@Test
public void addTwoGroupsToBibEntryChangesGroupsField() {
group.add(entry);
group2.add(entry);
assertEquals(
Optional.of("myExplicitGroup, myExplicitGroup2"), entry.getField(FieldName.GROUPS));
}
@Test
public void addDuplicateGroupDoesNotChangeGroupsField() throws Exception {
entry.setField(FieldName.GROUPS, "myExplicitGroup");
group.add(entry);
assertEquals(Optional.of("myExplicitGroup"), entry.getField(FieldName.GROUPS));
}
@Test
public void addSingleGroupToNonemptyBibEntryAppendsToGroupsField() {
entry.setField(FieldName.GROUPS, "some thing");
group.add(entry);
assertEquals(Optional.of("some thing, myExplicitGroup"), entry.getField(FieldName.GROUPS));
}
@Test
public void addSingleGroupToEmptyBibEntryChangesGroupsField() {
group.add(entry);
assertEquals(Optional.of("myExplicitGroup"), entry.getField(FieldName.GROUPS));
}