def func():
ncf = iobackend.NCFile(self.ncfwname, mode='w')
for a in self.ncattrs:
ncf.setncattr(a, self.ncattrs[a])
ncf.close()
ncfr = iobackend.NCFile(self.ncfwname)
actual = {a: ncfr.getncattr(a) for a in ncfr.ncattrs}
ncfr.close()
remove(self.ncfwname)
return actual
def test_NCFile_setncattr(self, backend):
iobackend.set_backend(backend)
ncf = iobackend.NCFile(self.ncfwname, mode='w')
for a in self.ncattrs:
ncf.setncattr(a, self.ncattrs[a])
ncf.close()
ncfr = iobackend.NCFile(self.ncfwname)
attrs = {a: ncfr.getncattr(a) for a in ncfr.ncattrs}
ncfr.close()
assert attrs == self.ncattrs
def test_NCFile_create_dimension(self, backend):
iobackend.set_backend(backend)
ncf = iobackend.NCFile(self.ncfwname, mode='w')
for d in self.ncdims:
ncf.create_dimension(d, self.ncdims[d])
ncf.close()
ncfr = iobackend.NCFile(self.ncfwname)
dims = ncfr.dimensions
ncfr.close()
assert dims == self.ncdims
def func():
ncf = iobackend.NCFile(self.ncfwname, mode='w')
for d in self.ncdims:
ncf.create_dimension(d, self.ncdims[d])
ncf.close()
ncfr = iobackend.NCFile(self.ncfwname)
actual = ncfr.dimensions
ncfr.close()
remove(self.ncfwname)
return actual
def test_NCFile_create_dimension_unlimited(self, backend):
iobackend.set_backend(backend)
ncf = iobackend.NCFile(self.ncfwname, mode='w')
ncf.create_dimension('t')
ncf.create_dimension('x', 3)
ncf.close()
ncfr = iobackend.NCFile(self.ncfwname)
assert ncfr.dimensions['t'] == 0
assert ncfr.unlimited('t') is True
assert ncfr.dimensions['x'] == 3
assert ncfr.unlimited('x') is False
ncfr.close()
def test_cmp_NCVariable_size(self):
iobackend.set_backend('Nio')
ncf = iobackend.NCFile(self.ncfrname)
actual = ncf.variables['v'].size
ncf.close()
iobackend.set_backend('netCDF4')
ncf2 = iobackend.NCFile(self.ncfrname)
expected = ncf2.variables['v'].size
ncf2.close()
print_test_msg('CMP: NCVariable.size',
actual=actual,
expected=expected)
self.assertEqual(actual, expected, 'NCVariable size not correct')
def func():
ncf = iobackend.NCFile(self.ncfwname, mode='w')
ncf.create_dimension('t')
ncf.create_dimension('x', 3)
ncf.close()
ncfr = iobackend.NCFile(self.ncfwname)
actual = {
d: (ncfr.dimensions[d], ncfr.unlimited(d))
for d in ncfr.dimensions
}
ncfr.close()
remove(self.ncfwname)
return actual
def test_cmp_NCFile_init_read(self):
iobackend.set_backend('Nio')
ncf_nio = iobackend.NCFile(self.ncfrname)
actual = type(ncf_nio)
ncf_nio.close()
iobackend.set_backend('netCDF4')
ncf_nc4 = iobackend.NCFile(self.ncfrname)
expected = type(ncf_nc4)
ncf_nc4.close()
print_test_msg('CMP: NCFile.__init__()',
actual=actual,
expected=expected)
self.assertEqual(actual, expected,
'NCFile not created with consisten types')
def test_NCFile_create_variable(self, backend):
iobackend.set_backend(backend)
ncf = iobackend.NCFile(self.ncfwname, mode='w')
for d in self.ncdims:
if d == 't':
ncf.create_dimension(d)
else:
ncf.create_dimension(d, self.ncdims[d])
for v in self.ncvars:
ncf.create_variable(v, self.vdtype[v], self.vdims[v])
ncf.close()
ncfr = iobackend.NCFile(self.ncfwname)
for v in self.ncvars:
assert isinstance(ncfr.variables[v], iobackend.NCVariable)
ncfr.close()
def func(variable=''):
ncf = iobackend.NCFile(self.ncfwname, mode='w')
for d in self.vdims[variable]:
if d == 't':
ncf.create_dimension(d)
else:
ncf.create_dimension(d, self.ncdims[d])
ncf.create_variable(variable, self.vdtype[variable],
self.vdims[variable])
ncf.close()
ncfr = iobackend.NCFile(self.ncfwname)
actual = type(ncfr.variables[variable])
ncfr.close()
remove(self.ncfwname)
return actual
def test_NCVariable_fill_value(self, backend):
iobackend.set_backend(backend)
ncf = iobackend.NCFile(self.ncfrname)
for v in self.vfill:
vfill = ncf.variables[v].fill_value
