[ADD] tests

scheduler_error_mailer/tests/__init__.py

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+from . import test_scheduler_error_mailer

scheduler_error_mailer/tests/test_scheduler_error_mailer.py

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+# Copyright 2023 Hunki Enterprises BV
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+
+from unittest.mock import patch
+
+from odoo.tests.common import TransactionCase
+
+from odoo.addons.scheduler_error_mailer.hooks import post_init_hook
+
+
+class TestSchedulerErrorMailer(TransactionCase):
+    def setUp(self):
+        super().setUp()
+        self.cron = self.env.ref("scheduler_error_mailer.test_scheduler_error_mailer")
+
+    def test_error_cron(self):
+        with self.assertLogs(
+            "odoo.addons.scheduler_error_mailer.models.ir_cron", "DEBUG"
+        ), patch.object(self.env.cr, "rollback"):
+            self.env["ir.cron"]._handle_callback_exception(
+                self.cron.name,
+                self.cron.ir_actions_server_id.id,
+                self.cron.id,
+                Exception("hello world"),
+            )
+
+    def test_init_hook(self):
+        post_init_hook(self.env.cr, self.env.registry)
+        self.assertFalse(
+            self.env["ir.cron"].search([("email_template_id", "=", False)])
+        )