magic-removal: Moved model unit tests from 'testapp' package into 'modeltests' package, with each model test getting its own app

git-svn-id: http://code.djangoproject.com/svn/django/branches/magic-removal@1606 bcc190cf-cafb-0310-a4f2-bffc1f526a37

tests/modeltests/custom_pk/models.py

@@ -0,0 +1,69 @@
+"""
+14. Using a custom primary key
+
+By default, Django adds an ``"id"`` field to each model. But you can override
+this behavior by explicitly adding ``primary_key=True`` to a field.
+"""
+
+from django.core import meta
+
+class Employee(meta.Model):
+    employee_code = meta.CharField(maxlength=10, primary_key=True)
+    first_name = meta.CharField(maxlength=20)
+    last_name = meta.CharField(maxlength=20)
+    class META:
+        ordering = ('last_name', 'first_name')
+
+    def __repr__(self):
+        return "%s %s" % (self.first_name, self.last_name)
+
+class Business(meta.Model):
+    name = meta.CharField(maxlength=20, primary_key=True)
+    employees = meta.ManyToManyField(Employee)
+    class META:
+        verbose_name_plural = 'businesses'
+        module_name = 'businesses'
+
+    def __repr__(self):
+        return self.name
+
+API_TESTS = """
+>>> dan = Employee(employee_code='ABC123', first_name='Dan', last_name='Jones')
+>>> dan.save()
+>>> Employee.objects.get_list()
+[Dan Jones]
+
+>>> fran = Employee(employee_code='XYZ456', first_name='Fran', last_name='Bones')
+>>> fran.save()
+>>> Employee.objects.get_list()
+[Fran Bones, Dan Jones]
+
+>>> Employee.objects.get_object(pk='ABC123')
+Dan Jones
+>>> Employee.objects.get_object(pk='XYZ456')
+Fran Bones
+>>> Employee.objects.get_object(pk='foo')
+Traceback (most recent call last):
+    ...
+EmployeeDoesNotExist: Employee does not exist for {'pk': 'foo'}
+
+# Fran got married and changed her last name.
+>>> fran = Employee.objects.get_object(pk='XYZ456')
+>>> fran.last_name = 'Jones'
+>>> fran.save()
+>>> Employee.objects.get_list(last_name__exact='Jones')
+[Dan Jones, Fran Jones]
+>>> Employee.objects.get_in_bulk(['ABC123', 'XYZ456'])
+{'XYZ456': Fran Jones, 'ABC123': Dan Jones}
+
+>>> b = Business(name='Sears')
+>>> b.save()
+>>> b.set_employees([dan.employee_code, fran.employee_code])
+True
+>>> b.get_employee_list()
+[Dan Jones, Fran Jones]
+>>> fran.get_business_list()
+[Sears]
+>>> Business.objects.get_in_bulk(['Sears'])
+{'Sears': Sears}
+"""