def test_utils_py_1():
""" test get_ovr_idx, create_flat_raster """
filename = 'tmp/raster.tif'
temp_files.append(filename)
raster_creation.create_flat_raster(filename, overview_list=[2, 4])
ds = util.open_ds(filename)
compression = util.get_image_structure_metadata(filename, 'COMPRESSION')
assert compression == 'DEFLATE'
ovr_count = util.get_ovr_count(ds) + 1
assert ovr_count == 3
pixel_size = util.get_pixel_size(ds)
assert pixel_size == (10, -10)
for i in range(-ovr_count, ovr_count):
assert util.get_ovr_idx(filename,
ovr_idx=i) == (i if i >= 0 else ovr_count + i)
for res, ovr in [(5, 0), (10, 0), (11, 0), (19.99, 0), (20, 1), (20.1, 1),
(39, 1), (40, 2), (41, 2), (400, 2)]:
assert util.get_ovr_idx(filename, ovr_res=res) == ovr
assert util.get_ovr_idx(filename,
float(res)) == ovr # noqa secret functionality
# test open_ds with multiple different inputs
filename2 = 'tmp/raster2.tif'
temp_files.append(filename2)
raster_creation.create_flat_raster(filename2)
ds_list = util.open_ds([ds, filename2])
assert tuple(util.get_ovr_count(ds) for ds in ds_list) == (2, 0)
ds_list = None
def test_utils_py_1():
""" test get_ovr_idx, create_flat_raster """
filename = 'tmp/raster.tif'
temp_files.append(filename)
raster_creation.create_flat_raster(filename, overview_list=[2, 4])
ds = util.open_ds(filename)
compression = util.get_image_structure_metadata(filename, 'COMPRESSION')
assert compression == 'DEFLATE'
ras_count = util.get_ovr_count(ds) + 1
assert ras_count == 3
pixel_size = util.get_pixel_size(ds)
assert pixel_size == (10, -10)
for i in range(-ras_count, ras_count):
assert util.get_ovr_idx(filename,
ovr_idx=i) == (i if i >= 0 else ras_count + i)
for res, ovr in [(5, 0), (10, 0), (11, 0), (19.99, 0), (20, 1), (20.1, 1),
(39, 1), (40, 2), (41, 2), (400, 2)]:
assert util.get_ovr_idx(filename, ovr_res=res) == ovr
assert util.get_ovr_idx(
filename, ovr_idx=float(res)) == ovr # noqa secret functionality