LocalizedValueTestCase.test_construct_string() - Code Metrics - Inspection of "Added missing test for LocalizedValue __init__" - SectorLabs/django-localized-fields - Measure and Improve Code Quality continuously with Scrutinizer

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created 2017-02-02 13:04 UTC

LocalizedValueTestCase.test_construct_string() A

↳ Parent: LocalizedValueTestCase

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cc	2
c	1
b	0
f	0
dl	0
loc	7
rs	9.4285

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

from localized_fields import LocalizedField, LocalizedValue, 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_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

    @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):
    """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.test import TestCase
3			from django.utils import translation
4			from django.db.utils import IntegrityError
5
6			from localized_fields import LocalizedField, LocalizedValue, LocalizedFieldForm
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			@staticmethod
145			def test_construct_string():
146			"""Tests whether the :see:LocalizedValue's constructor
147			assumes the primary language when passing a single string."""
148
149			value = LocalizedValue('beer')
150			assert value.get(settings.LANGUAGE_CODE) == 'beer'
151
152
153			class LocalizedFieldTestCase(TestCase):
154			"""Tests the :see:LocalizedField class."""
155
156			@staticmethod
157			def test_from_db_value():
158			"""Tests whether the :see:from_db_value function
159			produces the expected :see:LocalizedValue."""
160
161			input_data = get_init_values()
162			localized_value = LocalizedField.from_db_value(input_data)
163
164			for lang_code, _ in settings.LANGUAGES:
165			assert getattr(localized_value, lang_code) == input_data[lang_code]
166
167			@staticmethod
168			def test_from_db_value_none():
169			"""Tests whether the :see:from_db_valuei function
170			correctly handles None values."""
171
172			localized_value = LocalizedField.from_db_value(None)
173
174			for lang_code, _ in settings.LANGUAGES:
175			assert localized_value.get(lang_code) is None
176
177			@staticmethod
178			def test_to_python():
179			"""Tests whether the :see:to_python function
180			produces the expected :see:LocalizedValue."""
181
182			input_data = get_init_values()
183			localized_value = LocalizedField().to_python(input_data)
184
185			for language, value in input_data.items():
186			assert localized_value.get(language) == value
187
188			@staticmethod
189			def test_to_python_none():
190			"""Tests whether the :see:to_python function
191			produces the expected :see:LocalizedValue
192			instance when it is passes None."""
193
194			localized_value = LocalizedField().to_python(None)
195			assert localized_value
196
197			for lang_code, _ in settings.LANGUAGES:
198			assert localized_value.get(lang_code) is None
199
200			@staticmethod
201			def test_to_python_non_dict():
202			"""Tests whether the :see:to_python function produces
203			the expected :see:LocalizedValue when it is
204			passed a non-dictionary value."""
205
206			localized_value = LocalizedField().to_python(list())
207			assert localized_value
208
209			for lang_code, _ in settings.LANGUAGES:
210			assert localized_value.get(lang_code) is None
211
212			@staticmethod
213			def test_get_prep_value():
214			""""Tests whether the :see:get_prep_value function
215			produces the expected dictionary."""
216
217			input_data = get_init_values()
218			localized_value = LocalizedValue(input_data)
219
220			output_data = LocalizedField().get_prep_value(localized_value)
221
222			for language, value in input_data.items():
223			assert language in output_data
224			assert output_data.get(language) == value
225
226			@staticmethod
227			def test_get_prep_value_none():
228			"""Tests whether the :see:get_prep_value function
229			produces the expected output when it is passed None."""
230
231			output_data = LocalizedField().get_prep_value(None)
232			assert not output_data
233
234			@staticmethod
235			def test_get_prep_value_no_localized_value():
236			"""Tests whether the :see:get_prep_value function
237			produces the expected output when it is passed a
238			non-LocalizedValue value."""
239
240			output_data = LocalizedField().get_prep_value(['huh'])
241			assert not output_data
242
243			def test_get_prep_value_clean(self):
244			"""Tests whether the :see:get_prep_value produces
245			None as the output when it is passed an empty, but
246			valid LocalizedValue value but, only when null=True."""
247
248			localized_value = LocalizedValue()
249
250			with self.assertRaises(IntegrityError):
251			LocalizedField(null=False).get_prep_value(localized_value)
252
253			assert not LocalizedField(null=True).get_prep_value(localized_value)
254			assert not LocalizedField().clean(None)
255			assert not LocalizedField().clean(['huh'])
256
257			@staticmethod
258			def test_formfield():
259			"""Tests whether the :see:formfield function
260			correctly returns a valid form."""
261
262			assert isinstance(
263			LocalizedField().formfield(),
264			LocalizedFieldForm
265			)
266

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LocalizedValueTestCase.test_construct_string() A

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