Adrian A. Baumann
23ede15938
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340 lines
12 KiB
Python
340 lines
12 KiB
Python
from django.contrib.admin.sites import AdminSite
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from django.core.files.uploadedfile import SimpleUploadedFile
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from django.db import IntegrityError
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from django.test import TestCase
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from .admin import BoxAdmin, BoxTypeAdmin, ThingAdmin, ThingTypeAdmin
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from .models import Box, BoxType, Thing, ThingType
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class BoxTypeModelTests(TestCase):
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"""Tests for the BoxType model."""
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def setUp(self):
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"""Set up test fixtures."""
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self.box_type = BoxType.objects.create(
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name='Small Box',
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width=100,
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height=50,
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length=150
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)
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def test_box_type_str_returns_name(self):
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"""BoxType __str__ should return the name."""
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self.assertEqual(str(self.box_type), 'Small Box')
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def test_box_type_creation(self):
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"""BoxType should be created with correct attributes."""
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self.assertEqual(self.box_type.name, 'Small Box')
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self.assertEqual(self.box_type.width, 100)
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self.assertEqual(self.box_type.height, 50)
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self.assertEqual(self.box_type.length, 150)
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def test_box_type_ordering(self):
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"""BoxTypes should be ordered by name."""
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BoxType.objects.create(name='Alpha Box', width=10, height=10, length=10)
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BoxType.objects.create(name='Zeta Box', width=20, height=20, length=20)
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box_types = list(BoxType.objects.values_list('name', flat=True))
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self.assertEqual(box_types, ['Alpha Box', 'Small Box', 'Zeta Box'])
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class BoxModelTests(TestCase):
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"""Tests for the Box model."""
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def setUp(self):
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"""Set up test fixtures."""
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self.box_type = BoxType.objects.create(
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name='Standard Box',
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width=200,
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height=100,
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length=300
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)
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self.box = Box.objects.create(
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id='BOX001',
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box_type=self.box_type
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)
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def test_box_str_returns_id(self):
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"""Box __str__ should return the box ID."""
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self.assertEqual(str(self.box), 'BOX001')
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def test_box_creation(self):
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"""Box should be created with correct attributes."""
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self.assertEqual(self.box.id, 'BOX001')
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self.assertEqual(self.box.box_type, self.box_type)
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def test_box_type_relationship(self):
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"""Box should be accessible from BoxType via related_name."""
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self.assertIn(self.box, self.box_type.boxes.all())
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def test_box_id_max_length(self):
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"""Box ID should accept up to 10 characters."""
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box = Box.objects.create(id='ABCD123456', box_type=self.box_type)
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self.assertEqual(len(box.id), 10)
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def test_box_type_protect_on_delete(self):
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"""Deleting a BoxType with boxes should raise IntegrityError."""
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with self.assertRaises(IntegrityError):
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self.box_type.delete()
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def test_box_type_delete_when_no_boxes(self):
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"""Deleting a BoxType without boxes should succeed."""
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empty_type = BoxType.objects.create(
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name='Empty Type',
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width=10,
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height=10,
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length=10
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)
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empty_type_id = empty_type.id
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empty_type.delete()
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self.assertFalse(BoxType.objects.filter(id=empty_type_id).exists())
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class BoxTypeAdminTests(TestCase):
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"""Tests for the BoxType admin configuration."""
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def setUp(self):
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"""Set up test fixtures."""
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self.site = AdminSite()
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self.admin = BoxTypeAdmin(BoxType, self.site)
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def test_list_display(self):
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"""BoxTypeAdmin should display correct fields."""
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self.assertEqual(
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self.admin.list_display,
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('name', 'width', 'height', 'length')
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)
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def test_search_fields(self):
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"""BoxTypeAdmin should search by name."""
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self.assertEqual(self.admin.search_fields, ('name',))
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class BoxAdminTests(TestCase):
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"""Tests for the Box admin configuration."""
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def setUp(self):
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"""Set up test fixtures."""
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self.site = AdminSite()
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self.admin = BoxAdmin(Box, self.site)
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def test_list_display(self):
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"""BoxAdmin should display correct fields."""
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self.assertEqual(self.admin.list_display, ('id', 'box_type'))
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def test_list_filter(self):
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"""BoxAdmin should filter by box_type."""
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self.assertEqual(self.admin.list_filter, ('box_type',))
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def test_search_fields(self):
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"""BoxAdmin should search by id."""
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self.assertEqual(self.admin.search_fields, ('id',))
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class ThingTypeModelTests(TestCase):
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"""Tests for the ThingType model."""
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def setUp(self):
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"""Set up test fixtures."""
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self.thing_type = ThingType.objects.create(name='Electronics')
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def test_thing_type_str_returns_name(self):
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"""ThingType __str__ should return the name."""
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self.assertEqual(str(self.thing_type), 'Electronics')
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def test_thing_type_creation(self):
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"""ThingType should be created with correct attributes."""
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self.assertEqual(self.thing_type.name, 'Electronics')
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def test_thing_type_hierarchy(self):
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"""ThingType should support parent-child relationships."""
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child = ThingType.objects.create(
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name='Resistors',
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parent=self.thing_type
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)
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self.assertEqual(child.parent, self.thing_type)
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self.assertIn(child, self.thing_type.children.all())
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def test_thing_type_is_leaf_node(self):
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"""ThingType without children should be a leaf node."""
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self.assertTrue(self.thing_type.is_leaf_node())
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def test_thing_type_is_not_leaf_with_children(self):
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"""ThingType with children should not be a leaf node."""
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ThingType.objects.create(name='Capacitors', parent=self.thing_type)
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self.assertFalse(self.thing_type.is_leaf_node())
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def test_thing_type_ancestors(self):
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"""ThingType should return correct ancestors."""
