InvenTree/InvenTree/stock/test_api.py

1270 lines
34 KiB
Python

"""
Unit testing for the Stock API
"""
import os
import io
import tablib
from datetime import datetime, timedelta
import django.http
from django.urls import reverse
from rest_framework import status
from InvenTree.status_codes import StockStatus
from InvenTree.api_tester import InvenTreeAPITestCase
from common.models import InvenTreeSetting
import company.models
import part.models
from stock.models import StockItem, StockLocation
class StockAPITestCase(InvenTreeAPITestCase):
fixtures = [
'category',
'part',
'bom',
'company',
'location',
'supplier_part',
'stock',
'stock_tests',
]
roles = [
'stock.change',
'stock.add',
'stock_location.change',
'stock_location.add',
'stock.delete',
]
def setUp(self):
super().setUp()
class StockLocationTest(StockAPITestCase):
"""
Series of API tests for the StockLocation API
"""
list_url = reverse('api-location-list')
def setUp(self):
super().setUp()
# Add some stock locations
StockLocation.objects.create(name='top', description='top category')
def test_list(self):
# Check that we can request the StockLocation list
response = self.client.get(self.list_url, format='json')
self.assertEqual(response.status_code, status.HTTP_200_OK)
self.assertGreaterEqual(len(response.data), 1)
def test_add(self):
# Check that we can add a new StockLocation
data = {
'parent': 1,
'name': 'Location',
'description': 'Another location for stock'
}
response = self.client.post(self.list_url, data, format='json')
self.assertEqual(response.status_code, status.HTTP_201_CREATED)
class StockItemListTest(StockAPITestCase):
"""
Tests for the StockItem API LIST endpoint
"""
list_url = reverse('api-stock-list')
def get_stock(self, **kwargs):
"""
Filter stock and return JSON object
"""
response = self.client.get(self.list_url, format='json', data=kwargs)
self.assertEqual(response.status_code, status.HTTP_200_OK)
# Return JSON-ified data
return response.data
def test_get_stock_list(self):
"""
List *all* StockItem objects.
"""
response = self.get_stock()
self.assertEqual(len(response), 29)
def test_filter_by_part(self):
"""
Filter StockItem by Part reference
"""
response = self.get_stock(part=25)
self.assertEqual(len(response), 17)
response = self.get_stock(part=10004)
self.assertEqual(len(response), 12)
def test_filter_by_IPN(self):
"""
Filter StockItem by IPN reference
"""
response = self.get_stock(IPN="R.CH")
self.assertEqual(len(response), 3)
def test_filter_by_location(self):
"""
Filter StockItem by StockLocation reference
"""
response = self.get_stock(location=5)
self.assertEqual(len(response), 1)
response = self.get_stock(location=1, cascade=0)
self.assertEqual(len(response), 7)
response = self.get_stock(location=1, cascade=1)
self.assertEqual(len(response), 9)
response = self.get_stock(location=7)
self.assertEqual(len(response), 18)
def test_filter_by_depleted(self):
"""
Filter StockItem by depleted status
"""
response = self.get_stock(depleted=1)
self.assertEqual(len(response), 1)
response = self.get_stock(depleted=0)
self.assertEqual(len(response), 28)
def test_filter_by_in_stock(self):
"""
Filter StockItem by 'in stock' status
"""
response = self.get_stock(in_stock=1)
self.assertEqual(len(response), 26)
response = self.get_stock(in_stock=0)
self.assertEqual(len(response), 3)
def test_filter_by_status(self):
"""
Filter StockItem by 'status' field
"""
codes = {
StockStatus.OK: 27,
StockStatus.DESTROYED: 1,
StockStatus.LOST: 1,
StockStatus.DAMAGED: 0,
StockStatus.REJECTED: 0,
}
for code in codes.keys():
num = codes[code]
response = self.get_stock(status=code)
self.assertEqual(len(response), num)
def test_filter_by_batch(self):
"""
Filter StockItem by batch code
"""
response = self.get_stock(batch='B123')
self.assertEqual(len(response), 1)
def test_filter_by_serialized(self):
"""
Filter StockItem by serialized status
"""
response = self.get_stock(serialized=1)
self.assertEqual(len(response), 12)
for item in response:
self.assertIsNotNone(item['serial'])
response = self.get_stock(serialized=0)
self.assertEqual(len(response), 17)
for item in response:
self.assertIsNone(item['serial'])
def test_filter_by_has_batch(self):
"""
Test the 'has_batch' filter, which tests if the stock item has been assigned a batch code
"""
with_batch = self.get_stock(has_batch=1)
without_batch = self.get_stock(has_batch=0)
n_stock_items = StockItem.objects.all().count()
# Total sum should equal the total count of stock items
self.assertEqual(n_stock_items, len(with_batch) + len(without_batch))
for item in with_batch:
self.assertFalse(item['batch'] in [None, ''])
for item in without_batch:
self.assertTrue(item['batch'] in [None, ''])
def test_filter_by_tracked(self):
"""
Test the 'tracked' filter.
