Add test to check exception

Author: inputfalken

src/DynamoDBGenerator/Internal/ExceptionHelper.cs

@@ -23,7 +23,7 @@ public static DynamoDBMarshallingException KeysArgumentNotNull(string memberName
 
     public static DynamoDBMarshallingException KeysInvalidConversion(string memberName, string argumentName, object value, string expectedType)
     {
-        return new DynamoDBMarshallingException(memberName, $"Value '{{{value}}}' from argument '{{nameof({argumentName})}}' is not convertable to '{expectedType}'.");
+        return new DynamoDBMarshallingException(memberName, $"Value '{{{value}}}' from argument '{argumentName}' is not convertable to '{expectedType}'.");
     }
 
     public static InvalidOperationException KeysValueWithNoCorrespondence(string argumentName, object value)

tests/Dynatello.Tests/ToGetItemRequestTests.cs

@@ -1,5 +1,6 @@
 using Amazon.DynamoDBv2.Model;
 using AutoFixture;
+using DynamoDBGenerator.Exceptions;
 using Dynatello.Builders;
 using FluentAssertions;
 
@@ -16,6 +17,57 @@ static ToGetItemRequestTests()
         GetCatByCompositeKeys = Cat.QueryWithCuteness.OnTable("TABLE").ToGetRequestBuilder(x => x.Id, x => x.HomeId);
     }
 
+    [Fact]
+    public void Build_Request_CompositeKeys_InvalidPartition()
+    {
+        var act = () => Cat.QueryWithCuteness
+            .OnTable("TABLE")
+            .ToGetRequestBuilder(x => x.Name, x => x.HomeId)
+            .Build(("", Guid.Empty));
+
+        act.Should()
+            .Throw<DynamoDBMarshallingException>()
+            .WithMessage("Value '*' from argument '*' is not convertable*");
+    }
+
+    [Fact]
+    public void Build_Request_CompositeKeys_InvalidRange()
+    {
+        var act = () => Cat.QueryWithCuteness
+            .OnTable("TABLE")
+            .ToGetRequestBuilder(x => x.Id, x => x.Name)
+            .Build((Guid.Empty, ""));
+
+        act.Should()
+            .Throw<DynamoDBMarshallingException>()
+            .WithMessage("Value '*' from argument '*' is not convertable*");
+    }
+
+    [Fact]
+    public void Build_Request_CompositeKeys_InvalidPartitionAndRange()
+    {
+        var act = () => Cat.QueryWithCuteness
+            .OnTable("TABLE")
+            .ToGetRequestBuilder(x => x.Cuteness, x => x.Name)
+            .Build((2.3, ""));
+
+        act.Should()
+            .Throw<DynamoDBMarshallingException>()
+            .WithMessage("Value '*' from argument '*' is not convertable*");
+    }
+
+    [Fact]
+    public void Build_Request_WithInvalidPartitionKey()
+    {
+        var act = () => Cat.QueryWithCuteness
+            .OnTable("TABLE")
+            .ToGetRequestBuilder(x => x.Name)
+            .Build("TEST");
+        act.Should()
+            .Throw<DynamoDBMarshallingException>()
+            .WithMessage("Value '*' from argument '*' is not convertable*");
+    }
+
     [Fact]
     public void Build_Request_PartitionKeyOnly()
     {
@@ -32,6 +84,7 @@ public void Build_Request_PartitionKeyOnly()
             request.TableName.Should().Be("TABLE");
         });
     }
+
     [Fact]
     public void Build_Request_CompositeKeys()
     {
@@ -43,8 +96,8 @@ public void Build_Request_CompositeKeys()
                 .Should()
                 .BeEquivalentTo(new Dictionary<string, AttributeValue>()
                     {
-                        { nameof(Cat.Id), new AttributeValue { S = keys.PartitionKey.ToString() } } ,
-                        { nameof(Cat.HomeId), new AttributeValue { S = keys.RangeKey.ToString() } } 
+                        { nameof(Cat.Id), new AttributeValue { S = keys.PartitionKey.ToString() } },
+                        { nameof(Cat.HomeId), new AttributeValue { S = keys.RangeKey.ToString() } }
                     }
                 );