def test_autocommit_transaction(transactional_backend):
transactional_backend.filter(Movie, {}).delete()
try:
transactional_backend.autocommit = True
movie = Movie({'title': 'The Godfather', 'year': 1979})
movie.save(transactional_backend)
transactional_backend.delete(movie)
movie.title = 'Star Wars IV'
movie.save(transactional_backend)
with pytest.raises(Movie.DoesNotExist):
transactional_backend.get(Movie, {
'title': 'The Godfather',
'year': 1979
})
assert transactional_backend.get(Movie, {
'title': 'Star Wars IV',
'year': 1979
}) == movie
assert len(transactional_backend.filter(Movie, {'year': 1979})) == 1
finally:
transactional_backend.autocommit = False
def test_advanced_transaction(transactional_backend):
transactional_backend.begin()
transactional_backend.filter(Movie, {}).delete()
transactional_backend.rollback()
movie = Movie({'title': 'The Godfather', 'year': 1979})
movie.save(transactional_backend)
transactional_backend.commit()
transactional_backend.delete(movie)
movie.title = 'Star Wars IV'
movie.save(transactional_backend)
transactional_backend.rollback()
assert transactional_backend.get(Movie, {
'title': 'The Godfather',
'year': 1979
}).title == 'The Godfather'
assert transactional_backend.get(Movie, {
'title': 'The Godfather',
'year': 1979
}) == movie
assert len(transactional_backend.filter(Movie, {'year': 1979})) == 1
def test_autocommit_transaction(transactional_backend):
transactional_backend.filter(Movie, {}).delete()
try:
transactional_backend.autocommit = True
movie = Movie({'title': 'The Godfather', 'year': 1979})
movie.save(transactional_backend)
transactional_backend.delete(movie)
movie.title = 'Star Wars IV'
movie.save(transactional_backend)
with pytest.raises(Movie.DoesNotExist):
transactional_backend.get(Movie, {'title': 'The Godfather', 'year': 1979})
assert transactional_backend.get(Movie, {'title': 'Star Wars IV', 'year': 1979}) == movie
assert len(transactional_backend.filter(Movie, {'year': 1979})) == 1
finally:
transactional_backend.autocommit = False
def test_autocommit_transaction(transactional_backend):
transactional_backend.filter(Movie, {}).delete()
try:
transactional_backend.autocommit = True
movie = Movie({"title": "The Godfather", "year": 1979})
movie.save(transactional_backend)
transactional_backend.delete(movie)
movie.title = "Star Wars IV"
movie.save(transactional_backend)
with pytest.raises(Movie.DoesNotExist):
transactional_backend.get(Movie, {"title": "The Godfather", "year": 1979})
assert transactional_backend.get(Movie, {"title": "Star Wars IV", "year": 1979}) == movie
assert len(transactional_backend.filter(Movie, {"year": 1979})) == 1
finally:
transactional_backend.autocommit = False
def test_advanced_transaction(transactional_backend):
transactional_backend.begin()
transactional_backend.filter(Movie, {}).delete()
transactional_backend.rollback()
movie = Movie({"title": "The Godfather", "year": 1979})
movie.save(transactional_backend)
transactional_backend.commit()
transactional_backend.delete(movie)
movie.title = "Star Wars IV"
movie.save(transactional_backend)
transactional_backend.rollback()
assert transactional_backend.get(Movie, {"title": "The Godfather", "year": 1979}).title == "The Godfather"
assert transactional_backend.get(Movie, {"title": "The Godfather", "year": 1979}) == movie
assert len(transactional_backend.filter(Movie, {"year": 1979})) == 1
def test_advanced_transaction(transactional_backend):
transactional_backend.begin()
transactional_backend.filter(Movie, {}).delete()
transactional_backend.rollback()
movie = Movie({'title': 'The Godfather', 'year': 1979})
movie.save(transactional_backend)
transactional_backend.commit()
transactional_backend.begin()
transactional_backend.delete(movie)
movie.title = 'Star Wars IV'
movie.save(transactional_backend)
transactional_backend.rollback()
assert transactional_backend.get(Movie, {'title': 'The Godfather', 'year': 1979}).title == 'The Godfather'
assert transactional_backend.get(Movie, {'title': 'The Godfather', 'year': 1979}) == movie
assert len(transactional_backend.filter(Movie, {'year': 1979})) == 1
