def setUp(self):
mesh = sample_mesh()
self.mesh = mesh
self.meshcoord = sample_meshcoord(mesh=mesh)
def test_fail_slice_part(self):
meshcoord = sample_meshcoord()
with self.assertRaisesRegex(ValueError, "Cannot index"):
meshcoord[:1]
def setUp(self):
mesh = sample_mesh()
self.mesh = mesh
# Give mesh itself a name: makes a difference between str and repr.
self.mesh.rename("test_mesh")
self.meshcoord = sample_meshcoord(mesh=mesh)
def test_fail_copy_newbounds(self):
meshcoord = sample_meshcoord()
with self.assertRaisesRegex(ValueError, "Cannot change the content"):
meshcoord.copy(bounds=meshcoord.bounds)
def test_slice_whole_slice_singlekey(self):
# A slice(None) also fails, if not presented in a 1-tuple.
meshcoord = sample_meshcoord()
with self.assertRaisesRegex(ValueError, "Cannot index"):
meshcoord[:]
def _create_common_mesh(self, **kwargs):
return sample_meshcoord(mesh=self.mesh, **kwargs)
def test_equal_mesh(self):
mesh1 = sample_mesh()
mesh2 = sample_mesh()
meshcoord1 = sample_meshcoord(mesh=mesh1)
meshcoord2 = sample_meshcoord(mesh=mesh2)
self.assertEqual(meshcoord2, meshcoord1)
def test_fail_bad_axis(self):
with self.assertRaisesRegex(ValueError, "not a valid Mesh axis"):
sample_meshcoord(axis="q")
def setUp(self):
self.meshcoord = sample_meshcoord()
def test_fail_bad_location(self):
with self.assertRaisesRegex(ValueError, "not a valid Mesh location"):
sample_meshcoord(location="bad")
def test_valid_locations(self):
for loc in Mesh.LOCATIONS:
meshcoord = sample_meshcoord(location=loc)
self.assertEqual(meshcoord.location, loc)
def test_fail_bad_mesh(self):
with self.assertRaisesRegex(TypeError, "must be a.*Mesh"):
sample_meshcoord(mesh=mock.sentinel.odd)
def test_alternative_location_and_axis(self):
meshcoord = sample_meshcoord(mesh=self.mesh, location="edge", axis="y")
result = str(meshcoord)
re_expected = r", location='edge', axis='y'"
self.assertRegex(result, re_expected)
def test_node(self):
meshcoord = sample_meshcoord(location="node")
n_nodes = (iris.tests.stock.mesh._TEST_N_NODES
) # n-nodes default for sample mesh
self.assertIsNone(meshcoord.core_bounds())
self.assertArrayAllClose(meshcoord.points, 1100 + np.arange(n_nodes))