This checks if the stock item has either a batch code *or* a serial number
"""
tracked = self.get_stock(tracked=True)
untracked = self.get_stock(tracked=False)
n_stock_items = StockItem.objects.all().count()
self.assertEqual(n_stock_items, len(tracked) + len(untracked))
blank = [None, '']
for item in tracked:
self.assertTrue(item['batch'] not in blank or item['serial'] not in blank)
for item in untracked:
self.assertTrue(item['batch'] in blank and item['serial'] in blank)
def test_filter_by_expired(self):
"""
Filter StockItem by expiry status
"""
# First, we can assume that the 'stock expiry' feature is disabled
response = self.get_stock(expired=1)
self.assertEqual(len(response), 29)
self.user.is_staff = True
self.user.save()
# Now, ensure that the expiry date feature is enabled!
InvenTreeSetting.set_setting('STOCK_ENABLE_EXPIRY', True, self.user)
response = self.get_stock(expired=1)
self.assertEqual(len(response), 1)
for item in response:
self.assertTrue(item['expired'])
response = self.get_stock(expired=0)
self.assertEqual(len(response), 28)
for item in response:
self.assertFalse(item['expired'])
# Mark some other stock items as expired
today = datetime.now().date()
for pk in [510, 511, 512]:
item = StockItem.objects.get(pk=pk)
item.expiry_date = today - timedelta(days=pk)
item.save()
response = self.get_stock(expired=1)
self.assertEqual(len(response), 4)
response = self.get_stock(expired=0)
self.assertEqual(len(response), 25)
def test_paginate(self):
"""
Test that we can paginate results correctly
"""
for n in [1, 5, 10]:
response = self.get_stock(limit=n)
self.assertIn('count', response)
self.assertIn('results', response)
self.assertEqual(len(response['results']), n)
def export_data(self, filters=None):
if not filters:
filters = {}
filters['export'] = 'csv'
response = self.client.get(self.list_url, data=filters)
self.assertEqual(response.status_code, 200)
self.assertTrue(isinstance(response, django.http.response.StreamingHttpResponse))
file_object = io.StringIO(response.getvalue().decode('utf-8'))
dataset = tablib.Dataset().load(file_object, 'csv', headers=True)
return dataset
def test_export(self):
"""
Test exporting of Stock data via the API
"""
dataset = self.export_data({})
# Check that *all* stock item objects have been exported
self.assertEqual(len(dataset), StockItem.objects.count())
# Expected headers
headers = [
'part',
'customer',
'location',
'parent',
'quantity',
'status',
]
for h in headers:
self.assertIn(h, dataset.headers)
excluded_headers = [
'metadata',
]
for h in excluded_headers:
self.assertNotIn(h, dataset.headers)
# Now, add a filter to the results
dataset = self.export_data({'location': 1})
self.assertEqual(len(dataset), 9)
dataset = self.export_data({'part': 25})
self.assertEqual(len(dataset), 17)
class StockItemTest(StockAPITestCase):
"""
Series of API tests for the StockItem API
"""
list_url = reverse('api-stock-list')
def setUp(self):
super().setUp()
# Create some stock locations
top = StockLocation.objects.create(name='A', description='top')
StockLocation.objects.create(name='B', description='location b', parent=top)
StockLocation.objects.create(name='C', description='location c', parent=top)
def test_create_default_location(self):
"""
Test the default location functionality,
if a 'location' is not specified in the creation request.
