Add test example project

pytest.ini

@@ -0,0 +1,4 @@
+[pytest]
+python_files = test*.py
+addopts = --ff -v --nomigrations --doctest-modules tests/
+DJANGO_SETTINGS_MODULE = fision.settings

setup.py

@@ -38,7 +38,9 @@
         'channels>=2.2.0,<2.3',
     ],
     extras_require={
-        'development': [
+        'test': [
+            'pytest-django',
+            'pytest-asyncio',
             'rjsmin',
         ],
     },

tests/fision/asgi.py

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+from channels.auth import AuthMiddlewareStack
+from channels.routing import ProtocolTypeRouter, URLRouter
+
+from reactor.urls import websocket_urlpatterns
+
+application = ProtocolTypeRouter({
+    'websocket': AuthMiddlewareStack(URLRouter(
+        websocket_urlpatterns,
+    ))
+})

tests/fision/settings.py

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+"""
+Django settings for fision project.
+
+Generated by 'django-admin startproject' using Django 2.2.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/2.2/topics/settings/
+
+For the full list of settings and their values, see
+https://docs.djangoproject.com/en/2.2/ref/settings/
+"""
+
+import os
+up = os.path.dirname
+
+# Build paths inside the project like this: os.path.join(BASE_DIR, ...)
+BASE_DIR = up(up(os.path.abspath(__file__)))
+
+
+# Quick-start development settings - unsuitable for production
+# See https://docs.djangoproject.com/en/2.2/howto/deployment/checklist/
+
+# SECURITY WARNING: keep the secret key used in production secret!
+SECRET_KEY = 'b7!j@8gk-vdq3tona^(i(qg#xiir*%r-@u1f&fw@@(ccwy^ijb'
+
+# SECURITY WARNING: don't run with debug turned on in production!
+DEBUG = True
+
+ALLOWED_HOSTS = []
+
+
+# Application definition
+
+INSTALLED_APPS = [
+    'fision.todo',
+    'reactor',
+
+    'channels',
+    'django.contrib.admin',
+    'django.contrib.auth',
+    'django.contrib.contenttypes',
+    'django.contrib.sessions',
+    'django.contrib.messages',
+    'django.contrib.staticfiles',
+]
+
+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',
+]
+
+ROOT_URLCONF = 'fision.urls'
+
+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',
+            ],
+        },
+    },
+]
+
+WSGI_APPLICATION = 'fision.wsgi.application'
+ASGI_APPLICATION = 'fision.asgi.application'
+
+CHANNEL_LAYERS = {
+    'default': {
+        'BACKEND': 'channels.layers.InMemoryChannelLayer',
+        # 'CONFIG': {
+        #     "hosts": [('127.0.0.1', 6379)],
+        # },
+    },
+}
+
+# Database
+# https://docs.djangoproject.com/en/2.2/ref/settings/#databases
+
+DATABASES = {
+    'default': {
+        'ENGINE': 'django.db.backends.sqlite3',
+        'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
+        'ATOMIC_REQUESTS': True,
+        'OPTIONS': {
+            'timeout': 20,
+        },
+        "TEST": {
+            "NAME": os.path.join(BASE_DIR, "db_test.sqlite3"),
+        },
+    }
+}
+
+
+# Password validation
+# https://docs.djangoproject.com/en/2.2/ref/settings/#auth-password-validators
+
+AUTH_PASSWORD_VALIDATORS = [
+    {
+        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
+    },
+]
+
+
+# Internationalization
+# https://docs.djangoproject.com/en/2.2/topics/i18n/
+
+LANGUAGE_CODE = 'en-us'
+
+TIME_ZONE = 'UTC'
+
+USE_I18N = True
+
+USE_L10N = True
+
+USE_TZ = True
+
+
+# Static files (CSS, JavaScript, Images)
+# https://docs.djangoproject.com/en/2.2/howto/static-files/
+
+STATIC_URL = '/static/'
+
+
+LOGGING = {
+    'version': 1,
+    'disable_existing_loggers': False,
+    'handlers': {
+        'console': {
+            'class': 'logging.StreamHandler',
+        },
+    },
+    'loggers': {
+        'reactor': {
+            'handlers': ['console'],
+            'level': 'DEBUG',
+        },
+    },
+}

tests/fision/todo/admin.py

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+from django.contrib import admin
+
+from . import models
+
+
+@admin.register(models.Item)
+class ItemAdmin(admin.ModelAdmin):
+    pass

tests/fision/todo/apps.py

@@ -0,0 +1,5 @@
+from django.apps import AppConfig
+
+
+class TodoConfig(AppConfig):
+    name = 'todo'

tests/fision/todo/migrations/0001_initial.py

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+# Generated by Django 2.2 on 2019-04-17 21:27
+
+from django.db import migrations, models
+import uuid
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Item',
+            fields=[
+                ('id', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
+                ('completed', models.BooleanField(default=False)),
+                ('text', models.CharField(max_length=256)),
+            ],
+            options={
+                'abstract': False,
+            },
+        ),
+    ]

tests/fision/todo/models.py

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+from uuid import uuid4
+from django.db import models
+from django.db.models.signals import post_delete, post_save
+from django.dispatch import receiver
+
+from reactor.component import send_to_group
+
+
+class BaseModel(models.Model):
+    id = models.UUIDField(primary_key=True, default=uuid4, editable=False)
+
+    class Meta:
+        abstract = True
+
+
+class ItemQS(models.QuerySet):
+
+    @property
+    def completed(self):
+        return self.filter(completed=True)
+
+    @property
+    def active(self):
+        return self.filter(completed=False)
+
+    def update(self, *args, **kwargs):
+        results = super().update(*args, **kwargs)
+        send_to_group('item', 'update')
+        send_to_group('item.updated', 'update')
+        for item in self:
+            send_to_group(f'item.{item.id}', 'update')
+        return results
+
+
+class Item(BaseModel):
+    completed = models.BooleanField(default=False)
+    text = models.CharField(max_length=256)
+
+    objects = ItemQS.as_manager()
+
+    def __str__(self):
+        return self.text
+
+
+@receiver(post_save, sender=Item)
+def emit_element_saved(sender, instance, created, **kwargs):
+    send_to_group(f'item', 'update')
+    if created:
+        send_to_group('item.new', 'update')
+    else:
+        send_to_group('item.updated', 'update')
+        send_to_group(f'item.{instance.id}', 'update')
+
+
+@receiver(post_delete, sender=Item)
+def emit_element_deleted(sender, instance, **kwargs):
+    send_to_group('item', 'update')
+    send_to_group('item.deleted', 'update')
+    send_to_group(f'item.{instance.id}', 'update')