Changing behaviours in Redis CE 8.0 (#388)

* changing behaviours in CE 8.0

* assert throws

Author: atakavci

tests/NRedisStack.Tests/Search/SearchTests.cs

@@ -652,16 +652,26 @@ public void CreateWithFieldNames(string endpointId)
         SearchResult noFilters = ft.Search(index, new Query());
         Assert.Equal(5, noFilters.TotalResults);
 
-        SearchResult asOriginal = ft.Search(index, new Query("@first:Jo*"));
-        Assert.Equal(0, asOriginal.TotalResults);
-
         SearchResult asAttribute = ft.Search(index, new Query("@given:Jo*"));
         Assert.Equal(2, asAttribute.TotalResults);
 
         SearchResult nonAttribute = ft.Search(index, new Query("@last:Rod"));
         Assert.Equal(1, nonAttribute.TotalResults);
     }
 
+    [SkipIfRedis(Comparison.LessThan, "7.9.0")]
+    [MemberData(nameof(EndpointsFixture.Env.StandaloneOnly), MemberType = typeof(EndpointsFixture.Env))]
+    public void FailWhenAttributeNotExist(string endpointId)
+    {
+        IDatabase db = GetCleanDatabase(endpointId);
+        var ft = db.FT();
+        Schema sc = new Schema().AddField(new TextField(FieldName.Of("first").As("given")))
+            .AddField(new TextField(FieldName.Of("last")));
+
+        Assert.True(ft.Create(index, FTCreateParams.CreateParams().Prefix("student:", "pupil:"), sc));
+        RedisServerException exc = Assert.Throws<RedisServerException>(() => ft.Search(index, new Query("@first:Jo*")));
+    }
+
     [SkippableTheory]
     [MemberData(nameof(EndpointsFixture.Env.StandaloneOnly), MemberType = typeof(EndpointsFixture.Env))]
     public async Task CreateWithFieldNamesAsync(string endpointId)
@@ -684,16 +694,26 @@ public async Task CreateWithFieldNamesAsync(string endpointId)
         SearchResult noFilters = await ft.SearchAsync(index, new Query());
         Assert.Equal(5, noFilters.TotalResults);
 
-        SearchResult asOriginal = await ft.SearchAsync(index, new Query("@first:Jo*"));
-        Assert.Equal(0, asOriginal.TotalResults);
-
         SearchResult asAttribute = await ft.SearchAsync(index, new Query("@given:Jo*"));
         Assert.Equal(2, asAttribute.TotalResults);
 
         SearchResult nonAttribute = await ft.SearchAsync(index, new Query("@last:Rod"));
         Assert.Equal(1, nonAttribute.TotalResults);
     }
 
+    [SkipIfRedis(Comparison.LessThan, "7.9.0")]
+    [MemberData(nameof(EndpointsFixture.Env.StandaloneOnly), MemberType = typeof(EndpointsFixture.Env))]
+    public async Task FailWhenAttributeNotExistAsync(string endpointId)
+    {
+        IDatabase db = GetCleanDatabase(endpointId);
+        var ft = db.FT();
+        Schema sc = new Schema().AddField(new TextField(FieldName.Of("first").As("given")))
+            .AddField(new TextField(FieldName.Of("last")));
+
+        Assert.True(await ft.CreateAsync(index, FTCreateParams.CreateParams().Prefix("student:", "pupil:"), sc));
+        RedisServerException exc = await Assert.ThrowsAsync<RedisServerException>(async () => await ft.SearchAsync(index, new Query("@first:Jo*")));
+    }
+
     [SkipIfRedis(Is.Enterprise)]
     [MemberData(nameof(EndpointsFixture.Env.StandaloneOnly), MemberType = typeof(EndpointsFixture.Env))]
     public void AlterAdd(string endpointId)