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_file_manager.py

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+from __future__ import annotations
+
+import tempfile
+from pathlib import Path
+
+from bot_descarga.config.settings import Settings
+from bot_descarga.infrastructure.file_manager import FileManager
+from bot_descarga.infrastructure.pdf_validator import PdfValidator
+
+
+class AlwaysValid:
+    def validate(self, ruta: str):
+        return True, "OK"
+
+
+class AlwaysInvalid:
+    def validate(self, ruta: str):
+        return False, "corrupto"
+
+
+def test_ruta_final_crea_carpeta_nit():
+    with tempfile.TemporaryDirectory() as tmp:
+        fm = FileManager(tmp, AlwaysValid())
+        ruta = fm.ruta_final("900111", "12345")
+        assert Path(ruta).parent.exists()
+        assert Path(ruta).name == "12345.pdf"
+        assert "900111" in ruta
+
+
+def test_exists_valid_cuando_no_existe():
+    with tempfile.TemporaryDirectory() as tmp:
+        fm = FileManager(tmp, AlwaysValid())
+        ok, ruta, motivo = fm.exists_valid("900", "1")
+        assert ok is False
+        assert motivo == "no existe"
+        assert ruta.endswith("1.pdf")
+
+
+def test_exists_valid_cuando_valido():
+    with tempfile.TemporaryDirectory() as tmp:
+        fm = FileManager(tmp, AlwaysValid())
+        ruta = fm.ruta_final("900", "1")
+        Path(ruta).write_bytes(b"%PDF-dummy")
+        ok, _, motivo = fm.exists_valid("900", "1")
+        assert ok is True
+        assert motivo == "OK"
+        assert Path(ruta).exists()
+
+
+def test_exists_valid_elimina_corrupto():
+    with tempfile.TemporaryDirectory() as tmp:
+        fm = FileManager(tmp, AlwaysInvalid())
+        ruta = fm.ruta_final("900", "1")
+        Path(ruta).write_bytes(b"basura")
+        ok, _, motivo = fm.exists_valid("900", "1")
+        assert ok is False
+        assert motivo == "corrupto"
+        assert not Path(ruta).exists()
+
+
+def test_move_to_final():
+    with tempfile.TemporaryDirectory() as tmp:
+        fm = FileManager(tmp, PdfValidator(Settings(peso_minimo_bytes=1)))
+        src = Path(tmp) / "temp.pdf"
+        src.write_bytes(b"%PDF-1.4")
+        dest = fm.ruta_final("NIT1", "R1")
+        fm.move_to_final(str(src), dest)
+        assert Path(dest).exists()
+        assert not src.exists()