[MIG] contract_variable_qty_timesheet: Migration to 12.0

* Standard procedure
* README by fragments
* Promoted to Production/Stable and declared maintainers
* Code adapted to v12
* Tests added

contract_variable_qty_timesheet/tests/__init__.py

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+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+
+from . import test_contract_variable_qty_timesheet

contract_variable_qty_timesheet/tests/test_contract_variable_qty_timesheet.py

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+# Copyright 2019 Tecnativa - Pedro M. Baeza
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+
+from odoo import fields
+from odoo.tests import common
+
+
+class TestContractVariableQtyTimesheet(common.SavepointCase):
+    @classmethod
+    def setUpClass(cls):
+        super().setUpClass()
+        cls.partner = cls.env['res.partner'].create({'name': 'Test partner'})
+        cls.analytic_account = cls.env['account.analytic.account'].create({
+            'name': 'Test analytic account'})
+        cls.contract = cls.env['contract.contract'].create({
+            'name': 'Test contract',
+            'partner_id': cls.partner.id})
+        cls.product = cls.env['product.product'].create({
+            'name': 'Test product'})
+        contract_line_vals = {
+            'contract_id': cls.contract.id,
+            'analytic_account_id': cls.analytic_account.id,
+            'product_id': cls.product.id,
+            'uom_id': cls.product.uom_id.id,
+            'name': 'Test line contract',
+            'recurring_interval': 1,
+            'recurring_rule_type': 'monthly',
+            'recurring_invoicing_type': 'pre-paid',
+            'date_start': '2020-01-01',
+            'recurring_next_date': '2020-01-01',
+            'qty_type': 'variable',
+            'qty_formula_id': cls.env.ref(
+                'contract_variable_qty_timesheet.'
+                'contract_line_qty_formula_project_timesheet').id,
+        }
+        cls.contract_line = cls.env['contract.line'].create(
+            contract_line_vals)
+        cls.project = cls.env['project.project'].create({
+            'name': 'Test project',
+            'analytic_account_id': cls.analytic_account.id,
+        })
+        cls.task = cls.env['project.task'].create({
+            'project_id': cls.project.id,
+            'name': 'Test task',
+        })
+
+    def _contract_invoicing(self, contract):
+        date_ref = fields.Date.from_string('2020-01-01')
+        contract._recurring_create_invoice(date_ref)
+        return contract._get_related_invoices()
+
+    def _create_analytic_line(self, project, task, date, product, unit_amount):
+        return self.env['account.analytic.line'].create({
+            'account_id': self.analytic_account.id,
+            'project_id': project and project.id,
+            'task_id': task and task.id,
+            'name': 'Test %s %s' % (date, unit_amount),
+            'date': date,
+            'product_id': product and product.id,
+            'unit_amount': unit_amount,
+        })
+
+    def test_project_timesheet(self):
+        self._create_analytic_line(
+            self.project, self.task, '2020-01-01', False, 3)
+        self._create_analytic_line(
+            False, False, '2020-01-01', False, 1)
+        invoice = self._contract_invoicing(self.contract)
+        self.assertEqual(len(invoice.invoice_line_ids), 1)
+        self.assertAlmostEqual(invoice.invoice_line_ids.quantity, 3)
+
+    def test_task_timesheet(self):
+        self.contract_line.qty_formula_id = self.env.ref(
+            'contract_variable_qty_timesheet.'
+            'contract_line_qty_formula_task_timesheet'
+        ).id
+        self._create_analytic_line(
+            self.project, self.task, '2020-01-01', False, 3)
+        self._create_analytic_line(
+            self.project, False, '2020-01-01', False, 1)
+        invoice = self._contract_invoicing(self.contract)
+        self.assertEqual(len(invoice.invoice_line_ids), 1)
+        self.assertAlmostEqual(invoice.invoice_line_ids.quantity, 3)
+
+    def test_same_product(self):
+        self.contract_line.qty_formula_id = self.env.ref(
+            'contract_variable_qty_timesheet.'
+            'contract_line_qty_formula_analytic_same_product'
+        ).id
+        self._create_analytic_line(
+            False, False, '2020-01-01', self.product, 3)
+        self._create_analytic_line(
+            self.project, False, '2020-01-01', False, 1)
+        invoice = self._contract_invoicing(self.contract)
+        self.assertEqual(len(invoice.invoice_line_ids), 1)
+        self.assertAlmostEqual(invoice.invoice_line_ids.quantity, 3)