"""
# The part 'R_4K7_0603' (pk=4) has a default location specified
response = self.client.post(
self.list_url,
data={
'part': 4,
'quantity': 10
}
)
self.assertEqual(response.status_code, status.HTTP_201_CREATED)
self.assertEqual(response.data['location'], 2)
# What if we explicitly set the location to a different value?
response = self.client.post(
self.list_url,
data={
'part': 4,
'quantity': 20,
'location': 1,
}
)
self.assertEqual(response.status_code, status.HTTP_201_CREATED)
self.assertEqual(response.data['location'], 1)
# And finally, what if we set the location explicitly to None?
response = self.client.post(
self.list_url,
data={
'part': 4,
'quantity': 20,
'location': '',
}
)
self.assertEqual(response.status_code, status.HTTP_201_CREATED)
self.assertEqual(response.data['location'], None)
def test_stock_item_create(self):
"""
Test creation of a StockItem via the API
"""
# POST with an empty part reference
response = self.client.post(
self.list_url,
data={
'quantity': 10,
'location': 1
}
)
self.assertContains(response, 'Valid part must be supplied', status_code=status.HTTP_400_BAD_REQUEST)
# POST with an invalid part reference
response = self.client.post(
self.list_url,
data={
'quantity': 10,
'location': 1,
'part': 10000000,
}
)
self.assertContains(response, 'Valid part must be supplied', status_code=status.HTTP_400_BAD_REQUEST)
# POST without quantity
response = self.post(
self.list_url,
{
'part': 1,
'location': 1,
},
expected_code=400
)
self.assertIn('Quantity is required', str(response.data))
# POST with quantity and part and location
response = self.post(
self.list_url,
data={
'part': 1,
'location': 1,
'quantity': 10,
},
expected_code=201
)
def test_creation_with_serials(self):
"""
Test that serialized stock items can be created via the API,
"""
trackable_part = part.models.Part.objects.create(
name='My part',
description='A trackable part',
trackable=True,
default_location=StockLocation.objects.get(pk=1),
)
self.assertEqual(trackable_part.stock_entries().count(), 0)
self.assertEqual(trackable_part.get_stock_count(), 0)
# This should fail, incorrect serial number count
self.post(
self.list_url,
data={
'part': trackable_part.pk,
'quantity': 10,
'serial_numbers': '1-20',
},
expected_code=400,
)
response = self.post(
self.list_url,
data={
'part': trackable_part.pk,
'quantity': 10,
'serial_numbers': '1-10',
},
expected_code=201,
)
data = response.data
self.assertEqual(data['quantity'], 10)
sn = data['serial_numbers']
# Check that each serial number was created
for i in range(1, 11):
self.assertTrue(i in sn)
# Check the unique stock item has been created
item = StockItem.objects.get(
part=trackable_part,
serial=str(i),
)
# Item location should have been set automatically
self.assertIsNotNone(item.location)
self.assertEqual(str(i), item.serial)
# There now should be 10 unique stock entries for this part
self.assertEqual(trackable_part.stock_entries().count(), 10)
self.assertEqual(trackable_part.get_stock_count(), 10)
def test_default_expiry(self):
"""
Test that the "default_expiry" functionality works via the API.
- If an expiry_date is specified, use that
- Otherwise, check if the referenced part has a default_expiry defined
- If so, use that!
- Otherwise, no expiry
Notes:
- Part <25> has a default_expiry of 10 days
"""
# First test - create a new StockItem without an expiry date
data = {
'part': 4,
'quantity': 10,
}
response = self.client.post(self.list_url, data)
self.assertEqual(response.status_code, status.HTTP_201_CREATED)
self.assertIsNone(response.data['expiry_date'])
# Second test - create a new StockItem with an explicit expiry date
data['expiry_date'] = '2022-12-12'
response = self.client.post(self.list_url, data)
self.assertEqual(response.status_code, status.HTTP_201_CREATED)
self.assertIsNotNone(response.data['expiry_date'])
self.assertEqual(response.data['expiry_date'], '2022-12-12')
