Datasheet
Diffblue Cover is an automated unit test-writing tool. It analyses your existing Java application and writes unit tests that reflect the current behavior, increasing test coverage and helping you find regressions in future code changes. Diffblue Cover automatically maintains the tests by updating them when your code changes. It supports standard Java 8 and 11, Spring and Spring Boot.
Diffblue Cover is available as Diffblue Cover CLI and the Diffblue Cover plugin for IntelliJ. (The plugin is available in two versions - Community Edition and Professional Edition).
Below is a feature comparison:
- Operating Systems
- IntelliJ Versions
- Hardware Requirements
- Java Versions
- Spring Versions
- Build Tools
- Test Frameworks
- Mock Frameworks
- Coverage Measurement
- Creating Tests - Scope
- Incremental test updating
- Reporting
- Dashboard
- Installation
- Telemetry
Operating Systems
| CLI | IntelliJ Plugin | |
|---|---|---|
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Windows 10 Enterprise
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Ubuntu 18.04
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RHEL 7.7
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macOS 10.15
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IntelliJ Versions
| CLI | IntelliJ Plugin | |
|---|---|---|
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IntelliJ Community 2020.3
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IntelliJ Community 2021.1
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IntelliJ Ultimate 2020.3
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IntelliJ Ultimate 2021.1
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Hardware Requirements
| CLI | IntelliJ Plugin | |
|---|---|---|
|
Minimum RAM
|
16 GB | 16 GB |
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Minimum disk space
|
5 GB | 5 GB |
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Cores
|
4 | 4 |
Java Versions
| CLI | IntelliJ Plugin | |
|---|---|---|
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Open JDK, Oracle JDK 8 and 11 (but please note that Java 11.0.7 is NOT supported)
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Spring Versions
| CLI | IntelliJ Plugin | |
|---|---|---|
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Spring Boot 2+, Spring 5+
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Build Tools
| CLI | IntelliJ Plugin | |
|---|---|---|
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Maven 3.6+, Gradle 2.6+
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Test Frameworks
| CLI | IntelliJ Plugin | |
|---|---|---|
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JUnit 4.7 - 4.13, JUnit 5.0 - 5.7
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Mock Frameworks
| CLI | IntelliJ Plugin | |
|---|---|---|
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Mockito 1.9.5 - 3.9.0
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Coverage Measurement
| CLI | IntelliJ Plugin | |
|---|---|---|
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Externally via JaCoCo, SonarQube etc.
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Creating Tests - Scope
| CLI | IntelliJ Plugin | |
|---|---|---|
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Per method
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Per class
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Per package
This feature is not available for the IntelliJ Plugin Community Edition
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Per module
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Exclude methods from analysis
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Incremental test updating
| CLI | IntelliJ Plugin | |
|---|---|---|
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Use git diff patch file to update tests (https://git-scm.com/docs/git-diff).
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Reporting
| CLI | IntelliJ Plugin | |
|---|---|---|
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Export detailed JSON report
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Dashboard
| CLI | IntelliJ Plugin | |
|---|---|---|
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Web based dashboard
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Installation
| CLI | IntelliJ Plugin | |
|---|---|---|
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Zip bundle
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Via JetBrains marketplace or customised install bundle
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Telemetry
| CLI | IntelliJ Plugin | |
|---|---|---|
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Anonymous usage data sent to Diffblue (can be turned off). For details, please see our Privacy Notice.
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