Django Tutorial

• Django Tutorial
• Django MTV And MVC
• Django ORM Module
• Django auth App Module
• Django View Functions
• Django Template System
• Django Routing System
• Django Middleware
• Django Cache System
• Django Development Environment
• Django Installation And Configuration
• Django FBV And CBV Mode

Django Create A Complete Project

• Django Create The First Project
• Django Start A Project
• settings.py Configuration File
• Configure The settings.py File
• Django Initializes The Project Environment
• Django Create The First Application
• Django ORM Advanced

Django Template

• Django Template Loading And Responding
• Django Template Variables
• Django if Tag
• Django for Tag
• Django Template Filter
• Django url Tag
• Django Custom Tags
• Django Other Template Tags
• Django Template Inheritance
• Django Custom Filter
• Django Route Reverse And Namespace
• Django Routing Path Method

Django Database Query

• Django Meta Class Attribute
• Django Model Inheritance
• Django Insert Data To DataTable
• Django Database Query Operation
• Django DataTable Relationship Mapping
• Django F/Q Object Query
• Django Aggregate Query And Group Query
• Django Reverse Query For An Association Relationship
• Django QuerySet Query API

Django Form

• Django Form System
• Cookies In Django
• Session In Django
• Django Form Implements User Login And Logout
• Django Form Field Properties And Methods
• Django Form API
• Django QueryDict Object
• Django Form Built-in Fields
• Django Form Custom Fields
• Django Form Custom Validation Rules
• Django Defines A Form Based On Model
• Django ModelForm
• How The Django Form System Works

Django Authentication and Permission Management

• Django Auth Users And User Groups
• Django Auth Application Implements User Authentication
• Django User Authentication System Permission Management
• Django Custom Permission Management And Permission Verification
• Django Custom Authentication Backend
• Verify User Identity And Permissions In Django Templates
• Django Auth App Defines A Login View
• Django Auth Decorator To Verify User Identity And Permissions

Django unittest

• Python Unit Test by unittest Module
• Django Write Unit Test Cases in Project
• Django unittest Test Framework
• Django Unit Test Database Configuration And Common Testing Tools

Django Advanced

• Django Paging Function
• Django EMail Sending
• Django Upload File And Download CSV File
• Django Cache Mechanism
• Django Custom Middleware
• Django Signal Mechanism
• Django Signal Mechanism Execution Process
• How Django's Signaling Mechanism Works

Unit Test Database Configuration And Common Testing Tools

In Django, unit tests are written using Python's built-in unittest module, which provides a set of tools for creating and running tests. Here's how to configure the database for unit tests and some common testing tools:

• Configure the test database: By default, Django creates a separate test database when running unit tests. This database is used to isolate test data from production data and prevent changes to the production database during testing. To configure the test database, add the following settings to your project's settings.py file:

DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.postgresql',
        'NAME': 'mydatabase',
        'USER': 'mydatabaseuser',
        'PASSWORD': 'mypassword',
        'HOST': 'localhost',
        'PORT': '5432',
    },
    'test': {
        'ENGINE': 'django.db.backends.postgresql',
        'NAME': 'mytestdatabase',
        'USER': 'mytestuser',
        'PASSWORD': 'mytestpassword',
        'HOST': 'localhost',
        'PORT': '5432',
    }
}

TEST = {
    'NAME': 'mytestdatabase'
}

In this example, the DATABASES setting defines two database connections: one for the production database and one for the test database. The TEST setting specifies that the test database should be used for running unit tests.

• Use fixtures: A fixture is a collection of data that is used to set up the initial state of the database for testing. Fixtures can be defined as JSON or YAML files and loaded using the loaddata management command. To create a fixture, use the dumpdata command to export the current database state to a file, and then modify the file as needed to create the desired test data.

python manage.py dumpdata myapp --indent 4 > myapp/fixtures/mydata.json

In this example, the dumpdata command exports the data for the myapp application to a JSON file called mydata.json.

• Use testing tools: Django provides several tools for writing and running unit tests, including:

• TestCase: A base class for test cases that provides common testing methods and utilities.
• Client: A test client that can be used to simulate HTTP requests and responses in unit tests.
• RequestFactory: A factory for creating mock request objects in unit tests.
• LiveServerTestCase: A base class for testing views that require a live server.
• assertXxx: A set of assertion methods for testing various conditions, such as equality, inclusion, and emptiness.

These tools make it easy to write comprehensive unit tests that cover all aspects of your Django application, including views, models, forms, and templates.

In summary, configuring the test database and using fixtures and testing tools are essential for writing effective unit tests in Django. By isolating test data from production data and using tools like the Client and RequestFactory, you can ensure that your tests are accurate and reliable, and help catch bugs and issues before they reach production.