@Test
public void listGreetings_eventualConsistency_returnsPartialGreetings() {
// Arrange
guestbookUnderTest.appendGreeting("Hello, Datastore!");
guestbookUnderTest.appendGreeting("Hello, Eventual Consistency!");
guestbookUnderTest.appendGreeting("Hello, World!");
guestbookUnderTest.appendGreeting("Güten Tag!");
// Act
List<Greeting> got = guestbookUnderTest.listGreetings();
// The first time we query we should half of the results due to the fact that we simulate
// eventual consistency by applying every other write.
assertThat(got).hasSize(2);
}
@Test
public void listGreetings_groomedDatastore_returnsAllGreetings() {
// Arrange
guestbookUnderTest.appendGreeting("Hello, Datastore!");
guestbookUnderTest.appendGreeting("Hello, Eventual Consistency!");
guestbookUnderTest.appendGreeting("Hello, World!");
// Act
guestbookUnderTest.listGreetings();
// Second global query sees both Entities because we "groom" (attempt to
// apply unapplied jobs) after every query.
List<Greeting> got = guestbookUnderTest.listGreetings();
assertThat(got).hasSize(3);
}
@Test
public void appendGreeting_normalData_setsContentProperty() {
Greeting got = guestbookUnderTest.appendGreeting("Hello, Datastore!");
assertThat(got.getContent()).named("content property").isEqualTo("Hello, Datastore!");
}
