def test_keep_if_more_other(self):
"""keep_if_more_other should be True if #other items > x"""
self.assertRaises(ValueError, keep_if_more_other,'lksfj','ks') #not int
self.assertRaises(IndexError,keep_if_more_other,'ACGU',-3) #negative
f = keep_if_more_other('a',0) #zero
self.assertEqual(f(''),0)
self.assertEqual(f('a'),0)
self.assertEqual(f('b'),1)
# works on strings
f = keep_if_more_other('ACGU',5) #positive
self.assertEqual(f(''),0)
self.assertEqual(f('ACGUNNNNN'),0)
self.assertEqual(f('ACGUAGCUioooNNNNNA'),1)
self.assertEqual(f('NNNNNNN'),1)
# works on words
f = keep_if_more_other(['foo'],1)
self.assertEqual(f(''),0)
self.assertEqual(f(['foo', 'bar','foo']),0)
self.assertEqual(f(['joe','oef']),1)
# works on numbers
f = keep_if_more_other([0,1],3)
self.assertEqual(f(''),0)
self.assertEqual(f([0,1,2,3,4,5]),1)
self.assertEqual(f([0,1,0,1]),0)
def test_init(self):
"""Filter should init as expected"""
empty_filter = Filter('',{})
named_empty_filter = Filter('Archaea',{})
self.assertEqual(empty_filter,{})
self.assertEqual(empty_filter.Name,'')
self.assertEqual(named_empty_filter,{})
self.assertEqual(named_empty_filter.Name,'Archaea')
f = find_all('abcd')
g = keep_if_more_other('ab',7)
fil = Filter('Archaea',{'Arch':[f,g]})
assert fil['Arch'][0] is f
assert fil['Arch'][1] is g
