def test_basic_operations(self):
"""" Integration test for the basic operations """
DATABASE.drop_tables([Customer])
DATABASE.close()
DATABASE.create_tables([Customer])
DATABASE.close()
# Add customers to the db
add_customers(self.test_customer)
cust_found = search_customer(2)
self.assertEqual(self.test_customer[1][5], cust_found.get("email"))
update_customer_credit(1, 500.00)
self.assertEqual(500.00, Customer.get_by_id(1).credit_limit)
# Find out how many customers are active
active_cust = list_active_customers()
self.assertEqual(2, active_cust)
# Delete a customer then try to find it
delete_customer(2)
self.assertDictEqual({}, search_customer(2))
# Find out how many customers are active and list their names
self.assertEqual(1, list_active_customers())
self.assertEqual(["Reed Richards"], list_active_customer_names())
def init_database():
"""This function checks to see if the database exists, and if not, generates the tables."""
database.init(DATABASE_NAME)
database.connect()
database.execute_sql('PRAGMA foreign_keys = ON')
if not database.table_exists([Customer]):
database.create_tables([Customer])
database.close()
def set_up_db():
"""
Set up routine needed for all tests to make sure the db is in a
known/empty state
"""
DATABASE.drop_tables([Customer])
DATABASE.close()
DATABASE.create_tables([Customer])
DATABASE.close()
def update_customer_credit(customer_id, credit_limit):
"""Updates a customer's credit limit in the database."""
init_database()
try:
customer = Customer.get_by_id(customer_id)
customer.credit_limit = credit_limit
customer.save()
return True
except peewee.DoesNotExist:
logging.error("Customer ID %s doesn't exist in database.", customer_id)
raise ValueError('Customer ID does not exist in database.')
finally:
database.close()
def delete_customer(customer_id):
"""Deletes a customer from the database."""
init_database()
try:
with database.transaction():
customer = Customer.get_by_id(customer_id)
customer.delete_instance()
logging.info('Customer with ID %s successfully deleted.',
customer_id)
return True
except peewee.DoesNotExist:
logging.error('Customer delete with ID %s failed, not in database..',
customer_id)
return False
finally:
database.close()
def search_customer(customer_id):
"""Searches for a customer in the database, returning a dictionary of contact info if found."""
init_database()
try:
customer = Customer.get_by_id(customer_id)
customer_dict = {
'name': customer.name,
'lastname': customer.lastname,
'email_address': customer.email_address,
'phone_number': customer.phone_number
}
return customer_dict
except peewee.DoesNotExist:
logging.warning("Customer ID %s doesn't exist in database.",
customer_id)
return {}
finally:
database.close()
def setUp(self):
"""Defines starting test database used for function testing."""
self.starting_db = [(1, 'Bob', 'Bobbo', '12 Green St', '1112223344',
'*****@*****.**', False, 85000),
(2, 'Jane', 'Janeo', '1550 Red Rd', '1118675309',
'*****@*****.**', True, 150000),
(5, 'Wilson', 'Volleyball', '1 Castaway Island', '0000000000',
'*****@*****.**', True, 0)
]
database.init(TEST_DATABASE)
database.connect()
database.execute_sql('PRAGMA foreign_keys = ON')
database.create_tables([Customer])
with database.transaction():
Customer.delete().execute()
Customer.insert_many(self.starting_db, fields=[Customer.customer_id, Customer.name,
Customer.lastname, Customer.home_address,
Customer.phone_number,
Customer.email_address,
Customer.active_status,
Customer.credit_limit
]).execute()
database.close()
def add_customer(customer_id, name, lastname, home_address, phone_number,
email_address, status, credit_limit):
"""Adds a new customer to the database."""
init_database()
try:
with database.transaction():
new_customer = Customer.create(customer_id=customer_id,
name=name,
lastname=lastname,
home_address=home_address,
phone_number=phone_number,
email_address=email_address,
active_status=status,
credit_limit=credit_limit)
new_customer.save()
logging.info('New customer, ID %s, added successfully.',
customer_id)
return True
except peewee.IntegrityError as exc:
logging.error('Error creating new customer with ID %s: %s.',
customer_id, exc)
return False
finally:
database.close()
def tearDownClass(cls):
"""
close the database connection at the end of each test.
"""
# print('teardown method is called')
DATABASE.close()
FILE_HANDLER = logging.FileHandler(LOG_FILE)
FILE_HANDLER.setFormatter(FORMATTER)
FILE_HANDLER.setLevel(logging.INFO)
CONSOLE_HANDLER = logging.StreamHandler()
CONSOLE_HANDLER.setLevel(logging.DEBUG)
CONSOLE_HANDLER.setFormatter(FORMATTER)
LOGGER = logging.getLogger()
LOGGER.addHandler(FILE_HANDLER)
LOGGER.info('One off program to build the classes from the model in \
the database')
DATABASE.create_tables([Customer])
DATABASE.close()
CUSTOMERS = [
(1, 'Allen', 'Iverson', 'Philadelphia', '555-123-4567', '*****@*****.**',
True, 2000),
(2, 'Shaw', 'Kemp', 'Seattle', '123-512-3568', '*****@*****.**', True,
1000),
(3, 'Vince', 'Carter', 'Torento', '236-123-4569', '*****@*****.**',
True, 5000),
(4, 'Rose', 'Derrick', 'Chicago', '854-123-4570', '*****@*****.**', False,
2000),
(5, 'Steve', 'Nash', 'Phoenix', '654-568-4961', '*****@*****.**', False,
100),
]
