LocalizedFieldTestCase

Complexity

Total Complexity

40

Size/Duplication

Total Lines	136
Duplicated Lines	0 %

Importance

Changes	6
Bugs	0	Features	1

12 Methods

Rating	Name	Duplication	Size	Complexity
A	test_from_db_value_none_return_none()	0	9	3
A	test_from_db_value()	0	10	3
A	test_get_prep_value_none()	0	7	2
A	test_get_prep_value()	0	13	4
A	test_to_python()	0	10	3
A	test_formfield()	0	8	2
A	test_from_db_value_none()	0	9	3
A	test_to_python_none()	0	11	4
B	test_to_python_str()	0	13	5
A	test_get_prep_value_no_localized_value()	0	8	2
A	test_to_python_non_dict()	0	11	4
B	test_get_prep_value_clean()	0	13	5

import json
from django.conf import settings

The import django.conf could not be resolved.

from django.db.utils import IntegrityError

The import django.db.utils could not be resolved.

from django.test import TestCase

The import django.test could not be resolved.

from django.utils import translation

The import django.utils could not be resolved.

from localized_fields import LocalizedField, LocalizedFieldForm, LocalizedValue


def get_init_values() -> dict:
    """Gets a test dictionary containing a key
    for every language."""

    keys = {}

    for lang_code, lang_name in settings.LANGUAGES:
        keys[lang_code] = 'value in %s' % lang_name

    return keys


class LocalizedValueTestCase(TestCase):

This class has no __init__ method.

    """Tests the :see:LocalizedValue class."""

    @staticmethod
    def tearDown():
        """Assures that the current language
        is set back to the default."""

        translation.activate(settings.LANGUAGE_CODE)

    @staticmethod
    def test_init():
        """Tests whether the __init__ function
        of the :see:LocalizedValue class works
        as expected."""

        keys = get_init_values()
        value = LocalizedValue(keys)

        for lang_code, _ in settings.LANGUAGES:
            assert getattr(value, lang_code, None) == keys[lang_code]

    @staticmethod
    def test_init_default_values():
        """Tests wehther the __init__ function
        of the :see:LocalizedValue accepts the
        default value or an empty dict properly."""

        value = LocalizedValue()

        for lang_code, _ in settings.LANGUAGES:
            assert getattr(value, lang_code) is None

    @staticmethod
    def test_get_explicit():
        """Tests whether the the :see:LocalizedValue
        class's :see:get function works properly
        when specifying an explicit value."""

        keys = get_init_values()
        localized_value = LocalizedValue(keys)

        for language, value in keys.items():
            assert localized_value.get(language) == value

    @staticmethod
    def test_get_default_language():
        """Tests whether the :see:LocalizedValue
        class's see:get function properly
        gets the value in the default language."""

        keys = get_init_values()
        localized_value = LocalizedValue(keys)

        for language, _ in keys.items():
            translation.activate(language)
            assert localized_value.get() == keys[settings.LANGUAGE_CODE]

    @staticmethod
    def test_set():
        """Tests whether the :see:LocalizedValue
        class's see:set function works properly."""

        localized_value = LocalizedValue()

        for language, value in get_init_values():
            localized_value.set(language, value)
            assert localized_value.get(language) == value
            assert getattr(localized_value, language) == value

    @staticmethod
    def test_str():
        """Tests whether the :see:LocalizedValue
        class's __str__ works properly."""

        keys = get_init_values()
        localized_value = LocalizedValue(keys)

        for language, value in keys.items():
            translation.activate(language)
            assert str(localized_value) == value

    @staticmethod
    def test_eq():
        """Tests whether the __eq__ operator
        of :see:LocalizedValue works properly."""

        a = LocalizedValue({'en': 'a', 'ar': 'b'})
        b = LocalizedValue({'en': 'a', 'ar': 'b'})

        assert a == b

        b.en = 'b'
        assert a != b

    @staticmethod
    def test_str_fallback():
        """Tests whether the :see:LocalizedValue
        class's __str__'s fallback functionality
        works properly."""

