@Test
public void callTheSpinAndWarmUpMethods() throws Exception {
Method accessor = checkThatSingletonContainsStaticInstanceAccessorMethod(Earth.class);
Earth earth = (Earth) accessor.invoke(null);
earth.spin();
earth.warmUp();
}
@Test
public void testThatAccessorAlwaysReturnsSameInstance() throws Exception {
Method accessor = checkThatSingletonContainsStaticInstanceAccessorMethod(Earth.class);
Earth earth1 = (Earth) accessor.invoke(null);
Earth earth2 = (Earth) accessor.invoke(null);
assertSame("Instances returned should be the same", earth1, earth2);
}
private void addClass(Class<?> c) {
if (classes.add(c)) {
if (c.getSuperclass() != null) {
addClass(c.getSuperclass());
}
for (Class<?> sc : c.getInterfaces()) {
addClass(sc);
}
for (Class<?> dc : c.getDeclaredClasses()) {
addClass(dc);
}
for (Method m : c.getDeclaredMethods()) {
addClass(m.getReturnType());
for (Class<?> p : m.getParameterTypes()) {
addClass(p);
}
}
if (c != void.class && dimensions(c) < 2) {
Class<?> arrayClass = Array.newInstance(c, 0).getClass();
arrayClasses.put(c, arrayClass);
addClass(arrayClass);
}
}
}
@Test
public void checkThatOtherMethodsAreNonStatic() throws NoSuchMethodException {
Method spin = Earth.class.getDeclaredMethod("spin");
assertFalse("Method spin() should not be static", Modifier.isStatic(spin.getModifiers()));
Method warmUp = Earth.class.getDeclaredMethod("warmUp");
assertFalse("Method warmUp() should not be static", Modifier.isStatic(warmUp.getModifiers()));
}
public static <T> Class<T> tellMeTheTypeOfThisThing() throws NoSuchMethodException {
Method method =
InferGenericTypeForAStaticMethodTest.class.getDeclaredMethod(
"tellMeTheTypeOfThisThing", null);
ParameterizedType type = (ParameterizedType) method.getGenericReturnType();
TypeVariableImpl typeImpl = (TypeVariableImpl) type.getActualTypeArguments()[0];
System.out.println(typeImpl);
return null;
}
private Method findPublicVoidMethod(Class<?> aClass, String methodName) {
for (Method method : aClass.getDeclaredMethods()) {
if (isPublic(method.getModifiers())
&& method.getReturnType() == void.class
&& methodName.equals(method.getName())) {
return method;
}
}
return null;
}
private Method checkThatSingletonContainsStaticInstanceAccessorMethod(Class clazz) {
for (Method method : clazz.getDeclaredMethods()) {
if (method.getReturnType() == clazz && method.getParameterTypes().length == 0) {
assertTrue(
"Method returning the Earth instance should be static",
Modifier.isStatic(method.getModifiers()));
return method;
}
}
fail("No static accessor method found.");
return null; // will never be called.
}
@Before
public void setUp() {
try {
final Method m = MiniProjet.class.getDeclaredMethod("loadConfigFile", Path.class);
m.setAccessible(true);
m.invoke(null, Paths.get(MiniProjet.FOLDER, MiniProjet.CONFIG));
} catch (IllegalAccessException
| IllegalArgumentException
| InvocationTargetException
| NoSuchMethodException
| SecurityException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
private void invalidValueHelper(Object obj, String methodName, int i) {
try {
Method m = obj.getClass().getMethod(methodName, int.class);
m.invoke(obj, i);
fail("Didn't cause an invalid value exception.");
} catch (NoSuchMethodException | SecurityException e) {
System.err.println("Error when getting the method. Uh oh!");
e.printStackTrace();
fail();
} catch (IllegalAccessException | IllegalArgumentException e) {
System.err.println("Error when invoking the method. Uh oh!");
e.printStackTrace();
fail();
} catch (InvocationTargetException e) {
assertEquals(JsonTypeException.class, e.getTargetException().getClass());
}
}
private void reportTestAsNotApplicableInCurrentTestRun(Method method) {
Class<?> testClass = method.getDeclaringClass();
Description testDescription = Description.createTestDescription(testClass, method.getName());
runNotifier.fireTestAssumptionFailed(new Failure(testDescription, NOT_APPLICABLE));
}
private boolean isTestNotApplicableInCurrentTestRun(
Class<? extends Annotation> testAnnotation, Method testMethod) {
return (testAnnotation == null || testMethod.getAnnotation(testAnnotation) != null)
&& new TestFilter(coverageMap).shouldIgnoreTestInCurrentTestRun(testMethod);
}
