> For the complete documentation index, see [llms.txt](https://cover-docs.diffblue.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://cover-docs.diffblue.com/get-started/diffblue-learning/developer/unit-tests-cli.md). # Unit tests (CLI) Use Diffblue Cover from a command line to create tests for your projects. {% hint style="info" %} Before starting this learning path, we recommend that you first complete the [Cover CLI Get Started](/get-started/diffblue-learning/get-started/cover-cli-command-line.md) path. {% endhint %} ## Start here...


Writing Tests	[2 min read]	A summary of how to write tests using Cover CLI.		Writing tests
Command Summary	[2 min read]	A summary of the core Cover CLI commands and arguments.	Title	Command summary
Cover CLI Overview	[29 min watch]	Get a complete overview of Cover CLI with this tutorial video.		https://youtu.be/LPHw0JNcMyw
Commands & Arguments	[reference]	Reference topic - details of all available commands and arguments.	Title	Commands & Arguments
Test Examples	[5 min read]	Unit test examples of varying complexity.		Test examples
Project Configuration & Dependencies	[9 topics]	Making sure your project configuration and dependencies meet the requirements needed to use Diffblue Cover.		Project configuration
Preflight Checks	[5 min read]	Diffblue Cover's preflight features for checking the suitability of your environment.		Preflight checks
Output Codes	[5 reference topics]	Reference details - Diffblue Cover output codes, messages, and descriptions.		Output Codes
Specs & Reqs	[reference topic]	Reference details - Diffblue Cover specifications and requirements.		Specs & Reqs

## Know more...


Output Codes	[5 reference topics]	Reference details - Diffblue Cover output codes, messages, and descriptions.		Output Codes
Working With Output Codes	[12 topics]	Useful hints and tips to help resolve a range of output codes.	Title	Working with output codes
Partial Tests	[4 min read]	Creating partial (incomplete) tests.		Creating partial tests
Custom Inputs	[22 min watch]	Demonstrating how to provide custom inputs to optimize test creation.	Title	https://youtu.be/1xRWbErG92c
Custom Inputs	[12 min read]	Provide custom inputs to optimize test creation.		Customizing test inputs
Custom Test Setup	[31 min watch]	Demonstrating how to provide a custom base class to optimize test creation.		https://youtu.be/TJnx2xPlL_4
Custom Test Setup	[6 min read]	Provide a custom base class to optimize test creation.		Customizing test setup
Test Naming	[4 min read]	Test naming config and defaults.		Test naming
Test Formatting	[4 min read]	Configure the format of tests written by Cover CLI.		Test formatting
Test Insertion Order	[2 min read]	Test method ordering in test classes.		Test insertion order
Refactor	[4 min read]	Use Cover Refactor to automatically suggest and apply refactorings to your code to help improve test coverage.		Get started - Cover Refactor

## Next steps...


Cover CLI Admin	Manage and maintain Cover CLI.	Admin - CLI
Test Coverage	Improve and manage test coverage.	Test coverage
Tutorials	A range of tutorials covering topics such as implementing a code change and working with Kotlin projects.	Tutorials