def __init__(self):
super(UniqueRandomDataFixture, self).__init__()
self.filler = AutoDataFiller()
class UniqueRandomDataFixture(BaseDataFixture, GeoDjangoDataFixture):
DEFAULT_LENGTH = 10
OBJECT_COUNT = 512
WARNING_MESSAGE_TMPL = (
'Maximum number of objects (%d) is exceeded in '
'unique_random_fixture. Uniqueness is not guaranteed.')
def __init__(self):
super(UniqueRandomDataFixture, self).__init__()
self.filler = AutoDataFiller()
def get_counter(self, field, key):
result = self.filler.next(key)
if result > self.OBJECT_COUNT:
warn(self.WARNING_MESSAGE_TMPL % self.OBJECT_COUNT, RuntimeWarning)
return result
def random_string(self, field, key, n=None):
counter = six.text_type(self.get_counter(field, key))
length = n or self.DEFAULT_LENGTH
result = counter
result += six.text_type('').join(
random.choice(string.ascii_letters)
for _ in xrange(length - len(counter)))
return result
def random_integer(self, field, key, signed=True):
counter = self.get_counter(field, key) - 1
counter %= self.OBJECT_COUNT
if not signed:
MAX_INT = 2**16
multiplier = MAX_INT // self.OBJECT_COUNT
return random.randrange(multiplier * counter + 1,
multiplier * (counter + 1))
MAX_SIGNED_INT = 2**15
multiplier = MAX_SIGNED_INT // self.OBJECT_COUNT
positive_range = range(multiplier * counter + 1,
multiplier * (counter + 1))
negative_range = range((-multiplier) * (counter + 1),
(-multiplier) * counter)
return random.choice(list(chain(positive_range, negative_range)))
# NUMBERS
def integerfield_config(self, field, key):
return self.random_integer(field, key)
def smallintegerfield_config(self, field, key):
return self.random_integer(field, key)
def bigintegerfield_config(self, field, key):
return self.random_integer(field, key)
def positiveintegerfield_config(self, field, key):
return self.random_integer(field, key, signed=False)
def positivesmallintegerfield_config(self, field, key):
return self.random_integer(field, key, signed=False)
def floatfield_config(self, field, key):
return float(self.random_integer(field, key)) + random.random()
def decimalfield_config(self, field, key):
number_of_digits = field.max_digits - field.decimal_places
max_value = 10**number_of_digits
value = self.random_integer(field, key) % max_value
value = float(value) + random.random()
return Decimal(str(value))
# STRINGS
def charfield_config(self, field, key):
return self.random_string(field, key, field.max_length)
def textfield_config(self, field, key):
return self.charfield_config(field, key)
def slugfield_config(self, field, key):
return self.charfield_config(field, key)
def commaseparatedintegerfield_config(self, field, key):
return self.charfield_config(field, key)
# BOOLEAN
def booleanfield_config(self, field, key):
counter = self.get_counter(field, key)
if counter == 1:
return True
elif counter == 2:
return False
return random.choice((True, False))
def nullbooleanfield_config(self, field, key):
counter = self.get_counter(field, key)
if counter == 1:
return None
elif counter == 2:
return True
elif counter == 3:
return False
return random.choice((None, True, False))
# DATE/TIME RELATED
def datefield_config(self, field, key):
integer = self.random_integer(field, key, signed=False)
return date.today() - timedelta(days=integer)
def timefield_config(self, field, key):
integer = self.random_integer(field, key, signed=False)
return now() - timedelta(seconds=integer)
def datetimefield_config(self, field, key):
integer = self.random_integer(field, key, signed=False)
return now() - timedelta(seconds=integer)
# FORMATTED STRINGS
def emailfield_config(self, field, key):
return six.text_type('*****@*****.**') % self.random_string(
field, key)
def urlfield_config(self, field, key):
return six.text_type(
'http://dynamicfixture%s.com') % self.random_string(field, key)
# Deprecated in Django >= 1.7
def ipaddressfield_config(self, field, key):
MAX_IP = 2**32 - 1
integer = self.random_integer(field, key, signed=False)
integer %= MAX_IP
return six.text_type(socket.inet_ntoa(struct.pack('!L', integer)))
def xmlfield_config(self, field, key):
return six.text_type('<a>%s</a>') % self.random_string(field, key)
# FILES
def filepathfield_config(self, field, key):
return self.random_string(field, key)
def filefield_config(self, field, key):
return self.random_string(field, key)
def imagefield_config(self, field, key):
return self.random_string(field, key)
def __init__(self):
self.filler = AutoDataFiller()
def __init__(self):
self.filler = AutoDataFiller()
class UniqueRandomDataFixture(DataFixture):
DEFAULT_LENGTH = 10
OBJECT_COUNT = 512
WARNING_MESSAGE_TMPL = (
'Maximum number of objects (%d) is exceeded in '
'unique_random_fixture. Uniqueness is not guaranteed.'
