466 lines
19 KiB
Python
466 lines
19 KiB
Python
# Copyright 2018 Creu Blanca
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# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
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import logging
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from dateutil.relativedelta import relativedelta
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from odoo import fields
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from odoo.exceptions import UserError
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from odoo.tests import TransactionCase, tagged
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_logger = logging.getLogger(__name__)
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try:
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import numpy_financial
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except (ImportError, IOError) as err:
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_logger.error(err)
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@tagged("post_install", "-at_install")
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class TestLoan(TransactionCase):
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def setUp(self):
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super().setUp()
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self.company = self.browse_ref("base.main_company")
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self.company_02 = self.env["res.company"].create({"name": "Auxiliar company"})
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self.journal = self.env["account.journal"].create(
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{
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"company_id": self.company.id,
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"type": "purchase",
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"name": "Debts",
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"code": "DBT",
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}
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)
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self.loan_account = self.create_account(
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"DEP",
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"depreciation",
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self.browse_ref("account.data_account_type_current_liabilities").id,
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)
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self.payable_account = self.create_account(
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"PAY", "payable", self.browse_ref("account.data_account_type_payable").id
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)
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self.asset_account = self.create_account(
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"ASSET", "asset", self.browse_ref("account.data_account_type_payable").id
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)
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self.interests_account = self.create_account(
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"FEE", "Fees", self.browse_ref("account.data_account_type_expenses").id
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)
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self.lt_loan_account = self.create_account(
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"LTD",
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"Long term depreciation",
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self.browse_ref("account.data_account_type_non_current_liabilities").id,
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)
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self.partner = self.env["res.partner"].create({"name": "Bank"})
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self.product = self.env["product.product"].create(
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{"name": "Payment", "type": "service"}
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)
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self.interests_product = self.env["product.product"].create(
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{"name": "Bank fee", "type": "service"}
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)
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def test_onchange(self):
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loan = self.env["account.loan"].new(
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{
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"name": "LOAN",
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"company_id": self.company.id,
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"journal_id": self.journal.id,
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"loan_type": "fixed-annuity",
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"loan_amount": 100,
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"rate": 1,
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"periods": 2,
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"short_term_loan_account_id": self.loan_account.id,
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"interest_expenses_account_id": self.interests_account.id,
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"product_id": self.product.id,
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"interests_product_id": self.interests_product.id,
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"partner_id": self.partner.id,
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}
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)
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journal = loan.journal_id.id
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loan.is_leasing = True
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loan._onchange_is_leasing()
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self.assertNotEqual(journal, loan.journal_id.id)
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loan.company_id = self.company_02
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loan._onchange_company()
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self.assertFalse(loan.interest_expenses_account_id)
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def test_round_on_end(self):
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loan = self.create_loan("fixed-annuity", 500000, 1, 60)
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loan.round_on_end = True
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loan.compute_lines()
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line_1 = loan.line_ids.filtered(lambda r: r.sequence == 1)
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for line in loan.line_ids:
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self.assertAlmostEqual(line_1.payment_amount, line.payment_amount, 2)
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loan.loan_type = "fixed-principal"
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loan.compute_lines()
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line_1 = loan.line_ids.filtered(lambda r: r.sequence == 1)
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line_end = loan.line_ids.filtered(lambda r: r.sequence == 60)
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self.assertNotAlmostEqual(line_1.payment_amount, line_end.payment_amount, 2)
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loan.loan_type = "interest"
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loan.compute_lines()
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line_1 = loan.line_ids.filtered(lambda r: r.sequence == 1)
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line_end = loan.line_ids.filtered(lambda r: r.sequence == 60)
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self.assertEqual(line_1.principal_amount, 0)
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self.assertEqual(line_end.principal_amount, 500000)
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def test_pay_amount_validation(self):
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amount = 10000
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periods = 24
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loan = self.create_loan("fixed-annuity", amount, 1, periods)
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self.assertTrue(loan.line_ids)
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self.assertEqual(len(loan.line_ids), periods)
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line = loan.line_ids.filtered(lambda r: r.sequence == 1)
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self.assertAlmostEqual(
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-numpy_financial.pmt(1 / 100 / 12, 24, 10000), line.payment_amount, 2
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)
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self.assertEqual(line.long_term_principal_amount, 0)
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loan.long_term_loan_account_id = self.lt_loan_account
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loan.compute_lines()
