django/tests/modeladmin/tests.py

941 lines
34 KiB
Python

from datetime import date
from django import forms
from django.contrib.admin.models import ADDITION, CHANGE, DELETION, LogEntry
from django.contrib.admin.options import (
HORIZONTAL,
VERTICAL,
ModelAdmin,
TabularInline,
get_content_type_for_model,
)
from django.contrib.admin.sites import AdminSite
from django.contrib.admin.widgets import (
AdminDateWidget,
AdminRadioSelect,
AutocompleteSelect,
AutocompleteSelectMultiple,
)
from django.contrib.auth.models import User
from django.db import models
from django.forms.widgets import Select
from django.test import SimpleTestCase, TestCase
from django.test.utils import isolate_apps
from .models import Band, Concert, Song
class MockRequest:
pass
class MockSuperUser:
def has_perm(self, perm, obj=None):
return True
request = MockRequest()
request.user = MockSuperUser()
class ModelAdminTests(TestCase):
@classmethod
def setUpTestData(cls):
cls.band = Band.objects.create(
name="The Doors",
bio="",
sign_date=date(1965, 1, 1),
)
def setUp(self):
self.site = AdminSite()
def test_modeladmin_str(self):
ma = ModelAdmin(Band, self.site)
self.assertEqual(str(ma), "modeladmin.ModelAdmin")
def test_default_attributes(self):
ma = ModelAdmin(Band, self.site)
self.assertEqual(ma.actions, ())
self.assertEqual(ma.inlines, ())
# form/fields/fieldsets interaction ##############################
def test_default_fields(self):
ma = ModelAdmin(Band, self.site)
self.assertEqual(
list(ma.get_form(request).base_fields), ["name", "bio", "sign_date"]
)
self.assertEqual(list(ma.get_fields(request)), ["name", "bio", "sign_date"])
self.assertEqual(
list(ma.get_fields(request, self.band)), ["name", "bio", "sign_date"]
)
self.assertIsNone(ma.get_exclude(request, self.band))
def test_default_fieldsets(self):
# fieldsets_add and fieldsets_change should return a special data structure that
# is used in the templates. They should generate the "right thing" whether we
# have specified a custom form, the fields argument, or nothing at all.
#
# Here's the default case. There are no custom form_add/form_change methods,
# no fields argument, and no fieldsets argument.
ma = ModelAdmin(Band, self.site)
self.assertEqual(
ma.get_fieldsets(request),
[(None, {"fields": ["name", "bio", "sign_date"]})],
)
self.assertEqual(
ma.get_fieldsets(request, self.band),
[(None, {"fields": ["name", "bio", "sign_date"]})],
)
def test_get_fieldsets(self):
# get_fieldsets() is called when figuring out form fields (#18681).
class BandAdmin(ModelAdmin):
def get_fieldsets(self, request, obj=None):
return [(None, {"fields": ["name", "bio"]})]
ma = BandAdmin(Band, self.site)
form = ma.get_form(None)
self.assertEqual(form._meta.fields, ["name", "bio"])
class InlineBandAdmin(TabularInline):
model = Concert
fk_name = "main_band"
can_delete = False
def get_fieldsets(self, request, obj=None):
return [(None, {"fields": ["day", "transport"]})]
ma = InlineBandAdmin(Band, self.site)
form = ma.get_formset(None).form
self.assertEqual(form._meta.fields, ["day", "transport"])
def test_lookup_allowed_allows_nonexistent_lookup(self):
"""
A lookup_allowed allows a parameter whose field lookup doesn't exist.
(#21129).
"""
class BandAdmin(ModelAdmin):
fields = ["name"]
ma = BandAdmin(Band, self.site)
self.assertTrue(ma.lookup_allowed("name__nonexistent", "test_value"))
@isolate_apps("modeladmin")
def test_lookup_allowed_onetoone(self):
class Department(models.Model):
code = models.CharField(max_length=4, unique=True)
class Employee(models.Model):
department = models.ForeignKey(Department, models.CASCADE, to_field="code")
class EmployeeProfile(models.Model):
employee = models.OneToOneField(Employee, models.CASCADE)
class EmployeeInfo(models.Model):
employee = models.OneToOneField(Employee, models.CASCADE)
description = models.CharField(max_length=100)
class EmployeeProfileAdmin(ModelAdmin):
list_filter = [
"employee__employeeinfo__description",
"employee__department__code",
]
ma = EmployeeProfileAdmin(EmployeeProfile, self.site)
# Reverse OneToOneField
self.assertIs(
ma.lookup_allowed("employee__employeeinfo__description", "test_value"), True
)
# OneToOneField and ForeignKey
self.assertIs(
ma.lookup_allowed("employee__department__code", "test_value"), True
)
def test_field_arguments(self):
