test: flatten test project

manage.py

@@ -0,0 +1,31 @@
+#!/usr/bin/env python
+
+import os
+import sys
+
+
+def main() -> None:
+    """
+    Main function.
+
+    It does several things:
+    1. Sets default settings module, if it is not set
+    2. Warns if Django is not installed
+    3. Executes any given command
+    """
+    os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'test_project.settings')
+
+    try:
+        from django.core import management  # noqa: WPS433
+    except ImportError:
+        raise ImportError(
+            "Couldn't import Django. Are you sure it's installed and "
+            + 'available on your PYTHONPATH environment variable? Did you '
+            + 'forget to activate a virtual environment?',
+        )
+
+    management.execute_from_command_line(sys.argv)
+
+
+if __name__ == '__main__':
+    main()

test_project/apps.py

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+from django.apps import AppConfig
+
+
+class TestAppConfig(AppConfig):
+    name = 'test_project'

test_project/migrations/0001_initial.py

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+# Generated by Django 3.2.4 on 2021-06-17 22:20
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = []
+
+    operations = [
+        migrations.CreateModel(
+            name='ExampleMetaclassModel',
+            fields=[
+                (
+                    'id',
+                    models.AutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name='ID',
+                    ),
+                ),
+                ('name', models.CharField(max_length=12)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='ExampleModel',
+            fields=[
+                (
+                    'id',
+                    models.AutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name='ID',
+                    ),
+                ),
+                ('name', models.CharField(max_length=12)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='RegisterTestModel',
+            fields=[
+                (
+                    'id',
+                    models.AutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name='ID',
+                    ),
+                ),
+                ('name', models.CharField(max_length=12)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Patient',
+            fields=[
+                (
+                    'id',
+                    models.AutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name='ID',
+                    ),
+                ),
+                ('name', models.CharField(max_length=12)),
+                (
+                    'example',
+                    models.ForeignKey(
+                        blank=True,
+                        null=True,
+                        on_delete=models.deletion.PROTECT,
+                        to='examplemodel',
+                    ),
+                ),
+            ],
+        ),
+        migrations.CreateModel(
+            name='M2MModel',
+            fields=[
+                (
+                    'id',
+                    models.AutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name='ID',
+                    ),
+                ),
+                ('name', models.CharField(max_length=12)),
+                ('models', models.ManyToManyField(to='ExampleModel')),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Encounter',
+            fields=[
+                (
+                    'id',
+                    models.AutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name='ID',
+                    ),
+                ),
+                ('num', models.PositiveSmallIntegerField()),
+                (
+                    'patient',
+                    models.ForeignKey(
+                        on_delete=models.deletion.PROTECT,
+                        to='patient',
+                    ),
+                ),
+            ],
+        ),
+    ]

test_project/models.py

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+from django.db import models
+
+from eav.decorators import register_eav
+from eav.models import EAVModelMeta
+
+
+class TestBase(models.Model):
+    """Base class for test models."""
+
+    class Meta(object):
+        """Define common options."""
+
+        app_label = 'test_project'
+        abstract = True
+
+
+class Patient(TestBase):
+    name = models.CharField(max_length=12)
+    example = models.ForeignKey(
+        'ExampleModel', null=True, blank=True, on_delete=models.PROTECT
+    )
+
+    def __str__(self):
+        return self.name
+
+    def __repr__(self):
+        return self.name
+
+
+class Encounter(TestBase):
+    num = models.PositiveSmallIntegerField()
+    patient = models.ForeignKey(Patient, on_delete=models.PROTECT)
+
+    def __str__(self):
+        return '%s: encounter num %d' % (self.patient, self.num)
+
+    def __repr__(self):
+        return self.name
+
+
+@register_eav()
+class ExampleModel(TestBase):
+    name = models.CharField(max_length=12)
+
+    def __unicode__(self):
+        return self.name
+
+
+@register_eav()
+class M2MModel(TestBase):
+    name = models.CharField(max_length=12)
+    models = models.ManyToManyField(ExampleModel)
+
+    def __unicode__(self):
+        return self.name
+
+
+class ExampleMetaclassModel(TestBase, metaclass=EAVModelMeta):
+    name = models.CharField(max_length=12)
+
+    def __str__(self):
+        return self.name
+
+
+class RegisterTestModel(TestBase, metaclass=EAVModelMeta):
+    name = models.CharField(max_length=12)
+
+    def __str__(self):
+        return self.name

test_project/settings.py

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+from pathlib import Path
+from typing import List
+
+# Build paths inside the project like this: BASE_DIR / 'subdir'.
+BASE_DIR = Path(__file__).parent.parent
+
+
+# Quick-start development settings - unsuitable for production
+# See https://docs.djangoproject.com/en/3.1/howto/deployment/checklist/
+
+# SECURITY WARNING: keep the secret key used in production secret!
+SECRET_KEY = 'secret!'  # noqa: S105
+
+# SECURITY WARNING: don't run with debug turned on in production!
+DEBUG = True
+
+ALLOWED_HOSTS: List[str] = []
+
+
+# Application definition
+
+INSTALLED_APPS = [
+    'django.contrib.admin',
+    'django.contrib.auth',
+    'django.contrib.contenttypes',
+    'django.contrib.sessions',
+    'django.contrib.messages',
+    'django.contrib.staticfiles',
+    'django.contrib.postgres',
+    # Test Project:
+    'test_project.apps.TestAppConfig',
+    # Our app:
+    'eav',
+]
+
+MIDDLEWARE = [
+    'django.middleware.security.SecurityMiddleware',
+    'django.contrib.sessions.middleware.SessionMiddleware',
+    'django.middleware.common.CommonMiddleware',
+    'django.middleware.csrf.CsrfViewMiddleware',
+    'django.contrib.auth.middleware.AuthenticationMiddleware',
+    'django.contrib.messages.middleware.MessageMiddleware',
+    'django.middleware.clickjacking.XFrameOptionsMiddleware',
+]
+
+TEMPLATES = [
+    {
+        'BACKEND': 'django.template.backends.django.DjangoTemplates',
+        'DIRS': [],
+        'APP_DIRS': True,
+        'OPTIONS': {
+            'context_processors': [
+                'django.template.context_processors.debug',
+                'django.template.context_processors.request',
+                'django.contrib.auth.context_processors.auth',
+                'django.contrib.messages.context_processors.messages',
+            ],
+        },
+    },
+]
+
+
+# Database
+# https://docs.djangoproject.com/en/3.1/ref/settings/#databases
+
+DATABASES = {
+    'default': {
+        'ENGINE': 'django.db.backends.sqlite3',
+        'NAME': ':memory:',
+    },
+}
+
+DEFAULT_AUTO_FIELD = 'django.db.models.AutoField'
+
+
+# Password validation
+# https://docs.djangoproject.com/en/3.1/ref/settings/#auth-password-validators
+
+AUTH_PASSWORD_VALIDATORS = []
+
+
+# Internationalization
+# https://docs.djangoproject.com/en/3.1/topics/i18n/
+
+LANGUAGE_CODE = 'en-us'
+
+TIME_ZONE = 'UTC'
+
+USE_I18N = True
+
+USE_L10N = True
+
+USE_TZ = False
+
+
+# Static files (CSS, JavaScript, Images)
+# https://docs.djangoproject.com/en/3.1/howto/static-files/
+
+STATIC_URL = '/static/'