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import os
import unittest
import netCDF4
CURRENT_DIR = os.path.dirname(os.path.realpath(__file__))
class TestOpenMem(unittest.TestCase):
def test_mem_open(self):
fpath = os.path.join(CURRENT_DIR, "netcdf_dummy_file.nc")
with open(fpath, 'rb') as f:
nc_bytes = f.read()
if not netCDF4.__has_nc_open_mem__:
with self.assertRaises(ValueError):
netCDF4.Dataset('foo_bar', memory=nc_bytes)
return
# Needs: https://github.com/Unidata/netcdf-c/pull/400
if netCDF4.__netcdf4libversion__ < '4.4.1.2':
with self.assertRaises(OSError):
netCDF4.Dataset('foo_bar', memory=nc_bytes)
return
with netCDF4.Dataset('foo_bar', memory=nc_bytes) as nc:
assert nc.filepath() == 'foo_bar'
assert nc.project_summary == 'Dummy netCDF file'
if __name__ == '__main__':
unittest.main()
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