Added tests

.travis.yml

@@ -14,23 +14,19 @@ env:
   global:
     - DISPLAY=:99.0
   matrix:
-    - DJANGO="Django<1.7,>=1.6"
     - DJANGO="Django<1.8,>=1.7"
     - DJANGO="Django<1.9,>=1.8"
     - DJANGO="-e git+https://github.com/django/django.git@master#egg=Django"
 matrix:
   fast_finish: true
   allow_failures:
-    - env: DJANGO="Django<1.7,>=1.6"
     - env: DJANGO="-e git+https://github.com/django/django.git@master#egg=Django"
-    - python: "pypy"
-    - python: "pypy3"
 install:
   - pip install --upgrade pip
   - pip install -e .
   - pip install -r requirements_dev.txt
-  - if [[ $TRAVIS_PYTHON_VERSION == 2* ]]; then pip install python-memcached; fi
-  - if [[ $TRAVIS_PYTHON_VERSION == 3* ]]; then pip install python3-memcached; fi
+  - if [[ $TRAVIS_PYTHON_VERSION == 2* ]] || [[ $TRAVIS_PYTHON_VERSION == pypy ]]; then pip install python-memcached; fi
+  - if [[ $TRAVIS_PYTHON_VERSION == 3* ]] || [[ $TRAVIS_PYTHON_VERSION == pypy3 ]]; then pip install python3-memcached; fi
   - pip install $DJANGO
   - pip install coveralls
   - sh -e /etc/init.d/xvfb start

django_select2/__init__.py

@@ -58,7 +58,7 @@ Light widgets are normally named, i.e. there is no
 :py:class:`.ModelSelect2Widget`,
 :py:class:`.ModelSelect2MultipleWidget`,
 :py:class:`.HeavySelect2TagWidget`,
-:py:class:`.ModelSelect2TagWidget`
+:py:class:`.GenreSelect2TagWidget`
 
 `Read more`_
 

django_select2/forms.py

@@ -32,14 +32,14 @@ class Select2Mixin(object):
     """
 
     def build_attrs(self, extra_attrs=None, **kwargs):
-        attrs = super(Select2Mixin, self).build_attrs(extra_attrs=None, **kwargs)
+        attrs = super(Select2Mixin, self).build_attrs(extra_attrs=extra_attrs, **kwargs)
         if self.is_required:
             attrs.setdefault('data-allow-clear', 'false')
         else:
             attrs.setdefault('data-allow-clear', 'true')
             attrs.setdefault('data-placeholder', '')
 
-        attrs.setdefault('data-minimumInputLength', 0)
+        attrs.setdefault('data-minimum-input-length', 0)
         if 'class' in attrs:
             attrs['class'] += ' django-select2'
         else:
@@ -47,7 +47,7 @@ class Select2Mixin(object):
         return attrs
 
     def render_options(self, choices, selected_choices):
-        output = '<option></option>\n' if not self.is_required else ''
+        output = '<option></option>' if not self.is_required else ''
         output += super(Select2Mixin, self).render_options(choices, selected_choices)
         return output
 
@@ -86,7 +86,7 @@ class HeavySelect2Mixin(Select2Mixin):
         self.data_view = kwargs.pop('data_view', None)
         self.data_url = kwargs.pop('data_url', None)
         if not (self.data_view or self.data_url):
-            ValueError('You must ether specify "data_view" or "data_url".')
+            raise ValueError('You must ether specify "data_view" or "data_url".')
         self.userGetValTextFuncName = kwargs.pop('userGetValTextFuncName', 'null')
         super(HeavySelect2Mixin, self).__init__(**kwargs)
 
@@ -96,39 +96,37 @@ class HeavySelect2Mixin(Select2Mixin):
         return reverse_lazy(self.data_view)
 
     def build_attrs(self, extra_attrs=None, **kwargs):
-        attrs = super(HeavySelect2Mixin, self).build_attrs(extra_attrs, **kwargs)
+        attrs = super(HeavySelect2Mixin, self).build_attrs(extra_attrs=extra_attrs, **kwargs)
 
         # encrypt instance Id
-        widget_id = signing.dumps(id(self))
-        # add widget object to cache
-        cache.set(self._get_cache_key(), self)
+        self.widget_id = signing.dumps(id(self))
 
-        attrs['data-field_id'] = widget_id
+        attrs['data-field_id'] = self.widget_id
         attrs.setdefault('data-ajax--url', self.get_url())
         attrs.setdefault('data-ajax--cache', "true")
         attrs.setdefault('data-ajax--type', "GET")
-        attrs.setdefault('data-minimumInputLength', 2)
+        attrs.setdefault('data-minimum-input-length', 2)
 
