LocalizedFieldTestCase.test_default_value_override() - Code Metrics - Inspection of "Bumped coverage to 100%" - SectorLabs/django-localized-fields - Measure and Improve Code Quality continuously with Scrutinizer

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by Swen

created 2016-10-24 09:35 UTC

LocalizedFieldTestCase.test_default_value_override() B

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from django.conf import settings
from django.db.utils import IntegrityError
from django.test import TestCase
from django.utils import translation

from localized_fields.fields import LocalizedField, LocalizedValue
from localized_fields.forms import LocalizedFieldForm


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):
    """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_current_language():
        """Tests whether the :see:LocalizedValue
        class's see:get function properly
        gets the value in the current language."""

        keys = get_init_values()
        localized_value = LocalizedValue(keys)

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

    @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_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()

        assert args[0] == keys


class LocalizedFieldTestCase(TestCase):
    """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_valuei 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

    @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_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):
            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
        )


1			from django.conf import settings
2			from django.db.utils import IntegrityError
3			from django.test import TestCase
4			from django.utils import translation
5
6			from localized_fields.fields import LocalizedField, LocalizedValue
7			from localized_fields.forms import LocalizedFieldForm
8
9
10			def get_init_values() -> dict:
11			"""Gets a test dictionary containing a key
12			for every language."""
13
14			keys = {}
15
16			for lang_code, lang_name in settings.LANGUAGES:
17			keys[lang_code] = 'value in %s' % lang_name
18
19			return keys
20
21
22			class LocalizedValueTestCase(TestCase):
23			"""Tests the :see:LocalizedValue class."""
24
25			@staticmethod
26			def tearDown():
27			"""Assures that the current language
28			is set back to the default."""
29
30			translation.activate(settings.LANGUAGE_CODE)
31
32			@staticmethod
33			def test_init():
34			"""Tests whether the __init__ function
35			of the :see:LocalizedValue class works
36			as expected."""
37
38			keys = get_init_values()
39			value = LocalizedValue(keys)
40
41			for lang_code, _ in settings.LANGUAGES:
42			assert getattr(value, lang_code, None) == keys[lang_code]
43
44			@staticmethod
45			def test_init_default_values():
46			"""Tests wehther the __init__ function
47			of the :see:LocalizedValue accepts the
48			default value or an empty dict properly."""
49
50			value = LocalizedValue()
51
52			for lang_code, _ in settings.LANGUAGES:
53			assert getattr(value, lang_code) is None
54
55			@staticmethod
56			def test_get_explicit():
57			"""Tests whether the the :see:LocalizedValue
58			class's :see:get function works properly
59			when specifying an explicit value."""
60
61			keys = get_init_values()
62			localized_value = LocalizedValue(keys)
63
64			for language, value in keys.items():
65			assert localized_value.get(language) == value
66
67			@staticmethod
68			def test_get_current_language():
69			"""Tests whether the :see:LocalizedValue
70			class's see:get function properly
71			gets the value in the current language."""
72
73			keys = get_init_values()
74			localized_value = LocalizedValue(keys)
75
76			for language, value in keys.items():
77			translation.activate(language)
78			assert localized_value.get() == value
79
80			@staticmethod
81			def test_set():
82			"""Tests whether the :see:LocalizedValue
83			class's see:set function works properly."""
84
85			localized_value = LocalizedValue()
86
87			for language, value in get_init_values():
88			localized_value.set(language, value)
89			assert localized_value.get(language) == value
90			assert getattr(localized_value, language) == value
91
92			@staticmethod
93			def test_str():
94			"""Tests whether the :see:LocalizedValue
95			class's __str__ works properly."""
96
97			keys = get_init_values()
98			localized_value = LocalizedValue(keys)
99
100			for language, value in keys.items():
101			translation.activate(language)
102			assert str(localized_value) == value
103
104			@staticmethod
105			def test_str_fallback():
106			"""Tests whether the :see:LocalizedValue
107			class's __str__'s fallback functionality
108			works properly."""
109
110			test_value = 'myvalue'
111
112			localized_value = LocalizedValue({
113			settings.LANGUAGE_CODE: test_value
