# 2019 Eficent Business and IT Consulting Services S.L.
# - Lois Rilo <lois.rilo@eficent.com>
# License LGPL-3.0 or later (https://www.gnu.org/licenses/agpl.html).

from odoo.tests import common


class TestBomTracking(common.SavepointCase):

    @classmethod
    def setUpClass(cls):
        super().setUpClass()

        cls.product_obj = cls.env['product.product']
        cls.bom_obj = cls.env['mrp.bom']
        cls.bom_line_obj = cls.env['mrp.bom.line']

        # Create products:
        cls.product_1 = cls.product_obj.create({
            'name': 'TEST 01',
            'type': 'product',
        })

        cls.component_1 = cls.product_obj.create({
            'name': 'RM 01',
            'type': 'product',
        })
        cls.component_2 = cls.product_obj.create({
            'name': 'RM 02',
            'type': 'product',
        })
        cls.component_2_alt = cls.product_obj.create({
            'name': 'RM 02-B',
            'type': 'product',
        })

        # Create Bills of Materials:
        cls.bom = cls.bom_obj.create({
            'product_tmpl_id': cls.product_1.product_tmpl_id.id,

        })
        cls.line_1 = cls.bom_line_obj.create({
            'product_id': cls.component_1.id,
            'bom_id': cls.bom.id,
            'product_qty': 2.0,
        })
        cls.line_2 = cls.bom_line_obj.create({
            'product_id': cls.component_2.id,
            'bom_id': cls.bom.id,
            'product_qty': 5.0,
        })

    def test_01_change_bom_line_qty(self):
        before = self.bom.message_ids
        self.line_1.product_qty = 3.0
        after = self.bom.message_ids
        self.assertEqual(len(after - before), 1)

    def test_02_change_bom_line_product(self):
        before = self.bom.message_ids
        self.line_2.product_id = self.component_2_alt
        after = self.bom.message_ids
        self.assertEqual(len(after - before), 1)