-        if 'class' in attrs:
-            attrs['class'] += ' django-select2-heavy'
-        else:
-            attrs['class'] = 'django-select2-heavy'
+        attrs['class'] += ' django-select2-heavy'
         return attrs
 
+    def render(self, name, value, attrs=None, choices=()):
+        output = super(HeavySelect2Mixin, self).render(name, value, attrs=attrs, choices=choices)
+        self.set_to_cache()
+        return output
+
     def _get_cache_key(self):
         return "%s%s" % (settings.SELECT2_CACHE_PREFIX, id(self))
 
-    def value_from_datadict(self, *args, **kwargs):
-        return super(HeavySelect2Mixin, self).value_from_datadict(*args, **kwargs)
+    def set_to_cache(self):
+        """Add widget object to Djnago's cache."""
+        cache.set(self._get_cache_key(), self)
 
     def render_options(self, choices, selected_choices):
-        output = [super(HeavySelect2Mixin, self).render_options(choices, selected_choices)]
-        if isinstance(choices, ModelChoiceIterator):
-            selected_choices = set(choices.choice(obj)
-                                   for obj in choices.queryset.filter(pk__in=selected_choices))
-        else:
-            selected_choices = set((force_text(v), v) for v in choices if v in selected_choices)
-        for option_label, option_value in selected_choices:
+        output = ['<option></option>' if not self.is_required else '']
+        choices = {(k, v) for k, v in choices if k in selected_choices}
+        selected_choices = {force_text(v) for v in selected_choices}
+        for option_value, option_label in choices:
             output.append(self.render_option(selected_choices, option_value, option_label))
         return '\n'.join(output)
 
@@ -143,10 +141,10 @@ class HeavySelect2MultipleWidget(HeavySelect2Mixin, forms.SelectMultiple):
 
 class HeavySelect2TagWidget(HeavySelect2MultipleWidget):
     def build_attrs(self, extra_attrs=None, **kwargs):
-        attrs = super(HeavySelect2TagWidget, self).build_attrs(self, extra_attrs, **kwargs)
-        attrs['data-minimumInputLength'] = 1
+        attrs = super(HeavySelect2TagWidget, self).build_attrs(extra_attrs, **kwargs)
+        attrs['data-minimum-input-length'] = 1
         attrs['data-tags'] = 'true'
-        attrs['data-tokenSeparators'] = [",", " "]
+        attrs['data-token-separators'] = [",", " "]
         return attrs
 
 
@@ -154,9 +152,6 @@ class HeavySelect2TagWidget(HeavySelect2MultipleWidget):
 
 
 class ModelSelect2Mixin(object):
-
-    """Mixin for """
-
     model = None
     queryset = None
     search_fields = []
@@ -198,6 +193,22 @@ class ModelSelect2Mixin(object):
             return self.search_fields
         raise NotImplementedError('%s, must implement "search_fields".' % self.__class__.__name__)
 
+    def render_options(self, choices, selected_choices):
+        output = ['<option></option>' if not self.is_required else '']
+        if isinstance(self.choices, ModelChoiceIterator):
+            if not self.queryset:
+                self.queryset = self.choices.queryset
+            selected_choices = {c for c in selected_choices
+                                if c not in self.choices.field.empty_values}
+            choices = {self.choices.choice(obj)
+                       for obj in self.choices.queryset.filter(pk__in=selected_choices)}
+        else:
+            choices = {(k, v) for k, v in choices if k in selected_choices}
+        selected_choices = {force_text(v) for v in selected_choices}
+        for option_value, option_label in choices:
+            output.append(self.render_option(selected_choices, option_value, option_label))
+        return '\n'.join(output)
+
 
 class ModelSelect2Widget(ModelSelect2Mixin, HeavySelect2Widget):
 

setup.cfg

@@ -1,4 +1,5 @@
 [pytest]
+norecursedirs = env
 addopts = --tb=short -rxs
 DJANGO_SETTINGS_MODULE=tests.testapp.settings
 

setup.py

@@ -23,50 +23,6 @@ URL = "https://github.com/applegrew/django-select2"
 VERSION = __import__(PACKAGE).__version__
 
