def test__stack_raises_when_kwargs_list_lengths_and_stackers_lengths_differ():
with pytest.raises(ValueError) as e:
_stack(['a', 'b', 'c'], 'foo', 'bar', baz=[1, 2], quux=[3, 4])
assert str(e).endswith(
"Keyword argument sequences for broadcasting must be the same length as stackers"
)
def test__stack_raises_when_spec_in_kwargs():
with pytest.raises(ValueError) as e:
_stack(['a', 'b'], 'foo', 'bar', foo=10)
assert str(e).endswith("Stack property 'foo' cannot appear in keyword args")
with pytest.raises(ValueError) as e:
_stack(['a', 'b'], 'foo', 'bar', bar=10)
assert str(e).endswith("Stack property 'bar' cannot appear in keyword args")
def test__stack_raises_when_spec_in_kwargs():
with pytest.raises(ValueError) as e:
_stack(['a', 'b'], 'foo', 'bar', foo=10)
assert str(e).endswith("Stack property 'foo' cannot appear in keyword args")
with pytest.raises(ValueError) as e:
_stack(['a', 'b'], 'foo', 'bar', bar=10)
assert str(e).endswith("Stack property 'bar' cannot appear in keyword args")
def test__stack_broadcast_with_no_kwargs():
stackers = ['a', 'b', 'c', 'd']
kws = _stack(stackers, 'start', 'end')
assert len(kws) == len(stackers)
for i, kw in enumerate(kws):
assert set(['start', 'end']) == set(kw.keys())
assert list(kw['start']['expr'].fields) == stackers[:i]
assert list(kw['end']['expr'].fields) == stackers[:(i+1)]
def test__stack_broadcast_with_no_kwargs():
stackers = ['a', 'b', 'c', 'd']
kws = _stack(stackers, 'start', 'end')
assert len(kws) == len(stackers)
for i, kw in enumerate(kws):
assert set(['start', 'end']) == set(kw.keys())
assert list(kw['start']['expr'].fields) == stackers[:i]
assert list(kw['end']['expr'].fields) == stackers[:(i + 1)]
def test__stack_broadcast_with_list_kwargs():
stackers = ['a', 'b', 'c', 'd']
kws = _stack(stackers, 'start', 'end', foo=[10, 20, 30, 40], bar="baz")
assert len(kws) == len(stackers)
for i, kw in enumerate(kws):
assert set(['start', 'end', 'foo', 'bar']) == set(kw.keys())
assert list(kw['start']['expr'].fields) == stackers[:i]
assert list(kw['end']['expr'].fields) == stackers[:(i+1)]
assert kw['foo'] == [10, 20, 30, 40][i]
assert kw['bar'] == "baz"
def test__stack_broadcast_with_list_kwargs():
stackers = ['a', 'b', 'c', 'd']
kws = _stack(stackers, 'start', 'end', foo=[10, 20, 30, 40], bar="baz")
assert len(kws) == len(stackers)
for i, kw in enumerate(kws):
assert set(['start', 'end', 'foo', 'bar']) == set(kw.keys())
assert list(kw['start']['expr'].fields) == stackers[:i]
assert list(kw['end']['expr'].fields) == stackers[:(i + 1)]
assert kw['foo'] == [10, 20, 30, 40][i]
assert kw['bar'] == "baz"
def test__stack_broadcast_name_scalar_overrides():
stackers = ['a', 'b', 'c', 'd']
kws = _stack(stackers, 'start', 'end', foo=[10, 20, 30, 40], bar="baz", name="name")
assert len(kws) == len(stackers)
for i, kw in enumerate(kws):
assert set(['start', 'end', 'foo', 'bar', 'name']) == set(kw.keys())
assert list(kw['start']['expr'].fields) == stackers[:i]
assert list(kw['end']['expr'].fields) == stackers[:(i+1)]
assert kw['foo'] == [10, 20, 30, 40][i]
assert kw['bar'] == "baz"
assert kw['name'] == "name"
def test__stack_broadcast_name_scalar_overrides():
stackers = ['a', 'b', 'c', 'd']
kws = _stack(stackers, 'start', 'end', foo=[10, 20, 30, 40], bar="baz", name="name")
assert len(kws) == len(stackers)
for i, kw in enumerate(kws):
assert set(['start', 'end', 'foo', 'bar', 'name']) == set(kw.keys())
assert list(kw['start']['expr'].fields) == stackers[:i]
assert list(kw['end']['expr'].fields) == stackers[:(i+1)]
assert kw['foo'] == [10, 20, 30, 40][i]
assert kw['bar'] == "baz"
assert kw['name'] == "name"
def test__stack_raises_when_kwargs_list_lengths_and_stackers_lengths_differ():
with pytest.raises(ValueError) as e:
_stack(['a', 'b', 'c'], 'foo', 'bar', baz=[1, 2], quux=[3,4])
assert str(e).endswith("Keyword argument sequences for broadcasting must be the same length as stackers")