def test_fetch_multiple_save_updates_for_the_same_entity(self, cassandra_update_fetcher,
product_fixture_cassandra_store):
_id = uuid.uuid4()
timestamp = time()
product_fixture = ProductFixture(_id=_id, timestamp=timestamp, name="The new MacBook Pro by Apple", quantity=10,
description="it's amazing", price=Decimal("1999.99"), enabled=True)
product_fixture_cassandra_store.create(product_fixture)
product_fixture.price = Decimal("1499.99")
product_fixture.timestamp = time()
product_fixture_cassandra_store.update(product_fixture)
product_fixture.description = "it' beyond amazing"
product_fixture.enabled = False
product_fixture.timestamp = time()
product_fixture_cassandra_store.update(product_fixture)
updates_iterator = cassandra_update_fetcher.fetch_updates(minimum_timestamp=timestamp)
updates = []
for update in updates_iterator:
updates.append(update)
assert len(updates) == 3
fields = {}
for update in updates:
for field in update.fields:
fields[field.name] = field.value
assert fields["price"] == Decimal("1499.99")
assert fields["description"] == "it' beyond amazing"
assert fields["enabled"] is False
def test_fetch_updates_from_the_beginning_of_time(self, elasticsearch_update_fetcher,
product_fixture_elasticsearch_store, elasticsearch_fixture_index,
product_fixture_table):
p1 = ProductFixture(_id=uuid4(), name="navy polo shirt", description="great shirt, great price!",
quantity=5, price=Decimal("99.99"), enabled=True, timestamp=time())
p2 = ProductFixture(_id=uuid4(), name="cool red shorts", description="perfect to go to the beach",
quantity=7, price=Decimal("49.99"), enabled=False, timestamp=time())
p3 = ProductFixture(_id=uuid4(), name="black DC skater shoes", description="yo!",
quantity=10, price=Decimal("149.99"), enabled=True, timestamp=time())
product_fixture_elasticsearch_store.create(p1)
product_fixture_elasticsearch_store.create(p2)
product_fixture_elasticsearch_store.create(p3)
sleep(0.001)
p3.description = "very cool shoes"
p3.price = Decimal("199.99")
p3.timestamp = time()
product_fixture_elasticsearch_store.update(p3)
p4 = ProductFixture(_id=uuid4(), name="black gloves", description="warm, comfortable gloves",
quantity=7, price=Decimal("19.99"), enabled=True, timestamp=time())
product_fixture_elasticsearch_store.create(p4)
p4.description = "warm, comfortable, one-size fits all gloves"
p4.quantity = 19
p4.timestamp = time()
product_fixture_elasticsearch_store.update(p4)
p1.quantity = 10
p1.timestamp = time()
product_fixture_elasticsearch_store.update(p1)
products = (p1, p2, p3, p4)
updates_iterator = elasticsearch_update_fetcher.fetch_updates()
product_updates = self.filter_documents_by_type(
elasticsearch_fixture_index, product_fixture_table, updates_iterator)
assert len(product_updates) == len(products)
updates_by_key = self.group_updates_by_key(product_updates)
for product in products:
update = updates_by_key[product.key]
assert abs(product.timestamp - update.timestamp) < 0.001
assert product.name == update.get_field_value("name")
assert product.description == update.get_field_value("description")
assert product.price == Decimal(update.get_field_value("price"))
assert product.enabled == update.get_field_value("enabled")
assert product.quantity == update.get_field_value("quantity")
def test_fetch_updates_with_minimum_time(self, elasticsearch_update_fetcher,
product_fixture_elasticsearch_store, elasticsearch_fixture_index,
product_fixture_table):
before_minimum_timestamp = time()
p1 = ProductFixture(_id=uuid4(), name="navy polo shirt", description="great shirt, great price!",
quantity=5, price=Decimal("99.99"), enabled=True, timestamp=before_minimum_timestamp)
p2 = ProductFixture(_id=uuid4(), name="cool red shorts", description="perfect to go to the beach",
quantity=7, price=Decimal("49.99"), enabled=False, timestamp=before_minimum_timestamp)
p3 = ProductFixture(_id=uuid4(), name="black DC skater shoes", description="yo!",
quantity=10, price=Decimal("149.99"), enabled=True, timestamp=before_minimum_timestamp)
product_fixture_elasticsearch_store.create(p1)
product_fixture_elasticsearch_store.create(p2)
product_fixture_elasticsearch_store.create(p3)