 
-def getPkgPath():
-    return __import__(PACKAGE).__path__[0] + '/'
-
-
-def minify(files, outfile, ftype):
-    import requests
-    import io
-
-    content = ''
-
-    for filename in files:
-        with io.open(getPkgPath() + filename, 'r', encoding='utf8') as f:
-            content = content + '\n' + f.read()
-
-    data = {
-        'code': content,
-        'type': ftype,
-    }
-    response = requests.post('http://api.applegrew.com/minify', data)
-    response.raise_for_status()
-    response = response.json()
-    if response['success']:
-        with io.open(getPkgPath() + outfile, 'w', encoding='utf8') as f:
-            f.write(response['compiled_code'])
-    else:
-        raise Exception('%(error_code)s: "%(error)s"' % response)
-
-
-if len(sys.argv) > 1 and 'sdist' == sys.argv[1]:
-    minify(['static/django_select2/js/select2.js'], 'static/django_select2/js/select2.min.js', 'js')
-    minify(['static/django_select2/js/heavy_data.js'], 'static/django_select2/js/heavy_data.min.js', 'js')
-    minify(['static/django_select2/css/select2.css'], 'static/django_select2/css/select2.min.css', 'css')
-    minify(['static/django_select2/css/select2.css', 'static/django_select2/css/extra.css'],
-           'static/django_select2/css/all.min.css', 'css')
-    minify(['static/django_select2/css/select2.css', 'static/django_select2/css/select2-bootstrap.css'],
-           'static/django_select2/css/select2-bootstrapped.min.css', 'css')
-    minify(
-        [
-            'static/django_select2/css/select2.css',
-            'static/django_select2/css/extra.css',
-            'static/django_select2/css/select2-bootstrap.css'
-        ], 'static/django_select2/css/all-bootstrapped.min.css', 'css')
-
-
 class PyTest(Command):
     user_options = []
 
@@ -102,6 +58,10 @@ setup(
         "License :: OSI Approved :: Apache Software License",
         "Operating System :: OS Independent",
         "Programming Language :: Python",
+        "Programming Language :: Python :: 2",
+        "Programming Language :: Python :: 3",
+        "Framework :: Django :: 1.7",
+        "Framework :: Django :: 1.8",
         "Framework :: Django",
     ],
     install_requires=[

tests/test_fields.py

@@ -1,50 +0,0 @@
-# -*- coding:utf-8 -*-
-from __future__ import print_function, unicode_literals
-
-import json
-
-import pytest
-from django.core.urlresolvers import reverse
-from django.utils.encoding import smart_text
-from selenium.common.exceptions import NoSuchElementException
-
-from django_select2.types import NO_ERR_RESP
-from tests.testapp.forms import AlbumForm, ArtistForm
-
-
-class ViewTestMixin(object):
-    url = ''
-
-    def test_get(self, client):
-        response = client.get(self.url)
-        assert response.status_code == 200
-
-
-class TestAutoModelSelect2TagField(object):
-    url = reverse('single_value_model_field')
-
-    def test_no_js_error(self, db, client, live_server, driver, genres):
-        driver.get(live_server + self.url)
-        with pytest.raises(NoSuchElementException):
-            error = driver.find_element_by_xpath('//body[@JSError]')
-            pytest.fail(error.get_attribute('JSError'))
-
-    def test_form(self):
-        form = ArtistForm()
-        assert form
-
-
-class TestAutoModelSelect2Field(object):
-    def test_form(self, client, artists):
-        artist = artists[0]
-        form = AlbumForm()
-        assert form.as_p()
-        field_id = form.fields['artist'].widget.widget_id
-        url = reverse('django_select2_central_json')
-        response = client.get(url, {'field_id': field_id, 'term': artist.title})
-        assert response.status_code == 200
-        data = json.loads(response.content.decode('utf-8'))
-        assert data['results']
-        assert {'id': artist.pk, 'text': smart_text(artist)} in data['results']
-        assert data['more'] is False
-        assert data['err'] == NO_ERR_RESP

