rasterio/tests/test_profile.py
2019-08-29 14:51:47 -06:00

107 lines
2.8 KiB
Python

"""Profile tests"""
import pickle
import warnings
import pytest
import rasterio
from rasterio.profiles import Profile, DefaultGTiffProfile
from rasterio.profiles import default_gtiff_profile
def test_base_profile():
assert 'driver' not in Profile()
def test_base_profile_kwarg():
assert Profile(foo='bar')['foo'] == 'bar'
def test_gtiff_profile_interleave():
assert DefaultGTiffProfile()['interleave'] == 'band'
def test_gtiff_profile_tiled():
assert DefaultGTiffProfile()['tiled'] is True
def test_gtiff_profile_blockxsize():
assert DefaultGTiffProfile()['blockxsize'] == 256
def test_gtiff_profile_blockysize():
assert DefaultGTiffProfile()['blockysize'] == 256
def test_gtiff_profile_compress():
assert DefaultGTiffProfile()['compress'] == 'lzw'
def test_gtiff_profile_nodata():
assert DefaultGTiffProfile()['nodata'] == 0
def test_gtiff_profile_dtype():
assert DefaultGTiffProfile()['dtype'] == rasterio.uint8
def test_gtiff_profile_other():
assert DefaultGTiffProfile(count=3)['count'] == 3
def test_gtiff_profile_dtype_override():
assert DefaultGTiffProfile(dtype='uint16')['dtype'] == rasterio.uint16
def test_open_with_profile(tmpdir):
tiffname = str(tmpdir.join('foo.tif'))
profile = default_gtiff_profile.copy()
profile.update(count=1, width=256, height=256)
with rasterio.open(tiffname, 'w', **profile) as dst:
assert not dst.closed
def test_profile_overlay(path_rgb_byte_tif):
with rasterio.open(path_rgb_byte_tif) as src:
kwds = src.profile
kwds.update(**default_gtiff_profile)
assert kwds['tiled']
assert kwds['compress'] == 'lzw'
assert kwds['count'] == 3
def test_dataset_profile_property_tiled(data):
"""An tiled dataset's profile has block sizes"""
with rasterio.open('tests/data/shade.tif') as src:
assert src.profile['blockxsize'] == 256
assert src.profile['blockysize'] == 256
assert src.profile['tiled'] is True
def test_dataset_profile_property_untiled(data, path_rgb_byte_tif):
"""An untiled dataset's profile has no block sizes"""
with rasterio.open(path_rgb_byte_tif) as src:
assert 'blockxsize' not in src.profile
assert 'blockysize' not in src.profile
assert src.profile['tiled'] is False
def test_profile_affine_set():
"""TypeError is raised on set of affine item"""
profile = Profile()
profile['transform'] = 'foo'
with pytest.raises(TypeError):
profile['affine'] = 'bar'
def test_profile_pickle():
"""Standard profile can be pickled"""
assert pickle.loads(pickle.dumps(DefaultGTiffProfile())) == DefaultGTiffProfile()
def test_dataset_profile_pickle(path_rgb_byte_tif):
"""Dataset profiles can be pickled"""
with rasterio.open(path_rgb_byte_tif) as src:
assert pickle.loads(pickle.dumps(src.profile)) == src.profile