def test_blockysize_guard(tmpdir):
"""blockysize can't be greater than image height."""
tiffname = str(tmpdir.join('foo.tif'))
with pytest.raises(ValueError):
profile = default_gtiff_profile.copy()
profile.update(count=1, width=256, height=128)
rasterio.open(tiffname, 'w', **profile)
def test_blockysize_guard(tmpdir):
"""blockysize can't be greater than image height."""
tiffname = str(tmpdir.join('foo.tif'))
with pytest.raises(ValueError):
profile = default_gtiff_profile.copy()
profile.update(count=1, width=256, height=128)
rasterio.open(tiffname, 'w', **profile)
def test_odd_blocksize_error(tmpdir, blocksizes):
"""For a tiled TIFF block sizes must be multiples of 16"""
tempfile = str(tmpdir.join("test.tif"))
profile = default_gtiff_profile.copy()
profile.update(height=64, width=64, count=1, **blocksizes)
with pytest.raises(RasterBlockError):
rasterio.open(tempfile, "w", **profile)
def test_block_windows_bigger_blocksize(tmpdir, blocksize):
"""Ensure that block sizes greater than raster size are ok"""
tempfile = str(tmpdir.join("test.tif"))
profile = default_gtiff_profile.copy()
profile.update(height=16,
width=16,
count=1,
blockxsize=blocksize,
blockysize=blocksize)
with rasterio.open(tempfile, "w", **profile) as dst:
assert dst.is_tiled
for ij, window in dst.block_windows():
dst.write(np.ones((1, 1), dtype="uint8"), 1, window=window)
with rasterio.open(tempfile) as dst:
assert list(dst.block_windows()) == [((0, 0),
windows.Window(0, 0, 16, 16))]
assert (dst.read(1) == 1).all()
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_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_update_vfs(tmpdir, mode):
"""VFS datasets can not be created or updated"""
profile = default_gtiff_profile.copy()
profile.update(count=1, width=1, height=1)
with pytest.raises(TypeError):
rasterio.open('zip://{0}'.format(tmpdir), mode, **profile)