03-oct: superguardado automático

tests/test_correo.py

@@ -0,0 +1,74 @@
+# -*- coding: utf-8 -*-
+"""Tests de `monitor_estado.fuentes.correo` — ventana 24h y solo lectura (RF-2, RF-25)."""
+
+import monitor_estado.fuentes.correo as correo
+
+
+class _Req:
+    def __init__(self, resp):
+        self._resp = resp
+
+    def execute(self):
+        return self._resp
+
+
+class _Messages:
+    def __init__(self):
+        self.queries = []
+        self.gets = []
+        self.modificados = []
+
+    def list(self, userId, q, maxResults):
+        self.queries.append(q)
+        return _Req({"messages": [{"id": "m1"}, {"id": "m2"}]})
+
+    def get(self, userId, id, format, metadataHeaders):
+        self.gets.append(id)
+        return _Req({
+            "snippet": f"resumen de {id}",
+            "payload": {"headers": [
+                {"name": "Subject", "value": f"Asunto {id}"},
+                {"name": "From", "value": "Remitente <r@b.com>"},
+                {"name": "Date", "value": "Sat, 3 Oct 2026 09:00:00 +0200"},
+            ]},
+        })
+
+    def modify(self, **kwargs):  # no debe llamarse nunca (RF-25)
+        self.modificados.append(kwargs)
+        return _Req({})
+
+
+class _Users:
+    def __init__(self):
+        self._m = _Messages()
+
+    def messages(self):
+        return self._m
+
+
+class FakeGmail:
+    def __init__(self):
+        self._u = _Users()
+
+    def users(self):
+        return self._u
+
+
+def test_correo_ventana_24h():
+    gmail = FakeGmail()
+    correos = correo.recoger_recientes(gmail, horas=24)
+    assert len(correos) == 2
+    assert correos[0]["id"] == "m1"
+    assert correos[0]["asunto"] == "Asunto m1"
+    assert "newer_than:1d" in gmail.users().messages().queries[0]
+
+
+def test_correo_no_modifica_estado():
+    gmail = FakeGmail()
+    correo.recoger_recientes(gmail, horas=24)
+    assert gmail.users().messages().modificados == []  # no marca leido (RF-25)
+
+
+def test_render_correo():
+    txt = correo.render_correo({"fecha": "Sat, 3 Oct 2026 09:00:00 +0200", "de": "a@b.com", "asunto": "Hola", "snippet": "cuerpo"})
+    assert "a@b.com" in txt and "Hola" in txt