)
def __init__(self):
self.filler = AutoDataFiller()
def get_counter(self, field, key):
result = self.filler.next(key)
if result > self.OBJECT_COUNT:
warn(self.WARNING_MESSAGE_TMPL % self.OBJECT_COUNT, RuntimeWarning)
return result
def random_string(self, field, key, n=None):
counter = six.text_type(self.get_counter(field, key))
length = n or self.DEFAULT_LENGTH
result = counter
result += u''.join(
random.choice(string.ascii_letters)
for _ in xrange(length - len(counter))
)
return result
def random_integer(self, field, key, signed=True):
counter = self.get_counter(field, key) - 1
counter %= self.OBJECT_COUNT
if not signed:
MAX_INT = 2 ** 16
multiplier = MAX_INT // self.OBJECT_COUNT
return random.randrange(
multiplier * counter + 1, multiplier * (counter + 1)
)
MAX_SIGNED_INT = 2 ** 15
multiplier = MAX_SIGNED_INT // self.OBJECT_COUNT
positive_range = range(
multiplier * counter + 1, multiplier * (counter + 1)
)
negative_range = range(
(-multiplier) * (counter + 1), (-multiplier) * counter
)
return random.choice(list(chain(positive_range, negative_range)))
# NUMBERS
def integerfield_config(self, field, key):
return self.random_integer(field, key)
def smallintegerfield_config(self, field, key):
return self.random_integer(field, key)
def bigintegerfield_config(self, field, key):
return self.random_integer(field, key)
def positiveintegerfield_config(self, field, key):
return self.random_integer(field, key, signed=False)
def positivesmallintegerfield_config(self, field, key):
return self.random_integer(field, key, signed=False)
def floatfield_config(self, field, key):
return float(self.random_integer(field, key)) + random.random()
def decimalfield_config(self, field, key):
number_of_digits = field.max_digits - field.decimal_places
max_value = 10 ** number_of_digits
value = self.random_integer(field, key) % max_value
value = float(value) + random.random()
return Decimal(str(value))
# STRINGS
def charfield_config(self, field, key):
return self.random_string(field, key, field.max_length)
def textfield_config(self, field, key):
return self.charfield_config(field, key)
def slugfield_config(self, field, key):
return self.charfield_config(field, key)
def commaseparatedintegerfield_config(self, field, key):
return self.charfield_config(field, key)
# BOOLEAN
def booleanfield_config(self, field, key):
counter = self.get_counter(field, key)
if counter == 1:
return True
elif counter == 2:
return False
return random.choice((True, False))
def nullbooleanfield_config(self, field, key):
counter = self.get_counter(field, key)
if counter == 1:
return None
elif counter == 2:
return True
elif counter == 3:
return False
return random.choice((None, True, False))
# DATE/TIME RELATED
def datefield_config(self, field, key):
integer = self.random_integer(field, key, signed=False)
return date.today() - timedelta(days=integer)
def timefield_config(self, field, key):
integer = self.random_integer(field, key, signed=False)
return now() - timedelta(seconds=integer)
def datetimefield_config(self, field, key):
integer = self.random_integer(field, key, signed=False)
return now() - timedelta(seconds=integer)
# FORMATTED STRINGS
def emailfield_config(self, field, key):
return u'*****@*****.**' % self.random_string(field, key)
def urlfield_config(self, field, key):
return u'http://dynamicfixture%s.com' % self.random_string(field, key)
def ipaddressfield_config(self, field, key):
MAX_IP = 2 ** 32 - 1
integer = self.random_integer(field, key, signed=False)
integer %= MAX_IP
return six.text_type(socket.inet_ntoa(struct.pack('!L', integer)))
def xmlfield_config(self, field, key):
return u'<a>%s</a>' % self.random_string(field, key)
# FILES
def filepathfield_config(self, field, key):
return self.random_string(field, key)
def filefield_config(self, field, key):
return self.random_string(field, key)
def imagefield_config(self, field, key):
return self.random_string(field, key)
def __init__(self):
super(UniqueRandomDataFixture, self).__init__()
self.filler = AutoDataFiller()