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line = loan.line_ids.filtered(lambda r: r.sequence == 1)
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self.assertGreater(line.long_term_principal_amount, 0)
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self.post(loan)
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self.assertTrue(loan.start_date)
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line = loan.line_ids.filtered(lambda r: r.sequence == 1)
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self.assertTrue(line)
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self.assertFalse(line.move_ids)
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wzd = self.env["account.loan.generate.wizard"].create({})
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action = wzd.run()
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self.assertTrue(action)
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self.assertFalse(wzd.run())
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self.assertTrue(line.move_ids)
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self.assertIn(line.move_ids.id, action["domain"][0][2])
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self.assertTrue(line.move_ids)
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self.assertEqual(line.move_ids.state, "posted")
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with self.assertRaises(UserError):
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self.env["account.loan.pay.amount"].create(
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{
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"loan_id": loan.id,
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"amount": (amount - amount / periods) / 2,
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"fees": 100,
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"date": line.date + relativedelta(months=-1),
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}
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).run()
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with self.assertRaises(UserError):
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self.env["account.loan.pay.amount"].create(
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{"loan_id": loan.id, "amount": amount, "fees": 100, "date": line.date}
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).run()
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with self.assertRaises(UserError):
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self.env["account.loan.pay.amount"].create(
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{"loan_id": loan.id, "amount": 0, "fees": 100, "date": line.date}
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).run()
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with self.assertRaises(UserError):
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self.env["account.loan.pay.amount"].create(
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{"loan_id": loan.id, "amount": -100, "fees": 100, "date": line.date}
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).run()
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def test_fixed_annuity_begin_loan(self):
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amount = 10000
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periods = 24
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loan = self.create_loan("fixed-annuity-begin", amount, 1, periods)
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self.assertTrue(loan.line_ids)
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self.assertEqual(len(loan.line_ids), periods)
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line = loan.line_ids.filtered(lambda r: r.sequence == 1)
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self.assertAlmostEqual(
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-numpy_financial.pmt(1 / 100 / 12, 24, 10000, when="begin"),
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line.payment_amount,
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2,
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)
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self.assertEqual(line.long_term_principal_amount, 0)
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loan.long_term_loan_account_id = self.lt_loan_account
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loan.compute_lines()
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line = loan.line_ids.filtered(lambda r: r.sequence == 1)
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self.assertGreater(line.long_term_principal_amount, 0)
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self.post(loan)
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self.assertTrue(loan.start_date)
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line = loan.line_ids.filtered(lambda r: r.sequence == 1)
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self.assertTrue(line)
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self.assertFalse(line.move_ids)
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wzd = self.env["account.loan.generate.wizard"].create({})
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action = wzd.run()
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self.assertTrue(action)
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self.assertFalse(wzd.run())
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self.assertTrue(line.move_ids)
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self.assertIn(line.move_ids.id, action["domain"][0][2])
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self.assertTrue(line.move_ids)
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self.assertEqual(line.move_ids.state, "posted")
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loan.rate = 2
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loan.compute_lines()
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line = loan.line_ids.filtered(lambda r: r.sequence == 1)
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self.assertAlmostEqual(
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-numpy_financial.pmt(1 / 100 / 12, periods, amount, when="begin"),
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line.payment_amount,
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2,
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)
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line = loan.line_ids.filtered(lambda r: r.sequence == 2)
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self.assertAlmostEqual(
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-numpy_financial.pmt(
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2 / 100 / 12, periods - 1, line.pending_principal_amount, when="begin"
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),
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line.payment_amount,
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2,
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)
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line = loan.line_ids.filtered(lambda r: r.sequence == 3)
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with self.assertRaises(UserError):
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line.view_process_values()
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def test_fixed_annuity_loan(self):
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amount = 10000
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periods = 24
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loan = self.create_loan("fixed-annuity", amount, 1, periods)
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self.assertTrue(loan.line_ids)
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self.assertEqual(len(loan.line_ids), periods)
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line = loan.line_ids.filtered(lambda r: r.sequence == 1)
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self.assertAlmostEqual(
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-numpy_financial.pmt(1 / 100 / 12, 24, 10000), line.payment_amount, 2
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)
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self.assertEqual(line.long_term_principal_amount, 0)
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loan.long_term_loan_account_id = self.lt_loan_account
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loan.compute_lines()
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line = loan.line_ids.filtered(lambda r: r.sequence == 1)
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self.assertGreater(line.long_term_principal_amount, 0)
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self.post(loan)
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self.assertTrue(loan.start_date)
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line = loan.line_ids.filtered(lambda r: r.sequence == 1)
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self.assertTrue(line)
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self.assertFalse(line.move_ids)
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wzd = self.env["account.loan.generate.wizard"].create({})
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action = wzd.run()