tests/test_forms.py

@@ -0,0 +1,188 @@
+# -*- coding: utf-8 -*-
+from __future__ import absolute_import, unicode_literals
+
+import collections
+import json
+
+import pytest
+from django.core import signing
+from django.core.urlresolvers import reverse
+from django.db.models import QuerySet
+from django.utils.encoding import force_text
+from model_mommy import mommy
+from selenium.common.exceptions import NoSuchElementException
+from six import text_type
+
+from django_select2.cache import cache
+from django_select2.forms import (
+    HeavySelect2Widget, ModelSelect2TagWidget, ModelSelect2Widget,
+    Select2Widget
+)
+from tests.testapp import forms
+from tests.testapp.forms import NUMBER_CHOICES, HeavySelect2MultipleWidgetForm
+from tests.testapp.models import Genre
+
+
+class TestSelect2Mixin(object):
+    url = reverse('select2_widget')
+    form = forms.AlbumSelect2WidgetForm()
+    widget_cls = Select2Widget
+
+    def test_initial_form_class(self):
+        widget = self.widget_cls(attrs={'class': 'my-class'})
+        assert 'my-class' in widget.render('name', None)
+        assert 'django-select2' in widget.render('name', None)
+
+    def test_allow_clear(self, db):
+        required_field = self.form.fields['artist']
+        assert required_field.required is True
+        assert 'data-allow-clear="true"' not in required_field.widget.render('artist', None)
+        assert 'data-allow-clear="false"' in required_field.widget.render('artist', None)
+        assert '<option></option>' not in required_field.widget.render('artist', None)
+
+        not_required_field = self.form.fields['primary_genre']
+        assert not_required_field.required is False
+        assert 'data-allow-clear="true"' in not_required_field.widget.render('primary_genre', None)
+        assert 'data-allow-clear="false"' not in not_required_field.widget.render('primary_genre',
+                                                                                  None)
+        assert 'data-placeholder' in not_required_field.widget.render('primary_genre', None)
+        assert '<option></option>' in not_required_field.widget.render('primary_genre', None)
+
+    def test_no_js_error(self, db, live_server, driver):
+        driver.get(live_server + self.url)
+        with pytest.raises(NoSuchElementException):
+            error = driver.find_element_by_xpath('//body[@JSError]')
+            pytest.fail(error.get_attribute('JSError'))
+
+    def test_selecting(self, db, live_server, driver):
+        driver.get(live_server + self.url)
+        with pytest.raises(NoSuchElementException):
+            driver.find_element_by_css_selector('.select2-results')
+        elem = driver.find_element_by_css_selector('.select2-selection')
+        elem.click()
+        results = driver.find_element_by_css_selector('.select2-results')
+        assert results.is_displayed() is True
+        elem = results.find_element_by_css_selector('.select2-results__option')
+        elem.click()
+
+        with pytest.raises(NoSuchElementException):
+            error = driver.find_element_by_xpath('//body[@JSError]')
+            pytest.fail(error.get_attribute('JSError'))
+
+    def test_data_url(self):
+        with pytest.raises(ValueError):
+            HeavySelect2Widget()
+
+        widget = HeavySelect2Widget(data_url='/foo/bar')
+        assert widget.get_url() == '/foo/bar'
+
+
+class TestHeavySelect2Mixin(TestSelect2Mixin):
+    url = reverse('heavy_select2_widget')
+    form = forms.HeavySelect2WidgetForm(initial={'primary_genre': [1]})
+    widget_cls = HeavySelect2Widget
+
+    def test_initial_form_class(self):
+        widget = self.widget_cls(data_view='heavy_data', attrs={'class': 'my-class'})
+        assert 'my-class' in widget.render('name', None)
+        assert 'django-select2' in widget.render('name', None)
+        assert 'django-select2-heavy' in widget.render('name', None), widget.render('name', None)
+
+    def test_selected_option(self, db):
+        not_required_field = self.form.fields['primary_genre']
+        assert not_required_field.required is False
+        assert '<option value="1" selected="selected">One</option>' in \
+               not_required_field.widget.render('primary_genre', 1, choices=NUMBER_CHOICES), \
+            not_required_field.widget.render('primary_genre', 1, choices=NUMBER_CHOICES)
+
+    def test_many_selected_option(self, db, genres):
+        field = HeavySelect2MultipleWidgetForm().fields['genres']
+        widget_output = field.widget.render(
+            'genres', [1, 2],
+            choices=NUMBER_CHOICES)
+        selected_option = '<option value="{pk}" selected="selected">{value}</option>'.format(pk=1, value='One')
+        selected_option2 = '<option value="{pk}" selected="selected">{value}</option>'.format(pk=2, value='Two')
+
+        assert selected_option in widget_output, widget_output
+        assert selected_option2 in widget_output
+
+
+class TestModelSelect2Mixin(TestHeavySelect2Mixin):
+    form = forms.AlbumModelSelect2WidgetForm(initial={'primary_genre': 1})
+
+    @pytest.fixture(autouse=True)
+    def genres(self, db):
+        return mommy.make(Genre, 100)
+
+    def test_selected_option(self, db, genres):
+        genre = genres[0]
+        genre2 = genres[1]
+        not_required_field = self.form.fields['primary_genre']
+        assert not_required_field.required is False
+        widget_output = not_required_field.widget.render(
+            'primary_genre', genre.pk)
+        selected_option = '<option value="{pk}" selected="selected">{value}</option>'.format(
+            pk=genre.pk, value=force_text(genre))
+        unselected_option = '<option value="{pk}">{value}</option>'.format(
+            pk=genre2.pk, value=force_text(genre2))
+
+        assert selected_option in widget_output, widget_output
+        assert unselected_option not in widget_output
+
+    def test_get_queryset(self):
+        widget = ModelSelect2Widget()
+        with pytest.raises(NotImplementedError):
+            widget.get_queryset()
+        widget.model = Genre
+        assert isinstance(widget.get_queryset(), QuerySet)
+        widget.model = None
+        widget.queryset = Genre.objects.all()
+        assert isinstance(widget.get_queryset(), QuerySet)
+
+    def test_get_search_fields(self):
+        widget = ModelSelect2Widget()
+        with pytest.raises(NotImplementedError):
+            widget.get_search_fields()
+
+        widget.search_fields = ['title__icontains']
+        assert isinstance(widget.get_search_fields(), collections.Iterable)
+        assert all(isinstance(x, text_type) for x in widget.get_search_fields())
+
+    def test_model_kwarg(self):
+        widget = ModelSelect2Widget(model=Genre, search_fields=['title__icontains'])
+        genre = Genre.objects.last()
+        result = widget.filter_queryset(genre.title)
+        assert result.exists()
+
+    def test_queryset_kwarg(self):
+        widget = ModelSelect2Widget(queryset=Genre.objects, search_fields=['title__icontains'])
+        genre = Genre.objects.last()
+        result = widget.filter_queryset(genre.title)
+        assert result.exists()
+
+    def test_ajax_view_registration(self, client):
+        widget = ModelSelect2Widget(queryset=Genre.objects, search_fields=['title__icontains'])
+        widget.render('name', 'value')
+        url = reverse('django_select2-json')
+        genre = Genre.objects.last()
+        response = client.get(url, data=dict(field_id=signing.dumps(id(widget)), term=genre.title))
+        assert response.status_code == 200, response.content
+        data = json.loads(response.content.decode('utf-8'))
+        assert data['results']
+        assert genre.pk in [result['id'] for result in data['results']]
+
+    def test_render(self):
+        widget = ModelSelect2Widget()
+        widget.render('name', 'value')
+        cached_widget = cache.get(widget._get_cache_key())
+        assert isinstance(cached_widget, ModelSelect2Widget)
+
+
+class TestHeavySelect2TagWidget(TestHeavySelect2Mixin):
+
+    def test_tag_attrs(self):
+        widget = ModelSelect2TagWidget(queryset=Genre.objects, search_fields=['title__icontains'])
+        output = widget.render('name', 'value')
+        assert 'data-minimum-input-length="1"' in output
+        assert 'data-tags="true"' in output
+        assert 'data-token-separators' in output

