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# --------------------------------------------------------------------------------------
# Copyright (c) 2018-2024, Nucleic Development Team.
#
# Distributed under the terms of the Modified BSD License.
#
# The full license is in the file LICENSE, distributed with this software.
# --------------------------------------------------------------------------------------
"""Test the typed dictionary."""
from collections import defaultdict
import pytest
from atom.api import Atom, DefaultDict, Instance, Int, List, atomlist, defaultatomdict
@pytest.fixture
def default_atom_dict():
"""Atom with different Dict members."""
class DictAtom(Atom):
untyped = DefaultDict(missing=int)
keytyped = DefaultDict(Int(), missing=int)
valuetyped = DefaultDict(value=Int())
valuetyped_missing = DefaultDict(value=Int(1), missing=int)
fullytyped = DefaultDict(Int(), Int())
fullytyped_missing = DefaultDict(Int(), Int(1), missing=int)
untyped_default = DefaultDict(default=defaultdict(int, {1: 1}))
untyped_default_missing = DefaultDict(default={1: 1}, missing=int)
keytyped_default = DefaultDict(Int(), default=defaultdict(int, {1: 1}))
valuetyped_default = DefaultDict(value=Int(), default={1: 1})
valuetyped_default_missing = DefaultDict(
value=Int(1), default={1: 1}, missing=int
)
fullytyped_default = DefaultDict(Int(), Int(), default={1: 1})
fullytyped_default_missing = DefaultDict(
Int(), Int(1), default={1: 1}, missing=int
)
return DictAtom()
MEMBERS = [
"untyped",
"keytyped",
"valuetyped",
"valuetyped_missing",
"fullytyped",
"fullytyped_missing",
"untyped_default",
"keytyped_default",
"valuetyped_default",
"valuetyped_default_missing",
"fullytyped_default",
"fullytyped_default_missing",
]
@pytest.mark.parametrize("member", MEMBERS)
def test_instance(default_atom_dict, member):
"""Test the repr."""
assert isinstance(getattr(default_atom_dict, member), defaultatomdict)
@pytest.mark.parametrize("member", MEMBERS)
def test_repr(default_atom_dict, member):
"""Test the repr."""
m = getattr(default_atom_dict.__class__, member)
d = m.default_value_mode[1]
if not d or not isinstance(d, defaultdict):
d = defaultdict(m.validate_mode[1][2], {i: i**2 for i in range(10)})
setattr(default_atom_dict, member, d)
assert repr(getattr(default_atom_dict, member)) == repr(d)
@pytest.mark.parametrize("member", MEMBERS)
def test_len(default_atom_dict, member):
"""Test the len."""
d = getattr(default_atom_dict.__class__, member).default_value_mode[1]
if not d:
d = {i: i**2 for i in range(10)}
setattr(default_atom_dict, member, d)
assert len(getattr(default_atom_dict, member)) == len(d)
@pytest.mark.parametrize("member", MEMBERS)
def test_contains(default_atom_dict, member):
"""Test __contains__."""
d = {i: i**2 for i in range(10)}
setattr(default_atom_dict, member, d)
assert 5 in getattr(default_atom_dict, member)
del getattr(default_atom_dict, member)[5]
assert 5 not in getattr(default_atom_dict, member)
@pytest.mark.parametrize("member", MEMBERS)
def test_keys(default_atom_dict, member):
"""Test the keys."""
d = getattr(default_atom_dict.__class__, member).default_value_mode[1]
if not d:
d = {i: i**2 for i in range(10)}
setattr(default_atom_dict, member, d)
assert getattr(default_atom_dict, member).keys() == d.keys()
@pytest.mark.parametrize("member", MEMBERS)
def test_copy(default_atom_dict, member):
"""Test copy."""
d = getattr(default_atom_dict.__class__, member).default_value_mode[1]
if not d:
d = {i: i**2 for i in range(10)}
setattr(default_atom_dict, member, d)
assert getattr(default_atom_dict, member).copy() == d
def test_bad_missing_callable():
with pytest.raises(ValueError) as exc:
class DA(Atom):
broken_d = DefaultDict(missing=lambda: int(""))
assert "The missing argument expect a callable taking no argument" in exc.exconly()
def test_setitem(default_atom_dict):
"""Test setting items."""