114			})
115
116			other_language = settings.LANGUAGES[-1][0]
117
118			# make sure that, by default it returns
119			# the value in the default language
120			assert str(localized_value) == test_value
121
122			# make sure that it falls back to the
123			# primary language when there's no value
124			# available in the current language
125			translation.activate(other_language)
126			assert str(localized_value) == test_value
127
128			# make sure that it's just __str__ falling
129			# back and that for the other language
130			# there's no actual value
131			assert localized_value.get(other_language) != test_value
132
133			@staticmethod
134			def test_deconstruct():
135			"""Tests whether the :see:LocalizedValue
136			class's :see:deconstruct function works properly."""
137
138			keys = get_init_values()
139			value = LocalizedValue(keys)
140
141			path, args, kwargs = value.deconstruct()
142
143			assert args[0] == keys
144
145
146			class LocalizedFieldTestCase(TestCase):
147			"""Tests the :see:LocalizedField class."""
148
149			@staticmethod
150			def test_from_db_value():
151			"""Tests whether the :see:from_db_value function
152			produces the expected :see:LocalizedValue."""
153
154			input_data = get_init_values()
155			localized_value = LocalizedField.from_db_value(input_data)
156
157			for lang_code, _ in settings.LANGUAGES:
158			assert getattr(localized_value, lang_code) == input_data[lang_code]
159
160			@staticmethod
161			def test_from_db_value_none():
162			"""Tests whether the :see:from_db_valuei function
163			correctly handles None values."""
164
165			localized_value = LocalizedField.from_db_value(None)
166
167			for lang_code, _ in settings.LANGUAGES:
168			assert localized_value.get(lang_code) is None
169
170			@staticmethod
171			def test_to_python():
172			"""Tests whether the :see:to_python function
173			produces the expected :see:LocalizedValue."""
174
175			input_data = get_init_values()
176			localized_value = LocalizedField().to_python(input_data)
177
178			for language, value in input_data.items():
179			assert localized_value.get(language) == value
180
181			@staticmethod
182			def test_to_python_none():
183			"""Tests whether the :see:to_python function
184			produces the expected :see:LocalizedValue
185			instance when it is passes None."""
186
187			localized_value = LocalizedField().to_python(None)
188			assert localized_value
189
190			for lang_code, _ in settings.LANGUAGES:
191			assert localized_value.get(lang_code) is None
192
193			@staticmethod
194			def test_to_python_non_dict():
195			"""Tests whether the :see:to_python function produces
196			the expected :see:LocalizedValue when it is
197			passed a non-dictionary value."""
198
199			localized_value = LocalizedField().to_python(list())
200			assert localized_value
201
202			for lang_code, _ in settings.LANGUAGES:
203			assert localized_value.get(lang_code) is None
204
205			@staticmethod
206			def test_get_prep_value():
207			""""Tests whether the :see:get_prep_value function
208			produces the expected dictionary."""
209
210			input_data = get_init_values()
211			localized_value = LocalizedValue(input_data)
212
213			output_data = LocalizedField().get_prep_value(localized_value)
214
215			for language, value in input_data.items():
216			assert language in output_data
217			assert output_data.get(language) == value
218
219			@staticmethod
220			def test_get_prep_value_none():
221			"""Tests whether the :see:get_prep_value function
222			produces the expected output when it is passed None."""
223
224			output_data = LocalizedField().get_prep_value(None)
225			assert not output_data
226
227			@staticmethod
228			def test_get_prep_value_no_localized_value():
229			"""Tests whether the :see:get_prep_value function
230			produces the expected output when it is passed a
231			non-LocalizedValue value."""
232
233			output_data = LocalizedField().get_prep_value(['huh'])
234			assert not output_data
235
236			def test_get_prep_value_clean(self):
237			"""Tests whether the :see:get_prep_value produces
238			None as the output when it is passed an empty, but
239			valid LocalizedValue value but, only when null=True."""
240
241			localized_value = LocalizedValue()
242
243			with self.assertRaises(IntegrityError):
244			LocalizedField(null=False).get_prep_value(localized_value)
245
246			assert not LocalizedField(null=True).get_prep_value(localized_value)
247			assert not LocalizedField().clean(None)
248			assert not LocalizedField().clean(['huh'])
249
250			@staticmethod
251			def test_formfield():
252			"""Tests whether the :see:formfield function
253			correctly returns a valid form."""
254
255			assert isinstance(
256			LocalizedField().formfield(),
257			LocalizedFieldForm
258			)
259

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