/usr/lib/python2.7/dist-packages/trytond/tests/test_history.py is in tryton-server 3.8.3-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# this repository contains the full copyright notices and license terms.
import unittest
import datetime
from trytond.tests.test_tryton import POOL, DB_NAME, USER, CONTEXT, \
install_module
from trytond.transaction import Transaction
from trytond.exceptions import UserError
from trytond import backend
class HistoryTestCase(unittest.TestCase):
'Test History'
def setUp(self):
install_module('tests')
def tearDown(self):
History = POOL.get('test.history')
with Transaction().start(DB_NAME, USER,
context=CONTEXT) as transaction:
cursor = transaction.cursor
table = History.__table__()
history_table = History.__table_history__()
cursor.execute(*table.delete())
cursor.execute(*history_table.delete())
cursor.commit()
def test0010read(self):
'Test read history'
History = POOL.get('test.history')
# Create some history entry
# It is needed to commit to have different timestamps
with Transaction().start(DB_NAME, USER,
context=CONTEXT) as transaction:
history = History(value=1)
history.save()
history_id = history.id
first = history.create_date
transaction.cursor.commit()
with Transaction().start(DB_NAME, USER,
context=CONTEXT) as transaction:
history = History(history_id)
history.value = 2
history.save()
second = history.write_date
transaction.cursor.commit()
with Transaction().start(DB_NAME, USER,
context=CONTEXT) as transaction:
history = History(history_id)
history.value = 3
history.save()
third = history.write_date
transaction.cursor.commit()
with Transaction().start(DB_NAME, USER, context=CONTEXT):
for timestamp, value in [
(first, 1),
(second, 2),
(third, 3),
(datetime.datetime.now(), 3),
(datetime.datetime.max, 3),
]:
with Transaction().set_context(_datetime=timestamp):
history = History(history_id)
self.assertEqual(history.value, value)
with Transaction().set_context(_datetime=datetime.datetime.min):
self.assertRaises(UserError, History.read, [history_id])
@unittest.skipUnless(backend.name() == 'postgresql',
'CURRENT_TIMESTAMP as transaction_timestamp is specific to postgresql')
def test0020read_same_timestamp(self):
'Test read history with same timestamp'
History = POOL.get('test.history')
with Transaction().start(DB_NAME, USER,
context=CONTEXT) as transaction:
history = History(value=1)
history.save()
history_id = history.id
first = history.create_date
history.value = 2
history.save()
second = history.write_date
self.assertEqual(first, second)
transaction.cursor.commit()
with Transaction().start(DB_NAME, USER,
context=CONTEXT) as transaction:
history = History(history_id)
history.value = 3
history.save()
third = history.write_date
transaction.cursor.commit()
with Transaction().start(DB_NAME, USER, context=CONTEXT):
for timestamp, value in [
(first, 2),
(third, 3),
]:
with Transaction().set_context(_datetime=timestamp):
history = History(history_id)
self.assertEqual(history.value, value)
def test0030history_revisions(self):
'Test history revisions'
History = POOL.get('test.history')
with Transaction().start(DB_NAME, USER,
context=CONTEXT) as transaction:
history = History(value=1)
history.save()
history_id = history.id
first = history.create_date
transaction.cursor.commit()
with Transaction().start(DB_NAME, USER,
context=CONTEXT) as transaction:
history = History(history_id)
history.value = 2
history.save()
second = history.write_date
transaction.cursor.commit()
with Transaction().start(DB_NAME, USER,
context=CONTEXT) as transaction:
history = History(history_id)
history.value = 3
history.save()
third = history.write_date
transaction.cursor.commit()
with Transaction().start(DB_NAME, USER, context=CONTEXT):
revisions = History.history_revisions([history_id])
self.assertEqual(revisions, [
(third, history_id, u'Administrator'),
(second, history_id, u'Administrator'),
(first, history_id, u'Administrator'),
])
def test0040restore_history(self):
'Test restore history'
History = POOL.get('test.history')
with Transaction().start(DB_NAME, USER,
context=CONTEXT) as transaction:
history = History(value=1)
history.save()
history_id = history.id
first = history.create_date
