InvenTree/InvenTree/part/test_bom_item.py

127 lines
3.7 KiB
Python

from django.test import TestCase
import django.core.exceptions as django_exceptions
from decimal import Decimal
from .models import Part, BomItem
class BomItemTest(TestCase):
fixtures = [
'category',
'part',
'location',
'bom',
'company',
'supplier_part',
'part_pricebreaks',
'price_breaks',
]
def setUp(self):
self.bob = Part.objects.get(id=100)
self.orphan = Part.objects.get(name='Orphan')
self.r1 = Part.objects.get(name='R_2K2_0805')
def test_str(self):
b = BomItem.objects.get(id=1)
self.assertEqual(str(b), '10 x M2x4 LPHS to make BOB | Bob | A2')
def test_has_bom(self):
self.assertFalse(self.orphan.has_bom)
self.assertTrue(self.bob.has_bom)
self.assertEqual(self.bob.bom_count, 4)
def test_in_bom(self):
parts = self.bob.getRequiredParts()
self.assertIn(self.orphan, parts)
# TODO: Tests for multi-level BOMs
def test_used_in(self):
self.assertEqual(self.bob.used_in_count, 0)
self.assertEqual(self.orphan.used_in_count, 1)
def test_self_reference(self):
""" Test that we get an appropriate error when we create a BomItem which points to itself """
with self.assertRaises(django_exceptions.ValidationError):
# A validation error should be raised here
item = BomItem.objects.create(part=self.bob, sub_part=self.bob, quantity=7)
item.clean()
def test_integer_quantity(self):
"""
Test integer validation for BomItem
"""
p = Part.objects.create(name="test", description="d", component=True, trackable=True)
# Creation of a BOMItem with a non-integer quantity of a trackable Part should fail
with self.assertRaises(django_exceptions.ValidationError):
BomItem.objects.create(part=self.bob, sub_part=p, quantity=21.7)
# But with an integer quantity, should be fine
BomItem.objects.create(part=self.bob, sub_part=p, quantity=21)
def test_overage(self):
""" Test that BOM line overages are calculated correctly """
item = BomItem.objects.get(part=100, sub_part=50)
q = 300
item.quantity = q
# Test empty overage
n = item.get_overage_quantity(q)
self.assertEqual(n, 0)
# Test improper overage
item.overage = 'asf234?'
n = item.get_overage_quantity(q)
self.assertEqual(n, 0)
# Test absolute overage
item.overage = '3'
n = item.get_overage_quantity(q)
self.assertEqual(n, 3)
# Test percentage-based overage
item.overage = '5.0 % '
n = item.get_overage_quantity(q)
self.assertEqual(n, 15)
# Calculate total required quantity
# Quantity = 300 (+ 5%)
# Get quantity required to build B = 10
# Q * B = 3000 + 5% = 3150
n = item.get_required_quantity(10)
self.assertEqual(n, 3150)
def test_item_hash(self):
""" Test BOM item hash encoding """
item = BomItem.objects.get(part=100, sub_part=50)
h1 = item.get_item_hash()
# Change data - the hash must change
item.quantity += 1
h2 = item.get_item_hash()
item.validate_hash()
self.assertNotEqual(h1, h2)
def test_pricing(self):
self.bob.get_price(1)
self.assertEqual(self.bob.get_bom_price_range(1, internal=True), (Decimal(84.5), Decimal(89.5)))
# remove internal price for R_2K2_0805
self.r1.internal_price_breaks.delete()
self.assertEqual(self.bob.get_bom_price_range(1, internal=True), (Decimal(82.5), Decimal(87.5)))