def test_prepare_value_fraction(self):
"""
Test that a :class:`fractions.Fraction` is properly converted to a string fraction
"""
field = FractionField()
result = field.prepare_value(fractions.Fraction('1/2'))
self.assertEqual('1/2', result)
def test_prepare_value_fraction(self):
"""
Test that a :class:`fractions.Fraction` is properly converted to a string fraction
"""
field = FractionField()
result = field.prepare_value(fractions.Fraction('1/2'))
self.assertEqual('1/2', result)
def test_prepare_value_limit_denominator(self):
"""
Test `prepare_value()` when the field has been initialized
with the limit_denominator paramter
"""
field = FractionField(limit_denominator=3)
result = field.prepare_value(Decimal(1 / 3.0))
self.assertEqual('1/3', result)
def test_prepare_value_decimal(self):
"""
Test that a :class:`decimal.Decimal` is properly
converted to a string fraction
"""
field = FractionField()
result = field.prepare_value(Decimal('.5'))
self.assertEqual('1/2', result)
def test_prepare_value_int(self):
"""
Test that a standard int as input is returned
as a string of that int, so `1` is returned as `'1'`
"""
field = FractionField()
result = field.prepare_value(1)
self.assertEqual('1', result)
def test_prepare_value_int(self):
"""
Test that a standard int as input is returned
as a string of that int, so `1` is returned as `'1'`
"""
field = FractionField()
result = field.prepare_value(1)
self.assertEqual('1', result)
def test_prepare_value_limit_denominator(self):
"""
Test `prepare_value()` when the field has been initialized
with the limit_denominator paramter
"""
field = FractionField(limit_denominator=3)
result = field.prepare_value(Decimal(1/3.0))
self.assertEqual('1/3', result)
def test_prepare_value_decimal(self):
"""
Test that a :class:`decimal.Decimal` is properly
converted to a string fraction
"""
field = FractionField()
result = field.prepare_value(Decimal('.5'))
self.assertEqual('1/2', result)
def test_to_python_float(self):
"""
Test that whena :class:`float` is passed to to_python()
the value is returned as as :class:`fractions.Fraction`
"""
field = FractionField()
value = .5
result = field.to_python(value)
self.assertEqual(fractions.Fraction(value), result)
def test_to_python_decimal(self):
"""
Test that when a :class:`decimal.Decimal` is passed to to_python()
a :class:`fractions.Fraction` is returned
"""
field = FractionField()
value = Decimal(.5)
result = field.to_python(value)
self.assertEqual(fractions.Fraction(value), result)
def test_to_python_float(self):
"""
Test that whena :class:`float` is passed to to_python()
the value is returned as as :class:`fractions.Fraction`
"""
field = FractionField()
value = .5
result = field.to_python(value)
self.assertEqual(fractions.Fraction(value), result)
def test_to_python_int(self):
"""
Test that whena :class:`int` is passed to to_python()
the value is returned as as :class:`decimal.Decimal`
"""
field = FractionField()
value = 1
result = field.to_python(value)
self.assertEqual(fractions.Fraction(value), result)
def test_to_python_hyphenated_mixed_fraction_string(self):
field = FractionField()
value = '1-1/2'
result = field.to_python(value)
self.assertEqual(fractions.Fraction('3/2'), result)
value = '1 - 1/2'
result = field.to_python(value)
self.assertEqual(fractions.Fraction('3/2'), result)
def test_to_python_hyphenated_mixed_fraction_string(self):
field = FractionField()
value = '1-1/2'
result = field.to_python(value)
self.assertEqual(fractions.Fraction('3/2'), result)
value = '1 - 1/2'
result = field.to_python(value)
self.assertEqual(fractions.Fraction('3/2'), result)
def test_to_python_int(self):
"""
Test that whena :class:`int` is passed to to_python()
the value is returned as as :class:`decimal.Decimal`
"""
field = FractionField()
value = 1
result = field.to_python(value)
self.assertEqual(fractions.Fraction(value), result)
def test_to_python_decimal(self):
"""
Test that when a :class:`decimal.Decimal` is passed to to_python()
a :class:`fractions.Fraction` is returned
"""
field = FractionField()
value = Decimal(.5)
result = field.to_python(value)
self.assertEqual(fractions.Fraction(value), result)
def test_prepare_value_string(self):
"""
Test string fractions are returns as is
"""
field = FractionField()
result = field.prepare_value('1/4')
self.assertEqual('1/4', result)
result = field.prepare_value('1 1/4')
self.assertEqual('1 1/4', result)
def test_prepare_value_string(self):
"""
Test string fractions are returns as is
"""
field = FractionField()
result = field.prepare_value('1/4')
self.assertEqual('1/4', result)
result = field.prepare_value('1 1/4')
self.assertEqual('1 1/4', result)
def test_prepare_value_coerce_thirds(self):
"""
Test that when coerce_thirds is specified, then .66, .67, and .33, etc.