default_atom_dict.untyped[""] = 1
assert default_atom_dict.untyped[""] == 1
default_atom_dict.keytyped[1] = ""
assert default_atom_dict.keytyped[1] == ""
with pytest.raises(TypeError):
default_atom_dict.keytyped[""] = 1
default_atom_dict.valuetyped[1] = 1
assert default_atom_dict.valuetyped[1] == 1
with pytest.raises(TypeError):
default_atom_dict.valuetyped[""] = ""
default_atom_dict.fullytyped[1] = 1
assert default_atom_dict.fullytyped[1] == 1
with pytest.raises(TypeError):
default_atom_dict.fullytyped[""] = 1
with pytest.raises(TypeError):
default_atom_dict.fullytyped[1] = ""
def test_setdefault(default_atom_dict):
"""Test using setdefault."""
assert default_atom_dict.untyped.setdefault("", 1) == 1
assert default_atom_dict.untyped.setdefault("", 2) == 1
assert default_atom_dict.untyped[""] == 1
assert default_atom_dict.keytyped.setdefault(1, "") == ""
assert default_atom_dict.keytyped[1] == ""
with pytest.raises(TypeError):
default_atom_dict.keytyped.setdefault("", 1)
assert default_atom_dict.valuetyped.setdefault(1, 1) == 1
assert default_atom_dict.valuetyped.setdefault(1, "") == 1
assert default_atom_dict.valuetyped[1] == 1
with pytest.raises(TypeError):
default_atom_dict.valuetyped.setdefault(2, "")
assert default_atom_dict.fullytyped.setdefault(1, 1) == 1
assert default_atom_dict.fullytyped.setdefault(1, "") == 1
assert default_atom_dict.fullytyped[1] == 1
with pytest.raises(TypeError):
default_atom_dict.fullytyped.setdefault("", 1)
with pytest.raises(TypeError):
default_atom_dict.fullytyped.setdefault(2, "")
def test_setdefault_coercion():
class A(Atom):
d = DefaultDict(int, List(int))
a = A()
content = a.d.setdefault(1, [])
assert isinstance(content, atomlist)
assert content is a.d[1]
def test_update(default_atom_dict):
"""Test update a dict."""
default_atom_dict.untyped.update({"": 1})
assert default_atom_dict.untyped[""] == 1
default_atom_dict.untyped.update([("1", 1)])
assert default_atom_dict.untyped["1"] == 1
default_atom_dict.keytyped.update({1: 1})
assert default_atom_dict.keytyped[1] == 1
default_atom_dict.keytyped.update([(2, 1)])
assert default_atom_dict.keytyped[1] == 1
with pytest.raises(TypeError):
default_atom_dict.keytyped.update({"": 1})
default_atom_dict.valuetyped.update({1: 1})
assert default_atom_dict.valuetyped[1] == 1
default_atom_dict.valuetyped.update([(2, 1)])
assert default_atom_dict.valuetyped[1] == 1
with pytest.raises(TypeError):
default_atom_dict.valuetyped.update({"": ""})
default_atom_dict.fullytyped.update({1: 1})
assert default_atom_dict.fullytyped[1] == 1
default_atom_dict.fullytyped.update([(2, 1)])
assert default_atom_dict.fullytyped[1] == 1
with pytest.raises(TypeError):
default_atom_dict.fullytyped.update({"": 1})
with pytest.raises(TypeError):
default_atom_dict.fullytyped.update({"": ""})
@pytest.mark.parametrize("member_name", MEMBERS)
def test_missing(default_atom_dict, member_name):
assert getattr(default_atom_dict, member_name)[-1] == 0
def test_missing_with_trivial_instance():
class A(Atom):
d = DefaultDict(int, int)
assert isinstance(A.d.validate_mode[1][1], Instance)
a = A()
assert a.d[1] == 0
with pytest.raises(RuntimeError):
A().d[1]
def test_coerced_missing():
class A(Atom):
d = DefaultDict(int, List(int))
a = A()
content = a.d[1]
assert isinstance(content, atomlist)
assert content is a.d[1]
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