def testToOneOf(self):
"""Test the ToOneOf converter."""
cvtList = [
cvt.Converter(cvt.toType, float),
cvt.Converter(cvt.toType, str),
]
converter = cvt.toOneOf
s1 = "test"
f1 = "1234"
rs = s1
rf = float(f1)
t = converter(s1, cvtList)
self.assertEqual(rs, t, "Incorrect conversion of a string.")
t = converter(f1, cvtList)
self.assertEqual(rf, t, "Incorrect conversion of an Epoch.")
self.assertRaises(Exception,
converter, [1, 2],
cvtList,
name='value',
msg="List argument should be an error.")
def testToListOf(self):
"""Test the ToListOf converter."""
cvtType = cvt.Converter(cvt.toType, float)
converter = cvt.toListOf
l1 = ["123", 1234.0, 5]
right = map(float, l1)
v = converter(l1, cvtType)
self.assertEqual(right, v, "Incorrect conversion of list.")
v = converter(right, cvtType)
self.assertEqual(right, v, "Incorrect conversion of floats.")
v = converter(tuple(l1), cvtType)
self.assertEqual(right, v, "Incorrect conversion of tuples.")
self.assertRaises(Exception,
converter, ["foo bar"],
cvtType,
name='value',
msg="Invalid string argument should be an error.")
self.assertRaises(Exception,
converter,
"foo bar",
cvtType,
name='value',
msg="Invalid non-list argument should be an error.")
def testAllowNone(self):
"""None item promotion"""
cvtType = cvt.Converter(cvt.toType, float)
converter = cvt.toListOf
v = converter(None, cvtType, allowNone=True)
self.assertEqual(None, v, "Incorrect conversion of none item.")
def testAllowOne(self):
"""Single item promotion"""
cvtType = cvt.Converter(cvt.toType, float)
converter = cvt.toListOf
l1 = ["123"]
right = map(float, l1)
v = converter(l1[0], cvtType, allowOne=True)
self.assertEqual(right, v, "Incorrect conversion of single item.")
class MySubSubSubStyle( S.types.SubStyle ):
"""A Sub-Classed Style."""
prop = S.types.StyleProperty( default = 0.0, validator = \
cvt.Converter( cvt.toType, float,
allowNone=True ) )
value = S.types.StyleProperty( default = None )
#-----------------------------------------------------------------------
def __init__( self, **kwargs ):
S.types.SubStyle.__init__( self, **kwargs )
def testAllowNone(self):
"""Test allow none."""
converter = cvt.toExactListOf
cvtList = [cvt.Converter(cvt.toType, float)]
result = converter(None, cvtList, allowNone=True)
self.assertEqual(None, result, "Incorrect conversion of none.")
s1 = "123"
right = [123]
result = converter([s1], cvtList, allowNone=True)
self.assertEqual(right, result,
"Incorrect conversion with allow none.")
def testToExactListOf(self):
"""Test the ToExactListOf converter."""
# Test the case with only one element.
converter = cvt.toExactListOf
cvtList = [cvt.Converter(cvt.toType, float, allowNone=False)]
d1 = "10"
right = [10]
result = converter([d1], cvtList)
self.assertEqual(right, result,
"Incorrect conversion of list with one element.")
self.assertRaises(Exception,
converter,
d1,
cvtList,
name='value',
msg="Use non-list argument should be an error.")
self.assertRaises(Exception,
converter, [d1, d1],
cvtList,
name='value',
msg="Use list with wrong size should be an error.")
self.assertRaises(Exception,
converter, ["foo bar"],
cvtList,
name='value',
msg="Use list with wrong type should be an error.")
self.assertRaises(
Exception,
converter,
None,
cvtList,
name='value',
msg="Use None with AllowNone=False should be an error.")
# Test the case with multiple elements.
cvtList = [
cvt.Converter(cvt.toType, float),
cvt.Converter(cvt.toType, str)
]
s1 = "test"
f1 = "123"
right = [123.0, "test"]
result = converter([f1, s1], cvtList)
self.assertEqual(
right, result,
"Incorrect conversion of list with multiple elements.")
result = converter((f1, s1), cvtList)
self.assertEqual(right, result, "Incorrect conversion of tuple.")
self.assertRaises(Exception,
converter,
s1,
cvtList,
msg="Use non-list argument should be an error.")
self.assertRaises(Exception,
converter, [s1],
cvtList,
msg="Use list with wrong size should be an error.")
self.assertRaises(Exception,
converter, [f1, s1],
cvtList,
msg="Use list with wrong order should be an error.")
self.assertRaises(
Exception,
converter,
None,
cvtList,
msg="Use None with AllowNone=False should be an error.")