def test_divisibleby(self):
stream = Stream(xrange(2000))
stream = stream.ints().divisible_by(10)
self.assertEqual(stream.count(), 200)
stream = Stream(xrange(2000))
stream = stream.divisible_by(1000)
self.assertEquals(list(stream), [0, 1000])
def test_it_should_filter_evens(self):
stream = Stream(range(6))
stream = stream.evens()
self.assertListEqual(list(stream), [0, 2, 4])
stream = Stream(xrange(200))
stream = stream.ints().evens()
elements = list(stream)
self.assertEqual(len(elements), 100)
self.assertTrue(all(item % 2 == 0 for item in elements))
def test_it_should_filter_evens(self):
stream = Stream(range(6))
stream = stream.evens()
self.assertListEqual(list(stream), [0, 2, 4])
stream = Stream(xrange(200))
stream = stream.ints().evens()
elements = list(stream)
self.assertEqual(len(elements), 100)
self.assertTrue(all(item % 2 == 0 for item in elements))
def test_it_should_filter_by_regular_expression(self):
stream = Stream((text_type(x) for x in xrange(100)))
ones = stream.regexp(r'^1')
self.assertListEqual(
list(ones),
['1', '10', '11', '12', '13', '14', '15', '16', '17', '18', '19'])
stream = Stream(str(item) for item in xrange(1000))
stream = stream.regexp(r"^10*$")
stream = stream.ints()
self.assertListEqual(list(stream), [1, 10, 100])
def test_it_should_filter_by_regular_expression(self):
stream = Stream((text_type(x) for x in xrange(100)))
ones = stream.regexp(r'^1')
self.assertListEqual(
list(ones),
['1', '10', '11', '12', '13', '14', '15', '16', '17', '18', '19'])
stream = Stream(str(item) for item in xrange(1000))
stream = stream.regexp(r"^10*$")
stream = stream.ints()
self.assertListEqual(list(stream), [1, 10, 100])
def test_it_should_filter_by_divisibility(self):
stream = Stream(range(6))
stream = stream.divisible_by(2)
self.assertListEqual(list(stream), [0, 2, 4])
stream = Stream(xrange(2000))
stream = stream.ints().divisible_by(10)
self.assertEqual(stream.count(), 200)
stream = Stream(xrange(2000))
stream = stream.divisible_by(1000)
self.assertEquals(list(stream), [0, 1000])
def test_it_should_filter_by_divisibility(self):
stream = Stream(range(6))
stream = stream.divisible_by(2)
self.assertListEqual(list(stream), [0, 2, 4])
stream = Stream(xrange(2000))
stream = stream.ints().divisible_by(10)
self.assertEqual(stream.count(), 200)
stream = Stream(xrange(2000))
stream = stream.divisible_by(1000)
self.assertEquals(list(stream), [0, 1000])
def test_it_should_cast_a_stream_to_ints(self):
items = list(xrange(10)) + ['0', '23', '99', 'foo', None]
stream = Stream(items)
ints = stream.ints()
self.assertListEqual(list(ints), [int(i) for i in items[0:-2]])
def test_evens(self):
stream = Stream(xrange(200))
stream = stream.ints().evens()
elements = list(stream)
self.assertEqual(len(elements), 100)
self.assertTrue(all(item % 2 == 0 for item in elements))
def test_regexp(self):
stream = Stream(str(item) for item in xrange(1000))
stream = stream.regexp(r"^10*$")
stream = stream.ints()
self.assertListEqual(list(stream), [1, 10, 100])
def test_it_should_cast_a_stream_to_ints(self):
items = list(xrange(10)) + ['0', '23', '99', 'foo', None]
stream = Stream(items)
ints = stream.ints()
self.assertListEqual(list(ints), [int(i) for i in items[0:-2]])
