2024-03-02

This release improves test writing for methods utilizing Kafka Consumers and those returning Mono or Flux sequences. Additionally, Cover Reports now shows an overview of project coverage and a list of recently viewed projects. See the full Release Notes below for details of all enhancements and resolved issues covered by this release.

Enhancements

• Cover: Diffblue Cover now writes tests using isA and isNull argument matchers as part of verify statements, replacing the use of any. This does not affect argument matchers for primitives, Strings and enums which use eq. [Ref: TG-20821]

• Reports: Cover Reports now provides a project coverage summary table on the Overview tab. [Ref: TG-20694]

• Cover: Diffblue Cover now writes tests for methods which use a Kafka Consumer by using a MockConsumer. [Ref: TG-20637]

• Cover: Diffblue Cover now writes tests which use Project Reactor's StepVerifier for methods that return Mono and Flux sequences. [Ref: TG-20270]

• Reports: Cover Reports now provides a list of recently viewed projects in the main navigation menu. [Ref: TG-19630]

Resolved Issues

• Reports: Resolved an issue, in the administrator view, which prevented moving a project group to the root of the hierarchy. [Ref: TG-21015]

• Plugin: Resolved a cosmetic issue which caused a scroll bar to appear on the 'Community Edition license created' screen when IntelliJ's zoom was set higher than 100%. [Ref: TG-20942]

Known Issues

• Plugin: Cover Plugin incorrectly provides a menu option to write tests for a test file. [Ref: TG-17163]

• Cover: Diffblue Cover may produce tests for JUnit 4.10 and lower that do not compile due to the use of assertNotEquals. [Ref: TG-17605]

• Cover: Diffblue Cover supports Open JDK and Oracle JDK; results with other JDKs may differ due to the variability in their implementations of Java. [Ref: TG-19345]

• Cover: Cover may encounter an F009: Internal error while writing tests using Mockito 5. To avoid this issue use a version of Mockito earlier than 5. [Ref: TG-19610]

• Plugin: Under some circumstances, when writing tests at a Class level, Cover will delete an existing getter test. [Ref: TG-20611]

• Plugin: Under some circumstances, when writing Java tests for Kotlin code, Cover may produce non-compiling tests. [Ref: TG-20759]