Merge pull request #1431 from robertlyson/MoreLikeThisConditionlessBug

MoreLikeThis query should accept documents or ids

Author: gmarz

src/Nest/DSL/Query/MoreLikeThisQueryDescriptor.cs

@@ -145,7 +145,9 @@ bool IQuery.IsConditionless
 		{
 			get
 			{
-				return this.Self.LikeText.IsNullOrEmpty();
+				return this.Self.LikeText.IsNullOrEmpty()
+					&& (this.Self.Ids == null || !this.Self.Ids.Any())
+					&& (this.Self.Documents == null || !this.Self.Documents.Any());
 			}
 		}
 

src/Tests/Nest.Tests.Unit/Search/Query/Singles/MoreLikeThisQueryJson.cs

@@ -88,7 +88,7 @@ public void MoreLikeThisWithDocuments()
 					.Document<MoreLikeThisTestDoc>(new MoreLikeThisTestDoc { Name = "foo" }, "myindex", "mytype")
 				);
 			var json = TestElasticClient.Serialize(s);
-
+			
 			const string expected = @"{
 				fields: [ ""name""],
 				docs: [
@@ -135,6 +135,7 @@ public void MoreLikeThisWithDocuments()
 			}";
 
             Verify<MoreLikeThisQueryDescriptor<object>>(json, expected);
+			Assert.AreEqual(false, ((IQuery)s).IsConditionless);
 		}
 
 		[Test]