Print uunknown type error message (#77)

CHANGELOG.md

@@ -11,6 +11,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Added
 
+## [0.9.1] - 2023-04-05
+
+### Added
+
+- Improve error messaging for serialization error.
+
 ## [0.9.0] - 2023-03-30
 
 ### Added

json_parse_node.go

@@ -7,10 +7,11 @@ import (
 	"encoding/base64"
 	"encoding/json"
 	"errors"
+	"fmt"
+	"github.com/google/uuid"
 	"io"
 	"time"
 
-	"github.com/google/uuid"
 	abstractions "github.com/microsoft/kiota-abstractions-go"
 	absser "github.com/microsoft/kiota-abstractions-go/serialization"
 )
@@ -308,7 +309,7 @@ func (n *JsonParseNode) getPrimitiveValue(targetType string) (interface{}, error
 	case "base64":
 		return n.GetByteArrayValue()
 	default:
-		return nil, errors.New("targetType is not supported")
+		return nil, fmt.Errorf("targetType %s is not supported", targetType)
 	}
 }
 

json_parse_node_test.go

@@ -140,6 +140,24 @@ func TestFunctional(t *testing.T) {
 	}
 }
 
+func TestThrowErrorOfPrimitiveType(t *testing.T) {
+	source := `{
+				"id": "2",
+				"status": 200,
+				"item": null,
+				"phones": [1,2,3]
+		  }`
+	sourceArray := []byte(source)
+	parseNode, err := NewJsonParseNode(sourceArray)
+	if err != nil {
+		t.Errorf("Error creating parse node: %s", err.Error())
+	}
+
+	someProp, err := parseNode.GetChildNode("phones")
+	_, err = someProp.GetCollectionOfPrimitiveValues("wrong.UUID")
+	assert.Equal(t, "targetType wrong.UUID is not supported", err.Error())
+}
+
 const FunctionalTestSource = "{" +
 	"\"@odata.context\": \"https://graph.microsoft.com/v1.0/$metadata#users('vincent%40biret365.onmicrosoft.com')/messages\"," +
 	"\"@odata.nextLink\": \"https://graph.microsoft.com/v1.0/users/vincent@biret365.onmicrosoft.com/messages?$skip=10\"," +