# If fields is specified, fieldsets_add and fieldsets_change should
# just stick the fields into a formsets structure and return it.
class BandAdmin(ModelAdmin):
fields = ["name"]
ma = BandAdmin(Band, self.site)
self.assertEqual(list(ma.get_fields(request)), ["name"])
self.assertEqual(list(ma.get_fields(request, self.band)), ["name"])
self.assertEqual(ma.get_fieldsets(request), [(None, {"fields": ["name"]})])
self.assertEqual(
ma.get_fieldsets(request, self.band), [(None, {"fields": ["name"]})]
)
def test_field_arguments_restricted_on_form(self):
# If fields or fieldsets is specified, it should exclude fields on the
# Form class to the fields specified. This may cause errors to be
# raised in the db layer if required model fields aren't in fields/
# fieldsets, but that's preferable to ghost errors where a field in the
# Form class isn't being displayed because it's not in fields/fieldsets.
# Using `fields`.
class BandAdmin(ModelAdmin):
fields = ["name"]
ma = BandAdmin(Band, self.site)
self.assertEqual(list(ma.get_form(request).base_fields), ["name"])
self.assertEqual(list(ma.get_form(request, self.band).base_fields), ["name"])
# Using `fieldsets`.
class BandAdmin(ModelAdmin):
fieldsets = [(None, {"fields": ["name"]})]
ma = BandAdmin(Band, self.site)
self.assertEqual(list(ma.get_form(request).base_fields), ["name"])
self.assertEqual(list(ma.get_form(request, self.band).base_fields), ["name"])
# Using `exclude`.
class BandAdmin(ModelAdmin):
exclude = ["bio"]
ma = BandAdmin(Band, self.site)
self.assertEqual(list(ma.get_form(request).base_fields), ["name", "sign_date"])
# You can also pass a tuple to `exclude`.
class BandAdmin(ModelAdmin):
exclude = ("bio",)
ma = BandAdmin(Band, self.site)
self.assertEqual(list(ma.get_form(request).base_fields), ["name", "sign_date"])
# Using `fields` and `exclude`.
class BandAdmin(ModelAdmin):
fields = ["name", "bio"]
exclude = ["bio"]
ma = BandAdmin(Band, self.site)
self.assertEqual(list(ma.get_form(request).base_fields), ["name"])
def test_custom_form_meta_exclude_with_readonly(self):
"""
The custom ModelForm's `Meta.exclude` is respected when used in
conjunction with `ModelAdmin.readonly_fields` and when no
`ModelAdmin.exclude` is defined (#14496).
"""
# With ModelAdmin
class AdminBandForm(forms.ModelForm):
class Meta:
model = Band
exclude = ["bio"]
class BandAdmin(ModelAdmin):
readonly_fields = ["name"]
form = AdminBandForm
ma = BandAdmin(Band, self.site)
self.assertEqual(list(ma.get_form(request).base_fields), ["sign_date"])
# With InlineModelAdmin
class AdminConcertForm(forms.ModelForm):
class Meta:
model = Concert
exclude = ["day"]
class ConcertInline(TabularInline):
readonly_fields = ["transport"]
form = AdminConcertForm
fk_name = "main_band"
model = Concert
class BandAdmin(ModelAdmin):
inlines = [ConcertInline]
ma = BandAdmin(Band, self.site)
self.assertEqual(
list(list(ma.get_formsets_with_inlines(request))[0][0]().forms[0].fields),
["main_band", "opening_band", "id", "DELETE"],
)
def test_custom_formfield_override_readonly(self):
class AdminBandForm(forms.ModelForm):
name = forms.CharField()
class Meta:
exclude = ()
model = Band
class BandAdmin(ModelAdmin):
form = AdminBandForm
readonly_fields = ["name"]
ma = BandAdmin(Band, self.site)
# `name` shouldn't appear in base_fields because it's part of
# readonly_fields.
self.assertEqual(list(ma.get_form(request).base_fields), ["bio", "sign_date"])
# But it should appear in get_fields()/fieldsets() so it can be
# displayed as read-only.
self.assertEqual(list(ma.get_fields(request)), ["bio", "sign_date", "name"])
self.assertEqual(
list(ma.get_fieldsets(request)),
[(None, {"fields": ["bio", "sign_date", "name"]})],
)
def test_custom_form_meta_exclude(self):
"""
The custom ModelForm's `Meta.exclude` is overridden if
`ModelAdmin.exclude` or `InlineModelAdmin.exclude` are defined (#14496).
