def test_name_mapping_multi_index(self):
t = pp.SplittableInt(
33214, {
'weird_number': slice(None, None, 2),
'last_few': slice(-2, -5, -2),
'backwards': slice(None, None, -1)
})
self.assertEqual(t.weird_number, 324)
self.assertEqual(t.last_few, 13)
self.assertRaises(ValueError, setattr, t, 'backwards', 1)
self.assertRaises(ValueError, setattr, t, 'last_few', 1)
self.assertEqual(t.backwards, 41233)
self.assertEqual(t, 33214)
t.weird_number = 99
# notice that this will zero the 5th number
self.assertEqual(t, 3919)
t.weird_number = 7899
self.assertEqual(t, 7083919)
t.foo = 1
t = pp.SplittableInt(33214, {'ix': slice(None, 2), 'iy': slice(2, 4)})
self.assertEqual(t.ix, 14)
self.assertEqual(t.iy, 32)
t.ix = 21
self.assertEqual(t, 33221)
t = pp.SplittableInt(33214, {'ix': slice(-1, 2)})
self.assertEqual(t.ix, 0)
t = pp.SplittableInt(4, {'ix': slice(None, 2), 'iy': slice(2, 4)})
self.assertEqual(t.ix, 4)
self.assertEqual(t.iy, 0)
def test_not_implemented(self):
class Terry(object):
pass
sin = pp.SplittableInt(0)
self.assertIs(sin.__eq__(Terry()), NotImplemented)
self.assertIs(sin.__ne__(Terry()), NotImplemented)
def test_grow_str_list(self):
t = pp.SplittableInt(3)
t[1] = 3
self.assertEqual(t[1], 3)
t[5] = 4
self.assertEqual(t[5], 4)
self.assertEqual(int(t), 400033)
self.assertEqual(t, 400033)
self.assertNotEqual(t, 33)
self.assertTrue(t >= 400033)
self.assertFalse(t >= 400034)
self.assertTrue(t <= 400033)
self.assertFalse(t <= 400032)
self.assertTrue(t > 400032)
self.assertFalse(t > 400034)
self.assertTrue(t < 400034)
self.assertFalse(t < 400032)
def test_LBC_header(self):
bzx, bzy = -10, 15
# stash m01s00i001
lbuser = [None, None, 121416, 1, None, None, 1]
field = self._mock_lbc(
lbegin=0,
lbrow=10,
lbnpt=12,
bdx=1,
bdy=1,
bzx=bzx,
bzy=bzy,
lbuser=lbuser,
)
with self.mock_for_extract_field([field]) as ff2pp:
ff2pp._ff_header.dataset_type = 5
result = list(ff2pp._extract_field())
self.assertEqual([field], result)
self.assertEqual(field.lbrow, 10 + 14 * 2)
self.assertEqual(field.lbnpt, 12 + 16 * 2)
name_mapping_dict = dict(
rim_width=slice(4, 6), y_halo=slice(2, 4), x_halo=slice(0, 2)
)
boundary_packing = pp.SplittableInt(121416, name_mapping_dict)
self.assertEqual(field.boundary_packing, boundary_packing)
self.assertEqual(field.bzy, bzy - boundary_packing.y_halo * field.bdy)
self.assertEqual(field.bzx, bzx - boundary_packing.x_halo * field.bdx)
def test_negative_number(self):
self.assertRaises(ValueError, pp.SplittableInt, -5)
try:
_ = pp.SplittableInt(-5)
except ValueError as err:
self.assertEqual(
str(err),
'Negative numbers not supported with splittable integers object'
)
def test_33214(self):
t = pp.SplittableInt(33214)
self.assertEqual(t[4], 3)
self.assertEqual(t[3], 3)
self.assertEqual(t[2], 2)
self.assertEqual(t[1], 1)
self.assertEqual(t[0], 4)
# The rest should be zero
for i in range(5, 100):
self.assertEqual(t[i], 0)
def test_name_mapping(self):
t = pp.SplittableInt(33214, {'ones': 0, 'tens': 1, 'hundreds': 2})
self.assertEqual(t.ones, 4)
self.assertEqual(t.tens, 1)
self.assertEqual(t.hundreds, 2)
t.ones = 9
t.tens = 4
t.hundreds = 0
self.assertEqual(t.ones, 9)
self.assertEqual(t.tens, 4)
self.assertEqual(t.hundreds, 0)
def test_name_mapping(self):
t = pp.SplittableInt(33214, {"ones": 0, "tens": 1, "hundreds": 2})
self.assertEqual(t.ones, 4)
self.assertEqual(t.tens, 1)
self.assertEqual(t.hundreds, 2)
t.ones = 9
t.tens = 4
t.hundreds = 0
self.assertEqual(t.ones, 9)
self.assertEqual(t.tens, 4)
self.assertEqual(t.hundreds, 0)
def setUp(self):
# Patch FFHeader to produce a mock header instead of opening a file.
self.mock_ff_header = mock.Mock()
self.mock_ff_header.dataset_type = 5
self.mock_ff = self.patch('iris.fileformats._ff.FFHeader',
return_value=self.mock_ff_header)
# Create a mock LBC type PPField.
self.mock_field = mock.Mock()
field = self.mock_field
field.lbtim = 0
field.lblev = 7777
field.lbvc = 0
field.lbnpt = 1001
field.lbrow = 2001
field.lbuser = (None, None, 80504)
field.lbpack = pp.SplittableInt(0)
field.boundary_packing = None
field.bdx = 1.0
field.bzx = 0.0
field.bdy = 1.0
field.bzy = 0.0
def test_3(self):
t = pp.SplittableInt(3)
self.assertEqual(t[0], 3)
def create_lbpack(self, value):
name_mapping = dict(n5=slice(4, None), n4=3, n3=2, n2=1, n1=0)
return pp.SplittableInt(value, name_mapping)