def test_process_request(self):
self.middleware.process_request(self.request)
self.assertTrue(RequestCache.get_cached_response(TEST_KEY).is_miss)
self.assertFalse(
RequestCache.get_cached_response(
SHOULD_FORCE_CACHE_MISS_KEY).value)
def test_delete(self, mock_cache_delete):
TieredCache.set_all_tiers(TEST_KEY, EXPECTED_VALUE)
TieredCache.set_all_tiers(TEST_KEY_2, EXPECTED_VALUE)
TieredCache.delete_all_tiers(TEST_KEY)
self.assertTrue(RequestCache.get_cached_response(TEST_KEY).is_miss)
self.assertEqual(
RequestCache.get_cached_response(TEST_KEY_2).value, EXPECTED_VALUE)
mock_cache_delete.assert_called_with(TEST_KEY)
def test_process_request_force_django_cache_miss(self):
request = RequestFactory().get(
'/?{}=tRuE'.format(FORCE_CACHE_MISS_PARAM))
self.middleware.process_request(request)
self.assertTrue(RequestCache.get_cached_response(TEST_KEY).is_miss)
self.assertTrue(
RequestCache.get_cached_response(
SHOULD_FORCE_CACHE_MISS_KEY).value)
def test_delete(self):
RequestCache.set(TEST_KEY, EXPECTED_VALUE)
RequestCache.set(TEST_KEY_2, EXPECTED_VALUE)
RequestCache.delete(TEST_KEY)
cached_response = RequestCache.get_cached_response(TEST_KEY)
self.assertTrue(cached_response.is_miss)
cached_response = RequestCache.get_cached_response(TEST_KEY_2)
self.assertTrue(cached_response.is_hit)
self.assertEqual(cached_response.value, EXPECTED_VALUE)
def test_set_all_tiers(self, mock_cache_set):
mock_cache_set.return_value = EXPECTED_VALUE
TieredCache.set_all_tiers(TEST_KEY, EXPECTED_VALUE,
TEST_DJANGO_TIMEOUT_CACHE)
mock_cache_set.assert_called_with(TEST_KEY, EXPECTED_VALUE,
TEST_DJANGO_TIMEOUT_CACHE)
self.assertEqual(
RequestCache.get_cached_response(TEST_KEY).value, EXPECTED_VALUE)
def test_get_cached_response_django_cache_hit(self, mock_cache_get):
mock_cache_get.return_value = EXPECTED_VALUE
cached_response = TieredCache.get_cached_response(TEST_KEY)
self.assertTrue(cached_response.is_hit)
self.assertEqual(cached_response.value, EXPECTED_VALUE)
cached_response = RequestCache.get_cached_response(TEST_KEY)
self.assertTrue(
cached_response.is_hit,
'Django cache hit should cache value in request cache.')
def test_get_cached_response_force_django_cache_miss(self, mock_cache_get):
RequestCache.set(SHOULD_FORCE_CACHE_MISS_KEY, True)
mock_cache_get.return_value = EXPECTED_VALUE
cached_response = TieredCache.get_cached_response(TEST_KEY)
self.assertTrue(cached_response.is_miss)
cached_response = RequestCache.get_cached_response(TEST_KEY)
self.assertTrue(
cached_response.is_miss,
'Forced Django cache miss should not cache value in request cache.'
)
def flush(self):
"""Remove all products in basket and fire Segment 'Product Removed' Analytic event for each"""
cached_response = RequestCache.get_cached_response(TEMPORARY_BASKET_CACHE_KEY)
if cached_response.is_hit:
# Do not track anything. This is a temporary basket calculation.
return
for line in self.all_lines():
# Do not fire events for free items. The volume we see for edX.org leads to a dramatic increase in CPU
# usage. Given that orders for free items are ignored, there is no need for these events.
if line.stockrecord.price_excl_tax > 0:
properties = translate_basket_line_for_segment(line)
track_segment_event(self.site, self.owner, 'Product Removed', properties)
# Call flush after we fetch all_lines() which is cleared during flush()
super(Basket, self).flush() # pylint: disable=bad-super-call
def add_product(self, product, quantity=1, options=None):
"""
Add the indicated product to basket.
Performs AbstractBasket add_product method and fires Google Analytics 'Product Added' event.
"""
line, created = super(Basket, self).add_product(product, quantity, options) # pylint: disable=bad-super-call
cached_response = RequestCache.get_cached_response(TEMPORARY_BASKET_CACHE_KEY)
if cached_response.is_hit:
# Do not track anything. This is a temporary basket calculation.
return line, created
# Do not fire events for free items. The volume we see for edX.org leads to a dramatic increase in CPU
# usage. Given that orders for free items are ignored, there is no need for these events.
if line.stockrecord.price_excl_tax > 0:
properties = translate_basket_line_for_segment(line)
properties['cart_id'] = self.id
track_segment_event(self.site, self.owner, 'Product Added', properties)
return line, created
def test_clear(self):
RequestCache.set(TEST_KEY, EXPECTED_VALUE)
RequestCache.clear()
cached_response = RequestCache.get_cached_response(TEST_KEY)
self.assertTrue(cached_response.is_miss)
def test_get_cached_response_miss(self):
cached_response = RequestCache.get_cached_response(TEST_KEY)
self.assertTrue(cached_response.is_miss)
def test_get_cached_response_hit_with_cached_none(self):
RequestCache.set(TEST_KEY, None)
cached_response = RequestCache.get_cached_response(TEST_KEY)
self.assertFalse(cached_response.is_miss)
self.assertEqual(cached_response.value, None)
def test_get_cached_response_hit(self):
RequestCache.set(TEST_KEY, EXPECTED_VALUE)
cached_response = RequestCache.get_cached_response(TEST_KEY)
self.assertFalse(cached_response.is_miss)
self.assertEqual(cached_response.value, EXPECTED_VALUE)
def test_clear_all_tiers(self, mock_cache_clear):
TieredCache.set_all_tiers(TEST_KEY, EXPECTED_VALUE)
TieredCache.clear_all_tiers()
self.assertTrue(RequestCache.get_cached_response(TEST_KEY).is_miss)
mock_cache_clear.assert_called_once_with()
def test_process_exception(self):
response = self.middleware.process_exception(self.request,
EXPECTED_VALUE)
self.assertEqual(response, None)
self.assertTrue(RequestCache.get_cached_response(TEST_KEY).is_miss)