"""
# With ModelAdmin
class AdminBandForm(forms.ModelForm):
class Meta:
model = Band
exclude = ["bio"]
class BandAdmin(ModelAdmin):
exclude = ["name"]
form = AdminBandForm
ma = BandAdmin(Band, self.site)
self.assertEqual(list(ma.get_form(request).base_fields), ["bio", "sign_date"])
# With InlineModelAdmin
class AdminConcertForm(forms.ModelForm):
class Meta:
model = Concert
exclude = ["day"]
class ConcertInline(TabularInline):
exclude = ["transport"]
form = AdminConcertForm
fk_name = "main_band"
model = Concert
class BandAdmin(ModelAdmin):
inlines = [ConcertInline]
ma = BandAdmin(Band, self.site)
self.assertEqual(
list(list(ma.get_formsets_with_inlines(request))[0][0]().forms[0].fields),
["main_band", "opening_band", "day", "id", "DELETE"],
)
def test_overriding_get_exclude(self):
class BandAdmin(ModelAdmin):
def get_exclude(self, request, obj=None):
return ["name"]
self.assertEqual(
list(BandAdmin(Band, self.site).get_form(request).base_fields),
["bio", "sign_date"],
)
def test_get_exclude_overrides_exclude(self):
class BandAdmin(ModelAdmin):
exclude = ["bio"]
def get_exclude(self, request, obj=None):
return ["name"]
self.assertEqual(
list(BandAdmin(Band, self.site).get_form(request).base_fields),
["bio", "sign_date"],
)
def test_get_exclude_takes_obj(self):
class BandAdmin(ModelAdmin):
def get_exclude(self, request, obj=None):
if obj:
return ["sign_date"]
return ["name"]
self.assertEqual(
list(BandAdmin(Band, self.site).get_form(request, self.band).base_fields),
["name", "bio"],
)
def test_custom_form_validation(self):
# If a form is specified, it should use it allowing custom validation
# to work properly. This won't break any of the admin widgets or media.
class AdminBandForm(forms.ModelForm):
delete = forms.BooleanField()
class BandAdmin(ModelAdmin):
form = AdminBandForm
ma = BandAdmin(Band, self.site)
self.assertEqual(
list(ma.get_form(request).base_fields),
["name", "bio", "sign_date", "delete"],
)
self.assertEqual(
type(ma.get_form(request).base_fields["sign_date"].widget), AdminDateWidget
)
def test_form_exclude_kwarg_override(self):
"""
The `exclude` kwarg passed to `ModelAdmin.get_form()` overrides all
other declarations (#8999).
"""
class AdminBandForm(forms.ModelForm):
class Meta:
model = Band
exclude = ["name"]
class BandAdmin(ModelAdmin):
exclude = ["sign_date"]
form = AdminBandForm
def get_form(self, request, obj=None, **kwargs):
kwargs["exclude"] = ["bio"]
return super().get_form(request, obj, **kwargs)
ma = BandAdmin(Band, self.site)
self.assertEqual(list(ma.get_form(request).base_fields), ["name", "sign_date"])
def test_formset_exclude_kwarg_override(self):
"""
The `exclude` kwarg passed to `InlineModelAdmin.get_formset()`
overrides all other declarations (#8999).
