def test_proportion(self):
perc = lambda p, w: 100 * float(p) / float(w)
m = Mixer(num_req=1000)
input_data = {
'a': ('test_a', 50.0, self.debug_gen('a')),
'b': ('test_b', 22.5, self.debug_gen('b')),
'c': ('test_c', 27.5, self.debug_gen('c')),
}
for struct in input_data.values():
m.add_generator(*struct)
res = Counter()
for r in m:
res[r] += 1
total = sum(res.values())
for char, num in res.iteritems():
self.assertEqual(perc(num, total), input_data[char][1])
def test_max_limit(self):
m = Mixer(num_req=10)
m.add_generator('test_a', 50.0, self.debug_gen('a', num=100))
m.add_generator('test_b', 25.0, self.debug_gen('b'))
m.add_generator('test_c', 25.0, self.debug_gen('c'))
self.assertTrue(len([r for r in m]) == 10)
def test_num_kwarg(self):
m = Mixer(num_req=10)
m.add_generator('test1', 50.0, self.debug_gen('a', num=10))
m.add_generator('test2', 50.0, self.debug_gen('b', num=3))
res = Counter()
for r in m:
res[r] += 1
self.assertTrue(res['b'] == 3 and res['a'] == 4)