transaction.cursor.commit()
with Transaction().start(DB_NAME, USER,
context=CONTEXT) as transaction:
history = History(history_id)
history.value = 2
history.save()
transaction.cursor.commit()
with Transaction().start(DB_NAME, USER, context=CONTEXT):
History.restore_history([history_id], first)
history = History(history_id)
self.assertEqual(history.value, 1)
with Transaction().start(DB_NAME, USER, context=CONTEXT):
History.restore_history([history_id], datetime.datetime.min)
self.assertRaises(UserError, History.read, [history_id])
with Transaction().start(DB_NAME, USER, context=CONTEXT):
History.delete([History(history_id)])
transaction.cursor.commit()
with Transaction().start(DB_NAME, USER, context=CONTEXT):
History.restore_history([history_id], datetime.datetime.max)
self.assertRaises(UserError, History.read, [history_id])
def test0041restore_history_before(self):
'Test restore history before'
History = POOL.get('test.history')
with Transaction().start(DB_NAME, USER,
context=CONTEXT) as transaction:
history = History(value=1)
history.save()
history_id = history.id
transaction.cursor.commit()
with Transaction().start(DB_NAME, USER,
context=CONTEXT) as transaction:
history = History(history_id)
history.value = 2
history.save()
second = history.write_date
transaction.cursor.commit()
with Transaction().start(DB_NAME, USER,
context=CONTEXT) as transaction:
history = History(history_id)
history.value = 3
history.save()
transaction.cursor.commit()
with Transaction().start(DB_NAME, USER, context=CONTEXT):
History.restore_history_before([history_id], second)
history = History(history_id)
self.assertEqual(history.value, 1)
@unittest.skipUnless(backend.name() == 'postgresql',
'CURRENT_TIMESTAMP as transaction_timestamp is specific to postgresql')
def test0045restore_history_same_timestamp(self):
'Test restore history with same timestamp'
History = POOL.get('test.history')
with Transaction().start(DB_NAME, USER,
context=CONTEXT) as transaction:
history = History(value=1)
history.save()
history_id = history.id
first = history.create_date
history.value = 2
history.save()
second = history.create_date
self.assertEqual(first, second)
transaction.cursor.commit()
with Transaction().start(DB_NAME, USER,
context=CONTEXT) as transaction:
history = History(history_id)
history.value = 3
history.save()
transaction.cursor.commit()
with Transaction().start(DB_NAME, USER, context=CONTEXT):
History.restore_history([history_id], first)
history = History(history_id)
self.assertEqual(history.value, 2)
def test0050ordered_search(self):
'Test ordered search of history models'
History = POOL.get('test.history')
order = [('value', 'ASC')]
with Transaction().start(DB_NAME, USER,
context=CONTEXT) as transaction:
history = History(value=1)
history.save()
first_id = history.id
first_stamp = history.create_date
transaction.cursor.commit()
with Transaction().start(DB_NAME, USER,
context=CONTEXT) as transaction:
history = History(value=2)
history.save()
second_id = history.id
second_stamp = history.create_date
transaction.cursor.commit()
with Transaction().start(DB_NAME, USER,
context=CONTEXT) as transaction:
first, second = History.search([], order=order)
self.assertEqual(first.id, first_id)
self.assertEqual(second.id, second_id)
first.value = 3
first.save()
third_stamp = first.write_date
transaction.cursor.commit()
results = [
(first_stamp, [first]),
(second_stamp, [first, second]),
(third_stamp, [second, first]),
(datetime.datetime.now(), [second, first]),
(datetime.datetime.max, [second, first]),
]
with Transaction().start(DB_NAME, USER, context=CONTEXT):
for timestamp, instances in results:
with Transaction().set_context(_datetime=timestamp):
records = History.search([], order=order)
self.assertEqual(records, instances)
with Transaction().start(DB_NAME, USER,
context=CONTEXT) as transaction:
to_delete, _ = History.search([], order=order)
self.assertEqual(to_delete.id, second.id)
History.delete([to_delete])
transaction.cursor.commit()
results = [
(first_stamp, [first]),
(second_stamp, [first, second]),
(third_stamp, [second, first]),
(datetime.datetime.now(), [first]),
(datetime.datetime.max, [first]),
]
with Transaction().start(DB_NAME, USER, context=CONTEXT):