"""
class AdminConcertForm(forms.ModelForm):
class Meta:
model = Concert
exclude = ["day"]
class ConcertInline(TabularInline):
exclude = ["transport"]
form = AdminConcertForm
fk_name = "main_band"
model = Concert
def get_formset(self, request, obj=None, **kwargs):
kwargs["exclude"] = ["opening_band"]
return super().get_formset(request, obj, **kwargs)
class BandAdmin(ModelAdmin):
inlines = [ConcertInline]
ma = BandAdmin(Band, self.site)
self.assertEqual(
list(list(ma.get_formsets_with_inlines(request))[0][0]().forms[0].fields),
["main_band", "day", "transport", "id", "DELETE"],
)
def test_formset_overriding_get_exclude_with_form_fields(self):
class AdminConcertForm(forms.ModelForm):
class Meta:
model = Concert
fields = ["main_band", "opening_band", "day", "transport"]
class ConcertInline(TabularInline):
form = AdminConcertForm
fk_name = "main_band"
model = Concert
def get_exclude(self, request, obj=None):
return ["opening_band"]
class BandAdmin(ModelAdmin):
inlines = [ConcertInline]
ma = BandAdmin(Band, self.site)
self.assertEqual(
list(list(ma.get_formsets_with_inlines(request))[0][0]().forms[0].fields),
["main_band", "day", "transport", "id", "DELETE"],
)
def test_formset_overriding_get_exclude_with_form_exclude(self):
class AdminConcertForm(forms.ModelForm):
class Meta:
model = Concert
exclude = ["day"]
class ConcertInline(TabularInline):
form = AdminConcertForm
fk_name = "main_band"
model = Concert
def get_exclude(self, request, obj=None):
return ["opening_band"]
class BandAdmin(ModelAdmin):
inlines = [ConcertInline]
ma = BandAdmin(Band, self.site)
self.assertEqual(
list(list(ma.get_formsets_with_inlines(request))[0][0]().forms[0].fields),
["main_band", "day", "transport", "id", "DELETE"],
)
def test_raw_id_fields_widget_override(self):
"""
The autocomplete_fields, raw_id_fields, and radio_fields widgets may
overridden by specifying a widget in get_formset().
"""
class ConcertInline(TabularInline):
model = Concert
fk_name = "main_band"
raw_id_fields = ("opening_band",)
def get_formset(self, request, obj=None, **kwargs):
kwargs["widgets"] = {"opening_band": Select}
return super().get_formset(request, obj, **kwargs)
class BandAdmin(ModelAdmin):
inlines = [ConcertInline]
ma = BandAdmin(Band, self.site)
band_widget = (
list(ma.get_formsets_with_inlines(request))[0][0]()
.forms[0]
.fields["opening_band"]
.widget
)
# Without the override this would be ForeignKeyRawIdWidget.
self.assertIsInstance(band_widget, Select)
def test_queryset_override(self):
# If the queryset of a ModelChoiceField in a custom form is overridden,
# RelatedFieldWidgetWrapper doesn't mess that up.
band2 = Band.objects.create(
name="The Beatles", bio="", sign_date=date(1962, 1, 1)
)
ma = ModelAdmin(Concert, self.site)
form = ma.get_form(request)()
self.assertHTMLEqual(
str(form["main_band"]),
'<div class="related-widget-wrapper" data-model-ref="band">'
'<select name="main_band" id="id_main_band" required>'
'<option value="" selected>---------</option>'
'<option value="%d">The Beatles</option>'
'<option value="%d">The Doors</option>'
"</select></div>" % (band2.id, self.band.id),
)
class AdminConcertForm(forms.ModelForm):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.fields["main_band"].queryset = Band.objects.filter(
name="The Doors"
)
class ConcertAdminWithForm(ModelAdmin):
form = AdminConcertForm
ma = ConcertAdminWithForm(Concert, self.site)
form = ma.get_form(request)()
self.assertHTMLEqual(
str(form["main_band"]),
'<div class="related-widget-wrapper" data-model-ref="band">'
'<select name="main_band" id="id_main_band" required>'
'<option value="" selected>---------</option>'
'<option value="%d">The Doors</option>'
"</select></div>" % self.band.id,
)
def test_regression_for_ticket_15820(self):
"""
`obj` is passed from `InlineModelAdmin.get_fieldsets()` to
`InlineModelAdmin.get_formset()`.
"""
class CustomConcertForm(forms.ModelForm):
class Meta:
model = Concert
fields = ["day"]
class ConcertInline(TabularInline):
model = Concert
fk_name = "main_band"
def get_formset(self, request, obj=None, **kwargs):
if obj:
kwargs["form"] = CustomConcertForm
return super().get_formset(request, obj, **kwargs)
class BandAdmin(ModelAdmin):
inlines = [ConcertInline]
Concert.objects.create(main_band=self.band, opening_band=self.band, day=1)
ma = BandAdmin(Band, self.site)
inline_instances = ma.get_inline_instances(request)
fieldsets = list(inline_instances[0].get_fieldsets(request))
self.assertEqual(
fieldsets[0][1]["fields"], ["main_band", "opening_band", "day", "transport"]
)
fieldsets = list(
inline_instances[0].get_fieldsets(request, inline_instances[0].model)
)
self.assertEqual(fieldsets[0][1]["fields"], ["day"])
# radio_fields behavior ###########################################
def test_default_foreign_key_widget(self):
