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diff --git a/addons/mrp/tests/test_oee.py b/addons/mrp/tests/test_oee.py
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+++ b/addons/mrp/tests/test_oee.py
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+# -*- coding: utf-8 -*-
+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+
+from datetime import datetime, timedelta, time
+from pytz import timezone, utc
+
+from odoo import fields
+from odoo.addons.mrp.tests.common import TestMrpCommon
+
+
+class TestOee(TestMrpCommon):
+    def create_productivity_line(self, loss_reason, date_start=False, date_end=False):
+        return self.env['mrp.workcenter.productivity'].create({
+            'workcenter_id': self.workcenter_1.id,
+            'date_start': date_start,
+            'date_end': date_end,
+            'loss_id': loss_reason.id,
+            'description': loss_reason.name
+        })
+
+    def test_wrokcenter_oee(self):
+        """  Test case workcenter oee. """
+        day = datetime.date(datetime.today())
+        # Make the test work the weekend. It will fails due to workcenter working hours.
+        if day.weekday() in (5, 6):
+            day -= timedelta(days=2)
+
+        tz = timezone(self.workcenter_1.resource_calendar_id.tz)
+
+        def time_to_string_utc_datetime(time):
+            return fields.Datetime.to_string(
+                tz.localize(datetime.combine(day, time)).astimezone(utc)
+            )
+
+        start_time = time_to_string_utc_datetime(time(10, 43, 22))
+        end_time = time_to_string_utc_datetime(time(10, 56, 22))
+        # Productive time duration (13 min)
+        self.create_productivity_line(self.env.ref('mrp.block_reason7'), start_time, end_time)
+
+        # Material Availability time duration (1.52 min)
+        # Check working state is blocked or not.
+        start_time = time_to_string_utc_datetime(time(10, 47, 8))
+        workcenter_productivity_1 = self.create_productivity_line(self.env.ref('mrp.block_reason0'), start_time)
+        self.assertEqual(self.workcenter_1.working_state, 'blocked', "Wrong working state of workcenter.")
+
+        # Check working state is normal or not.
+        end_time = time_to_string_utc_datetime(time(10, 48, 39))
+        workcenter_productivity_1.write({'date_end': end_time})
+        self.assertEqual(self.workcenter_1.working_state, 'normal', "Wrong working state of workcenter.")
+
+        # Process Defect time duration (1.33 min)
+        start_time = time_to_string_utc_datetime(time(10, 48, 38))
+        end_time = time_to_string_utc_datetime(time(10, 49, 58))
+        self.create_productivity_line(self.env.ref('mrp.block_reason5'), start_time, end_time)
+        # Reduced Speed time duration (3.0 min)
+        start_time = time_to_string_utc_datetime(time(10, 50, 22))
+        end_time = time_to_string_utc_datetime(time(10, 53, 22))
+        self.create_productivity_line(self.env.ref('mrp.block_reason4'), start_time, end_time)
+
+        # Block time : ( Process Defact (1.33 min) + Reduced Speed (3.0 min) + Material Availability (1.52 min)) = 5.85 min
+        blocked_time_in_hour = round(((1.33 + 3.0 + 1.52) / 60.0), 2)
+        # Productive time : Productive time duration (13 min)
+        productive_time_in_hour = round((13.0 / 60.0), 2)
+
+        # Check blocked time and productive time
+        self.assertEqual(self.workcenter_1.blocked_time, blocked_time_in_hour, "Wrong block time on workcenter.")
+        self.assertEqual(self.workcenter_1.productive_time, productive_time_in_hour, "Wrong productive time on workcenter.")
+
+        # Check overall equipment effectiveness
+        computed_oee = round(((productive_time_in_hour * 100.0)/(productive_time_in_hour + blocked_time_in_hour)), 2)
+        self.assertEqual(self.workcenter_1.oee, computed_oee, "Wrong oee on workcenter.")