initial commit 2

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diff --git a/addons/bus/tests/__init__.py b/addons/bus/tests/__init__.py
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+++ b/addons/bus/tests/__init__.py
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+from . import test_assetsbundle
diff --git a/addons/bus/tests/test_assetsbundle.py b/addons/bus/tests/test_assetsbundle.py
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+++ b/addons/bus/tests/test_assetsbundle.py
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+# -*- coding: utf-8 -*-
+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+import odoo.tests
+from odoo.osv import expression
+
+
+@odoo.tests.tagged('post_install', '-at_install', 'assets_bundle')
+class BusWebTests(odoo.tests.HttpCase):
+
+    def test_bundle_sends_bus(self):
+        """
+        Tests two things:
+        - Messages are posted to the bus when assets change
+          i.e. their hash has been recomputed and differ from the attachment's
+        - The interface deals with those bus messages by displaying one notification
+        """
+        db_name = self.env.registry.db_name
+        bundle_xml_ids = ('web.assets_common', 'web.assets_backend')
+
+        domain = []
+        for bundle in bundle_xml_ids:
+            domain = expression.OR([
+                domain,
+                [('name', 'ilike', bundle + '%')]
+            ])
+        # start from a clean slate
+        self.env['ir.attachment'].search(domain).unlink()
+        self.env.registry._clear_cache()
+
+        sendones = []
+        def patched_sendone(self, channel, message):
+            """
+            Control API and number of messages posted to the bus
+            """
+            sendones.append((channel, message))
+
+        self.patch(type(self.env['bus.bus']), 'sendone', patched_sendone)
+
+        self.start_tour('/web', "bundle_changed_notification", login='admin', timeout=180)
+
+        # One sendone for each asset bundle and for each CSS / JS
+        self.assertEqual(len(sendones), 4)
+        for sent in sendones:
+            channel = sent[0]
+            message = sent[1]
+            self.assertEqual(channel, (db_name, 'bundle_changed'))
+            self.assertEqual(len(message), 2)
+            self.assertTrue(message[0] in bundle_xml_ids)
+            self.assertTrue(isinstance(message[1], str))