@Test(expected = InvalidTypeException.class)
public void ifNoAbleInstantiatorIsFoundWillThrowAnException() {
final MultiInstantiator mutliInstantiator = new MultiInstantiator(theMockInstantiator);
context.checking(
new Expectations() {
{
allowing(mockSubInstantiator).isAbleToInstantiate(with(any(Target.class)));
will(returnValue(false));
}
});
mutliInstantiator.instantiate(Target.create(Object.class, ""), null);
}
@Test
public void willCreateATargerForEachFormalParameterDeclaredByTheMethod() throws Exception {
final ControllerMethod buyAHouse = buyA;
requestParameterIs(buyAHouse, "house", "");
final InstantiatorWithErrors mockInstantiator = mock(InstantiatorWithErrors.class);
IogiParametersProvider iogiProvider =
new IogiParametersProvider(nameProvider, request, mockInstantiator);
final Target<House> expectedTarget = Target.create(House.class, "house");
iogiProvider.getParametersFor(buyAHouse, errors);
verify(mockInstantiator).instantiate(eq(expectedTarget), any(Parameters.class), eq(errors));
}
@Test
public void multiInstantiatorWillUseAnAbleInstantiator() throws Exception {
final MultiInstantiator multiInstantiator = new MultiInstantiator(theMockInstantiator);
context.checking(
new Expectations() {
{
allowing(mockSubInstantiator).isAbleToInstantiate(with(any(Target.class)));
will(returnValue(true));
one(mockSubInstantiator)
.instantiate(with(any(Target.class)), (with(any(Parameters.class))));
}
});
multiInstantiator.instantiate(Target.create(Object.class, ""), null);
}
private <T> T convertWith(
final TypeConverter<T> instantiator, final Class<T> type, final String stringValue) {
final Target<T> target = Target.create(type, "foo");
assertTrue(instantiator.isAbleToInstantiate(target));
return instantiator.instantiate(target, new Parameters(new Parameter("foo", stringValue)));
}