def test_none_returned_error():
errfunc = dedent("""\
def return_none(x, y):
return None""")
space = mx.new_model(name="ErrModel").new_space(name="ErrSpace")
cells = space.new_cells(formula=errfunc)
cells.allow_none = False
with SuppressFormulaError():
with pytest.raises(NoneReturnedError) as errinfo:
cells(1, 3)
errmsg = "ErrModel.ErrSpace.return_none(x=1, y=3)"
assert errinfo.value.args[0] == errmsg
with pytest.raises(mx.core.system.FormulaError) as errinfo:
cells(1, 3)
errmsg = dedent("""\
Error raised during formula execution
modelx.core.errors.NoneReturnedError: ErrModel.ErrSpace.return_none(x=1, y=3)
Formula traceback:
0: ErrModel.ErrSpace.return_none(x=1, y=3)
Formula source:
def return_none(x, y):
return None
""")
assert errinfo.value.args[0] == errmsg
def test_delete_global(refspace):
assert refspace.foo() == 3
del refspace.model.baz
with SuppressFormulaError():
with pytest.raises(NameError):
refspace.foo()
def test_del_attrref():
"""
m-----SpaceA-----SpaceB---x
| +----foo
+--SpaceC(SpaceA)
"""
m = mx.new_model()
A = m.new_space("SpaceA")
B = A.new_space("SpaceB")
B.x = 3
def foo():
return SpaceB.x
A.new_cells(formula=foo)
C = m.new_space("SpaceC", bases=A)
assert A.foo() == 3
assert C.foo() == 3
del B.x
with SuppressFormulaError():
with pytest.raises(AttributeError):
A.foo()
with pytest.raises(AttributeError):
C.foo()
def test_delete_ref(refspace):
del refspace.bar
with SuppressFormulaError():
with pytest.raises(NameError):
refspace.foo()
def test_setitem_in_formula_invalid_assignment_error(setitemsample):
def invalid_in_formula_assignment(x):
invalid_in_formula_assignment[x + 1] = 3 * x
setitemsample.new_cells(formula=invalid_in_formula_assignment)
with SuppressFormulaError():
with pytest.raises(KeyError):
setitemsample.invalid_in_formula_assignment[3]
def test_setitem_in_formula_duplicate_assignment_error(setitemsample):
def duplicate_assignment(x):
duplicate_assignment[x] = 4 * x
return 4 * x
setitemsample.new_cells(formula=duplicate_assignment)
with SuppressFormulaError():
with pytest.raises(ValueError):
setitemsample.duplicate_assignment[4]
def test_delattr_ref(testmodel):
s = testmodel.new_space()
s.x = 3
assert s.x == 3
del s.x
with SuppressFormulaError():
with pytest.raises(AttributeError):
s.x
def test_trace_cleanup_value_error():
@mx.defcells
def foo(i):
import datetime
return foo(i - 1).replace(month=foo(i - 1).month +
1) if i > 0 else datetime.date(2016, 1, 1)
with SuppressFormulaError():
with pytest.raises(ValueError):
foo(20)
assert foo._impl.check_sanity()
assert len(foo) == 12
def test_global_ref_delattr():
model, space = new_model(), new_space()
@defcells
def func1(x):
return min(n, x)
model.n = 2
del model.n
with SuppressFormulaError():
with pytest.raises(NameError):
func1(4)
def test_maxout_recursion():
m, s = mx.new_model(), mx.new_space()
@mx.defcells
def foo(x):
if x == 0:
return 0
else:
return foo(x-1) + 1
with SuppressFormulaError(maxdepth):
with pytest.raises(DeepReferenceError):
foo(maxdepth+1)
def test_trace_cleanup_type_error():
@mx.defcells
def foo(i):
if i > 0:
return foo(i - 1) + (1 if i < 2 else "error")
else:
return 0
with SuppressFormulaError():
with pytest.raises(TypeError):
foo(2)
assert foo._impl.check_sanity()
assert len(foo) == 2
def test_get_too_few_args(cells_signatures):
space = cells_signatures
with SuppressFormulaError():
with pytest.raises(TypeError):
space.single_param()
with pytest.raises(TypeError):
space.mult_params(1)
with pytest.raises(TypeError):