# Third test - create a new StockItem for a Part which has a default expiry time
data = {
'part': 25,
'quantity': 10
}
response = self.client.post(self.list_url, data)
self.assertEqual(response.status_code, status.HTTP_201_CREATED)
# Expected expiry date is 10 days in the future
expiry = datetime.now().date() + timedelta(10)
self.assertEqual(response.data['expiry_date'], expiry.isoformat())
def test_purchase_price(self):
"""
Test that we can correctly read and adjust purchase price information via the API
"""
url = reverse('api-stock-detail', kwargs={'pk': 1})
data = self.get(url, expected_code=200).data
# Check fixture values
self.assertEqual(data['purchase_price'], '123.0000')
self.assertEqual(data['purchase_price_currency'], 'AUD')
self.assertEqual(data['purchase_price_string'], 'A$123.0000')
# Update just the amount
data = self.patch(
url,
{
'purchase_price': 456
},
expected_code=200
).data
self.assertEqual(data['purchase_price'], '456.0000')
self.assertEqual(data['purchase_price_currency'], 'AUD')
# Update the currency
data = self.patch(
url,
{
'purchase_price_currency': 'NZD',
},
expected_code=200
).data
self.assertEqual(data['purchase_price_currency'], 'NZD')
# Clear the price field
data = self.patch(
url,
{
'purchase_price': None,
},
expected_code=200
).data
self.assertEqual(data['purchase_price'], None)
self.assertEqual(data['purchase_price_string'], '-')
# Invalid currency code
data = self.patch(
url,
{
'purchase_price_currency': 'xyz',
},
expected_code=400
)
data = self.get(url).data
self.assertEqual(data['purchase_price_currency'], 'NZD')
def test_install(self):
""" Test that stock item can be installed into antoher item, via the API """
# Select the "parent" stock item
parent_part = part.models.Part.objects.get(pk=100)
item = StockItem.objects.create(
part=parent_part,
serial='12345688-1230',
quantity=1,
)
sub_part = part.models.Part.objects.get(pk=50)
sub_item = StockItem.objects.create(
part=sub_part,
serial='xyz-123',
quantity=1,
)
n_entries = sub_item.tracking_info.count()
self.assertIsNone(sub_item.belongs_to)
url = reverse('api-stock-item-install', kwargs={'pk': item.pk})
# Try to install an item that is *not* in the BOM for this part!
response = self.post(
url,
{
'stock_item': 520,
'note': 'This should fail, as Item #522 is not in the BOM',
},
expected_code=400
)
self.assertIn('Selected part is not in the Bill of Materials', str(response.data))
# Now, try to install an item which *is* in the BOM for the parent part
response = self.post(
url,
{
'stock_item': sub_item.pk,
'note': "This time, it should be good!",
},
expected_code=201,
)
sub_item.refresh_from_db()
self.assertEqual(sub_item.belongs_to, item)
self.assertEqual(n_entries + 1, sub_item.tracking_info.count())
# Try to install again - this time, should fail because the StockItem is not available!
response = self.post(
url,
{
'stock_item': sub_item.pk,
'note': 'Expectation: failure!',
},
expected_code=400,
)
self.assertIn('Stock item is unavailable', str(response.data))
# Now, try to uninstall via the API
url = reverse('api-stock-item-uninstall', kwargs={'pk': sub_item.pk})
self.post(
url,
{
'location': 1,
},
expected_code=201,
)
sub_item.refresh_from_db()
self.assertIsNone(sub_item.belongs_to)
self.assertEqual(sub_item.location.pk, 1)
class StocktakeTest(StockAPITestCase):
"""
Series of tests for the Stocktake API
"""
def test_action(self):
"""
Test each stocktake action endpoint,
for validation
"""
for endpoint in ['api-stock-count', 'api-stock-add', 'api-stock-remove']:
url = reverse(endpoint)
data = {}
# POST with a valid action
response = self.post(url, data)
self.assertIn("This field is required", str(response.data["items"]))
data['items'] = [{
'no': 'aa'
}]
# POST without a PK
response = self.post(url, data, expected_code=400)
self.assertIn('This field is required', str(response.data))