# First, without any radio_fields specified, the widgets for ForeignKey
# and fields with choices specified ought to be a basic Select widget.
# ForeignKey widgets in the admin are wrapped with RelatedFieldWidgetWrapper so
# they need to be handled properly when type checking. For Select fields, all of
# the choices lists have a first entry of dashes.
cma = ModelAdmin(Concert, self.site)
cmafa = cma.get_form(request)
self.assertEqual(type(cmafa.base_fields["main_band"].widget.widget), Select)
self.assertEqual(
list(cmafa.base_fields["main_band"].widget.choices),
[("", "---------"), (self.band.id, "The Doors")],
)
self.assertEqual(type(cmafa.base_fields["opening_band"].widget.widget), Select)
self.assertEqual(
list(cmafa.base_fields["opening_band"].widget.choices),
[("", "---------"), (self.band.id, "The Doors")],
)
self.assertEqual(type(cmafa.base_fields["day"].widget), Select)
self.assertEqual(
list(cmafa.base_fields["day"].widget.choices),
[("", "---------"), (1, "Fri"), (2, "Sat")],
)
self.assertEqual(type(cmafa.base_fields["transport"].widget), Select)
self.assertEqual(
list(cmafa.base_fields["transport"].widget.choices),
[("", "---------"), (1, "Plane"), (2, "Train"), (3, "Bus")],
)
def test_foreign_key_as_radio_field(self):
# Now specify all the fields as radio_fields. Widgets should now be
# RadioSelect, and the choices list should have a first entry of 'None' if
# blank=True for the model field. Finally, the widget should have the
# 'radiolist' attr, and 'inline' as well if the field is specified HORIZONTAL.
class ConcertAdmin(ModelAdmin):
radio_fields = {
"main_band": HORIZONTAL,
"opening_band": VERTICAL,
"day": VERTICAL,
"transport": HORIZONTAL,
}
cma = ConcertAdmin(Concert, self.site)
cmafa = cma.get_form(request)
self.assertEqual(
type(cmafa.base_fields["main_band"].widget.widget), AdminRadioSelect
)
self.assertEqual(
cmafa.base_fields["main_band"].widget.attrs, {"class": "radiolist inline"}
)
self.assertEqual(
list(cmafa.base_fields["main_band"].widget.choices),
[(self.band.id, "The Doors")],
)
self.assertEqual(
type(cmafa.base_fields["opening_band"].widget.widget), AdminRadioSelect
)
self.assertEqual(
cmafa.base_fields["opening_band"].widget.attrs, {"class": "radiolist"}
)
self.assertEqual(
list(cmafa.base_fields["opening_band"].widget.choices),
[("", "None"), (self.band.id, "The Doors")],
)
self.assertEqual(type(cmafa.base_fields["day"].widget), AdminRadioSelect)
self.assertEqual(cmafa.base_fields["day"].widget.attrs, {"class": "radiolist"})
self.assertEqual(
list(cmafa.base_fields["day"].widget.choices), [(1, "Fri"), (2, "Sat")]
)
self.assertEqual(type(cmafa.base_fields["transport"].widget), AdminRadioSelect)
self.assertEqual(
cmafa.base_fields["transport"].widget.attrs, {"class": "radiolist inline"}
)
self.assertEqual(
list(cmafa.base_fields["transport"].widget.choices),
[("", "None"), (1, "Plane"), (2, "Train"), (3, "Bus")],
)
class AdminConcertForm(forms.ModelForm):
class Meta:
model = Concert
exclude = ("transport",)
class ConcertAdmin(ModelAdmin):
form = AdminConcertForm
ma = ConcertAdmin(Concert, self.site)
self.assertEqual(
list(ma.get_form(request).base_fields), ["main_band", "opening_band", "day"]
)
class AdminConcertForm(forms.ModelForm):
extra = forms.CharField()
class Meta:
model = Concert
fields = ["extra", "transport"]
class ConcertAdmin(ModelAdmin):
form = AdminConcertForm
ma = ConcertAdmin(Concert, self.site)
self.assertEqual(list(ma.get_form(request).base_fields), ["extra", "transport"])
class ConcertInline(TabularInline):
form = AdminConcertForm
model = Concert
fk_name = "main_band"
can_delete = True
class BandAdmin(ModelAdmin):
inlines = [ConcertInline]
ma = BandAdmin(Band, self.site)
self.assertEqual(
list(list(ma.get_formsets_with_inlines(request))[0][0]().forms[0].fields),
["extra", "transport", "id", "DELETE", "main_band"],
)
def test_log_actions(self):
ma = ModelAdmin(Band, self.site)
