Fix unit test.

framework/test/Volo.Abp.Json.Tests/Volo/Abp/Json/AbpJsonSystemTextJsonTestBase.cs

@@ -1,4 +1,9 @@
-using Volo.Abp.Testing;
+using System;
+using System.Collections.Concurrent;
+using System.Reflection;
+using Newtonsoft.Json;
+using Volo.Abp.Json.Newtonsoft;
+using Volo.Abp.Testing;
 
 namespace Volo.Abp.Json;
 
@@ -12,6 +17,16 @@ public abstract class AbpJsonSystemTextJsonTestBase : AbpIntegratedTest<AbpJsonS
 
 public abstract class AbpJsonNewtonsoftJsonTestBase : AbpIntegratedTest<AbpJsonNewtonsoftTestModule>
 {
+    protected AbpJsonNewtonsoftJsonTestBase()
+    {
+        var cache = typeof(AbpNewtonsoftJsonSerializer).GetField("JsonSerializerOptionsCache", BindingFlags.NonPublic | BindingFlags.Static);
+        if (cache != null)
+        {
+            var cacheValue = cache.GetValue(null)?.As<ConcurrentDictionary<object, JsonSerializerSettings>>();
+            cacheValue?.Clear();
+        }
+    }
+
     protected override void SetAbpApplicationCreationOptions(AbpApplicationCreationOptions options)
     {
         options.UseAutofac();

framework/test/Volo.Abp.Json.Tests/Volo/Abp/Json/AbpNewtonsoftSerializerProviderTests.cs

@@ -1,18 +1,18 @@
 using System;
 using System.Collections.Generic;
 using Shouldly;
-using Volo.Abp.Json.Newtonsoft;
 using Xunit;
 
 namespace Volo.Abp.Json;
 
+[Collection("AbpJsonNewtonsoftJsonTest")]
 public class AbpNewtonsoftSerializerProviderTests : AbpJsonNewtonsoftJsonTestBase
 {
-    protected AbpNewtonsoftJsonSerializer JsonSerializer;
+    protected IJsonSerializer JsonSerializer;
 
     public AbpNewtonsoftSerializerProviderTests()
     {
-        JsonSerializer = GetRequiredService<AbpNewtonsoftJsonSerializer>();
+        JsonSerializer = GetRequiredService<IJsonSerializer>();
     }
 
     public class File

framework/test/Volo.Abp.Json.Tests/Volo/Abp/Json/AbpSystemTextJsonSerializerProvider_Tests.cs

@@ -13,11 +13,11 @@ namespace Volo.Abp.Json;
 
 public abstract class AbpSystemTextJsonSerializerProviderTestBase : AbpJsonSystemTextJsonTestBase
 {
-    protected AbpSystemTextJsonSerializer JsonSerializer;
+    protected IJsonSerializer JsonSerializer;
 
     public AbpSystemTextJsonSerializerProviderTestBase()
     {
-        JsonSerializer = GetRequiredService<AbpSystemTextJsonSerializer>();
+        JsonSerializer = GetRequiredService<IJsonSerializer>();
     }
 
     public class TestExtensibleObjectClass : ExtensibleObject
@@ -260,6 +260,8 @@ public class AbpSystemTextJsonSerializerProviderDateTimeFormatTests : AbpSystemT
             options.InputDateTimeFormats.Add("yyyy*MM*dd");
             options.OutputDateTimeFormat = "yyyy*MM*dd HH*mm*ss";
         });
+
+        base.AfterAddApplication(services);
     }
 
     [Fact]
@@ -326,6 +328,8 @@ public class AbpSystemTextJsonSerializerProviderDatetimeKindUtcTests : AbpSystem
     {
         Kind = DateTimeKind.Utc;
         services.Configure<AbpClockOptions>(x => x.Kind = Kind);
+
+        base.AfterAddApplication(services);
     }
 }
 
@@ -335,6 +339,8 @@ public class AbpSystemTextJsonSerializerProviderDatetimeKindLocalTests : AbpSyst
     {
         Kind = DateTimeKind.Local;
         services.Configure<AbpClockOptions>(x => x.Kind = Kind);
+
+        base.AfterAddApplication(services);
     }
 }
 

framework/test/Volo.Abp.Json.Tests/Volo/Abp/Json/InputAndOutputDateTimeFormat_Tests.cs

@@ -31,6 +31,8 @@ public class InputAndOutputDateTimeFormatSystemTextJsonTests : AbpJsonSystemText
         {
             options.Kind = DateTimeKind.Utc;
         });
+
+        base.AfterAddApplication(services);
     }
 
     [Fact]
@@ -59,6 +61,7 @@ public class InputAndOutputDateTimeFormatSystemTextJsonTests : AbpJsonSystemText
     }
 }
 
+[Collection("AbpJsonNewtonsoftJsonTest")]
 public class InputAndOutputDateTimeFormatNewtonsoftTests : AbpJsonNewtonsoftJsonTestBase
 {
     private readonly IJsonSerializer _jsonSerializer;
@@ -83,6 +86,8 @@ public class InputAndOutputDateTimeFormatNewtonsoftTests : AbpJsonNewtonsoftJson
         {
             options.Kind = DateTimeKind.Utc;
         });
+
+        base.AfterAddApplication(services);
     }
 
     [Fact]