Diffblue Cover is a tool that leverages autonomous AI to automate unit testing, specifically for Java development teams. This tool is designed to enhance productivity by writing unit tests fully autonomously, freeing developers to focus on more creative tasks.

It's capable of writing tests for large legacy codebases and can also assist in identifying untestable code that needs to be refactored. Additionally, the tool supports the transition of migrating an application to the cloud by ensuring the code to be migrated is thoroughly tested.

Through its risk reporting dashboard, Diffblue Cover seeks to make agile planning more effective. Its AI-powered platform eliminates the repetitive and tedious task of writing and maintaining unit tests, thus allowing developers to concentrate on writing quality code.

Furthermore, the software supports the goal of achieving continuous integration and it can autonomously maintain the test suite as the code is refactored and updated.

The objective is to increase the deployment frequency and improve the software delivery process, while also reducing any potential risk associated with application modernization.

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Diffblue Cover was manually vetted by our editorial team and was first featured on February 29th 2024.

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Pros and Cons

Pros

Automates unit testing

Focuses on Java

Increases developer productivity

Supports large legacy codebases

Identifies untestable code

Assists in cloud migration

Offers risk reporting dashboard

Enhances agile planning

Eliminates routine of test maintenance

Supports continuous integration

Maintains test suite autonomously

Aims to increase deployment frequency

Improves software delivery process

Reduces risk in application modernization

Writes a test every 2 seconds

Integrates with CI pipelines

Helps understand legacy code behaviour

Facilitates application modernization

Helps meet coverage targets

Makes unit testing scalable

Frees up developer time

Cons

Only supports Java

Doesn't test UI

Limited integration options

Lack of multi-platform support

Auto-generated tests repo management

No version history management

No support for other languages

Limited support for legacy codebases

Lack of real-time reporting

No assistance for writing tests manually

Q&A

What is Diffblue Cover?

Diffblue Cover is an autonomous AI-powered tool designed to automate unit testing, primarily for Java development teams. It strives to augment productivity by writing unit tests entirely by itself, so developers can focus on more innovative tasks. Its functionality extends to writing tests for large legacy codebases and identifying code that is untestable and needs refactoring. Furthermore, Diffblue Cover supports the process of cloud migration by ensuring comprehensive testing of the code to be transferred. The tool aims to enhance agile planning via its risk reporting dashboard and strives to eliminate the monotonous task of writing and maintaining unit tests. By doing so, it aids developers in focusing on crafting quality code.

How does Diffblue Cover use autonomous AI in unit testing?

Diffblue Cover leverages autonomous AI to automate the entire process of writing unit tests. The AI is capable of handling complex tasks and it writes tests for large legacy codebases autonomously, allowing developers to focus on code writing and analysis without being burdened by the task of testing. This not only streamlines the development process but also helps maintain the test suite as the code is refactored and updated.

Can Diffblue Cover be used for Java code testing only?

Yes, Diffblue Cover is explicitly designed for automating unit testing for Java code. The tool works exclusively with Java development teams to handle the task of writing and maintaining unit tests.

Can Diffblue Cover automate writing tests for large legacy codebases?

Yes, Diffblue Cover is capable of writing tests for large legacy codebases. This automation allows the software to rapidly generate tests, thus saving valuable time and freeing developers to attend to more innovative tasks.

How does Diffblue Cover identify untestable code?

Diffblue Cover identifies untestable code by writing unit tests and evaluating the ability of the test suite to cover the code under consideration. Any code identified as 'untestable' would indicate areas that need refactoring.

Can Diffblue Cover assist in cloud migration of an application?

Yes, Diffblue Cover supports the process of cloud migration by ensuring that the code to be transferred is thoroughly tested. It ensures that any potential issues are identified and addressed before the code is migrated, thus ensuring a smooth and effective transition to the cloud.

What is the function of the risk reporting dashboard in Diffblue Cover?

The risk reporting dashboard of Diffblue Cover aims to enable more effective agile planning. This dashboard alerts the development teams about possible issues and risk areas in the code by providing a comprehensive view of the test coverage. With this information, development teams can prioritize their tasks effectively, thereby ensuring regular and systematic updates to the codebase.

How does Diffblue Cover enhance developer productivity?

Diffblue Cover enhances developer productivity by automating the tedious and time-consuming task of writing and maintaining unit tests. This way, developers can divert their attention and efforts towards writing quality code and working on more creative tasks, hence improving overall productivity.

Can Diffblue Cover maintain the test suite autonomously?

Yes, Diffblue Cover can autonomously maintain the test suite. As the code is refactored and updated, Diffblue Cover preserves the test suite, ensuring it remains current and relevant, thereby saving developers' time.

Does Diffblue Cover support the process of continuous integration?

Yes, Diffblue Cover supports the process of continuous integration. Its autonomous nature allows it to easily pinpoint regressions early in the development process, thus enabling a smooth and continuous integration process. It fits directly into continuous integration pipelines, improving the speed and efficiency of software development.

How does Diffblue Cover help to reduce risks associated with application modernization?

Diffblue Cover helps reduce the risks associated with application modernization by thoroughly testing the code before it is updated or modernized, thus ensuring any potential issues are identified and fixed before deployment. It aims to reduce risk through early detection of possible problems, thereby ensuring a stable and secure process of application modernization.

How does Diffblue Cover integrate within software delivery process?

Diffblue Cover integrates within the software delivery process by writing unit tests at the click of a button. This allows developers to spend more time on creative work, speeding up the process of software delivery. It also generates quality, accurate tests for legacy codebases, helping to streamline the software delivery process.

How can Diffblue Cover speed up software delivery?

Diffblue Cover speeds up software delivery by automating the writing of unit tests. This frees up developers' time, allowing them to concentrate on creating new features and delivering improved software applications more quickly.

How is agile planning made more effective with Diffblue Cover?

Agile planning is made more effective with Diffblue Cover through its risk reporting dashboard. This tool provides insights into potential risks in the code, facilitating better decision-making and planning during the development process.

Can Diffblue Cover help in achieving coverage targets during unit testing?

Yes, Diffblue Cover can assist in achieving coverage targets during unit testing. By creating unit tests in bulk, it helps the team to quickly reach and maintain these coverage targets. Thus, it helps in meeting the goals of widespread testing coverage without adding to the workload of the developers.

What benefits does Diffblue Cover offer during code refactoring?

During code refactoring, Diffblue Cover identifies untestable code that needs to be optimized, thus supporting the refactoring process. Furthermore, it autonomously updates and maintains the test suite as your team refactors and updates your code, ensuring the test suite remains contemporaneous and relevant.

How does Diffblue Cover assist in translating code into Java?

Diffblue Cover assists in translating code into Java by leveraging its autonomous AI to write precise and extensive Java unit tests. These tests ensure the successful compilation of the translated code.

How does Diffblue Cover assist in application modernization?

Diffblue Cover assists in application modernization by writing a full unit test suite, providing the required coverage baseline. It can autonomously maintain the test suite as your team modernizes the applications, reducing development effort and risks associated with modernization.

How does Diffblue Cover help in reducing lead time for changes in development?

Diffblue Cover assists in reducing lead time for changes in software development by eliminating the burden of writing and maintaining unit tests. This allows Java teams to shift left and innovate with confidence. With more developer time available, teams can focus on building new features and getting improved products to market faster, thus reducing the lead time for changes.

How does Diffblue Cover increase deployment frequency of applications?

Diffblue Cover boosts the frequency of application deployment by eliminating the repetitive, tedious tasks of writing and maintaining unit tests. This provides developers with more time to write quality code and allows for more frequent shipping of software products.