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child = ThingType.objects.create(
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name='Resistors',
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parent=self.thing_type
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)
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grandchild = ThingType.objects.create(
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name='10k Resistors',
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parent=child
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)
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ancestors = list(grandchild.get_ancestors())
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self.assertEqual(ancestors, [self.thing_type, child])
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def test_thing_type_descendants(self):
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"""ThingType should return correct descendants."""
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child = ThingType.objects.create(
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name='Resistors',
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parent=self.thing_type
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)
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grandchild = ThingType.objects.create(
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name='10k Resistors',
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parent=child
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)
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descendants = list(self.thing_type.get_descendants())
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self.assertEqual(descendants, [child, grandchild])
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def test_thing_type_level(self):
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"""ThingType should have correct level in hierarchy."""
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self.assertEqual(self.thing_type.level, 0)
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child = ThingType.objects.create(
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name='Resistors',
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parent=self.thing_type
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)
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self.assertEqual(child.level, 1)
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class ThingModelTests(TestCase):
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"""Tests for the Thing model."""
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def setUp(self):
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"""Set up test fixtures."""
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self.box_type = BoxType.objects.create(
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name='Standard Box',
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width=200,
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height=100,
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length=300
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)
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self.box = Box.objects.create(
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id='BOX001',
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box_type=self.box_type
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)
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self.thing_type = ThingType.objects.create(name='Electronics')
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self.thing = Thing.objects.create(
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name='Arduino Uno',
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thing_type=self.thing_type,
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box=self.box
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)
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def test_thing_str_returns_name(self):
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"""Thing __str__ should return the name."""
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self.assertEqual(str(self.thing), 'Arduino Uno')
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def test_thing_creation(self):
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"""Thing should be created with correct attributes."""
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self.assertEqual(self.thing.name, 'Arduino Uno')
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self.assertEqual(self.thing.thing_type, self.thing_type)
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self.assertEqual(self.thing.box, self.box)
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def test_thing_optional_description(self):
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"""Thing description should be optional."""
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self.assertEqual(self.thing.description, '')
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self.thing.description = 'A microcontroller board'
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self.thing.save()
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self.thing.refresh_from_db()
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self.assertEqual(self.thing.description, 'A microcontroller board')
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def test_thing_optional_picture(self):
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"""Thing picture should be optional."""
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self.assertEqual(self.thing.picture.name, '')
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def test_thing_with_picture(self):
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"""Thing should accept an image upload."""
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# Create a simple 1x1 pixel PNG
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image_data = (
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b'\x89PNG\r\n\x1a\n\x00\x00\x00\rIHDR\x00\x00\x00\x01'
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b'\x00\x00\x00\x01\x08\x02\x00\x00\x00\x90wS\xde\x00'
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b'\x00\x00\x0cIDATx\x9cc\xf8\x0f\x00\x00\x01\x01\x00'
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b'\x05\x18\xd8N\x00\x00\x00\x00IEND\xaeB`\x82'
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)
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image = SimpleUploadedFile(
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name='test.png',
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content=image_data,
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content_type='image/png'
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)
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thing = Thing.objects.create(
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name='Test Item',
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thing_type=self.thing_type,
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box=self.box,
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picture=image
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)
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self.assertTrue(thing.picture.name.startswith('things/'))
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# Clean up
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thing.picture.delete()
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def test_thing_ordering(self):
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"""Things should be ordered by name."""
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Thing.objects.create(
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name='Zeta Item',
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thing_type=self.thing_type,
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box=self.box
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)
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Thing.objects.create(
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name='Alpha Item',
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thing_type=self.thing_type,
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box=self.box
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)
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things = list(Thing.objects.values_list('name', flat=True))
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self.assertEqual(things, ['Alpha Item', 'Arduino Uno', 'Zeta Item'])
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def test_thing_type_relationship(self):
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"""Thing should be accessible from ThingType via related_name."""
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self.assertIn(self.thing, self.thing_type.things.all())
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def test_thing_box_relationship(self):
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"""Thing should be accessible from Box via related_name."""
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self.assertIn(self.thing, self.box.things.all())
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def test_thing_type_protect_on_delete(self):
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"""Deleting a ThingType with things should raise IntegrityError."""
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with self.assertRaises(IntegrityError):
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self.thing_type.delete()
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def test_box_protect_on_delete_with_things(self):
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"""Deleting a Box with things should raise IntegrityError."""
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with self.assertRaises(IntegrityError):
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self.box.delete()
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class ThingTypeAdminTests(TestCase):
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"""Tests for the ThingType admin configuration."""
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def setUp(self):
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"""Set up test fixtures."""
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self.site = AdminSite()
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self.admin = ThingTypeAdmin(ThingType, self.site)
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def test_search_fields(self):
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"""ThingTypeAdmin should search by name."""
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self.assertEqual(self.admin.search_fields, ('name',))
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class ThingAdminTests(TestCase):
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"""Tests for the Thing admin configuration."""
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def setUp(self):
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"""Set up test fixtures."""
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self.site = AdminSite()
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self.admin = ThingAdmin(Thing, self.site)
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def test_list_display(self):
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"""ThingAdmin should display correct fields."""
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self.assertEqual(
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self.admin.list_display,
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('name', 'thing_type', 'box')
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)
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def test_list_filter(self):
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"""ThingAdmin should filter by thing_type and box."""
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self.assertEqual(self.admin.list_filter, ('thing_type', 'box'))
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def test_search_fields(self):
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"""ThingAdmin should search by name and description."""
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self.assertEqual(self.admin.search_fields, ('name', 'description'))
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