def testGenerateFactsDefaultsThirtyFacts(self):
high = 12
low = 0
results = facts.generatefacts(low, high)
self.assertEquals(30,len(results))
def genfacts(self, low=0, high=12, amount=30, op=''):
fs = facts.generatefacts(int(low),int(high),int(amount),op)
latex.buildlatexfile(fs)
filename = 'arithmetic.pdf'
call('pdflatex arithmetic.tex', shell=True)
returnfile = open(filename,'rb')
return serve_fileobj(returnfile,disposition='attachment',
content_type='application/pdf',name=filename)
def genfacts(self, low=0, high=12, amount=30, op=''):
fs = facts.generatefacts(int(low), int(high), int(amount), op)
latex.buildlatexfile(fs)
filename = 'arithmetic.pdf'
call('pdflatex arithmetic.tex', shell=True)
returnfile = open(filename, 'rb')
return serve_fileobj(returnfile,
disposition='attachment',
content_type='application/pdf',
name=filename)
def testGenerateFactsDefaultsToZeroToTwelve(self):
high = 12
low = 0
amount = 500
results = facts.generatefacts(low, high, amount)
for fact in results:
self.assertTrue(low <= fact.left <= high)
self.assertTrue(low <= fact.right <= high)
def testGenerateFactsStaysWithinLimits(self):
high = 15
low = 2
amount = 500
results = facts.generatefacts(low, high, amount)
for fact in results:
self.assertTrue(low <= fact.left <= high)
self.assertTrue(low <= fact.right <= high)
def testGenerateFactsCanGiveMixOfPlusMinus(self):
results = facts.generatefacts(amount=500)
pluscount = 0
minuscount = 0
for fact in results:
if fact.sign == '+':
pluscount += 1
elif fact.sign == '-':
minuscount += 1
else:
self.assertFalse(True)
self.assertEquals(500,pluscount+minuscount)
self.assertTrue(200 < pluscount < 300)
def testGenerateFactsCanGivePlus(self):
results = facts.generatefacts(op='+')
for fact in results:
self.assertEquals('+',fact.sign)
def testGenerateFactsYieldsNoNegatives(self):
results = facts.generatefacts(amount=500, op='-')
for fact in results:
self.assertTrue(fact.result >= 0)