tests/test_views.py

@@ -0,0 +1,43 @@
+# -*- coding: utf-8 -*-
+from __future__ import absolute_import, unicode_literals
+
+import json
+
+from django.core import signing
+from django.core.urlresolvers import reverse
+from django.utils.encoding import smart_text
+
+from tests.testapp.forms import AlbumModelSelect2WidgetForm
+
+
+class TestAutoResponseView(object):
+    def test_get(self, client, artists):
+        artist = artists[0]
+        form = AlbumModelSelect2WidgetForm()
+        assert form.as_p()
+        field_id = signing.dumps(id(form.fields['artist'].widget))
+        url = reverse('django_select2-json')
+        response = client.get(url, {'field_id': field_id, 'term': artist.title})
+        assert response.status_code == 200
+        data = json.loads(response.content.decode('utf-8'))
+        assert data['results']
+        assert {'id': artist.pk, 'text': smart_text(artist)} in data['results']
+
+    def test_no_field_id(self, client, artists):
+        artist = artists[0]
+        url = reverse('django_select2-json')
+        response = client.get(url, {'term': artist.title})
+        assert response.status_code == 404
+
+    def test_wrong_field_id(self, client, artists):
+        artist = artists[0]
+        url = reverse('django_select2-json')
+        response = client.get(url, {'field_id': 123, 'term': artist.title})
+        assert response.status_code == 404
+
+    def test_field_id_not_found(self, client, artists):
+        artist = artists[0]
+        field_id = signing.dumps(123456789)
+        url = reverse('django_select2-json')
+        response = client.get(url, {'field_id': field_id, 'term': artist.title})
+        assert response.status_code == 404