# POST with an invalid PK
data['items'] = [{
'pk': 10
}]
response = self.post(url, data, expected_code=400)
self.assertContains(response, 'object does not exist', status_code=status.HTTP_400_BAD_REQUEST)
# POST with missing quantity value
data['items'] = [{
'pk': 1234
}]
response = self.post(url, data, expected_code=400)
self.assertContains(response, 'This field is required', status_code=status.HTTP_400_BAD_REQUEST)
# POST with an invalid quantity value
data['items'] = [{
'pk': 1234,
'quantity': '10x0d'
}]
response = self.post(url, data)
self.assertContains(response, 'A valid number is required', status_code=status.HTTP_400_BAD_REQUEST)
data['items'] = [{
'pk': 1234,
'quantity': "-1.234"
}]
response = self.post(url, data)
self.assertContains(response, 'Ensure this value is greater than or equal to 0', status_code=status.HTTP_400_BAD_REQUEST)
def test_transfer(self):
"""
Test stock transfers
"""
data = {
'items': [
{
'pk': 1234,
'quantity': 10,
}
],
'location': 1,
'notes': "Moving to a new location"
}
url = reverse('api-stock-transfer')
# This should succeed
response = self.post(url, data, expected_code=201)
# Now try one which will fail due to a bad location
data['location'] = 'not a location'
response = self.post(url, data, expected_code=400)
self.assertContains(response, 'Incorrect type. Expected pk value', status_code=status.HTTP_400_BAD_REQUEST)
class StockItemDeletionTest(StockAPITestCase):
"""
Tests for stock item deletion via the API
"""
def test_delete(self):
n = StockItem.objects.count()
# Create and then delete a bunch of stock items
for idx in range(10):
# Create new StockItem via the API
response = self.post(
reverse('api-stock-list'),
{
'part': 1,
'location': 1,
'quantity': idx,
},
expected_code=201
)
pk = response.data['pk']
self.assertEqual(StockItem.objects.count(), n + 1)
# Request deletion via the API
self.delete(
reverse('api-stock-detail', kwargs={'pk': pk}),
expected_code=204
)
self.assertEqual(StockItem.objects.count(), n)
class StockTestResultTest(StockAPITestCase):
def get_url(self):
return reverse('api-stock-test-result-list')
def test_list(self):
url = self.get_url()
response = self.client.get(url)
self.assertEqual(response.status_code, status.HTTP_200_OK)
self.assertGreaterEqual(len(response.data), 4)
response = self.client.get(url, data={'stock_item': 105})
self.assertEqual(response.status_code, status.HTTP_200_OK)
self.assertGreaterEqual(len(response.data), 4)
def test_post_fail(self):
# Attempt to post a new test result without specifying required data
url = self.get_url()
response = self.client.post(
url,
data={
'test': 'A test',
'result': True,
},
format='json'
)
self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
# This one should pass!
response = self.client.post(
url,
data={
'test': 'A test',
'stock_item': 105,
'result': True,
},
format='json'
)
self.assertEqual(response.status_code, status.HTTP_201_CREATED)
def test_post(self):
# Test creation of a new test result
url = self.get_url()
response = self.client.get(url)
n = len(response.data)
data = {
'stock_item': 105,
'test': 'Checked Steam Valve',
'result': False,
'value': '150kPa',
'notes': 'I guess there was just too much pressure?',
}
response = self.client.post(url, data, format='json')
self.assertEqual(response.status_code, status.HTTP_201_CREATED)
response = self.client.get(url)
self.assertEqual(len(response.data), n + 1)
# And read out again
response = self.client.get(url, data={'test': 'Checked Steam Valve'})
self.assertEqual(len(response.data), 1)
test = response.data[0]
self.assertEqual(test['value'], '150kPa')
self.assertEqual(test['user'], self.user.pk)
def test_post_bitmap(self):
"""
2021-08-25
For some (unknown) reason, prior to fix https://github.com/inventree/InvenTree/pull/2018
uploading a bitmap image would result in a failure.
This test has been added to ensure that there is no regression.