are converted properly to 1/3 and 2/3
"""
field = FractionField(coerce_thirds=True)
result = field.prepare_value(Decimal(1 / 3.0))
self.assertEqual('1/3', result)
result = field.prepare_value(Decimal(1 / 3.0))
self.assertEqual('1/3', result)
result = field.prepare_value(Decimal(2 / 3.0))
self.assertEqual('2/3', result)
result = field.prepare_value(Decimal(2 / 6.0))
self.assertEqual('1/3', result)
result = field.prepare_value(Decimal(4 / 6.0))
self.assertEqual('2/3', result)
result = field.prepare_value(Decimal(4 / 3.0))
self.assertEqual('1 1/3', result)
result = field.prepare_value(Decimal(5 / 3.0))
self.assertEqual('1 2/3', result)
def test_prepare_value_coerce_thirds(self):
"""
Test that when coerce_thirds is specified, then .66, .67, and .33, etc.
are converted properly to 1/3 and 2/3
"""
field = FractionField(coerce_thirds=True)
result = field.prepare_value(Decimal(1/3.0))
self.assertEqual('1/3', result)
result = field.prepare_value(Decimal(1/3.0))
self.assertEqual('1/3', result)
result = field.prepare_value(Decimal(2/3.0))
self.assertEqual('2/3', result)
result = field.prepare_value(Decimal(2/6.0))
self.assertEqual('1/3', result)
result = field.prepare_value(Decimal(4/6.0))
self.assertEqual('2/3', result)
result = field.prepare_value(Decimal(4/3.0))
self.assertEqual('1 1/3', result)
result = field.prepare_value(Decimal(5/3.0))
self.assertEqual('1 2/3', result)
def test_to_python_validation_errors(self):
field = FractionField()
with self.assertRaises(ValidationError):
field.to_python('abcd')
with self.assertRaises(ValidationError):
field.to_python('1 1 1/3')
with self.assertRaises(ValidationError):
field.to_python('1 1')
def test_to_python_validation_errors(self):
field = FractionField()
with self.assertRaises(ValidationError):
field.to_python('abcd')
with self.assertRaises(ValidationError):
field.to_python('1 1 1/3')
with self.assertRaises(ValidationError):
field.to_python('1 1')
def test_min_value_set(self):
field = FractionField(min_value=1)
with self.assertRaises(ValidationError):
field.run_validators(fractions.Fraction(999, 1000))
def test_max_value_set(self):
field = FractionField(max_value=fractions.Fraction('999/1000'))
with self.assertRaises(ValidationError):
field.run_validators(fractions.Fraction(1, 1))
def test_to_python_fraction_string(self):
field = FractionField()
value = '1/2'
result = field.to_python(value)
self.assertEqual(fractions.Fraction('.5'), result)
def test_to_python_fraction_string(self):
field = FractionField()
value = '1/2'
result = field.to_python(value)
self.assertEqual(fractions.Fraction('.5'), result)
def test_max_value_set(self):
field = FractionField(max_value=fractions.Fraction('999/1000'))
with self.assertRaises(ValidationError):
field.run_validators(fractions.Fraction(1, 1))
def test_min_value_set(self):
field = FractionField(min_value=1)
with self.assertRaises(ValidationError):
field.run_validators(fractions.Fraction(999, 1000))