mock_request = MockRequest()
mock_request.user = User.objects.create(username="bill")
content_type = get_content_type_for_model(self.band)
tests = (
(ma.log_addition, ADDITION, {"added": {}}),
(ma.log_change, CHANGE, {"changed": {"fields": ["name", "bio"]}}),
(ma.log_deletion, DELETION, str(self.band)),
)
for method, flag, message in tests:
with self.subTest(name=method.__name__):
created = method(mock_request, self.band, message)
fetched = LogEntry.objects.filter(action_flag=flag).latest("id")
self.assertEqual(created, fetched)
self.assertEqual(fetched.action_flag, flag)
self.assertEqual(fetched.content_type, content_type)
self.assertEqual(fetched.object_id, str(self.band.pk))
self.assertEqual(fetched.user, mock_request.user)
if flag == DELETION:
self.assertEqual(fetched.change_message, "")
self.assertEqual(fetched.object_repr, message)
else:
self.assertEqual(fetched.change_message, str(message))
self.assertEqual(fetched.object_repr, str(self.band))
def test_get_autocomplete_fields(self):
class NameAdmin(ModelAdmin):
search_fields = ["name"]
class SongAdmin(ModelAdmin):
autocomplete_fields = ["featuring"]
fields = ["featuring", "band"]
class OtherSongAdmin(SongAdmin):
def get_autocomplete_fields(self, request):
return ["band"]
self.site.register(Band, NameAdmin)
try:
# Uses autocomplete_fields if not overridden.
model_admin = SongAdmin(Song, self.site)
form = model_admin.get_form(request)()
self.assertIsInstance(
form.fields["featuring"].widget.widget, AutocompleteSelectMultiple
)
# Uses overridden get_autocomplete_fields
model_admin = OtherSongAdmin(Song, self.site)
form = model_admin.get_form(request)()
self.assertIsInstance(form.fields["band"].widget.widget, AutocompleteSelect)
finally:
self.site.unregister(Band)
def test_get_deleted_objects(self):
mock_request = MockRequest()
mock_request.user = User.objects.create_superuser(
username="bob", email="bob@test.com", password="test"
)
self.site.register(Band, ModelAdmin)
ma = self.site._registry[Band]
(
deletable_objects,
model_count,
perms_needed,
protected,
) = ma.get_deleted_objects([self.band], request)
self.assertEqual(deletable_objects, ["Band: The Doors"])
self.assertEqual(model_count, {"bands": 1})
self.assertEqual(perms_needed, set())
self.assertEqual(protected, [])
def test_get_deleted_objects_with_custom_has_delete_permission(self):
"""
ModelAdmin.get_deleted_objects() uses ModelAdmin.has_delete_permission()
for permissions checking.
"""
mock_request = MockRequest()
mock_request.user = User.objects.create_superuser(
username="bob", email="bob@test.com", password="test"
)
class TestModelAdmin(ModelAdmin):
def has_delete_permission(self, request, obj=None):
return False
self.site.register(Band, TestModelAdmin)
ma = self.site._registry[Band]
(
deletable_objects,
model_count,
perms_needed,
protected,
) = ma.get_deleted_objects([self.band], request)
self.assertEqual(deletable_objects, ["Band: The Doors"])
self.assertEqual(model_count, {"bands": 1})
self.assertEqual(perms_needed, {"band"})
self.assertEqual(protected, [])
def test_modeladmin_repr(self):
ma = ModelAdmin(Band, self.site)
self.assertEqual(
repr(ma),
"<ModelAdmin: model=Band site=AdminSite(name='admin')>",
)
class ModelAdminPermissionTests(SimpleTestCase):
class MockUser:
def has_module_perms(self, app_label):
return app_label == "modeladmin"
class MockViewUser(MockUser):
def has_perm(self, perm, obj=None):
return perm == "modeladmin.view_band"
class MockAddUser(MockUser):
def has_perm(self, perm, obj=None):
return perm == "modeladmin.add_band"
class MockChangeUser(MockUser):
def has_perm(self, perm, obj=None):
return perm == "modeladmin.change_band"
class MockDeleteUser(MockUser):
def has_perm(self, perm, obj=None):
return perm == "modeladmin.delete_band"
def test_has_view_permission(self):
"""
has_view_permission() returns True for users who can view objects and
False for users who can't.