sleep(0.001)
minimum_timestamp = time()
p3.description = "very cool shoes"
p3.price = Decimal("199.99")
p3.timestamp = time()
product_fixture_elasticsearch_store.update(p3)
p4 = ProductFixture(_id=uuid4(), name="black gloves", description="warm, comfortable gloves",
quantity=7, price=Decimal("19.99"), enabled=True, timestamp=time())
product_fixture_elasticsearch_store.create(p4)
p4.description = "warm, comfortable, one-size fits all gloves"
p4.quantity = 19
product_fixture_elasticsearch_store.update(p4)
p2.quantity = 10
p2.timestamp = time()
product_fixture_elasticsearch_store.update(p2)
updates_iterator = elasticsearch_update_fetcher.fetch_updates(minimum_timestamp)
product_updates = self.filter_documents_by_type(
elasticsearch_fixture_index, product_fixture_table, updates_iterator)
assert len(product_updates) == 3
updates_by_key = self.group_updates_by_key(product_updates)
assert p2.key in updates_by_key
assert p3.key in updates_by_key
assert p4.key in updates_by_key
assert p1.key not in updates_by_key
def test_partial_update(self, product_fixture_elasticsearch_store):
_id = uuid4()
original_name = "jeans"
original_description = "cool jeans"
original_quantity = 5
product = ProductFixture(_id=_id,
timestamp=time(),
name=original_name,
description=original_description,
quantity=original_quantity)
product_fixture_elasticsearch_store.create(product)
updated_description = "red t-shirt"
updated_quantity = 10
product.description = updated_description
product.quantity = updated_quantity
product.timestamp = time()
product_fixture_elasticsearch_store.update(product)
read_product = product_fixture_elasticsearch_store.read(_id)
assert read_product.name == original_name
assert read_product.description == updated_description
assert read_product.quantity == updated_quantity
def test_full_update(self, product_fixture_elasticsearch_store):
_id = uuid4()
product = ProductFixture(_id=_id,
timestamp=time(),
name="jeans",
description="cool jeans",
quantity=5,
price=Decimal("49.99"),
enabled=False)
product_fixture_elasticsearch_store.create(product)
updated_name = "shirt"
updated_description = "red t-shirt"
updated_quantity = 10
updated_price = Decimal("99.99")
updated_enabled = True
product.name = updated_name
product.description = updated_description
product.quantity = updated_quantity
product.price = updated_price
product.enabled = updated_enabled
product.timestamp = time()
product_fixture_elasticsearch_store.update(product)
read_product = product_fixture_elasticsearch_store.read(_id)
assert read_product.name == updated_name
assert read_product.description == updated_description
assert read_product.quantity == updated_quantity
assert read_product.price == updated_price
assert read_product.enabled == updated_enabled
def test_full_update(self, product_fixture_elasticsearch_store):
_id = uuid4()
product = ProductFixture(_id=_id, timestamp=time(), name="jeans", description="cool jeans", quantity=5,
price=Decimal("49.99"), enabled=False)
product_fixture_elasticsearch_store.create(product)
updated_name = "shirt"
updated_description = "red t-shirt"
updated_quantity = 10
updated_price = Decimal("99.99")
updated_enabled = True
product.name = updated_name
product.description = updated_description
product.quantity = updated_quantity
product.price = updated_price
product.enabled = updated_enabled
product.timestamp = time()
product_fixture_elasticsearch_store.update(product)
read_product = product_fixture_elasticsearch_store.read(_id)
assert read_product.name == updated_name
assert read_product.description == updated_description
assert read_product.quantity == updated_quantity
assert read_product.price == updated_price
assert read_product.enabled == updated_enabled
def test_fetch_multiple_save_updates_for_the_same_entity(
self, cassandra_update_fetcher, product_fixture_cassandra_store):
_id = uuid.uuid4()
timestamp = time()
product_fixture = ProductFixture(_id=_id,
timestamp=timestamp,
name="The new MacBook Pro by Apple",
quantity=10,
description="it's amazing",
price=Decimal("1999.99"),
enabled=True)
product_fixture_cassandra_store.create(product_fixture)
