Added tests for Merge and MergeAsync methods.

Author: RickyLin

tests/NRedisStack.Tests/Json/JsonTests.cs

@@ -1154,15 +1154,17 @@ public async Task TestGetIssue198_Async()
     }
 
     [Fact]
-    public void TestSetWithSerializationOption()
+    public void TestSetWithSerializationOptions()
     {
         var commands = new JsonCommands(redisFixture.Redis.GetDatabase());
         var keys = CreateKeyNames(1);
         var key = keys[0];
         var jsonOptions = new JsonSerializerOptions { IncludeFields = true };
         var person = new Person { Name = "Developer", Age = 23, Birthday = DateTime.Today };
+        
         commands.Set(key, "$", person, serializerOptions: jsonOptions);
         Person? result = commands.Get<Person>(key, serializerOptions: jsonOptions);
+        
         Assert.NotNull(result);
         Assert.Equal(person.Name, result!.Name);
         Assert.Equal(person.Age, result!.Age);
@@ -1171,19 +1173,58 @@ public void TestSetWithSerializationOption()
     }
 
     [Fact]
-    public async Task TestSetAsyncWithSerializationOption()
+    public async Task TestSetWithSerializationOptionsAsync()
     {
         var commands = new JsonCommands(redisFixture.Redis.GetDatabase());
         var keys = CreateKeyNames(1);
         var key = keys[0];
         var jsonOptions = new JsonSerializerOptions { IncludeFields = true };
         var person = new Person { Name = "Developer", Age = 23, Birthday = DateTime.Today };
+
         await commands.SetAsync(key, "$", person, serializerOptions: jsonOptions);
         Person? result = await commands.GetAsync<Person>(key, serializerOptions: jsonOptions);
+        
         Assert.NotNull(result);
         Assert.Equal(person.Name, result!.Name);
         Assert.Equal(person.Age, result!.Age);
         Assert.NotNull(result!.Birthday);
         Assert.Equal(person.Birthday, result!.Birthday);
     }
+
+    [SkipIfRedis("7.1.242")]
+    public void MergeWithSerializationOptions()
+    {
+        string expected = "{\"age\":23,\"birthday\":\"2023-12-31T00:00:00\",\"name\":\"Developer\"}";
+
+        var commands = new JsonCommands(redisFixture.Redis.GetDatabase());
+        var keys = CreateKeyNames(1);
+        var key = keys[0];
+        commands.Set(key, "$", new { age = 5, birthday = new DateTime(2000, 1, 1) });
+
+        var jsonOptions = new JsonSerializerOptions { IncludeFields = true, PropertyNamingPolicy = JsonNamingPolicy.CamelCase };
+        var person = new Person { Name = "Developer", Age = 23, Birthday = new DateTime(2023, 12, 31) };
+        commands.Merge(key, "$", person, serializerOptions: jsonOptions);
+        string actual = commands.Get(key).ToString();
+
+        Assert.Equal(expected, actual);
+    }
+
+    [SkipIfRedis("7.1.242")]
+    public async Task MergeWithSerializationOptionsAsync()
+    {
+        string expected = "{\"age\":23,\"birthday\":\"2023-12-31T00:00:00\",\"name\":\"Developer\"}";
+
+        var commands = new JsonCommands(redisFixture.Redis.GetDatabase());
+        var keys = CreateKeyNames(1);
+        var key = keys[0];
+        await commands.SetAsync(key, "$", new { age = 5, birthday = new DateTime(2000, 1, 1) });
+
+        var jsonOptions = new JsonSerializerOptions { IncludeFields = true, PropertyNamingPolicy = JsonNamingPolicy.CamelCase };
+        var person = new Person { Name = "Developer", Age = 23, Birthday = new DateTime(2023, 12, 31) };
+        await commands.MergeAsync(key, "$", person, serializerOptions: jsonOptions);
+        RedisResult rr = await commands.GetAsync(key);
+        string actual = rr.ToString();
+
+        Assert.Equal(expected, actual);
+    }
 }