test: 提高代码覆盖率

Author: ArgoZhang

src/extensions/BootstrapBlazor.Socket/DataConverter/DataConverter.cs

@@ -78,7 +78,7 @@ protected virtual bool Parse(ReadOnlyMemory<byte> data, TEntity entity)
                     }
                     else
                     {
-                        SocketLogging.LogInformation($"{nameof(Parse)} failed. Can't convert value from {valueType} to {p.PropertyType}");
+                        SocketLogging.LogInformation($"{nameof(Parse)} failed. Can't convert value from {GetValueType(valueType)} to {p.PropertyType}");
                     }
                 }
             }
@@ -87,6 +87,8 @@ protected virtual bool Parse(ReadOnlyMemory<byte> data, TEntity entity)
         return ret;
     }
 
+    private static string GetValueType(Type? type) => type?.FullName ?? "NULL";
+
     private DataPropertyConverterAttribute? GetPropertyConverterAttribute(PropertyInfo propertyInfo)
     {
         DataPropertyConverterAttribute? attr = null;

test/UnitTestTcpSocket/TcpSocketFactoryTest.cs

@@ -675,6 +675,12 @@ public async Task TryConvertTo_Ok()
         Assert.Equal([1, 2, 3, 4, 5], entity.Header);
         Assert.Equal([3, 4], entity.Body);
 
+        // null
+        Assert.Equal((byte)0x0, entity.Value16);
+
+        // null
+        Assert.Equal((byte)0x0, entity.Value17);
+
         // byte
         Assert.Equal(0x1, entity.Value15);
 
@@ -1426,6 +1432,12 @@ class MockEntity
 
         [DataPropertyConverter(Type = typeof(byte), Offset = 0, Length = 1)]
         public byte Value15 { get; set; }
+
+        [DataPropertyConverter(Type = typeof(byte), ConverterType = typeof(MockNullConverter), Offset = 0, Length = 1)]
+        public byte Value16 { get; set; }
+
+        [DataPropertyConverter(Type = typeof(byte[]), Offset = 0, Length = 1)]
+        public byte Value17 { get; set; }
     }
 
     class MockSocketDataConverter : DataConverter<MockEntity>
@@ -1444,6 +1456,14 @@ protected override bool Parse(ReadOnlyMemory<byte> data, MockEntity entity)
         }
     }
 
+    class MockNullConverter : IDataPropertyConverter
+    {
+        public object? Convert(ReadOnlyMemory<byte> data)
+        {
+            return null;
+        }
+    }
+
     class FooConverter(string name) : IDataPropertyConverter
     {
         public object? Convert(ReadOnlyMemory<byte> data)