feat: Introduce bot-descarga service for PDF downloads and remote bot control. Add Docker configuration, environment variables, and a GUI for agent management. Enhance README with bot details and installation instructions.

bots/bot_descarga/tests/test_excel_reader.py

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+from __future__ import annotations
+
+import tempfile
+from pathlib import Path
+
+from openpyxl import Workbook
+
+from bot_descarga.infrastructure.excel_reader import ExcelReader, limpiar_nombre_carpeta
+
+
+def _make_excel(rows, path: Path) -> Path:
+    wb = Workbook()
+    ws = wb.active
+    for row in rows:
+        ws.append(row)
+    wb.save(path)
+    return path
+
+
+def test_limpiar_nombre_carpeta_caracteres_invalidos():
+    assert limpiar_nombre_carpeta(r"900/123:456") == "900_123_456"
+    assert limpiar_nombre_carpeta("   ") == "SIN_NIT"
+    assert limpiar_nombre_carpeta("") == "SIN_NIT"
+
+
+def test_excel_reader_lee_radicados_y_nit():
+    with tempfile.TemporaryDirectory() as tmp:
+        path = Path(tmp) / "datos.xlsx"
+        _make_excel(
+            [
+                ["Radicado", "NIT"],
+                ["100001", "900111222"],
+                ["100002", "900111222"],
+                ["100003", None],
+                ["", "800"],
+            ],
+            path,
+        )
+        records = ExcelReader().read(str(path))
+
+    assert len(records) == 3
+    assert records[0].radicado == "100001"
+    assert records[0].nit == "900111222"
+    assert records[2].nit == "SIN_NIT"
+
+
+def test_excel_reader_omite_encabezados_variantes():
+    with tempfile.TemporaryDirectory() as tmp:
+        path = Path(tmp) / "datos.xlsx"
+        _make_excel(
+            [
+                ["proceso", "nit"],
+                ["número", "nit"],
+                ["555", "1"],
+            ],
+            path,
+        )
+        records = ExcelReader().read(str(path))
+
+    assert len(records) == 1
+    assert records[0].radicado == "555"