// The index name should be {id}.suggest
        assertEquals("Should return correct index name", getIndexName(), suggester.getIndex());
    }

    @Test
    public void test_getAllWordsNum_onEmptyIndex() throws Exception {
        Suggester suggester = createSuggester();
        suggester.createIndexIfNothing();

        assertEquals("Empty index should have 0 words", 0, suggester.getAllWordsNum());
    }