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"""Tests of the rasterio.vrt module"""
import rasterio
import rasterio.vrt
def test_boundless_vrt(path_rgb_byte_tif):
with rasterio.open(path_rgb_byte_tif) as rgb:
doc = rasterio.vrt._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 = rasterio.vrt._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_boundless_vrt_fill_value(path_rgb_msk_byte_tif):
with rasterio.open(path_rgb_msk_byte_tif) as rgb:
doc = rasterio.vrt._boundless_vrt_doc(rgb, nodata=0)
assert doc.startswith('<VRTDataset')
with rasterio.open(doc) as vrt:
assert vrt.nodata == 0
assert rgb.count == vrt.count
assert rgb.dtypes == vrt.dtypes
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