add more test coverage

Author: hjgraca

libraries/tests/AWS.Lambda.Powertools.Logging.Tests/Utilities/PowertoolsLoggerHelpersTests.cs

@@ -1,4 +1,3 @@
-
 #if NET8_0_OR_GREATER
 
 using System;
@@ -70,57 +69,136 @@ public void ObjectToDictionary_NullObject_Return_New_Dictionary()
         // Act & Assert
         Assert.NotNull(() => PowertoolsLoggerHelpers.ObjectToDictionary(null));
     }
-    
+
     [Fact]
     public void Should_Log_With_Anonymous()
     {
         var consoleOut = Substitute.For<StringWriter>();
         SystemWrapper.Instance.SetOut(consoleOut);
-        
+
         // Act & Assert
-        Logger.AppendKey("newKey", new 
+        Logger.AppendKey("newKey", new
         {
             name = "my name"
         });
-        
+
         Logger.LogInformation("test");
-        
+
         consoleOut.Received(1).WriteLine(
             Arg.Is<string>(i =>
                 i.Contains("\"new_key\":{\"name\":\"my name\"}"))
         );
     }
-    
+
     [Fact]
     public void Should_Log_With_Complex_Anonymous()
     {
         var consoleOut = Substitute.For<StringWriter>();
         SystemWrapper.Instance.SetOut(consoleOut);
-        
+
         // Act & Assert
-        Logger.AppendKey("newKey", new 
+        Logger.AppendKey("newKey", new
         {
             id = 1,
             name = "my name",
-            Adresses = new {
+            Adresses = new
+            {
                 street = "street 1",
                 number = 1,
-                city = new 
+                city = new
                 {
                     name = "city 1",
                     state = "state 1"
                 }
             }
         });
-        
+
         Logger.LogInformation("test");
-        
+
         consoleOut.Received(1).WriteLine(
             Arg.Is<string>(i =>
-                i.Contains("\"new_key\":{\"id\":1,\"name\":\"my name\",\"adresses\":{\"street\":\"street 1\",\"number\":1,\"city\":{\"name\":\"city 1\",\"state\":\"state 1\"}"))
+                i.Contains(
+                    "\"new_key\":{\"id\":1,\"name\":\"my name\",\"adresses\":{\"street\":\"street 1\",\"number\":1,\"city\":{\"name\":\"city 1\",\"state\":\"state 1\"}"))
         );
     }
 
+    [Fact]
+    public void ObjectToDictionary_EnumValue_ReturnsOriginalEnum()
+    {
+        // Arrange
+        var enumValue = DayOfWeek.Monday;
+
+        // Act
+        var result = PowertoolsLoggerHelpers.ObjectToDictionary(enumValue);
+
+        // Assert
+        Assert.Equal(enumValue, result);
+    }
+
+    [Fact]
+    public void ObjectToDictionary_ObjectWithNullProperty_ExcludesNullProperty()
+    {
+        // Arrange
+        var objectWithNull = new { name = (string)null, age = 30 };
+
+        // Act
+        var result = PowertoolsLoggerHelpers.ObjectToDictionary(objectWithNull);
+
+        // Assert
+        Assert.IsType<Dictionary<string, object>>(result);
+        var dictionary = (Dictionary<string, object>)result;
+        Assert.Single(dictionary);
+        Assert.Equal(30, dictionary["age"]);
+        Assert.False(dictionary.ContainsKey("name"));
+    }
+
+    [Fact]
+    public void ObjectToDictionary_EmptyAnonymousObject_ReturnsEmptyDictionary()
+    {
+        // Arrange
+        var emptyObject = new { };
+
+        // Act
+        var result = PowertoolsLoggerHelpers.ObjectToDictionary(emptyObject);
+
+        // Assert
+        Assert.IsType<Dictionary<string, object>>(result);
+        var dictionary = (Dictionary<string, object>)result;
+        Assert.Empty(dictionary);
+    }
+
+    [Fact]
+    public void ObjectToDictionary_ObjectWithNestedEnum_ReturnsDictionaryWithEnum()
+    {
+        // Arrange
+        var objectWithEnum = new { name = "test", day = DayOfWeek.Friday };
+
+        // Act
+        var result = PowertoolsLoggerHelpers.ObjectToDictionary(objectWithEnum);
+
+        // Assert
+        Assert.IsType<Dictionary<string, object>>(result);
+        var dictionary = (Dictionary<string, object>)result;
+        Assert.Equal(2, dictionary.Count);
+        Assert.Equal("test", dictionary["name"]);
+        Assert.Equal(DayOfWeek.Friday, dictionary["day"]);
+    }
+
+    [Fact]
+    public void ObjectToDictionary_ObjectWithAllNullProperties_ReturnsEmptyDictionary()
+    {
+        // Arrange
+        var allNullObject = new { name = (string)null, address = (string)null };
+
+        // Act
+        var result = PowertoolsLoggerHelpers.ObjectToDictionary(allNullObject);
+
+        // Assert
+        Assert.IsType<Dictionary<string, object>>(result);
+        var dictionary = (Dictionary<string, object>)result;
+        Assert.Empty(dictionary);
+    }
+
     public void Dispose()
     {
         PowertoolsLoggingSerializer.ConfigureNamingPolicy(LoggerOutputCase.Default);