def test_from_db_value_none():
"""Tests whether the :see:from_db_value function
correctly handles None values."""
localized_value = LocalizedField().from_db_value(None)
for lang_code, _ in settings.LANGUAGES:
assert localized_value.get(lang_code) is None
def test_to_python():
"""Tests whether the :see:to_python function
produces the expected :see:LocalizedValue."""
input_data = get_init_values()
localized_value = LocalizedField().to_python(input_data)
for language, value in input_data.items():
assert localized_value.get(language) == value
def test_to_python_non_dict():
"""Tests whether the :see:to_python function produces the expected
:see:LocalizedValue when it is passed a non-dictionary value."""
localized_value = LocalizedField().to_python(list())
assert localized_value
for lang_code, _ in settings.LANGUAGES:
assert localized_value.get(lang_code) is None
def test_to_python_str():
"""Tests whether the :see:to_python function produces the expected
:see:LocalizedValue when it is passed serialized string value."""
serialized_str = json.dumps(get_init_values())
localized_value = LocalizedField().to_python(serialized_str)
assert isinstance(localized_value, LocalizedValue)
for language, value in get_init_values().items():
assert localized_value.get(language) == value
assert getattr(localized_value, language) == value
def test_get_prep_value():
""""Tests whether the :see:get_prep_value function
produces the expected dictionary."""
input_data = get_init_values()
localized_value = LocalizedValue(input_data)
output_data = LocalizedField().get_prep_value(localized_value)
for language, value in input_data.items():
assert language in output_data
assert output_data.get(language) == value
def test_to_python_non_json():
"""Tests whether the :see:to_python function
properly handles a string that is not JSON."""
localized_value = LocalizedField().to_python('my value')
assert localized_value.get() == 'my value'
