def test_boss_download():
vol = CloudVolume('gs://seunglab-test/test_v0/image')
bossvol = CloudVolume('boss://automated_testing/test_v0/image')
vimg = vol[:, :, :5]
bimg = bossvol[:, :, :5]
assert np.all(bimg == vimg)
assert bimg.dtype == vimg.dtype
vol.bounded = False
vol.fill_missing = True
bossvol.bounded = False
bossvol.fill_missing = True
assert np.all(vol[-100:100, -100:100, -10:10] == bossvol[-100:100,
-100:100, -10:10])
# BOSS using a different algorithm for creating downsamples
# so hard to compare 1:1 w/ pixels.
bossvol.bounded = True
bossvol.fill_missing = False
bossvol.mip = 1
bimg = bossvol[:, :, 5:6]
assert np.any(bimg > 0)
def test_downsample_w_missing():
delete_layer()
storage, data = create_layer(size=(512,512,128,1), offset=(3,7,11))
cv = CloudVolume(storage.layer_path)
assert len(cv.scales) == 4
assert len(cv.available_mips) == 4
delete_layer()
cv.commit_info()
try:
create_downsampling_tasks(MockTaskQueue(), storage.layer_path, mip=0, num_mips=3, fill_missing=False)
except EmptyVolumeException:
pass
create_downsampling_tasks(MockTaskQueue(), storage.layer_path, mip=0, num_mips=3, fill_missing=True)
cv.refresh_info()
assert len(cv.available_mips) == 4
assert np.array_equal(cv.mip_volume_size(0), [ 512, 512, 128 ])
assert np.array_equal(cv.mip_volume_size(1), [ 256, 256, 128 ])
assert np.array_equal(cv.mip_volume_size(2), [ 128, 128, 128 ])
assert np.array_equal(cv.mip_volume_size(3), [ 64, 64, 128 ])
assert np.all(cv.mip_voxel_offset(3) == (0,0,11))
cv.mip = 0
cv.fill_missing = True
assert np.count_nonzero(cv[3:67, 7:71, 11:75]) == 0
