TermsStatsFacetsShouldAllowFilter.java

    @Test public void testTermsStatsFacetsShouldAllowFilter() throws Exception {
        try {
            client.admin().indices().prepareDelete("test").execute().actionGet();
        } catch (Exception e) {
            // ignore
        }
        client.admin().indices().prepareCreate("test").execute().actionGet();
        client.admin().cluster().prepareHealth().setWaitForGreenStatus().execute().actionGet();

        for (int i = 0; i < 20; i++) {
            client.prepareIndex("test", "type1", Integer.toString(i)).setSource("num", i % 10).execute().actionGet();
        }
        client.admin().indices().prepareRefresh().execute().actionGet();

        XContentFilterBuilder filter = FilterBuilders.numericRangeFilter("range").gt(5);

        AbstractFacetBuilder fb1 = termsStats("stats1").keyField("num").valueScript("doc.score").order(TermsStatsFacet.ComparatorType.COUNT);
        fb1.facetFilter(filter);
        AbstractFacetBuilder fb2 = termsStats("stats2").keyField("num").valueScript("doc.score").order(TermsStatsFacet.ComparatorType.TOTAL);
        fb2.facetFilter(filter);
        SearchResponse searchResponse = client.prepareSearch()
                .setQuery(matchAllQuery())
                .addFacet(fb1).addFacet(fb2).setExplain(true)
                .execute().actionGet();

        if (searchResponse.failedShards() > 0) {
            logger.warn("Failed shards:");
            for (ShardSearchFailure shardSearchFailure : searchResponse.shardFailures()) {
                logger.warn("-> {}", shardSearchFailure);
            }
        }
        //System.out.println("expl:"+searchResponse.hits().hits()[0].explanation().getValue());
        assertThat(searchResponse.failedShards(), equalTo(0));
        TermsStatsFacet facet = searchResponse.facets().facet("stats1");
        assertThat(facet.entries().size(), equalTo(5));

        facet = searchResponse.facets().facet("stats2");
        assertThat(facet.entries().size(), equalTo(5));
    }