assert vfill == self.vfill[v]
ncf.close()
def test_NCVariable_shape(self, backend):
iobackend.set_backend(backend)
ncf = iobackend.NCFile(self.ncfrname)
for v in self.vshape:
vshape = ncf.variables[v].shape
assert vshape == self.vshape[v]
ncf.close()
def test_NCVariable_dimensions(self, backend):
iobackend.set_backend(backend)
ncf = iobackend.NCFile(self.ncfrname)
for v in self.vdtype:
vdims = ncf.variables[v].dimensions
assert vdims == self.vdims[v]
ncf.close()
def test_NCVariable_setitem_getitem(self, backend):
iobackend.set_backend(backend)
ncf = iobackend.NCFile(self.ncfwname, mode='w')
for d in self.ncdims:
if d == 't':
ncf.create_dimension(d)
else:
ncf.create_dimension(d, self.ncdims[d])
for v in self.ncvars:
vobj = ncf.create_variable(v, self.vdtype[v], self.vdims[v])
vobj[:] = self.ncvars[v]
ncf.close()
ncfr = iobackend.NCFile(self.ncfwname)
for v in self.ncvars:
npt.assert_array_equal(ncfr.variables[v][:], self.ncvars[v])
ncfr.close()
def func(variable=''):
ncf = iobackend.NCFile(self.ncfrname)
actual = {
a: ncf.variables[variable].getncattr(a)
for a in ncf.variables[variable].ncattrs
}
ncf.close()
return actual
def test_NCVariable_size(self, backend):
iobackend.set_backend(backend)
ncf = iobackend.NCFile(self.ncfrname)
for v in self.vdims:
vsize1 = ncf.variables[v].size
vsize2 = reduce(lambda x, y: x * y,
(self.ncdims[d] for d in self.vdims[v]), 1)
assert vsize1 == vsize2
ncf.close()
def test_nc4_NCFile_init_append(self):
iobackend.set_backend('netCDF4')
ncf = iobackend.NCFile(self.ncfaname, mode='a')
actual = type(ncf)
ncf.close()
expected = iobackend.NCFile
print_test_msg('NCFile.__init__()', actual=actual, expected=expected)
self.assertEqual(actual, expected,
'NCFile not created with correct type')
def test_nio_NCFile_init_write(self):
iobackend.set_backend('Nio')
ncf = iobackend.NCFile(self.ncfwname, mode='w')
actual = type(ncf)
ncf.close()
expected = iobackend.NCFile
print_test_msg('NCFile.__init__()', actual=actual, expected=expected)
self.assertEqual(actual, expected,
'NCFile not created with correct type')
def test_NCFile_create_variable_fill(self, backend):
iobackend.set_backend(backend)
ncf = iobackend.NCFile(self.ncfwname, mode='w')
for d in self.ncdims:
if d == 't':
ncf.create_dimension(d)
else:
ncf.create_dimension(d, self.ncdims[d])
for v in self.ncvars:
ncf.create_variable(v,
self.vdtype[v],
self.vdims[v],
fill_value=self.vfill[v])
ncf.close()
ncfr = iobackend.NCFile(self.ncfwname)
for v in self.ncvars:
vfill = None if v == 's' else self.vfill[v]
assert ncfr.variables[v].fill_value == vfill
ncfr.close()
def test_nc4_NCVariable_size(self):
iobackend.set_backend('netCDF4')
ncf = iobackend.NCFile(self.ncfrname)
actual = ncf.variables['v'].size
expected = self.ncdims['t'] * self.ncdims['x']
ncf.close()
print_test_msg('netCDF4: NCVariable.size',
actual=actual,
expected=expected)
self.assertEqual(actual, expected, 'NCVariable size not correct')
def test_nc4_NCVariable_datatype(self):
iobackend.set_backend('netCDF4')
ncf = iobackend.NCFile(self.ncfrname)
actual = ncf.variables['v'].datatype
expected = 'f'
ncf.close()
print_test_msg('netCDF4: NCVariable.datatype',
actual=actual,
expected=expected)
self.assertEqual(actual, expected, 'NCVariable datatype not correct')
def test_nio_NCVariable_shape(self):
iobackend.set_backend('Nio')
ncf = iobackend.NCFile(self.ncfrname)
actual = ncf.variables['v'].shape
expected = (self.ncdims['t'], self.ncdims['x'])
ncf.close()
print_test_msg('Nio: NCVariable.shape',
actual=actual,
expected=expected)
self.assertEqual(actual, expected, 'NCVariable shape not correct')
def test_cmp_NCFile_dimensions(self):
iobackend.set_backend('Nio')