product_fixture.price = Decimal("1499.99")
product_fixture.timestamp = time()
product_fixture_cassandra_store.update(product_fixture)
product_fixture.description = "it' beyond amazing"
product_fixture.enabled = False
product_fixture.timestamp = time()
product_fixture_cassandra_store.update(product_fixture)
updates_iterator = cassandra_update_fetcher.fetch_updates(
minimum_timestamp=timestamp)
updates = []
for update in updates_iterator:
updates.append(update)
assert len(updates) == 3
fields = {}
for update in updates:
for field in update.fields:
fields[field.name] = field.value
assert fields["price"] == Decimal("1499.99")
assert fields["description"] == "it' beyond amazing"
assert fields["enabled"] is False
def test_do_not_apply_update_to_existing_document_if_it_was_already_updated(
self, update_applier, cassandra_fixture_keyspace,
product_fixture_table, product_fixture_cassandra_store):
keyspace = cassandra_fixture_keyspace
table = product_fixture_table
_id = uuid4()
original_name = "jeans"
original_description = "cool jeans"
original_quantity = 5
product = ProductFixture(_id=_id,
timestamp=time(),
name=original_name,
description=original_description,
quantity=original_quantity)
product_fixture_cassandra_store.create(product)
updated_name = "t-shirt"
updated_description = "cool red t-shirt"
updated_quantity = 10
obsolete_update = build_update(namespace=keyspace,
table=table,
key=str(_id),
timestamp=time(),
fields=build_fields(
name=updated_name,
description=updated_description,
quantity=updated_quantity))
sleep(0.001)
more_recently_updated_name = "shoes"
more_recently_updated_description = "skater shoes"
product.name = more_recently_updated_name
product.description = more_recently_updated_description
product.timestamp = time()
product_fixture_cassandra_store.update(product)
update_applier.apply_update(obsolete_update)
product = product_fixture_cassandra_store.read(_id)
assert product.name == more_recently_updated_name
assert product.description == more_recently_updated_description
assert product.quantity == original_quantity
def test_do_not_apply_update_to_existing_document_if_it_was_already_updated(self, update_applier,
elasticsearch_fixture_index, product_fixture_table, product_fixture_elasticsearch_store):
_index = elasticsearch_fixture_index
_type = product_fixture_table
_id = uuid4()
original_name = "jeans"
original_description = "cool jeans"
original_quantity = 5
product = ProductFixture(_id=_id, timestamp=time(),
name=original_name, description=original_description, quantity=original_quantity)
product_fixture_elasticsearch_store.create(product)
updated_name = "t-shirt"
updated_description = "cool red t-shirt"
updated_quantity = 10
obsolete_update = build_update(namespace=_index, table=_type, key=str(_id), timestamp=time(),
fields=build_fields(name=updated_name,
description=updated_description,
quantity=updated_quantity))
sleep(0.001)
more_recently_updated_name = "shoes"
more_recently_updated_description = "skater shoes"
product.name = more_recently_updated_name
product.description = more_recently_updated_description
product.timestamp = time()
product_fixture_elasticsearch_store.update(product)
update_applier.apply_update(obsolete_update)
product = product_fixture_elasticsearch_store.read(_id)
assert product.name == more_recently_updated_name
assert product.description == more_recently_updated_description
assert product.quantity == original_quantity
def test_partial_update(self, product_fixture_elasticsearch_store):
_id = uuid4()
original_name = "jeans"
original_description = "cool jeans"
original_quantity = 5
product = ProductFixture(_id=_id, timestamp=time(), name=original_name,
description=original_description, quantity=original_quantity)
product_fixture_elasticsearch_store.create(product)
updated_description = "red t-shirt"
updated_quantity = 10
product.description = updated_description
product.quantity = updated_quantity
product.timestamp = time()
product_fixture_elasticsearch_store.update(product)
read_product = product_fixture_elasticsearch_store.read(_id)
assert read_product.name == original_name
assert read_product.description == updated_description
