make customer name required field.

tienda_ilusion/don_confiao/migrations/0028_alter_customer_address.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.0.6 on 2024-08-17 14:22
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('don_confiao', '0027_alter_product_name'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='customer',
+            name='address',
+            field=models.CharField(blank=True, max_length=100, null=True),
+        ),
+    ]

tienda_ilusion/don_confiao/models.py

@@ -6,8 +6,11 @@ from decimal import Decimal
 
 
 class Customer(models.Model):
-    name = models.CharField(max_length=100)
-    address = models.CharField(max_length=100)
+    name = models.CharField(max_length=100, default=None, null=False, blank=False)
+    address = models.CharField(max_length=100, null=True, blank=True)
+
+    def __str__(self):
+        return self.name
 
 
 class MeasuringUnits(models.TextChoices):
@@ -53,7 +56,7 @@ class Sale(models.Model):
 class SaleLine(models.Model):
 
     sale = models.ForeignKey(Sale, on_delete=models.CASCADE)
-    product = models.ForeignKey(Product, on_delete=models.CASCADE)
+    product = models.ForeignKey(Product, null=False, blank=False, on_delete=models.CASCADE)
     quantity = models.IntegerField(null=True)
     unit_price = models.DecimalField(max_digits=9, decimal_places=2)
     description = models.CharField(max_length=255, null=True, blank=True)

tienda_ilusion/don_confiao/tests/test_party.py

@@ -1,5 +1,7 @@
 #!/usr/bin/env python3
 from django.test import TestCase
+from django.db.utils import IntegrityError
+
 from ..models import Customer
 
 
@@ -12,3 +14,8 @@ class TestCustomer(TestCase):
         customer.save()
 
         self.assertIsInstance(customer, Customer)
+
+    def test_don_create_customer_without_name(self):
+        customer = Customer()
+        with self.assertRaises(IntegrityError):
+            customer.save()