Class SystemPropertiesInvariantRule

java.lang.Object

com.carrotsearch.randomizedtesting.rules.SystemPropertiesInvariantRule

All Implemented Interfaces:

org.junit.rules.TestRule

public class SystemPropertiesInvariantRule
extends Object
implements org.junit.rules.TestRule

A TestRule that ensures system properties remain unmodified by the nested Statement. This can be applied both at suite level and at test level. This rule requires appropriate security permission to read and write system properties (System.getProperties()) if running under a security manager.

See Also:

• SystemPropertiesRestoreRule
• ClassRule
• Rule

Field Summary

Fields

Modifier and Type	Field	Description
private final HashSet<String>	ignoredProperties	Ignored property keys.

Constructor Summary

Constructors

Constructor	Description
SystemPropertiesInvariantRule()	Cares about all properties.
SystemPropertiesInvariantRule(String... ignoredProperties)	Don't care about the given set of properties.
SystemPropertiesInvariantRule(Set<String> ignoredProperties)	Don't care about the given set of properties.

Method Summary

Modifier and Type	Method	Description
org.junit.runners.model.Statement	apply(org.junit.runners.model.Statement s, org.junit.runner.Description d)

Methods inherited from class Object

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

Field Details

ignoredProperties

private final HashSet<String> ignoredProperties

Ignored property keys.

Constructor Details

SystemPropertiesInvariantRule

public SystemPropertiesInvariantRule()

Cares about all properties.

SystemPropertiesInvariantRule

public SystemPropertiesInvariantRule(String... ignoredProperties)

Don't care about the given set of properties.

SystemPropertiesInvariantRule

public SystemPropertiesInvariantRule(Set<String> ignoredProperties)

Don't care about the given set of properties.

Method Details

apply

public org.junit.runners.model.Statement apply(org.junit.runners.model.Statement s,
 org.junit.runner.Description d)

Specified by:

apply in interface org.junit.rules.TestRule