space.mult_params[1]
def test_with_sapce_allow_none_false(model_param, space_param, cells_param,
op):
model, space = new_model(), new_space()
cells = space.new_cells(formula="def test1(x): return None")
model.allow_none = model_param
space.allow_none = space_param
cells.allow_none = cells_param
with SuppressFormulaError():
with pytest.raises(NoneReturnedError):
if op == "get":
assert cells[1] == None
else:
cells[1] = None
def test_zerodiv():
zerodiv = dedent("""\
def zerodiv(x):
if x == 3:
return x / 0
else:
return zerodiv(x + 1)""")
space = mx.new_model().new_space(name="ZeroDiv")
cells = space.new_cells(formula=zerodiv)
with SuppressFormulaError():
with pytest.raises(ZeroDivisionError):
cells(0)
def test_delattr_cells(testmodel):
space = new_space()
@defcells
def foo(x):
return 2 * x
foo(3)
del space.foo
with SuppressFormulaError():
with pytest.raises(AttributeError):
space.foo(3)
with pytest.raises(RuntimeError):
foo(3)
def test_new_cells_from_series(sample_model, sample_series):
space = sample_model.new_space()
series, name, param = sample_series
if not any(series.index.names) and not param:
with SuppressFormulaError():
with pytest.raises(ValueError):
space.new_cells_from_pandas(series, cells=name, param=param)
else:
cells = space.new_cells_from_pandas(series, cells=name, param=param)
assert cells.series.equals(series)
if name:
assert cells.name == name
if param:
assert cells.parameters == tuple(param)
def test_deep_reference_error():
from modelx.core import mxsys
last_maxdepth = mxsys.callstack.maxdepth
try:
set_recursion(3)
errfunc = dedent("""\
def erronerous(x, y):
return erronerous(x + 1, y - 1)""")
space = new_model(name="ErrModel").new_space(name="ErrSpace")
cells = space.new_cells(formula=errfunc)
with SuppressFormulaError():
with pytest.raises(DeepReferenceError) as errinfo:
cells(1, 3)
assert errinfo.value.args[0] == "Formula chain exceeded the 3 limit"
with pytest.raises(mx.core.system.FormulaError) as errinfo:
cells(1, 3)
errmsg = dedent("""\
Error raised during formula execution
modelx.core.errors.DeepReferenceError: Formula chain exceeded the 3 limit
Formula traceback:
0: ErrModel.ErrSpace.erronerous(x=1, y=3), line 2
1: ErrModel.ErrSpace.erronerous(x=2, y=2), line 2
2: ErrModel.ErrSpace.erronerous(x=3, y=1), line 2
3: ErrModel.ErrSpace.erronerous(x=4, y=0), line 2
Formula source:
def erronerous(x, y):
return erronerous(x + 1, y - 1)
""")
finally:
set_recursion(last_maxdepth)
assert errinfo.value.args[0] == errmsg
def test_delattr_cells(testmodel):
"""
A---foo(x)
"""
space = new_space("A")
@defcells
def foo(x):
return 2 * x
foo(3)
del space.foo
assert not foo._is_valid()
with SuppressFormulaError():
with pytest.raises(AttributeError):
space.foo(3)
with pytest.raises(DeletedObjectError):
foo(3)
def test_get_too_many_args(cells_signatures):
space = cells_signatures
with SuppressFormulaError():
with pytest.raises(TypeError):
space.no_param(1)
with pytest.raises(TypeError):
space.no_param[1]
with pytest.raises(TypeError):
space.single_param(1, 2)
with pytest.raises(TypeError):
space.single_param[1, 2]
with pytest.raises(TypeError):
space.single_param[(1, 2)] # Intepreted as [1, 2]
def test_del_global_attrref():
"""
m-----SpaceA-----foo
+--SpaceB +--s2
+--x
"""
m = mx.new_model()
s = mx.new_space("SpaceA")
@mx.defcells
def foo(i):
return s2.x
s2 = mx.new_space(name="SpaceB", formula=lambda a: None)
s.s2 = s2
m.x = 3
assert foo(3) == 3
del m.x
with SuppressFormulaError():
with pytest.raises(AttributeError):
foo(3)