assert read_product.quantity == updated_quantity
def test_fetch_updates_with_minimum_time(
self, elasticsearch_update_fetcher,
product_fixture_elasticsearch_store, elasticsearch_fixture_index,
product_fixture_table):
before_minimum_timestamp = time()
p1 = ProductFixture(_id=uuid4(),
name="navy polo shirt",
description="great shirt, great price!",
quantity=5,
price=Decimal("99.99"),
enabled=True,
timestamp=before_minimum_timestamp)
p2 = ProductFixture(_id=uuid4(),
name="cool red shorts",
description="perfect to go to the beach",
quantity=7,
price=Decimal("49.99"),
enabled=False,
timestamp=before_minimum_timestamp)
p3 = ProductFixture(_id=uuid4(),
name="black DC skater shoes",
description="yo!",
quantity=10,
price=Decimal("149.99"),
enabled=True,
timestamp=before_minimum_timestamp)
product_fixture_elasticsearch_store.create(p1)
product_fixture_elasticsearch_store.create(p2)
product_fixture_elasticsearch_store.create(p3)
sleep(0.001)
minimum_timestamp = time()
p3.description = "very cool shoes"
p3.price = Decimal("199.99")
p3.timestamp = time()
product_fixture_elasticsearch_store.update(p3)
p4 = ProductFixture(_id=uuid4(),
name="black gloves",
description="warm, comfortable gloves",
quantity=7,
price=Decimal("19.99"),
enabled=True,
timestamp=time())
product_fixture_elasticsearch_store.create(p4)
p4.description = "warm, comfortable, one-size fits all gloves"
p4.quantity = 19
product_fixture_elasticsearch_store.update(p4)
p2.quantity = 10
p2.timestamp = time()
product_fixture_elasticsearch_store.update(p2)
updates_iterator = elasticsearch_update_fetcher.fetch_updates(
minimum_timestamp)
product_updates = self.filter_documents_by_type(
elasticsearch_fixture_index, product_fixture_table,
updates_iterator)
assert len(product_updates) == 3
updates_by_key = self.group_updates_by_key(product_updates)
assert p2.key in updates_by_key
assert p3.key in updates_by_key
assert p4.key in updates_by_key
assert p1.key not in updates_by_key
def test_fetch_updates_from_the_beginning_of_time(
self, elasticsearch_update_fetcher,
product_fixture_elasticsearch_store, elasticsearch_fixture_index,
product_fixture_table):
p1 = ProductFixture(_id=uuid4(),
name="navy polo shirt",
description="great shirt, great price!",
quantity=5,
price=Decimal("99.99"),
enabled=True,
timestamp=time())
p2 = ProductFixture(_id=uuid4(),
name="cool red shorts",
description="perfect to go to the beach",
quantity=7,
price=Decimal("49.99"),
enabled=False,
timestamp=time())
p3 = ProductFixture(_id=uuid4(),
name="black DC skater shoes",
description="yo!",
quantity=10,
price=Decimal("149.99"),
enabled=True,
timestamp=time())
product_fixture_elasticsearch_store.create(p1)
product_fixture_elasticsearch_store.create(p2)
product_fixture_elasticsearch_store.create(p3)
sleep(0.001)
p3.description = "very cool shoes"
p3.price = Decimal("199.99")
p3.timestamp = time()
product_fixture_elasticsearch_store.update(p3)
p4 = ProductFixture(_id=uuid4(),
name="black gloves",
description="warm, comfortable gloves",
quantity=7,
price=Decimal("19.99"),
enabled=True,
timestamp=time())
product_fixture_elasticsearch_store.create(p4)
p4.description = "warm, comfortable, one-size fits all gloves"
p4.quantity = 19
p4.timestamp = time()
product_fixture_elasticsearch_store.update(p4)
p1.quantity = 10
p1.timestamp = time()
product_fixture_elasticsearch_store.update(p1)
products = (p1, p2, p3, p4)
updates_iterator = elasticsearch_update_fetcher.fetch_updates()
product_updates = self.filter_documents_by_type(
elasticsearch_fixture_index, product_fixture_table,
updates_iterator)
assert len(product_updates) == len(products)
updates_by_key = self.group_updates_by_key(product_updates)
for product in products:
update = updates_by_key[product.key]
assert abs(product.timestamp - update.timestamp) < 0.001
assert product.name == update.get_field_value("name")
assert product.description == update.get_field_value("description")
assert product.price == Decimal(update.get_field_value("price"))
assert product.enabled == update.get_field_value("enabled")
assert product.quantity == update.get_field_value("quantity")