+ def test_paged_list(self):
+ def testPL(size, pagesize, sliceargs, expected):
+ def get_page(pagenum):
+ firstid = pagenum * pagesize
+ upto = min(size, pagenum * pagesize + pagesize)
+ for i in range(firstid, upto):
+ yield i
+
+ pl = PagedList(get_page, pagesize)
+ got = pl.getslice(*sliceargs)
+ self.assertEqual(got, expected)
+
+ testPL(5, 2, (), [0, 1, 2, 3, 4])
+ testPL(5, 2, (1,), [1, 2, 3, 4])
+ testPL(5, 2, (2,), [2, 3, 4])
+ testPL(5, 2, (4,), [4])
+ testPL(5, 2, (0, 3), [0, 1, 2])
+ testPL(5, 2, (1, 4), [1, 2, 3])
+ testPL(5, 2, (2, 99), [2, 3, 4])
+ testPL(5, 2, (20, 99), [])
+
+ def test_struct_unpack(self):
+ self.assertEqual(struct_unpack(u'!B', b'\x00'), (0,))
+
+ def test_read_batch_urls(self):
+ f = io.StringIO(u'''\xef\xbb\xbf foo
+ bar\r
+ baz
+ # More after this line\r
+ ; or after this
+ bam''')
+ self.assertEqual(read_batch_urls(f), [u'foo', u'bar', u'baz', u'bam'])
+