Package com.oracle.bedrock.junit

Class SystemPropertyExtension

java.lang.Object

com.oracle.bedrock.junit.SystemPropertyExtension

All Implemented Interfaces:

org.junit.jupiter.api.extension.BeforeAllCallback, org.junit.jupiter.api.extension.Extension

public class SystemPropertyExtension
extends Object
implements org.junit.jupiter.api.extension.BeforeAllCallback

A JUnit 5 extension that sets System properties in the before all phase.

By using this extension with @Order after other extensions, it is possible to configures properties based on the state of other extensions before tests run.

Since:

22.06

Author:

Jonathan Knight 2022.06.20

Constructor Summary

Constructors

Constructor	Description
SystemPropertyExtension()

Method Summary

Modifier and Type	Method	Description
void	beforeAll(org.junit.jupiter.api.extension.ExtensionContext context)
SystemPropertyExtension	withProperty(String key, Supplier<?> value)	Add a property to set.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

SystemPropertyExtension

public SystemPropertyExtension()

Method Details

beforeAll

public void beforeAll(org.junit.jupiter.api.extension.ExtensionContext context)
               throws Exception

Specified by:

beforeAll in interface org.junit.jupiter.api.extension.BeforeAllCallback

Throws:

Exception

withProperty

public SystemPropertyExtension withProperty(String key,
 Supplier<?> value)

Add a property to set.

The toString() of the value returned by the supplier will be used as the property value.

If the Supplier returns null then no property will be set.

Parameters:

key - the key of the property

value - a supplier for the property value

Returns:

this builder