def test_FileView_multiple_reads():
from oniontree.fileview import FileView
basefile = BytesIO(os.urandom(1024))
fv = FileView(basefile, 512, 512)
basefile.seek(512)
for i in range(0, 512, 4):
assert basefile.read(4) == fv.read(4)
assert basefile.read(10) == fv.read(10)
def test_FileView_multiple_reads_with_seeks():
from oniontree.fileview import FileView
import random
basefile = BytesIO(os.urandom(1024))
fv = FileView(basefile, 512, 512)
basefile.seek(512)
offsets = list(range(0, 512, 4))
random.shuffle(offsets)
for i in offsets:
fv.seek(i)
basefile.seek(i+512)
assert basefile.read(4) == fv.read(4)