ncf = iobackend.NCFile(self.ncfrname)
actual = ncf.dimensions
ncf.close()
iobackend.set_backend('netCDF4')
ncf2 = iobackend.NCFile(self.ncfrname)
expected = ncf2.dimensions
ncf2.close()
print_test_msg('CMP: NCFile.dimensions',
actual=actual,
expected=expected)
self.assertEqual(len(actual), len(expected),
'NCFile dimensions not consistent length')
for dn, dv in expected.iteritems():
self.assertTrue(dn in actual,
'NCFile dimension {0!r} not present'.format(dn))
self.assertEqual(actual[dn], dv,
'NCFile dimension {0!r} not correct'.format(dn))
def test_nc4_NCVariable_dimensions(self):
iobackend.set_backend('netCDF4')
ncf = iobackend.NCFile(self.ncfrname)
actual = ncf.variables['v'].dimensions
expected = ('t', 'x')
ncf.close()
print_test_msg('netCDF4: NCVariable.dimensions',
actual=actual,
expected=expected)
self.assertEqual(actual, expected, 'NCVariable dimensions not correct')
def test_NCVariable_ncattrs_getncattr(self, backend):
iobackend.set_backend(backend)
ncf = iobackend.NCFile(self.ncfrname)
for v in self.vattrs:
vattrs = {
a: ncf.variables[v].getncattr(a)
for a in ncf.variables[v].ncattrs
}
assert vattrs == self.vattrs[v]
ncf.close()
def test_NCFile_create_variable_ndim(self, backend):
iobackend.set_backend(backend)
ncf = iobackend.NCFile(self.ncfaname, mode='a')
v2 = ncf.create_variable('v2', np.dtype('f'), ('t', 'x'))
v2[:] = self.v2
ncf.close()
ncfr = netCDF4.Dataset(self.ncfaname)
actual = ncfr['v2'][:]
ncfr.close()
npt.assert_array_equal(actual, self.v2)
def test_NCFile_create_variable_chunksizes(self):
iobackend.set_backend('netCDF4')
ncf = iobackend.NCFile(self.ncfwname, mode='w')
for d in self.ncdims:
if d == 't':
ncf.create_dimension(d)
else:
ncf.create_dimension(d, self.ncdims[d])
for v in self.ncvars:
ncf.create_variable(v,
self.vdtype[v],
self.vdims[v],
chunksizes=self.chunks[v])
ncf.close()
ncfr = iobackend.NCFile(self.ncfwname)
for v in self.ncvars:
chunksize = self.chunks[v] if self.chunks[v] else 'contiguous'
assert ncfr.variables[v].chunk_sizes == chunksize
ncfr.close()
def func(variable=''):
ncf = iobackend.NCFile(self.ncfwname, mode='w')
for d in self.vdims[variable]:
if d == 't':
ncf.create_dimension(d)
else:
ncf.create_dimension(d, self.ncdims[d])
vobj = ncf.create_variable(variable, self.vdtype[variable],
self.vdims[variable])
for attr in self.vattrs[variable]:
vobj.setncattr(attr, self.vattrs[variable][attr])
ncf.close()
ncfr = iobackend.NCFile(self.ncfwname)
actual = {
a: ncfr.variables[variable].getncattr(a)
for a in ncfr.variables[variable].ncattrs
}
ncfr.close()
remove(self.ncfwname)
return actual
def test_cmp_NCFile_unlimited(self):
iobackend.set_backend('Nio')
ncf = iobackend.NCFile(self.ncfrname)
t_unlimited_nio = ncf.unlimited('t')
x_unlimited_nio = ncf.unlimited('x')
ncf.close()
iobackend.set_backend('netCDF4')
ncf2 = iobackend.NCFile(self.ncfrname)
t_unlimited_nc4 = ncf2.unlimited('t')
x_unlimited_nc4 = ncf2.unlimited('x')
ncf2.close()
print_test_msg('CMP: NCFile.unlimited(t)',
actual=t_unlimited_nio,
expected=t_unlimited_nc4)
self.assertEqual(t_unlimited_nio, t_unlimited_nc4,
'NCFile dimension t unlimited results inconsistent')
print_test_msg('CMP: NCFile.unlimited(x)',
actual=x_unlimited_nio,
expected=x_unlimited_nc4)
self.assertEqual(x_unlimited_nio, x_unlimited_nc4,
'NCFile dimension x unlimited results inconsistent')
def test_NCFile_setncattr(self, backend):
iobackend.set_backend(backend)
ncf = iobackend.NCFile(self.ncfaname, mode='a')
for a, v in self.fattrs2.items():
ncf.setncattr(a, v)
ncf.close()
ncfr = netCDF4.Dataset(self.ncfaname)
actual = {a: ncfr.getncattr(a) for a in ncfr.ncattrs()}
ncfr.close()
expected = self.ncattrs
expected.update(self.fattrs2)
assert actual == expected
