1 package junitparams.internal;
2 
3 import java.lang.reflect.Method;
4 
5 import org.junit.rules.TestRule;
6 import org.junit.runner.Description;
7 import org.junit.runner.Runner;
8 import org.junit.runner.notification.RunListener;
9 import org.junit.runner.notification.RunNotifier;
10 import org.junit.runners.model.FrameworkMethod;
11 import org.junit.runners.model.Statement;
12 
13 /**
14  * A {@link FrameworkMethod} that represents an instance of an
15  * {@link ParameterisedFrameworkMethod}, that is the combination of the test method with the
16  * parameter set that it will be passed.
17  */
18 public class InstanceFrameworkMethod extends InvokableFrameworkMethod {
19 
20     private final Description instanceDescription;
21 
22     private final Object parametersSet;
23 
24     /**
25      * Create an {@link InstanceFrameworkMethod}.
26      *
27      * <p>It has two {@link Description} instances because it has to provide different
28      * {@link Description} to {@link TestRule} instances than other usages in order to maintain
29      * backwards compatibility.
30      *
31      * @param method the test method
32      * @param description the description that is supplied to {@link TestRule} instances.
33      * @param instanceDescription the description used for all other purposes, e.g. filtering,
34      *         {@link Runner#getDescription()} and {@link RunListener}.
35      * @param parametersSet the set of parameters to pass to the method.
36      */
InstanceFrameworkMethod(Method method, Description description, Description instanceDescription, Object parametersSet)37     InstanceFrameworkMethod(Method method, Description description,
38             Description instanceDescription, Object parametersSet) {
39         super(method, description);
40         this.instanceDescription = instanceDescription;
41         this.parametersSet = parametersSet;
42     }
43 
44     @Override
getInvokeStatement(Object test)45     public Statement getInvokeStatement(Object test) {
46         return new InvokeParameterisedMethod(this, test, parametersSet);
47     }
48 
getInstanceDescription()49     Description getInstanceDescription() {
50         return instanceDescription;
51     }
52 
53     @Override
run(MethodBlockSupplier supplier, RunNotifier notifier)54     public void run(MethodBlockSupplier supplier, RunNotifier notifier) {
55         runMethodInvoker(notifier, supplier.getMethodBlock(this), getInstanceDescription());
56     }
57 }
58