CharMappingItem item = updated.get();
        assertArrayEquals(new String[] { "m", "n" }, item.getInputs());
        assertEquals("o", item.getOutput());
    }

    // Test delete method
    public void test_delete() throws Exception {
        writeTestFile("a,b => c\nd,e => f\n");

        // Get existing item
        OptionalEntity<CharMappingItem> existing = charMappingFile.get(1L);
        assertTrue(existing.isPresent());

        // Verify the update
        protwordsFile.reload(null);
        ProtwordsItem updatedItem = protwordsFile.get(1).get();
        assertEquals("updatedWord", updatedItem.getInput());
    }

    public void test_delete() {
        // Load data first
        protwordsFile.reload(null);

        // Get an existing item
        ProtwordsItem item = protwordsFile.get(1).get();

        // Delete the item

        SuggestResponse response2 = suggester.suggest().setSuggestDetail(true).execute().getResponse();
        assertEquals(2, response2.getNum());
    }

    @Test
    public void test_delete() throws Exception {
        SuggestItem[] items = getItemSet1();
        suggester.indexer().index(items);
        suggester.refresh();