rasterio/tests/test_vrt.py
2023-01-11 09:59:01 -07:00

41 lines
1.3 KiB
Python

"""Tests of the rasterio.vrt module"""
import rasterio
from rasterio.vrt import _boundless_vrt_doc, VirtualDataset
def test_boundless_vrt(path_rgb_byte_tif):
with rasterio.open(path_rgb_byte_tif) as rgb:
doc = _boundless_vrt_doc(rgb)
assert doc.startswith("<VRTDataset")
with rasterio.open(doc) as vrt:
assert rgb.count == vrt.count
assert rgb.dtypes == vrt.dtypes
assert rgb.mask_flag_enums == vrt.mask_flag_enums
def test_boundless_msk_vrt(path_rgb_msk_byte_tif):
with rasterio.open(path_rgb_msk_byte_tif) as msk:
doc = _boundless_vrt_doc(msk)
assert doc.startswith("<VRTDataset")
with rasterio.open(doc) as vrt:
assert msk.count == vrt.count
assert msk.dtypes == vrt.dtypes
assert msk.mask_flag_enums == vrt.mask_flag_enums
def test_virtual_dataset_fromstring(path_rgb_byte_tif):
with rasterio.open(path_rgb_byte_tif) as rgb:
doc = _boundless_vrt_doc(rgb)
with VirtualDataset.fromstring(doc) as vrtfile, vrtfile.open() as vrt:
assert rgb.count == vrt.count
assert rgb.dtypes == vrt.dtypes
assert rgb.mask_flag_enums == vrt.mask_flag_enums
def test_virtual_dataset_constructor():
vrt = VirtualDataset(height=10, width=11)
assert vrt.height == 10
assert vrt.width == 11