[8.0] printer_tray: Add unit tests (#64)

* [ADD] printer_tray: Add unit tests

* [FIX] Fixed lint errors

printer_tray/tests/test_printing_tray.py

@@ -0,0 +1,50 @@
+# -*- coding: utf-8 -*-
+# Copyright 2016 LasLabs Inc.
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+
+from openerp.tests.common import TransactionCase
+
+
+model = 'openerp.addons.base_report_to_printer.printing'
+
+
+class TestPrintingTray(TransactionCase):
+
+    def setUp(self):
+        super(TestPrintingTray, self).setUp()
+        self.Model = self.env['printing.tray']
+        self.printer = self.env['printing.printer'].create({
+            'name': 'Printer',
+            'system_name': 'Sys Name',
+            'default': True,
+            'status': 'unknown',
+            'status_message': 'Msg',
+            'model': 'res.users',
+            'location': 'Location',
+            'uri': 'URI',
+        })
+        self.tray_vals = {
+            'name': 'Tray',
+            'system_name': 'TrayName',
+            'printer_id': self.printer.id,
+        }
+
+    def new_tray(self):
+        return self.env['printing.tray'].create(self.tray_vals)
+
+    def test_report_behaviour(self):
+        """ It should add the selected tray in the report data """
+        ir_report = self.env['ir.actions.report.xml'].search([], limit=1)
+        report = self.env['printing.report.xml.action'].create({
+            'user_id': self.env.user.id,
+            'report_id': ir_report.id,
+            'action': 'server',
+        })
+        report.printer_tray_id = False
+        behaviour = report.behaviour()
+        self.assertEqual(behaviour['tray'], False)
+
+        # Check that we have te right value
+        report.printer_tray_id = self.new_tray()
+        behaviour = report.behaviour()
+        self.assertEqual(behaviour['tray'], report.printer_tray_id.system_name)