org.junit.rules
Class Verifier

java.lang.Object
  extended by org.junit.rules.Verifier
All Implemented Interfaces:
TestRule
Direct Known Subclasses:
ErrorCollector

public abstract class Verifier
extends Object
implements TestRule

Verifier is a base class for Rules like ErrorCollector, which can turn otherwise passing test methods into failing tests if a verification check is failed

     public static class ErrorLogVerifier {
        private ErrorLog errorLog = new ErrorLog();

        @Rule
        public Verifier verifier = new Verifier() {
           @Override public void verify() {
              assertTrue(errorLog.isEmpty());
           }
        }

        @Test public void testThatMightWriteErrorLog() {
           // ...
        }
     }
 

Since:
4.7

Constructor Summary
Verifier()
           
 
Method Summary
 Statement apply(Statement base, Description description)
          Modifies the method-running Statement to implement this test-running rule.
protected  void verify()
          Override this to add verification logic.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

Verifier

public Verifier()
Method Detail

apply

public Statement apply(Statement base,
                       Description description)
Description copied from interface: TestRule
Modifies the method-running Statement to implement this test-running rule.

Specified by:
apply in interface TestRule
Parameters:
base - The Statement to be modified
description - A Description of the test implemented in base
Returns:
a new statement, which may be the same as base, a wrapper around base, or a completely new Statement.

verify

protected void verify()
               throws Throwable
Override this to add verification logic. Overrides should throw an exception to indicate that verification failed.

Throws:
Throwable


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