        test_value = 'myvalue'

        localized_value = LocalizedValue({
            settings.LANGUAGE_CODE: test_value
        })

        other_language = settings.LANGUAGES[-1][0]

        # make sure that, by default it returns
        # the value in the default language
        assert str(localized_value) == test_value

        # make sure that it falls back to the
        # primary language when there's no value
        # available in the current language
        translation.activate(other_language)
        assert str(localized_value) == test_value

        # make sure that it's just __str__ falling
        # back and that for the other language
        # there's no actual value
        assert localized_value.get(other_language) != test_value

    @staticmethod
    def test_deconstruct():
        """Tests whether the :see:LocalizedValue
        class's :see:deconstruct function works properly."""

        keys = get_init_values()
        value = LocalizedValue(keys)

        path, args, kwargs = value.deconstruct()

The variable kwargs seems to be unused.

The variable path seems to be unused.

        assert args[0] == keys

    @staticmethod
    def test_construct_string():
        """Tests whether the :see:LocalizedValue's constructor
        assumes the primary language when passing a single string."""

        value = LocalizedValue('beer')
        assert value.get(settings.LANGUAGE_CODE) == 'beer'


class LocalizedFieldTestCase(TestCase):

This class has no __init__ method.

    """Tests the :see:LocalizedField class."""

    @staticmethod
    def test_from_db_value():
        """Tests whether the :see:from_db_value function
        produces the expected :see:LocalizedValue."""

        input_data = get_init_values()
        localized_value = LocalizedField().from_db_value(input_data)

        for lang_code, _ in settings.LANGUAGES:
            assert getattr(localized_value, lang_code) == input_data[lang_code]

    @staticmethod
    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_from_db_value_none_return_none(self):
        """Tests whether the :see:from_db_value function
        correctly handles None values when LOCALIZED_FIELDS_EXPERIMENTAL
        is set to True."""

        with self.settings(LOCALIZED_FIELDS_EXPERIMENTAL=True):

The Instance of LocalizedFieldTestCase does not seem to have a member named settings.

            localized_value = LocalizedField.from_db_value(None)

        assert localized_value is None

    @staticmethod
    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

    @staticmethod
    def test_to_python_none():
        """Tests whether the :see:to_python function
        produces the expected :see:LocalizedValue
        instance when it is passes None."""

        localized_value = LocalizedField().to_python(None)
        assert localized_value

        for lang_code, _ in settings.LANGUAGES:
            assert localized_value.get(lang_code) is None

    @staticmethod
    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

    @staticmethod
    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

    @staticmethod
    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

    @staticmethod
    def test_get_prep_value_none():
        """Tests whether the :see:get_prep_value function
        produces the expected output when it is passed None."""

        output_data = LocalizedField().get_prep_value(None)
        assert not output_data

    @staticmethod
    def test_get_prep_value_no_localized_value():
        """Tests whether the :see:get_prep_value function
        produces the expected output when it is passed a
        non-LocalizedValue value."""

        output_data = LocalizedField().get_prep_value(['huh'])
        assert not output_data

    def test_get_prep_value_clean(self):
        """Tests whether the :see:get_prep_value produces
        None as the output when it is passed an empty, but
        valid LocalizedValue value but, only when null=True."""

        localized_value = LocalizedValue()

        with self.assertRaises(IntegrityError):

The Instance of LocalizedFieldTestCase does not seem to have a member named assertRaises.

            LocalizedField(null=False).get_prep_value(localized_value)

        assert not LocalizedField(null=True).get_prep_value(localized_value)
        assert not LocalizedField().clean(None)
        assert not LocalizedField().clean(['huh'])

    @staticmethod
    def test_formfield():
        """Tests whether the :see:formfield function
        correctly returns a valid form."""

        assert isinstance(
            LocalizedField().formfield(),
            LocalizedFieldForm
        )