+    assert item["gaps"][0]["seconds"] >= 30
+    md = report["markdown"]
+    assert "PREANALYSIS" in md
+    assert "Error64" in md
+    text, encoding = lp.excerpt_lines(log, 2, 3)
+    assert encoding == "utf-8"
+    assert "2\t" in text and "Error 12" in text
+    assert percents
+    assert percents[-1] == 100
+
+
+if __name__ == "__main__":
+    test_detect_job_and_date()
+    with tempfile.TemporaryDirectory() as folder:
+        test_stream_scan(Path(folder))
+    print("ok")