mirror of
https://github.com/inventree/InvenTree
synced 2024-08-30 18:33:04 +00:00
1b421fb59a
* Adds 'consumable' field to BomItem model * Add consumable field to API * Consumable items always count as "allocated" for a build * Add new BOM fields to BOM item checksum calculation * Display 'consumable' status in BOM table * Fix order of database migrations * Update unit tests * Fix for BOM table * Remove "infinite" field from StockItem model - Not used anywhere for functionality - Hidden from the user - Now replaced by the "consumable" concept in the BuildOrder model * Update build order allocation table display * Prevent auto-allocation of stock to consumable BOM items * Ignore consumable BOM items when allocating stock to a build order * Reimplmement "footer" row for BOM table * Fix "can_build" calculation - Ignore "consumable" BOM items * Unrelated typo fix * Tweak BOM table * More visual tweaks to BOM table * Add unit test for consumable field
248 lines
7.5 KiB
Python
248 lines
7.5 KiB
Python
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"""Unit tests for the BomItem model"""
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from decimal import Decimal
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import django.core.exceptions as django_exceptions
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from django.db import transaction
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from django.test import TestCase
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import stock.models
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from .models import BomItem, BomItemSubstitute, Part
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class BomItemTest(TestCase):
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"""Class for unit testing BomItem model"""
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fixtures = [
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'category',
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'part',
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'location',
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'bom',
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'company',
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'supplier_part',
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'part_pricebreaks',
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'price_breaks',
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]
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def setUp(self):
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"""Create initial data"""
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self.bob = Part.objects.get(id=100)
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self.orphan = Part.objects.get(name='Orphan')
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self.r1 = Part.objects.get(name='R_2K2_0805')
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def test_str(self):
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"""Test the string representation of a BOMItem"""
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b = BomItem.objects.get(id=1)
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self.assertEqual(str(b), '10 x M2x4 LPHS to make BOB | Bob | A2')
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def test_has_bom(self):
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"""Test the has_bom attribute"""
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self.assertFalse(self.orphan.has_bom)
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self.assertTrue(self.bob.has_bom)
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self.assertEqual(self.bob.bom_count, 4)
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def test_in_bom(self):
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"""Test BOM aggregation"""
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parts = self.bob.getRequiredParts()
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self.assertIn(self.orphan, parts)
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self.assertTrue(self.bob.check_if_part_in_bom(self.orphan))
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def test_used_in(self):
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"""Test that the 'used_in_count' attribute is calculated correctly"""
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self.assertEqual(self.bob.used_in_count, 1)
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self.assertEqual(self.orphan.used_in_count, 1)
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def test_self_reference(self):
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"""Test that we get an appropriate error when we create a BomItem which points to itself."""
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with self.assertRaises(django_exceptions.ValidationError):
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# A validation error should be raised here
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item = BomItem.objects.create(part=self.bob, sub_part=self.bob, quantity=7)
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item.clean() # pragma: no cover
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def test_integer_quantity(self):
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"""Test integer validation for BomItem."""
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p = Part.objects.create(name="test", description="d", component=True, trackable=True)
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# Creation of a BOMItem with a non-integer quantity of a trackable Part should fail
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with self.assertRaises(django_exceptions.ValidationError):
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BomItem.objects.create(part=self.bob, sub_part=p, quantity=21.7)
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# But with an integer quantity, should be fine
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BomItem.objects.create(part=self.bob, sub_part=p, quantity=21)
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def test_overage(self):
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"""Test that BOM line overages are calculated correctly."""
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item = BomItem.objects.get(part=100, sub_part=50)
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q = 300
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item.quantity = q
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# Test empty overage
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n = item.get_overage_quantity(q)
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self.assertEqual(n, 0)
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# Test improper overage
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item.overage = 'asf234?'