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self.assertTrue(action)
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self.assertFalse(wzd.run())
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self.assertTrue(line.move_ids)
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self.assertIn(line.move_ids.id, action["domain"][0][2])
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self.assertTrue(line.move_ids)
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self.assertEqual(line.move_ids.state, "posted")
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loan.rate = 2
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loan.compute_lines()
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line = loan.line_ids.filtered(lambda r: r.sequence == 1)
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self.assertAlmostEqual(
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-numpy_financial.pmt(1 / 100 / 12, periods, amount), line.payment_amount, 2
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)
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line = loan.line_ids.filtered(lambda r: r.sequence == 2)
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self.assertAlmostEqual(
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-numpy_financial.pmt(
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2 / 100 / 12, periods - 1, line.pending_principal_amount
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),
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line.payment_amount,
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2,
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)
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line = loan.line_ids.filtered(lambda r: r.sequence == 3)
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with self.assertRaises(UserError):
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line.view_process_values()
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def test_fixed_principal_loan_leasing(self):
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amount = 24000
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periods = 24
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loan = self.create_loan("fixed-principal", amount, 1, periods)
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self.partner.property_account_payable_id = self.payable_account
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self.assertEqual(loan.journal_type, "general")
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loan.is_leasing = True
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loan.post_invoice = False
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self.assertEqual(loan.journal_type, "purchase")
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loan.long_term_loan_account_id = self.lt_loan_account
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loan.rate_type = "real"
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loan.compute_lines()
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self.assertTrue(loan.line_ids)
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self.assertEqual(len(loan.line_ids), periods)
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line = loan.line_ids.filtered(lambda r: r.sequence == 1)
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self.assertEqual(amount / periods, line.principal_amount)
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self.assertEqual(amount / periods, line.long_term_principal_amount)
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self.post(loan)
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line = loan.line_ids.filtered(lambda r: r.sequence == 1)
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self.assertTrue(line)
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self.assertFalse(line.has_invoices)
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self.assertFalse(line.has_moves)
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action = (
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self.env["account.loan.generate.wizard"]
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.create(
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{
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"date": fields.date.today() + relativedelta(days=1),
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"loan_type": "leasing",
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}
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)
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.run()
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)
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self.assertTrue(line.has_invoices)
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self.assertTrue(line.has_moves)
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self.assertIn(line.move_ids.id, action["domain"][0][2])
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loan.refresh()
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with self.assertRaises(UserError):
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self.env["account.loan.pay.amount"].create(
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{
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"loan_id": loan.id,
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"amount": (amount - amount / periods) / 2,
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"fees": 100,
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"date": loan.line_ids.filtered(lambda r: r.sequence == 2).date,
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}
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).run()
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with self.assertRaises(UserError):
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self.env["account.loan.pay.amount"].create(
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{
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"loan_id": loan.id,
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"amount": (amount - amount / periods) / 2,
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"fees": 100,
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"date": loan.line_ids.filtered(lambda r: r.sequence == 1).date
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+ relativedelta(months=-1),
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}
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).run()
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self.assertTrue(line.move_ids)
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self.assertEqual(line.move_ids.state, "draft")
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self.assertTrue(line.has_moves)
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line.move_ids.action_post()
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self.assertEqual(line.move_ids.state, "posted")
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self.assertIn(
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line.move_ids.id,
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self.env["account.move"].search(loan.view_account_moves()["domain"]).ids,
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)
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self.assertEqual(
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line.move_ids.id,
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self.env["account.move"].search(loan.view_account_invoices()["domain"]).id,
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)
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with self.assertRaises(UserError):
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self.env["account.loan.pay.amount"].create(
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{
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"loan_id": loan.id,
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"amount": (amount - amount / periods) / 2,
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"fees": 100,
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"date": loan.line_ids.filtered(
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lambda r: r.sequence == periods
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).date,
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}
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).run()
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self.env["account.loan.pay.amount"].create(
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{
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"loan_id": loan.id,
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"amount": (amount - amount / periods) / 2,
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"date": line.date,
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"fees": 100,
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}
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).run()
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line = loan.line_ids.filtered(lambda r: r.sequence == 2)
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self.assertEqual(loan.periods, periods + 1)
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self.assertAlmostEqual(
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line.principal_amount, (amount - amount / periods) / 2, 2