"""
ma = ModelAdmin(Band, AdminSite())
request = MockRequest()
request.user = self.MockViewUser()
self.assertIs(ma.has_view_permission(request), True)
request.user = self.MockAddUser()
self.assertIs(ma.has_view_permission(request), False)
request.user = self.MockChangeUser()
self.assertIs(ma.has_view_permission(request), True)
request.user = self.MockDeleteUser()
self.assertIs(ma.has_view_permission(request), False)
def test_has_add_permission(self):
"""
has_add_permission returns True for users who can add objects and
False for users who can't.
"""
ma = ModelAdmin(Band, AdminSite())
request = MockRequest()
request.user = self.MockViewUser()
self.assertFalse(ma.has_add_permission(request))
request.user = self.MockAddUser()
self.assertTrue(ma.has_add_permission(request))
request.user = self.MockChangeUser()
self.assertFalse(ma.has_add_permission(request))
request.user = self.MockDeleteUser()
self.assertFalse(ma.has_add_permission(request))
def test_inline_has_add_permission_uses_obj(self):
class ConcertInline(TabularInline):
model = Concert
def has_add_permission(self, request, obj):
return bool(obj)
class BandAdmin(ModelAdmin):
inlines = [ConcertInline]
ma = BandAdmin(Band, AdminSite())
request = MockRequest()
request.user = self.MockAddUser()
self.assertEqual(ma.get_inline_instances(request), [])
band = Band(name="The Doors", bio="", sign_date=date(1965, 1, 1))
inline_instances = ma.get_inline_instances(request, band)
self.assertEqual(len(inline_instances), 1)
self.assertIsInstance(inline_instances[0], ConcertInline)
def test_has_change_permission(self):
"""
has_change_permission returns True for users who can edit objects and
False for users who can't.
"""
ma = ModelAdmin(Band, AdminSite())
request = MockRequest()
request.user = self.MockViewUser()
self.assertIs(ma.has_change_permission(request), False)
request.user = self.MockAddUser()
self.assertFalse(ma.has_change_permission(request))
request.user = self.MockChangeUser()
self.assertTrue(ma.has_change_permission(request))
request.user = self.MockDeleteUser()
self.assertFalse(ma.has_change_permission(request))
def test_has_delete_permission(self):
"""
has_delete_permission returns True for users who can delete objects and
False for users who can't.
"""
ma = ModelAdmin(Band, AdminSite())
request = MockRequest()
request.user = self.MockViewUser()
self.assertIs(ma.has_delete_permission(request), False)
request.user = self.MockAddUser()
self.assertFalse(ma.has_delete_permission(request))
request.user = self.MockChangeUser()
self.assertFalse(ma.has_delete_permission(request))
request.user = self.MockDeleteUser()
self.assertTrue(ma.has_delete_permission(request))
def test_has_module_permission(self):
"""
as_module_permission returns True for users who have any permission
for the module and False for users who don't.
"""
ma = ModelAdmin(Band, AdminSite())
request = MockRequest()
request.user = self.MockViewUser()
self.assertIs(ma.has_module_permission(request), True)
request.user = self.MockAddUser()
self.assertTrue(ma.has_module_permission(request))
request.user = self.MockChangeUser()
self.assertTrue(ma.has_module_permission(request))
request.user = self.MockDeleteUser()
self.assertTrue(ma.has_module_permission(request))
original_app_label = ma.opts.app_label
ma.opts.app_label = "anotherapp"
try:
request.user = self.MockViewUser()
self.assertIs(ma.has_module_permission(request), False)
request.user = self.MockAddUser()
self.assertFalse(ma.has_module_permission(request))
request.user = self.MockChangeUser()
self.assertFalse(ma.has_module_permission(request))
request.user = self.MockDeleteUser()
self.assertFalse(ma.has_module_permission(request))
finally:
ma.opts.app_label = original_app_label