def login_post(command_bus: CommandBus, query: QueryUserByUserName):
client_request = request.json
validate_client_request(client_request, ['username', 'password'])
login_a_user_command = LoginUser(
username=UserName(client_request['username']),
password=Password(client_request['password']),
)
command_bus.handle(login_a_user_command)
user = query.execute(UserName(client_request['username']))
return to_single_user_response(user), 200
def test_two_variables_with_same_values_should_be_equal(self):
an_id = UserID()
a_user = User(username=UserName('Maria'),
password=Password('uselesspassword'),
about='About Maria',
ID=an_id)
another_user = User(username=UserName('Maria'),
password=Password('uselesspassword'),
about='About Maria',
ID=an_id)
assert a_user == another_user
def test_should_create_a_user(self):
user = User(username=UserName('Maria'),
password=Password('uselesspassword'),
about='About Maria')
assert user.username.contents == 'Maria'
assert user.password.contents == 'uselesspassword'
assert user.about == 'About Maria'
def test_should_raise_an_exception_on_wrong_password(self):
command = LoginUser(username=UserName('Maria'),
password=Password('a_wrong_password'))
user_login_by_username_and_password = UserLoginByUserNameAndPassword(
QueryUserByUserName(InMemoryUsersRepository([maria()])),
FakeClock(a_perfect_day_and_time()))
with self.assertRaises(InvalidCredentials):
user_login_by_username_and_password.execute(command)
def test_should_raise_an_exception_on_unkown_username(self):
command = LoginUser(username=UserName('IDontExist'),
password=Password('a_password'))
user_login_by_username_and_password = UserLoginByUserNameAndPassword(
QueryUserByUserName(InMemoryUsersRepository([maria()])),
FakeClock(a_perfect_day_and_time()))
with self.assertRaises(UnknownUser):
user_login_by_username_and_password.execute(command)
def registration_post(command_bus: CommandBus):
client_request = request.json
validate_client_request(client_request, ['username', 'password', 'about'])
register_a_user_command = RegisterUser(
username=UserName(client_request['username']),
password=Password(client_request['password']),
about=client_request['about'],
ID=UserID())
command_bus.handle(register_a_user_command)
return to_single_user_response(register_a_user_command), 201
def test_should_create_a_copy_with_new_values(self):
a_user = User(username=UserName('Maria'),
password=Password('uselesspassword'),
about='About Maria')
user_with_password_changed = replace(
a_user, password=Password('thispasswordisuselesstoo'))
assert a_user.username == user_with_password_changed.username
assert a_user.about == user_with_password_changed.about
assert user_with_password_changed.password.contents == 'thispasswordisuselesstoo'
assert a_user != user_with_password_changed
def test_should_login_a_user(self):
try:
command = LoginUser(username=UserName('Maria'),
password=Password('a_password'))
user_login_by_username_and_password = UserLoginByUserNameAndPassword(
QueryUserByUserName(InMemoryUsersRepository([maria()])),
FakeClock(a_perfect_day_and_time()))
entity, events = user_login_by_username_and_password.execute(
command)
assert entity is None
assert len(events) == 1
assert events[0].username == command.username
assert events[0].timestamp == a_perfect_day_and_time()
except ValueError as err:
self.fail("Unexpected exception raised: %s" % err)
def maria() -> User:
return User(username=UserName('Maria'),
password=Password('a_password'),
about='About Maria',
ID=UserID('331bfef4-7fe9-47b6-a138-42e81d4a5e14'))
def create_maria() -> RegisterUser:
return RegisterUser(ID=UserID(),
username=UserName('Maria'),
password=Password('a_password'),
about='About Maria')
def bob() -> User:
return User(username=UserName('Bob'),
password=Password('another_password'),
about='About Bob',
ID=UserID('0d43fe15-8ffa-4845-a818-ddba840501b2'))
def test_should_create_a_username(self):
a_username = UserName('maria')
assert a_username.contents == 'maria'
def test_should_not_allow_undefined_username(self):
with self.assertRaises(ValueError):
UserName(None) # noqa
def test_should_not_allow_empty_username(self):
with self.assertRaises(ValueError):
UserName('')
def test_should_not_allow_username_with_spaces(self):
with self.assertRaises(ValueError):
UserName('invalid username')