test: changed test's expectation that a BooleanQuery is returned. A NoMatchDocsQuery is returned instead now.

core/src/test/java/org/elasticsearch/index/query/ExistsQueryBuilderTests.java

@@ -24,10 +24,12 @@ import org.apache.lucene.search.BooleanQuery;
 import org.apache.lucene.search.ConstantScoreQuery;
 import org.apache.lucene.search.Query;
 import org.elasticsearch.cluster.metadata.MetaData;
+import org.elasticsearch.common.lucene.search.MatchNoDocsQuery;
 
 import java.io.IOException;
 import java.util.Collection;
 
+import static org.hamcrest.CoreMatchers.containsString;
 import static org.hamcrest.CoreMatchers.equalTo;
 import static org.hamcrest.CoreMatchers.instanceOf;
 
@@ -56,9 +58,9 @@ public class ExistsQueryBuilderTests extends AbstractQueryTestCase<ExistsQueryBu
         String fieldPattern = queryBuilder.fieldName();
         Collection<String> fields = context.simpleMatchToIndexNames(fieldPattern);
         if (getCurrentTypes().length == 0) {
-            assertThat(query, instanceOf(BooleanQuery.class));
-            BooleanQuery booleanQuery = (BooleanQuery) query;
-            assertThat(booleanQuery.clauses().size(), equalTo(0));
+            assertThat(query, instanceOf(MatchNoDocsQuery.class));
+            MatchNoDocsQuery matchNoDocsQuery = (MatchNoDocsQuery) query;
+            assertThat(matchNoDocsQuery.toString(null), containsString("Missing types in \"exists\" query."));
         } else {
             assertThat(query, instanceOf(ConstantScoreQuery.class));
             ConstantScoreQuery constantScoreQuery = (ConstantScoreQuery) query;
@@ -79,11 +81,11 @@ public class ExistsQueryBuilderTests extends AbstractQueryTestCase<ExistsQueryBu
 
     public void testFromJson() throws IOException {
         String json =
-                "{\n" + 
-                "  \"exists\" : {\n" + 
-                "    \"field\" : \"user\",\n" + 
-                "    \"boost\" : 42.0\n" + 
-                "  }\n" + 
+                "{\n" +
+                "  \"exists\" : {\n" +
+                "    \"field\" : \"user\",\n" +
+                "    \"boost\" : 42.0\n" +
+                "  }\n" +
                 "}";
 
         ExistsQueryBuilder parsed = (ExistsQueryBuilder) parseQuery(json);