As a bonus this also tests the file-upload component
"""
here = os.path.dirname(__file__)
image_file = os.path.join(here, 'fixtures', 'test_image.bmp')
with open(image_file, 'rb') as bitmap:
data = {
'stock_item': 105,
'test': 'Checked Steam Valve',
'result': False,
'value': '150kPa',
'notes': 'I guess there was just too much pressure?',
"attachment": bitmap,
}
response = self.client.post(self.get_url(), data)
self.assertEqual(response.status_code, 201)
# Check that an attachment has been uploaded
self.assertIsNotNone(response.data['attachment'])
class StockAssignTest(StockAPITestCase):
"""
Unit tests for the stock assignment API endpoint,
where stock items are manually assigned to a customer
"""
URL = reverse('api-stock-assign')
def test_invalid(self):
# Test with empty data
response = self.post(
self.URL,
data={},
expected_code=400,
)
self.assertIn('This field is required', str(response.data['items']))
self.assertIn('This field is required', str(response.data['customer']))
# Test with an invalid customer
response = self.post(
self.URL,
data={
'customer': 999,
},
expected_code=400,
)
self.assertIn('object does not exist', str(response.data['customer']))
# Test with a company which is *not* a customer
response = self.post(
self.URL,
data={
'customer': 3,
},
expected_code=400,
)
self.assertIn('company is not a customer', str(response.data['customer']))
# Test with an empty items list
response = self.post(
self.URL,
data={
'items': [],
'customer': 4,
},
expected_code=400,
)
self.assertIn('A list of stock items must be provided', str(response.data))
stock_item = StockItem.objects.create(
part=part.models.Part.objects.get(pk=1),
status=StockStatus.DESTROYED,
quantity=5,
)
response = self.post(
self.URL,
data={
'items': [
{
'item': stock_item.pk,
},
],
'customer': 4,
},
expected_code=400,
)
self.assertIn('Item must be in stock', str(response.data['items'][0]))
def test_valid(self):
stock_items = []
for i in range(5):
stock_item = StockItem.objects.create(
part=part.models.Part.objects.get(pk=25),
quantity=i + 5,
)
stock_items.append({
'item': stock_item.pk
})
customer = company.models.Company.objects.get(pk=4)
self.assertEqual(customer.assigned_stock.count(), 0)
response = self.post(
self.URL,
data={
'items': stock_items,
'customer': 4,
},
expected_code=201,
)
self.assertEqual(response.data['customer'], 4)
# 5 stock items should now have been assigned to this customer
self.assertEqual(customer.assigned_stock.count(), 5)
class StockMergeTest(StockAPITestCase):
"""
Unit tests for merging stock items via the API
"""
URL = reverse('api-stock-merge')
def setUp(self):
super().setUp()
self.part = part.models.Part.objects.get(pk=25)
self.loc = StockLocation.objects.get(pk=1)
self.sp_1 = company.models.SupplierPart.objects.get(pk=100)
self.sp_2 = company.models.SupplierPart.objects.get(pk=101)
self.item_1 = StockItem.objects.create(
part=self.part,
supplier_part=self.sp_1,
quantity=100,
)
self.item_2 = StockItem.objects.create(
part=self.part,
supplier_part=self.sp_2,
quantity=100,
)
self.item_3 = StockItem.objects.create(
part=self.part,
supplier_part=self.sp_2,
quantity=50,
)
def test_missing_data(self):
"""
Test responses which are missing required data
"""
# Post completely empty
data = self.post(
self.URL,
{},
expected_code=400
).data
self.assertIn('This field is required', str(data['items']))
self.assertIn('This field is required', str(data['location']))
# Post with a location and empty items list
data = self.post(
self.URL,
{
'items': [],
'location': 1,
},
expected_code=400
).data
self.assertIn('At least two stock items', str(data))
def test_invalid_data(self):
"""
Test responses which have invalid data
"""
# Serialized stock items should be rejected
data = self.post(
self.URL,
{
'items': [
{
'item': 501,
},
{
'item': 502,
}
],
'location': 1,
},
expected_code=400,
).data
self.assertIn('Serialized stock cannot be merged', str(data))
# Prevent item duplication
data = self.post(
self.URL,
{
'items': [
{
'item': 11,
},
{
'item': 11,
}
],
'location': 1,
},
expected_code=400,
).data
self.assertIn('Duplicate stock items', str(data))
# Check for mismatching stock items
data = self.post(
self.URL,
{
'items': [
{
'item': 1234,
},
{
'item': 11,
}
],
'location': 1,
},
expected_code=400,
).data
self.assertIn('Stock items must refer to the same part', str(data))
# Check for mismatching supplier parts
payload = {
'items': [
{
'item': self.item_1.pk,
},
{
'item': self.item_2.pk,
},
],
'location': 1,
}
data = self.post(
self.URL,
payload,
expected_code=400,
).data
self.assertIn('Stock items must refer to the same supplier part', str(data))
def test_valid_merge(self):
"""
Test valid merging of stock items
"""
# Check initial conditions
n = StockItem.objects.filter(part=self.part).count()
self.assertEqual(self.item_1.quantity, 100)
payload = {
'items': [
{
'item': self.item_1.pk,
},
{
'item': self.item_2.pk,
},
{
'item': self.item_3.pk,
},
],
'location': 1,
'allow_mismatched_suppliers': True,
}
self.post(
self.URL,
payload,
expected_code=201,
)
self.item_1.refresh_from_db()
# Stock quantity should have been increased!
self.assertEqual(self.item_1.quantity, 250)
# Total number of stock items has been reduced!
self.assertEqual(StockItem.objects.filter(part=self.part).count(), n - 2)