LocalizedValueTestCase.test_str() - Code Metrics - Inspection of "Bumped version to 2.0 - breaking change" - SectorLabs/django-localized-fields - Measure and Improve Code Quality continuously with Scrutinizer

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by Swen

created 2016-12-16 06:58 UTC

LocalizedValueTestCase.test_str() A

↳ Parent: LocalizedValueTestCase

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cc	3
c	1
b	0
f	0
dl	0
loc	11
rs	9.4285

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

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

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