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import pytest
from pytest import raises
from freeorion_tools import ReadOnlyDict
dict_content = {
1: -1,
1.09: 1.1,
"abc": "xyz",
(1, 2, 3): ("a", 1, (1, 2)),
}
def test_readonly_dict_created_from_dict_behaves_the_same():
test_dict = ReadOnlyDict(dict_content)
assert set(test_dict.keys()) == set(dict_content.keys())
assert set(test_dict.values()) == set(dict_content.values())
assert set(test_dict.items()) == set(dict_content.items())
assert len(test_dict) == len(dict_content)
def test_readonly_dict_created_from_dict_iterates_over_same_keys():
test_dict = ReadOnlyDict(dict_content)
assert set(test_dict) == set(dict_content)
def test_readonly_dict_get_existing_key_works_same_as_for_dict():
test_dict = ReadOnlyDict(dict_content)
# check for membership checks and retrieval
for key, value in dict_content.items():
assert key in test_dict
assert test_dict[key] == value
assert test_dict.get(key, -99999) == value
def test_readonly_dict_get_non_existiong_key_works_same_as_for_dict():
test_dict = ReadOnlyDict(dict_content)
# check correct functionality if keys not in dict
assert "INVALID_KEY" not in test_dict
assert test_dict.get("INVALID_KEY", -99999) == -99999
with pytest.raises(KeyError, match="'INVALID_KEY'"):
# noinspection PyStatementEffect
test_dict["INVALID_KEY"]
pytest.fail("Invalid key lookup didn't raise a KeyError")
def test_readonly_dict_evaluated_to_bool_same_as_collection():
test_dict = ReadOnlyDict(dict_content)
assert bool(test_dict)
assert test_dict
empty_dict = ReadOnlyDict()
assert not len(empty_dict)
assert not empty_dict
def test_readonly_dict_created_from_dict_can_be_converted_to_the_same_dict():
read_only_dict = ReadOnlyDict(dict_content)
normal_dict = dict(read_only_dict)
assert len(normal_dict) == len(dict_content)
assert set(normal_dict.items()) == set(dict_content.items())
def test_readonly_dict_remove_value_raises_error():
test_dict = ReadOnlyDict(dict_content)
with raises(TypeError):
del test_dict[1]
raise AssertionError("Can delete items from the dict.")
def test_readonly_dict_set_value_raises_error():
test_dict = ReadOnlyDict(dict_content)
with raises(TypeError, match="'ReadOnlyDict' object does not support item assignment"):
test_dict["INVALID_KEY"] = 1
pytest.fail("Can add items to the dict.")
assert "INVALID_KEY" not in test_dict
def test_readonly_create_from_dict_with_hashable_values_raises_error():
with raises(TypeError, match="unhashable type: 'list'"):
ReadOnlyDict({1: [1]})
pytest.fail("Can store mutable items in dict")
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