What’s New

Version 2022.01.01

Jan 17, 2022

Support for Mockito 4.0, faster indexing and improved CI pipeline documentation.

Version 2021.12.02

Dec 17, 2021

Updated Logback jar versions to 1.2.8

Version 2021.12.01

Dec 07, 2021

Diffblue Cover now supports IntelliJ IDEA 2021.3

Version 2021.11.02

Nov 22, 2021

Updated test writing limits and updated logging

Version 2021.11.01

Nov 08, 2021

Diffblue's Cover Reports, which provides insights about your code to help your teams identify gaps in the application’s coverage, is now even easier to use.

Version 2021.10.02

Oct 25, 2021

Plugin test writing can now be cancelled and improved JSON reports.

Version 2021.10.01

Oct 11, 2021

Licensing is here!

Version 2021.09.02

Sep 28, 2021

Enhanced test generation and plugin updates

Version 2021.09.01

Sep 14, 2021

Improved test writing from Diffblue Cover

Version 2021.08.03

Sep 01, 2021

More tests and empowering the user experience, plus plugin updates and a Coming Soon!

Version 2021.08.02

Aug 16, 2021

Getting more tests with Diffblue Cover and additional Maven versions now supported

Version 2021.08.01

Aug 02, 2021

Diffblue Cover now supports recent versions of IntelliJ IDEA

Version 2021.07.02

Jul 19, 2021

Updated user messaging to help you have the best test creation experience

Version 2021.07.01

Jul 06, 2021

Getting the best unit testing experience from Diffblue Cover

Version 2021.06.02

Jun 21, 2021

Various enhancements including writing assertions for objects that implement functional interfaces, and shorter unique names for run configurations.

Version 2021.06.01

Jun 07, 2021

Updated icons for Diffblue Cover IntelliJ plugin

Version 2021.05.02

May 24, 2021

Increased test coverage and support for @Pattern in the definition of a Spring path variable

Version 2021.05.01

May 10, 2021

Join us for our webinar on the Code Coverage Paradox on 19th May

Version 2021.04.02

Apr 26, 2021

Extended Mockito support, enhanced mocking and enhanced Maven output.

Version 2021.04.01

Apr 13, 2021

Increased support for IntelliJ IDEA editions

Version 2021.03.03

Mar 29, 2021

Increased coverage and additional user guidance.

Version 2021.03.02

Mar 15, 2021

Diffblue Cover Community Edition now available for use on commercial code

Version 2021.03.01

Mar 01, 2021

Diffblue Cover CE can now be used for commercial code

Version 2021.02.02

Feb 15, 2021

Enhancements to test generatation and assertions

Version 2021.02.01

Feb 04, 2021

This release enhances the use of Mocking

Version 2021.01.01

Jan 11, 2021

This release enhances the readability of tests in the arrange section.

Version 2020.12.02

Dec 18, 2020

This release enhances the Spring Controller tests generated by Cover as well as optimizations to the way Cover indexes your project.

Version 2020.12.01

Dec 08, 2020

This release includes enhancements to mocking void methods as well as improvements to the assertions we generate for methods that return boolean values.

Version 2020.11.04

Nov 24, 2020

This release includes support for the Spring ActiveProfile. It also includes improvements that allow the generation of assertions for methods that return Maps, Lists and Sets. We can also now generate tests even when no assertions are present.

Version 2020.11.01/02/03

Nov 09, 2020

Extra functionality for Spring controllers, improved support for mocking, custom Maven settings & auto-applying Spring formatting on Maven projects.

Version 2020.10.02

Oct 26, 2020

Enhanced functionality by supporting projects which have a JUnit 5.7.x dependency. Other improvements include improved user guidance.

Version 2020.10.01

Oct 12, 2020

Enhancement to test creation service logging, and additional tests for Spring Controllers.

Version 2020.09.02

Sep 28, 2020

Improved stability of test creation for projects which contain multi-threaded code, and improved reporting on tests which have been discarded during test verification.

Version 2020.09.01

Sep 14, 2020

Diffblue Cover now has enhanced mocking and version detection. Some performance improvements have also been included.

Version 2020.08.c

Aug 30, 2020

Diffblue Cover now supports IntelliJ IDEA 2020.2.

Version 2020.08.b

Aug 17, 2020

Addition of extra tests for certain Spring Controller methods. A number of issues have also been resolved.

Version 2020.08.a

Aug 03, 2020

Improved messaging and guidance in test verification, and more tests for Spring methods requiring Repository mocking. A number of previous issues have also been resolved.

Version 2020.07.b

Jul 20, 2020

Cover now supports mocking of classes via the --mock option. A single class, or a series of strings which represent the prefixes of classes to be mocked can be specified. It also creates tests for exceptions, defined by a throw statement, if a non-exception test case is present for the method being tested. Support for JUnit 4.13 has been added.

Version 2020.07.a

Jul 06, 2020

Cover now provides improved information, and guidance, if an incomplete class path is provided, if tests are discarded during test verification, or if initialization fails on Spring projects. In addition, when appropriate, Cover now writes tests which use the @ContextConfiguration annotation instead of @SpringBootTest.

Version 2020.06.b

Jun 22, 2020

Cover now supports smart mocking of autowired beans, resulting in increased Spring code coverage. Cover is now also able to purge user threads during ‘Essential Test’ generation, reducing the risk of exhausting JVM and/or system resources.

Version 2020.06.a

Jun 08, 2020

Indexing progress is now shown as a determinate progress bar, showing progress towards completion. The file currently being indexed is also now displayed.

Version 2020.05.b

May 26, 2020

Cover now supports projects which have JUnit 5.6.x as a dependency. It also now produces tests for multiple paths in Spring Controller methods.

Version 2020.05.a

May 12, 2020

When running either DCover or the plugin on a project that has previously been analysed, the existing index will now be updated for any changed source files and reused, rather than generating a new index of the whole project from scratch.

Version 2020.04.b

Apr 28, 2020

Improvements have been made in three areas: The choice of input values for strings, Gradle classpath detection support and performance improvements for test generation in Spring projects.

Version 2020.04.a

Apr 14, 2020

Gradle configuration is now automatically detected, and Spring Repository Beans are mocked using @MockBean and Mockito. Tests are now created that require calling setter methods and require more complex constructors, increasing the number of branches tested.

Version 2020.03.c

Mar 30, 2020

For the CLI version: Besides the classpath, we now also detect the testing framework, version, compliance level and the test verification command automatically from the Maven configuration. For the plugin version: The status of test creation for each method is now displayed clearly in the progress bar and event log.

Version 2020.03.b

Mar 16, 2020

Tests are now created for Spring `@Service` and `@Repository` classes. Tests created for classes using the Spring Framework also support JUnit 5.

Version 2020.03.a

Mar 02, 2020

Extended support for Spring Boot and Spring MVC classes with `@Controller` and `@Service` annotations. It is now possible to exclude problematic packages/classes/methods from the CLI analysis.

Version 2020.02.b

Feb 17, 2020

Support for Spring Boot and Spring MVC classes with @Controller annotations. More natural and realistic input into generated tests.

Version 2020.02.a

Feb 03, 2020

Advanced tests cover several paths in a test method, increasing the ability of the test suite to catch regresssions.

Version 2020.01.b

Jan 24, 2020

Advanced tests cover several paths in a test method, increasing the ability of the test suite to catch regresssions.

Version 2020.01.a

Jan 20, 2020

Improvements to the test-generation engine to minimise non-compiling and/or non-passing tests, and CLI option to remove these tests. Removed trivial tests that only contain `assertNotNull` on an object.

What's new