Merge branch 'dev' of https://github.com/matteobortolazzo/couchdb-net into dev

Author: matteobortolazzo

src/CouchDB.Driver/CouchContext.cs

@@ -204,7 +204,7 @@ private static bool AreFieldsEqual(Dictionary<string, IndexFieldDirection> curre
             return true;
         }
 
-        private IEnumerable<PropertyInfo> GetDatabaseProperties() =>
+        protected virtual IEnumerable<PropertyInfo> GetDatabaseProperties() =>
             GetType()
                 .GetProperties(BindingFlags.Public | BindingFlags.Instance)
                 .Where(p => p.PropertyType.IsGenericType &&

src/CouchDB.Driver/CouchDatabase.cs

@@ -125,6 +125,7 @@ public async Task<List<TSource>> FindManyAsync(IReadOnlyCollection<string> docId
             var documents = bulkGetResult.Results
                 .SelectMany(r => r.Docs)
                 .Select(d => d.Item)
+                .Where(i => i != null)
                 .ToList();
 
             foreach (TSource document in documents)

tests/CouchDB.Driver.UnitTests/Database_Tests.cs

@@ -88,6 +88,28 @@ public async Task FindMany()
             Assert.Equal("Leia", result[1].Name);
         }
 
+        [Fact]
+        public async Task FindManyWithNotFoundError()
+        {
+            using var httpTest = new HttpTest();
+            httpTest.RespondWith(@"{""results"":[{""id"":""1"",""docs"":[{""error"":{""id"":""1"",""rev"":""undefined"",""error"":""not_found"",""reason"":""missing""}}]}]}");
+            var ids = new string[] { "1" };
+            var result = await _rebels.FindManyAsync(ids);
+            httpTest
+                .ShouldHaveCalled("http://localhost/rebels/_bulk_get")
+                .WithRequestJson(new
+                {
+                    docs = new[]
+                    {
+                            new { id = "1" },
+                    }
+                })
+                .WithVerb(HttpMethod.Post);
+
+            Assert.NotNull(result);
+            Assert.Empty(result);
+        }
+
         [Fact]
         public async Task Create()
         {