@Test()
  public void shouldAllowQueryOnRegionWithStringValue() throws Exception {
    region = createRegionAndIndex(RegionShortcut.PARTITION, LuceneService.REGION_VALUE_FIELD);
    final LuceneIndex index = luceneService.getIndex(INDEX_NAME, REGION_NAME);

    region.put("A", "one three");
    luceneService.waitUntilFlushed(INDEX_NAME, REGION_NAME, 60000, TimeUnit.MILLISECONDS);

    verifyQuery("one", LuceneService.REGION_VALUE_FIELD, "A");
  }
This class contains tests of lucene queries that can fit
geode-lucene/src/integrationTest/java/org/apache/geode/cache/lucene/LuceneQueriesIntegrationTest.java