修复redis cache method get并增加测试

FastCache.Redis/Driver/RedisCache.cs

@@ -51,11 +51,12 @@
         public Task<CacheItem> Get(string key)
         {
             var cacheValue = _redisClient.Get<CacheItem>(key);
-            if (cacheValue?.AssemblyName == null || cacheValue?.Type == null) return Task.FromResult(new CacheItem());
+            if (string.IsNullOrWhiteSpace(cacheValue?.AssemblyName) || string.IsNullOrWhiteSpace(cacheValue?.Type) ||
+                cacheValue?.Value == null) return Task.FromResult(new CacheItem());
 
             var assembly = Assembly.Load(cacheValue.AssemblyName);
             var valueType = assembly.GetType(cacheValue.Type, true, true);
             cacheValue.Value = JsonConvert.DeserializeObject(cacheValue.Value as string, valueType);
             return Task.FromResult(cacheValue);
         }
 

IntegrationTests/MultiSourceApiRequestCacheTests.cs

@@ -231,4 +231,15 @@ public async void TestMultiSourceEvictableAllowsEvictionByMultipleRules(string b
         Assert.Equal("anson1", userDeleted.Name);
         Assert.Equal(1, userDeleted.Age);
     }
+
+    [Theory]
+    [InlineData("/MultiSource")]
+    public async void TestMultiSourceCacheableMultipleParam(string baseUrl)
+    {
+        var responseMessage = await _httpClient.GetAsync($"{baseUrl}/get/two?id=123&name=anson1");
+        Assert.Equal(responseMessage.StatusCode, HttpStatusCode.NoContent);
+
+        var responseMessage2 = await _httpClient.GetAsync($"{baseUrl}/get/two?id=123&name=anson1");
+        Assert.Equal(responseMessage2.StatusCode, HttpStatusCode.NoContent);
+    }
 }

TestApi/Controllers/MultiSourceController.cs

@@ -23,6 +23,12 @@ public virtual async Task<User> Get(string id)
     {
         return await _userService.Single(id);
     }
+
+    [HttpGet("get/two")]
+    public virtual async Task<User> Get(string id, string name)
+    {
+        return await _userService.SingleOrDefault(id, name, true);
+    }
 
     [HttpPost]
     public User Add(User user)

TestApi/Service/IMultiSourceService.cs

@@ -8,6 +8,8 @@ public interface IMultiSourceService
 
     Task<User> Single(string id);
 
+    Task<User?> SingleOrDefault(string id, string name, bool canChange);
+
     Task<User?> SingleOrDefault(string id);
 
     Task<User?> SingleOrDefaultByName(string name);

TestApi/Service/MultiSourceService.cs

@@ -22,6 +22,12 @@ public virtual async Task<User> Single(string id)
         return await dbContext.Set<User>().SingleAsync(x => x.Id == id);
     }
 
+    [MultiSourceCacheable("MultiSource-single", "{id}:{name}", Target.Redis, 60)]
+    public virtual async Task<User?> SingleOrDefault(string id, string name, bool canChange)
+    {
+        return await dbContext.Set<User>().SingleOrDefaultAsync(x => x.Id == id && x.Name == name);
+    }
+
     public virtual async Task<User> Update(User user)
     {
         var first = await dbContext.Set<User>().FirstAsync(x => x.Id == user.Id);