feat(fusion_accounting_followup): LLM text cache model

Made-with: Cursor

fusion_accounting_followup/tests/__init__.py

@@ -5,3 +5,4 @@ from . import test_tone_selector
 from . import test_followup_text_generator
 from . import test_fusion_followup_level
 from . import test_fusion_followup_run
+from . import test_fusion_followup_text_cache

fusion_accounting_followup/tests/test_fusion_followup_text_cache.py

@@ -0,0 +1,60 @@
+from odoo.tests.common import TransactionCase
+from odoo.tests import tagged
+
+
+@tagged('post_install', '-at_install')
+class TestFusionFollowupTextCache(TransactionCase):
+
+    @classmethod
+    def setUpClass(cls):
+        super().setUpClass()
+        cls.partner = cls.env['res.partner'].create({'name': 'Cache Test Partner'})
+        cls.level = cls.env['fusion.followup.level'].create({
+            'name': 'Reminder', 'sequence': 401, 'delay_days': 7, 'tone': 'gentle',
+        })
+        cls.cache = cls.env['fusion.followup.text.cache']
+
+    def _kwargs(self, **overrides):
+        base = dict(
+            partner_id=self.partner.id, level_id=self.level.id,
+            overdue_amount=1234.56, longest_overdue_days=10,
+            invoice_count=3, tone='gentle',
+        )
+        base.update(overrides)
+        return base
+
+    def test_fingerprint_stable_and_unique(self):
+        fp1 = self.cache.compute_fingerprint(**self._kwargs())
+        fp2 = self.cache.compute_fingerprint(**self._kwargs())
+        fp3 = self.cache.compute_fingerprint(**self._kwargs(tone='firm'))
+        self.assertEqual(fp1, fp2)
+        self.assertNotEqual(fp1, fp3)
+        self.assertEqual(len(fp1), 64)
+
+    def test_lookup_returns_empty_when_missing(self):
+        result = self.cache.lookup(**self._kwargs())
+        self.assertFalse(result)
+
+    def test_lookup_finds_cached_entry(self):
+        kwargs = self._kwargs()
+        fp = self.cache.compute_fingerprint(**kwargs)
+        entry = self.cache.create({
+            'partner_id': self.partner.id,
+            'level_id': self.level.id,
+            'fingerprint': fp,
+            'subject': 'Hi',
+            'body': 'Please pay.',
+            'tone_used': 'gentle',
+        })
+        found = self.cache.lookup(**kwargs)
+        self.assertEqual(found.id, entry.id)
+
+    def test_action_increment_use(self):
+        entry = self.cache.create({
+            'partner_id': self.partner.id,
+            'fingerprint': 'abc123',
+        })
+        self.assertEqual(entry.use_count, 0)
+        entry.action_increment_use()
+        entry.action_increment_use()
+        self.assertEqual(entry.use_count, 2)