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n = item.get_overage_quantity(q)
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self.assertEqual(n, 0)
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# Test absolute overage
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item.overage = '3'
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n = item.get_overage_quantity(q)
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self.assertEqual(n, 3)
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# Test percentage-based overage
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item.overage = '5.0 % '
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n = item.get_overage_quantity(q)
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self.assertEqual(n, 15)
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# Calculate total required quantity
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# Quantity = 300 (+ 5%)
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# Get quantity required to build B = 10
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# Q * B = 3000 + 5% = 3150
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n = item.get_required_quantity(10)
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self.assertEqual(n, 3150)
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def test_item_hash(self):
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"""Test BOM item hash encoding."""
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item = BomItem.objects.get(part=100, sub_part=50)
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h1 = item.get_item_hash()
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# Change data - the hash must change
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item.quantity += 1
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h2 = item.get_item_hash()
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item.validate_hash()
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self.assertNotEqual(h1, h2)
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def test_pricing(self):
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"""Test BOM pricing"""
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self.bob.get_price(1)
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self.assertEqual(
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self.bob.get_bom_price_range(1, internal=True),
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(Decimal(29.5), Decimal(89.5))
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)
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# remove internal price for R_2K2_0805
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self.r1.internal_price_breaks.delete()
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self.assertEqual(
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self.bob.get_bom_price_range(1, internal=True),
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(Decimal(27.5), Decimal(87.5))
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)
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def test_substitutes(self):
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"""Tests for BOM item substitutes."""
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# We will make some subtitute parts for the "orphan" part
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bom_item = BomItem.objects.get(
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part=self.bob,
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sub_part=self.orphan
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)
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# No substitute parts available
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self.assertEqual(bom_item.substitutes.count(), 0)
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subs = []
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for ii in range(5):
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# Create a new part
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sub_part = Part.objects.create(
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name=f"Orphan {ii}",
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description="A substitute part for the orphan part",
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component=True,
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is_template=False,
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assembly=False,
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)
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subs.append(sub_part)
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# Link it as a substitute part
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BomItemSubstitute.objects.create(
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bom_item=bom_item,
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part=sub_part
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)
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# Try to link it again (this should fail as it is a duplicate substitute)
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with self.assertRaises(django_exceptions.ValidationError):
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with transaction.atomic():
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BomItemSubstitute.objects.create(
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bom_item=bom_item,
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part=sub_part
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)
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# There should be now 5 substitute parts available
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self.assertEqual(bom_item.substitutes.count(), 5)
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# Try to create a substitute which points to the same sub-part (should fail)
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with self.assertRaises(django_exceptions.ValidationError):
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BomItemSubstitute.objects.create(
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bom_item=bom_item,
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part=self.orphan,
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)
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# Remove one substitute part
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bom_item.substitutes.last().delete()
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self.assertEqual(bom_item.substitutes.count(), 4)
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for sub in subs:
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sub.delete()
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# The substitution links should have been automatically removed
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self.assertEqual(bom_item.substitutes.count(), 0)
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def test_consumable(self):
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"""Tests for the 'consumable' BomItem field"""
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# Create an assembly part
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assembly = Part.objects.create(name="An assembly", description="Made with parts", assembly=True)
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# No BOM information initially
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self.assertEqual(assembly.can_build, 0)
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# Create some component items
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c1 = Part.objects.create(name="C1", description="C1")
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c2 = Part.objects.create(name="C2", description="C2")
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c3 = Part.objects.create(name="C3", description="C3")
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c4 = Part.objects.create(name="C4", description="C4")
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for p in [c1, c2, c3, c4]:
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# Ensure we have stock
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stock.models.StockItem.objects.create(part=p, quantity=1000)
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# Create some BOM items
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BomItem.objects.create(
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part=assembly,
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sub_part=c1,
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quantity=10
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)
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self.assertEqual(assembly.can_build, 100)
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BomItem.objects.create(
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part=assembly,
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sub_part=c2,
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quantity=50,
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consumable=True
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)
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# A 'consumable' BomItem does not alter the can_build calculation
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self.assertEqual(assembly.can_build, 100)
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BomItem.objects.create(
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part=assembly,
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sub_part=c3,
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quantity=50,
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)
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self.assertEqual(assembly.can_build, 20)
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