tests/test_widgets.py

@@ -1,137 +0,0 @@
-# -*- coding:utf-8 -*-
-from __future__ import print_function, unicode_literals
-
-import json
-from collections import Iterable
-
-import pytest
-from django.core import signing
-from django.core.urlresolvers import reverse
-from django.db.models import QuerySet
-from model_mommy import mommy
-from selenium.common.exceptions import NoSuchElementException
-from six import text_type
-
-from django_select2.cache import cache
-from django_select2.forms import ModelSelect2Widget
-from tests.testapp.models import Genre
-
-
-class TestWidgets(object):
-    url = ""
-
-    def test_is_hidden_multiple(self):
-        from django_select2.forms import HeavySelect2MultipleWidget
-        new_widget = HeavySelect2MultipleWidget(data_url="/")
-        assert new_widget.is_hidden is False
-
-    def test_is_hidden(self):
-        from django_select2.forms import HeavySelect2Widget
-        new_widget = HeavySelect2Widget(data_url="/")
-        assert new_widget.is_hidden is False
-
-
-class TestSelect2Widget(object):
-    url = reverse('select2_widget')
-
-    def test_selecting(self, db, client, live_server, driver):
-        driver.get(live_server + self.url)
-        dropdown = driver.find_element_by_css_selector('.select2-results')
-        assert dropdown.is_displayed() is False
-        elem = driver.find_element_by_css_selector('.select2-choice')
-        elem.click()
-        assert dropdown.is_displayed() is True
-        with pytest.raises(NoSuchElementException):
-            error = driver.find_element_by_xpath('//body[@JSError]')
-            pytest.fail(error.get_attribute('JSError'))
-
-
-class TestHeavySelect2Widget(object):
-    url = reverse('heavy_select2_widget')
-
-    def test_heavy_select(self, db, client, live_server, driver):
-        driver.get(live_server + self.url)
-        dropdown = driver.find_element_by_css_selector('.select2-results')
-        assert dropdown.is_displayed() is False
-        elem = driver.find_element_by_css_selector('.select2-choice')
-        elem.click()
-        assert dropdown.is_displayed() is True
-        with pytest.raises(NoSuchElementException):
-            error = driver.find_element_by_xpath('//body[@JSError]')
-            pytest.fail(error.get_attribute('JSError'))
-
-
-class TestHeavySelect2MultipleWidget(object):
-    url = reverse('heavy_select2_multiple_widget')
-
-    def test_heavy_select_multiple(self, db, client, live_server, driver):
-        driver.get(live_server + self.url)
-        dropdown = driver.find_element_by_css_selector('.select2-results')
-        assert dropdown.is_displayed() is False
-        elem = driver.find_element_by_css_selector('.select2-choices')
-        elem.click()
-        assert dropdown.is_displayed() is True
-        with pytest.raises(NoSuchElementException):
-            error = driver.find_element_by_xpath('//body[@JSError]')
-            pytest.fail(error.get_attribute('JSError'))
-
-
-class TestHeavySelect2Mixin(object):
-    @pytest.fixture(autouse=True)
-    def genres(self, db):
-        mommy.make(Genre, 100)
-
-    def test_get_queryset(self):
-        widget = ModelSelect2Widget()
-        with pytest.raises(NotImplementedError):
-            widget.get_queryset()
-        widget.model = Genre
-        assert isinstance(widget.get_queryset(), QuerySet)
-        widget.model = None
-        widget.queryset = Genre.objects.all()
-        assert isinstance(widget.get_queryset(), QuerySet)
-
-    def test_get_search_fields(self):
-        widget = ModelSelect2Widget()
-        with pytest.raises(NotImplementedError):
-            widget.get_search_fields()
-
-        widget.search_fields = ['title__icontains']
-        assert isinstance(widget.get_search_fields(), Iterable)
-        assert all(isinstance(x, text_type) for x in widget.get_search_fields())
-
-    def test_model_kwarg(self):
-        widget = ModelSelect2Widget(model=Genre, search_fields=['title__icontains'])
-        genre = Genre.objects.last()
-        result = widget.filter_queryset(genre.title)
-        assert result.exists()
-
-    def test_queryset_kwarg(self):
-        widget = ModelSelect2Widget(queryset=Genre.objects, search_fields=['title__icontains'])
-        genre = Genre.objects.last()
-        result = widget.filter_queryset(genre.title)
-        assert result.exists()
-
-    def test_widget_id(self):
-        widget = ModelSelect2Widget()
-        widget.render('name', 'value')
-        assert widget.widget_id
-        assert signing.loads(widget.widget_id) == id(widget)
-
-    def test_render(self):
-        widget = ModelSelect2Widget()
-        widget.render('name', 'value')
-        cached_widget = cache.get(widget._get_cache_key())
-        assert isinstance(cached_widget, ModelSelect2Widget)
-        assert cached_widget.widget_id == widget.widget_id
-
-    def test_ajax_view_registration(self, client):
-        widget = ModelSelect2Widget(queryset=Genre.objects, search_fields=['title__icontains'])
-        widget.render('name', 'value')
-        url = reverse('django_select2_central_json')
-        genre = Genre.objects.last()
-        response = client.get(url, data=dict(field_id=widget.widget_id, term=genre.title))
-        assert response.status_code == 200, response.content
-        data = json.loads(response.content.decode('utf-8'))
-        assert data['results']
-        assert genre.pk in [result['id'] for result in data['results']]

tests/testapp/forms.py

@@ -4,76 +4,137 @@ from __future__ import absolute_import, unicode_literals
 from django import forms
 
 from django_select2.forms import (
-    HeavySelect2MultipleWidget, HeavySelect2Widget, Select2MultipleWidget,
-    Select2Widget,
-    ModelSelect2MultipleWidget, ModelSelect2Widget)
+    HeavySelect2MultipleWidget, HeavySelect2Widget, ModelSelect2MultipleWidget,
+    ModelSelect2TagWidget, ModelSelect2Widget, Select2MultipleWidget,
+    Select2Widget
+)
 from tests.testapp import models
+from tests.testapp.models import Album
 
