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# -*- coding: utf-8 -*-
# Part of Odoo. See LICENSE file for full copyright and licensing details.
from contextlib import contextmanager
import unittest
import psycopg2
import psycopg2.errorcodes
import odoo
from odoo.tests import common
ADMIN_USER_ID = common.ADMIN_USER_ID
@contextmanager
def environment():
""" Return an environment with a new cursor for the current database; the
cursor is committed and closed after the context block.
"""
registry = odoo.registry(common.get_db_name())
with registry.cursor() as cr:
yield odoo.api.Environment(cr, ADMIN_USER_ID, {})
cr.commit()
def drop_sequence(code):
with environment() as env:
seq = env['ir.sequence'].search([('code', '=', code)])
seq.unlink()
class TestIrSequenceStandard(unittest.TestCase):
""" A few tests for a 'Standard' (i.e. PostgreSQL) sequence. """
def test_ir_sequence_create(self):
""" Try to create a sequence object. """
with environment() as env:
seq = env['ir.sequence'].create({
'code': 'test_sequence_type',
'name': 'Test sequence',
})
self.assertTrue(seq)
def test_ir_sequence_search(self):
""" Try a search. """
with environment() as env:
seqs = env['ir.sequence'].search([])
self.assertTrue(seqs)
def test_ir_sequence_draw(self):
""" Try to draw a number. """
with environment() as env:
n = env['ir.sequence'].next_by_code('test_sequence_type')
self.assertTrue(n)
def test_ir_sequence_draw_twice(self):
""" Try to draw a number from two transactions. """
with environment() as env0:
with environment() as env1:
n0 = env0['ir.sequence'].next_by_code('test_sequence_type')
self.assertTrue(n0)
n1 = env1['ir.sequence'].next_by_code('test_sequence_type')
self.assertTrue(n1)
@classmethod
def tearDownClass(cls):
drop_sequence('test_sequence_type')
class TestIrSequenceNoGap(unittest.TestCase):
""" Copy of the previous tests for a 'No gap' sequence. """
def test_ir_sequence_create_no_gap(self):
""" Try to create a sequence object. """
with environment() as env:
seq = env['ir.sequence'].create({
'code': 'test_sequence_type_2',
'name': 'Test sequence',
'implementation': 'no_gap',
})
self.assertTrue(seq)
def test_ir_sequence_draw_no_gap(self):
""" Try to draw a number. """
with environment() as env:
n = env['ir.sequence'].next_by_code('test_sequence_type_2')
self.assertTrue(n)
def test_ir_sequence_draw_twice_no_gap(self):
""" Try to draw a number from two transactions.
This is expected to not work.
"""
with environment() as env0:
with environment() as env1:
env1.cr._default_log_exceptions = False # Prevent logging a traceback
with self.assertRaises(psycopg2.OperationalError) as e:
n0 = env0['ir.sequence'].next_by_code('test_sequence_type_2')
self.assertTrue(n0)
n1 = env1['ir.sequence'].next_by_code('test_sequence_type_2')
self.assertEqual(e.exception.pgcode, psycopg2.errorcodes.LOCK_NOT_AVAILABLE, msg="postgresql returned an incorrect errcode")
@classmethod
def tearDownClass(cls):
drop_sequence('test_sequence_type_2')
class TestIrSequenceChangeImplementation(unittest.TestCase):
""" Create sequence objects and change their ``implementation`` field. """
def test_ir_sequence_1_create(self):
""" Try to create a sequence object. """
with environment() as env:
seq = env['ir.sequence'].create({
'code': 'test_sequence_type_3',
'name': 'Test sequence',
})
self.assertTrue(seq)
seq = env['ir.sequence'].create({
'code': 'test_sequence_type_4',
'name': 'Test sequence',
'implementation': 'no_gap',
})
self.assertTrue(seq)
def test_ir_sequence_2_write(self):
with environment() as env:
domain = [('code', 'in', ['test_sequence_type_3', 'test_sequence_type_4'])]
seqs = env['ir.sequence'].search(domain)
seqs.write({'implementation': 'standard'})
seqs.write({'implementation': 'no_gap'})
def test_ir_sequence_3_unlink(self):
with environment() as env:
domain = [('code', 'in', ['test_sequence_type_3', 'test_sequence_type_4'])]
seqs = env['ir.sequence'].search(domain)
seqs.unlink()
@classmethod
def tearDownClass(cls):
drop_sequence('test_sequence_type_3')
drop_sequence('test_sequence_type_4')
class TestIrSequenceGenerate(unittest.TestCase):
""" Create sequence objects and generate some values. """
def test_ir_sequence_create(self):
""" Try to create a sequence object. """
with environment() as env:
seq = env['ir.sequence'].create({
'code': 'test_sequence_type_5',
'name': 'Test sequence',
})
self.assertTrue(seq)
with environment() as env:
for i in range(1, 10):
n = env['ir.sequence'].next_by_code('test_sequence_type_5')
self.assertEqual(n, str(i))
def test_ir_sequence_create_no_gap(self):
""" Try to create a sequence object. """
with environment() as env:
seq = env['ir.sequence'].create({
'code': 'test_sequence_type_6',
'name': 'Test sequence',
'implementation': 'no_gap',
})
self.assertTrue(seq)
with environment() as env:
for i in range(1, 10):
n = env['ir.sequence'].next_by_code('test_sequence_type_6')
self.assertEqual(n, str(i))
@classmethod
def tearDownClass(cls):
drop_sequence('test_sequence_type_5')
drop_sequence('test_sequence_type_6')
class TestIrSequenceInit(common.TransactionCase):
def test_00(self):
""" test whether the read method returns the right number_next value
(from postgreSQL sequence and not ir_sequence value)
"""
# first creation of sequence (normal)
seq = self.env['ir.sequence'].create({
'number_next': 1,
'company_id': 1,
'padding': 4,
'number_increment': 1,
'implementation': 'standard',
'name': 'test-sequence-00',
})
# Call next() 4 times, and check the last returned value
seq.next_by_id()
seq.next_by_id()
seq.next_by_id()
n = seq.next_by_id()
self.assertEqual(n, "0004", 'The actual sequence value must be 4. reading : %s' % n)
# reset sequence to 1 by write()
seq.write({'number_next': 1})
# Read the value of the current sequence
n = seq.next_by_id()
self.assertEqual(n, "0001", 'The actual sequence value must be 1. reading : %s' % n)
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