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)
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line = loan.line_ids.filtered(lambda r: r.sequence == 3)
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self.assertEqual(amount / periods / 2, line.principal_amount)
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line = loan.line_ids.filtered(lambda r: r.sequence == 4)
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with self.assertRaises(UserError):
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line.view_process_values()
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def test_fixed_principal_loan_auto_post_leasing(self):
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amount = 24000
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periods = 24
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loan = self.create_loan("fixed-principal", amount, 1, periods)
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self.partner.property_account_payable_id = self.payable_account
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self.assertEqual(loan.journal_type, "general")
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loan.is_leasing = True
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self.assertEqual(loan.journal_type, "purchase")
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loan.long_term_loan_account_id = self.lt_loan_account
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loan.rate_type = "real"
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loan.compute_lines()
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self.assertTrue(loan.line_ids)
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self.assertEqual(len(loan.line_ids), periods)
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line = loan.line_ids.filtered(lambda r: r.sequence == 1)
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self.assertEqual(amount / periods, line.principal_amount)
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self.assertEqual(amount / periods, line.long_term_principal_amount)
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self.post(loan)
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line = loan.line_ids.filtered(lambda r: r.sequence == 1)
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self.assertTrue(line)
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self.assertFalse(line.has_invoices)
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self.assertFalse(line.has_moves)
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self.env["account.loan.generate.wizard"].create(
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{"date": fields.date.today(), "loan_type": "leasing"}
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).run()
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self.assertTrue(line.has_invoices)
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self.assertTrue(line.has_moves)
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def test_interests_on_end_loan(self):
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amount = 10000
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periods = 10
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loan = self.create_loan("interest", amount, 1, periods)
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loan.payment_on_first_period = False
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loan.start_date = fields.Date.today()
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loan.rate_type = "ear"
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loan.compute_lines()
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self.assertTrue(loan.line_ids)
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self.assertEqual(len(loan.line_ids), periods)
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self.assertEqual(0, loan.line_ids[0].principal_amount)
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self.assertEqual(
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amount,
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loan.line_ids.filtered(lambda r: r.sequence == periods).principal_amount,
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)
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self.post(loan)
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self.assertEqual(loan.payment_amount, 0)
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self.assertEqual(loan.interests_amount, 0)
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self.assertEqual(loan.pending_principal_amount, amount)
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self.assertFalse(loan.line_ids.filtered(lambda r: r.date <= loan.start_date))
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for line in loan.line_ids:
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self.assertEqual(loan.state, "posted")
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line.view_process_values()
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self.assertTrue(line.move_ids)
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self.assertEqual(line.move_ids.state, "posted")
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self.assertEqual(loan.state, "closed")
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loan.refresh()
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self.assertEqual(loan.payment_amount - loan.interests_amount, amount)
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self.assertEqual(loan.pending_principal_amount, 0)
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def test_cancel_loan(self):
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amount = 10000
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periods = 10
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loan = self.create_loan("fixed-annuity", amount, 1, periods)
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self.post(loan)
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line = loan.line_ids.filtered(lambda r: r.sequence == 1)
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line.view_process_values()
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self.assertTrue(line.move_ids)
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self.assertEqual(line.move_ids.state, "posted")
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pay = self.env["account.loan.pay.amount"].create(
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{"loan_id": loan.id, "amount": 0, "fees": 100, "date": line.date}
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)
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pay.cancel_loan = True
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pay._onchange_cancel_loan()
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self.assertEqual(pay.amount, line.final_pending_principal_amount)
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pay.run()
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self.assertEqual(loan.state, "cancelled")
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def post(self, loan):
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self.assertFalse(loan.move_ids)
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post = (
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self.env["account.loan.post"]
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.with_context(default_loan_id=loan.id)
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.create({})
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)
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post.run()
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self.assertTrue(loan.move_ids)
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with self.assertRaises(UserError):
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post.run()
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def create_account(self, code, name, type_id):
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return self.env["account.account"].create(
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{
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"company_id": self.company.id,
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"name": name,
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"code": code,
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"user_type_id": type_id,
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"reconcile": True,
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}
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)
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def create_loan(self, type_loan, amount, rate, periods):
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loan = self.env["account.loan"].create(
|
|
{
|
|
"journal_id": self.journal.id,
|
|
"rate_type": "napr",
|
|
"loan_type": type_loan,
|
|
"loan_amount": amount,
|
|
"payment_on_first_period": True,
|
|
"rate": rate,
|
|
"periods": periods,
|
|
"leased_asset_account_id": self.asset_account.id,
|
|
"short_term_loan_account_id": self.loan_account.id,
|
|
"interest_expenses_account_id": self.interests_account.id,
|
|
"product_id": self.product.id,
|
|
"interests_product_id": self.interests_product.id,
|
|
"partner_id": self.partner.id,
|
|
}
|
|
)
|
|
loan.compute_lines()
|
|
return loan
|