 
-class GenreModelForm(forms.ModelForm):
+class TitleSearchFieldMixin(object):
+    search_fields = [
+        'title__icontains'
+    ]
+
+
+class TitleModelSelect2Widget(TitleSearchFieldMixin, ModelSelect2Widget):
+    pass
+
+
+class TitleModelSelect2MultipleWidget(TitleSearchFieldMixin, ModelSelect2MultipleWidget):
+    pass
+
+
+class GenreSelect2TagWidget(TitleSearchFieldMixin, ModelSelect2TagWidget):
+    model = models.Genre
+
+    def create_value(self, value):
+        self.get_queryset().create(title=value)
+
+
+class AlbumSelect2WidgetForm(forms.ModelForm):
     class Meta:
-        model = models.Genre
+        model = models.Album
         fields = (
-            'title',
-        )
-
-
-class GenreForm(forms.Form):
-    title = forms.CharField(max_length=50)
-
-
-class ArtistModelForm(forms.ModelForm):
-    test = forms.BooleanField('asdf')
-
-    class Meta:
-        model = models.Artist
-        fields = (
-            'title',
-            'genres',
+            'artist',
+            'primary_genre',
         )
         widgets = {
-            'genres': Select2MultipleWidget
+            'artist': Select2Widget,
+            'primary_genre': Select2Widget,
+
         }
 
 
-class ArtistForm(forms.Form):
+class AlbumSelect2MultipleWidgetForm(forms.ModelForm):
+    class Meta:
+        model = models.Album
+        fields = (
+            'genres',
+            'featured_artists',
+        )
+        widgets = {
+            'genres': Select2MultipleWidget,
+            'featured_artists': Select2MultipleWidget,
+        }
+
+
+class AlbumModelSelect2WidgetForm(forms.ModelForm):
+    class Meta:
+        model = models.Album
+        fields = (
+            'artist',
+            'primary_genre',
+        )
+        widgets = {
+            'artist': ModelSelect2Widget(
+                model=models.Artist,
+                search_fields=['title__icontains']
+            ),
+            'primary_genre': ModelSelect2Widget(
+                model=models.Genre,
+                search_fields=['title__icontains']
+            ),
+        }
+
+
+class AlbumModelSelect2MultipleWidgetRequiredForm(forms.ModelForm):
+    class Meta:
+        model = Album
+        fields = (
+            'genres',
+            'featured_artists',
+        )
+        widgets = {
+            'genres': TitleModelSelect2MultipleWidget,
+            'featured_artists': TitleModelSelect2MultipleWidget,
+        }
+
+
+class ArtistModelSelect2MultipleWidgetForm(forms.Form):
     title = forms.CharField(max_length=50)
     genres = forms.ModelMultipleChoiceField(widget=ModelSelect2MultipleWidget(
         queryset=models.Genre.objects.all(),
         search_fields=['title__icontains'],
-    ), queryset=models.Genre.objects.all())
+    ), queryset=models.Genre.objects.all(), required=False)
 
-
-class AlbumModelForm(forms.ModelForm):
-    class Meta:
-        model = models.Album
-        fields = (
-            'title',
-            'artist',
-        )
-
-
-class AlbumForm(forms.Form):
-    title = forms.CharField(max_length=255)
-    artist = forms.ModelChoiceField(widget=ModelSelect2Widget(
-        model=models.Artist,
-        search_fields=['title__icontains']
-    ), queryset=models.Artist.objects.all())
+NUMBER_CHOICES = [
+    (1, 'One'),
+    (2, 'Two'),
+    (3, 'Three'),
+    (4, 'Four'),
+]
 
 
 class Select2WidgetForm(forms.Form):
-    NUMBER_CHOICES = [
-        (1, 'One'),
-        (2, 'Two'),
-        (3, 'Three'),
-        (4, 'Four'),
-    ]
-    number = forms.ChoiceField(widget=Select2Widget(), choices=NUMBER_CHOICES)
+    number = forms.ChoiceField(widget=Select2Widget, choices=NUMBER_CHOICES, required=False)
 
 
 class HeavySelect2WidgetForm(forms.Form):
-    heavy_number = forms.ChoiceField(widget=HeavySelect2Widget(data_view='heavy_data'))
+    artist = forms.ChoiceField(
+        widget=HeavySelect2Widget(data_view='heavy_data', choices=NUMBER_CHOICES)
+    )
+    primary_genre = forms.ChoiceField(
+        widget=HeavySelect2Widget(data_view='heavy_data', choices=NUMBER_CHOICES),
+        required=False
+    )
 
