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1 package org.junit.internal.requests;
2
3 import org.junit.Ignore;
4 import org.junit.internal.runners.InitializationError;
5 import org.junit.internal.runners.OldTestClassRunner;
6 import org.junit.internal.runners.TestClassRunner;
7 import org.junit.runner.Request;
8 import org.junit.runner.RunWith;
9 import org.junit.runner.Runner;
10 import org.junit.runners.AllTests;
11
12 public class ClassRequest extends Request {
13 private static final String  CONSTRUCTOR_ERROR_FORMAT= "Custom runner class %s should have a public constructor with signature %s(Class testClass)";
14 private final Class <?> fTestClass;
15 private boolean fCanUseSuiteMethod;
16
17 public ClassRequest(Class <?> testClass, boolean canUseSuiteMethod) {
18 fTestClass= testClass;
19 fCanUseSuiteMethod= canUseSuiteMethod;
20 }
21
22 public ClassRequest(Class <?> testClass) {
23 this(testClass, true);
24 }
25
26 @Override
27 public Runner getRunner() {
28 return buildRunner(getRunnerClass(fTestClass));
29 }
30
31 public Runner buildRunner(Class <? extends Runner> runnerClass) {
32 try {
33 return runnerClass.getConstructor(Class .class).newInstance(new Object [] { fTestClass });
34 } catch (NoSuchMethodException e) {
35 String simpleName= runnerClass.getSimpleName();
36 InitializationError error= new InitializationError(String.format(
37 CONSTRUCTOR_ERROR_FORMAT, simpleName, simpleName));
38 return Request.errorReport(fTestClass, error).getRunner();
39 } catch (Exception e) {
40 return Request.errorReport(fTestClass, e).getRunner();
41 }
42 }
43
44 Class <? extends Runner> getRunnerClass(final Class <?> testClass) {
45 if (testClass.getAnnotation(Ignore.class) != null)
46 return new IgnoredClassRunner(testClass).getClass();
47 RunWith annotation= testClass.getAnnotation(RunWith.class);
48 if (annotation != null) {
49 return annotation.value();
50 } else if (hasSuiteMethod() && fCanUseSuiteMethod) {
51 return AllTests.class;
52 } else if (isPre4Test(testClass)) {
53 return OldTestClassRunner.class;
54 } else {
55 return TestClassRunner.class;
56 }
57 }
58
59 public boolean hasSuiteMethod() {
60 try {
62 fTestClass.getMethod("suite");
63 } catch (NoSuchMethodException e) {
64 return false;
65 }
66 return true;
67 }
68
69 boolean isPre4Test(Class <?> testClass) {
70 return junit.framework.TestCase.class.isAssignableFrom(testClass);
71 }
72 } |
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