public void setUp() {
control = EasyMock.createNiceControl();
}
@Test
public void testChooseAlternative() {
AlternativeSelector selector = new FirstAlternativeSelector();
PolicyEngine engine = control.createMock(PolicyEngine.class);
Assertor assertor = control.createMock(Assertor.class);
Policy policy = new Policy();
ExactlyOne ea = new ExactlyOne();
All all = new All();
PolicyAssertion a1 = new TestAssertion();
all.addAssertion(a1);
ea.addPolicyComponent(all);
Collection<PolicyAssertion> firstAlternative =
CastUtils.cast(all.getPolicyComponents(), PolicyAssertion.class);
policy.addPolicyComponent(ea);
EasyMock.expect(engine.supportsAlternative(firstAlternative, assertor)).andReturn(false);
control.replay();
assertNull(selector.selectAlternative(policy, engine, assertor, null));
control.verify();
control.reset();
EasyMock.expect(engine.supportsAlternative(firstAlternative, assertor)).andReturn(true);
control.replay();
Collection<Assertion> chosen = selector.selectAlternative(policy, engine, assertor, null);
assertSame(1, chosen.size());
assertSame(chosen.size(), firstAlternative.size());
assertSame(chosen.iterator().next(), firstAlternative.iterator().next());
control.verify();
control.reset();
All other = new All();
other.addAssertion(a1);
ea.addPolicyComponent(other);
Collection<PolicyAssertion> secondAlternative =
CastUtils.cast(other.getPolicyComponents(), PolicyAssertion.class);
EasyMock.expect(engine.supportsAlternative(firstAlternative, assertor)).andReturn(false);
EasyMock.expect(engine.supportsAlternative(secondAlternative, assertor)).andReturn(true);
control.replay();
chosen = selector.selectAlternative(policy, engine, assertor, null);
assertSame(1, chosen.size());
assertSame(chosen.size(), secondAlternative.size());
assertSame(chosen.iterator().next(), secondAlternative.iterator().next());
control.verify();
}