@Test
public void shouldReturnProviderIdsFromProviders() {
Provider provider1 = new ProviderBuilder().withDefaults().withProviderId("1234").build();
Provider provider2 = new ProviderBuilder().withDefaults().withProviderId("5678").build();
assertEquals(
new ProviderIds(asList("1234", "5678")),
ProviderIds.ofProviders(asList(provider1, provider2)));
}
@Test
public void shouldHaveJsonArrayRepresentation() {
assertEquals("[\"providerId1\",\"providerId2\"]", providerIds.toJSONString());
}
@Test
public void shouldBeIdenticalWhenSubtractedWithAnEmptyProviderIds() {
assertEquals(
providerIds, providerIds.subtract(new ProviderIds(Collections.<String>emptyList())));
}
@Test
public void shouldBeASubsetWithElementsUniqueToItselfWhenSubtractedWithProviderIds() {
assertEquals(
new ProviderIds(asList("providerId1")),
providerIds.subtract(new ProviderIds(asList("providerId2"))));
}
@Test
public void shouldBeEmptyWhenSubtractedWithItself() {
assertEquals(
new ProviderIds(Collections.<String>emptyList()), providerIds.subtract(providerIds));
}