for timestamp, instances in results:
with Transaction().set_context(_datetime=timestamp,
from_test=True):
records = History.search([], order=order)
self.assertEqual(records, instances)
@unittest.skipUnless(backend.name() == 'postgresql',
'CURRENT_TIMESTAMP as transaction_timestamp is specific to postgresql')
def test0060_ordered_search_same_timestamp(self):
'Test ordered search with same timestamp'
History = POOL.get('test.history')
order = [('value', 'ASC')]
with Transaction().start(DB_NAME, USER,
context=CONTEXT) as transaction:
history = History(value=1)
history.save()
first_stamp = history.create_date
history.value = 4
history.save()
second_stamp = history.write_date
self.assertEqual(first_stamp, second_stamp)
transaction.cursor.commit()
results = [
(second_stamp, [history], [4]),
(datetime.datetime.now(), [history], [4]),
(datetime.datetime.max, [history], [4]),
]
with Transaction().start(DB_NAME, USER, context=CONTEXT):
for timestamp, instances, values in results:
with Transaction().set_context(_datetime=timestamp,
last_test=True):
records = History.search([], order=order)
self.assertEqual(records, instances)
self.assertEqual([x.value for x in records], values)
def test0070_browse(self):
'Test browsing history'
History = POOL.get('test.history')
Line = POOL.get('test.history.line')
with Transaction().start(DB_NAME, USER,
context=CONTEXT) as transaction:
history = History(value=1)
history.save()
history_id = history.id
line_a = Line(name='a', history=history)
line_a.save()
line_a_id = line_a.id
line_b = Line(name='b', history=history)
line_b.save()
line_b_id = line_b.id
first_stamp = line_b.create_date
transaction.cursor.commit()
with Transaction().start(DB_NAME, USER,
context=CONTEXT) as transaction:
history = History(history_id)
history.value = 2
history.save()
Line.delete([Line(line_b_id)])
line_a = Line(line_a_id)
line_a.name = 'c'
line_a.save()
second_stamp = line_a.write_date
transaction.cursor.commit()
with Transaction().start(DB_NAME, USER,
context=CONTEXT) as transaction:
history = History(history_id)
self.assertEqual(history.value, 2)
self.assertEqual([l.name for l in history.lines], ['c'])
with Transaction().set_context(_datetime=first_stamp):
history = History(history_id)
self.assertEqual(history.value, 1)
self.assertEqual([l.name for l in history.lines], ['a', 'b'])
with Transaction().set_context(_datetime=second_stamp):
history = History(history_id)
self.assertEqual(history.value, 2)
self.assertEqual([l.name for l in history.lines], ['c'])
def test0080_search_cursor_max(self):
'Test search with number of history entries at cursor.IN_MAX'
History = POOL.get('test.history')
with Transaction().start(DB_NAME, USER,
context=CONTEXT) as transaction:
cursor = transaction.cursor
history = History(value=-1)
history.save()
for history.value in range(cursor.IN_MAX + 1):
history.save()
with transaction.set_context(_datetime=datetime.datetime.max):
record, = History.search([])
self.assertEqual(record.value, cursor.IN_MAX)
def test0090_search_cursor_max_entries(self):
'Test search for skipping first history entries at cursor.IN_MAX'
History = POOL.get('test.history')
with Transaction().start(DB_NAME, USER,
context=CONTEXT) as transaction:
cursor = transaction.cursor
for i in xrange(0, 2):
history = History(value=-1)
history.save()
for history.value in range(cursor.IN_MAX + 1):
history.save()
with transaction.set_context(_datetime=datetime.datetime.max):
records = History.search([])
self.assertEqual({r.value for r in records}, {cursor.IN_MAX})
self.assertEqual(len(records), 2)
def test0100_search_cursor_max_histories(self):
'Test search with number of histories at cursor.IN_MAX'
History = POOL.get('test.history')
with Transaction().start(DB_NAME, USER,
context=CONTEXT) as transaction:
cursor = transaction.cursor
n = cursor.IN_MAX + 1
History.create([{'value': 1}] * n)
with transaction.set_context(_datetime=datetime.datetime.max):
records = History.search([])
self.assertEqual({r.value for r in records}, {1})
self.assertEqual(len(records), n)
def suite():
return unittest.TestLoader().loadTestsFromTestCase(HistoryTestCase)
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