 
 class HeavySelect2MultipleWidgetForm(forms.Form):
-    heavy_number = forms.MultipleChoiceField(widget=HeavySelect2MultipleWidget(data_view='heavy_data'))
+    genres = forms.MultipleChoiceField(
+        widget=HeavySelect2MultipleWidget(data_view='heavy_data', choices=NUMBER_CHOICES)
+    )
+    featured_artists = forms.MultipleChoiceField(
+        widget=HeavySelect2MultipleWidget(data_view='heavy_data', choices=NUMBER_CHOICES),
+        required=False
+    )
+
+
+class ModelSelect2TagWidgetForm(forms.ModelForm):
+    class Meta:
+        model = Album
+        fields = ['genres']
+        widgets = {
+            'genres': GenreSelect2TagWidget
+        }

tests/testapp/models.py

@@ -26,17 +26,9 @@ class Artist(models.Model):
 class Album(models.Model):
     title = models.CharField(max_length=255)
     artist = models.ForeignKey(Artist)
-
-    def __str__(self):
-        return self.title
-
-
-@python_2_unicode_compatible
-class Song(models.Model):
-    title = models.CharField(max_length=255)
-    album = models.ForeignKey(Album, blank=True, null=True)
-    artist = models.ForeignKey(Artist)
-    genres = models.ManyToManyField(Genre, blank=True, null=True)
+    featured_artists = models.ManyToManyField(Artist, blank=True, related_name='featured_album_set')
+    primary_genre = models.ForeignKey(Genre, blank=True, null=True, related_name='primary_album_set')
+    genres = models.ManyToManyField(Genre)
 
     def __str__(self):
         return self.title

tests/testapp/settings.py

@@ -6,7 +6,7 @@ DEBUG = True
 DATABASES = {
     'default': {
         'ENGINE': 'django.db.backends.sqlite3',
-        'NAME': 'testdb.sqlite',
+        'NAME': ':memory:',
     }
 }
 
@@ -48,5 +48,3 @@ if os.environ.get('TRAVIS'):
             'LOCATION': 'localhost:11211',
         }
     }
-
-SELECT2_BOOTSTRAP = True

tests/testapp/templates/form.html

@@ -3,7 +3,11 @@
 <html>
 <head>
   {{ form.media.css }}
-  <style type="text/css">select{width:200px}</style>
+  <style type="text/css">
+    select {
+      width: 200px;
+    }
+  </style>
 </head>
 <body>
 <form method="post" action="">
@@ -11,7 +15,7 @@
   {{ form }}
   <input type="submit" value="Submit Form"/>
 </form>
-<script src="{% static 'jquery-2.1.4.min.js' %}"></script>
+<script src="{% static '//code.jquery.com/jquery-2.1.4.min.js' %}"></script>
 <script type="text/javascript">
   window.onerror = function (msg) {
     $("body").attr("JSError", msg);

tests/testapp/urls.py

@@ -4,8 +4,8 @@ from __future__ import absolute_import, unicode_literals
 from django.conf.urls import include, patterns, url
 
 from .forms import (
-    ArtistForm, HeavySelect2MultipleWidgetForm, HeavySelect2WidgetForm,
-    Select2WidgetForm
+    AlbumModelSelect2WidgetForm, HeavySelect2MultipleWidgetForm,
+    HeavySelect2WidgetForm, ModelSelect2TagWidgetForm, Select2WidgetForm
 )
 from .views import TemplateFormView, heavy_data
 
@@ -16,11 +16,18 @@ urlpatterns = patterns(
     url(r'^heavy_select2_widget/$',
         TemplateFormView.as_view(form_class=HeavySelect2WidgetForm), name='heavy_select2_widget'),
     url(r'^heavy_select2_multiple_widget/$',
-        TemplateFormView.as_view(form_class=HeavySelect2MultipleWidgetForm), name='heavy_select2_multiple_widget'),
-    url(r'^single_value_model_field/$',
-        TemplateFormView.as_view(form_class=ArtistForm), name='single_value_model_field'),
-    url(r'^heavy_data/$',
-        heavy_data, name='heavy_data'),
+        TemplateFormView.as_view(form_class=HeavySelect2MultipleWidgetForm),
+        name='heavy_select2_multiple_widget'),
+
+    url(r'^model_select2_widget/$',
+        TemplateFormView.as_view(form_class=AlbumModelSelect2WidgetForm),
+        name='model_select2_widget'),
+
+    url(r'^model_select2_tag_widget/$',
+        TemplateFormView.as_view(form_class=ModelSelect2TagWidgetForm),
+        name='model_select2_tag_widget'),
+
+    url(r'^heavy_data/$', heavy_data, name='heavy_data'),
 
     url(r'^select2/', include('django_select2.urls')),
 )