fix: expose error instance path instead of schema path (#177)

pkg/validator/validator.go

@@ -197,7 +197,7 @@ func (val *v) ValidateResource(res resource.Resource) Result {
 		if errors.As(err, &e) {
 			for _, ve := range e.Causes {
 				validationErrors = append(validationErrors, ValidationError{
-					Path: ve.KeywordLocation,
+					Path: ve.InstanceLocation,
 					Msg:  ve.Message,
 				})
 			}

pkg/validator/validator_test.go

@@ -1,6 +1,7 @@
 package validator
 
 import (
+	"reflect"
 	"testing"
 
 	"github.com/yannh/kubeconform/pkg/registry"
@@ -379,3 +380,58 @@ lastName: bar
 		}
 	}
 }
+
+func TestValidationErrors(t *testing.T) {
+	rawResource := []byte(`
+kind: name
+apiVersion: v1
+firstName: foo
+age: not a number
+`)
+
+	schema := []byte(`{
+  "title": "Example Schema",
+  "type": "object",
+  "properties": {
+    "kind": {
+      "type": "string"
+    },
+    "firstName": {
+      "type": "string"
+    },
+    "lastName": {
+      "type": "string"
+    },
+    "age": {
+      "description": "Age in years",
+      "type": "integer",
+      "minimum": 0
+    }
+  },
+  "required": ["firstName", "lastName"]
+}`)
+
+	expectedErrors := []ValidationError{
+		{Path: "", Msg: "missing properties: 'lastName'"},
+		{Path: "/age", Msg: "expected integer, but got string"},
+	}
+
+	val := v{
+		opts: Opts{
+			SkipKinds:   map[string]struct{}{},
+			RejectKinds: map[string]struct{}{},
+		},
+		schemaCache:    nil,
+		schemaDownload: downloadSchema,
+		regs: []registry.Registry{
+			newMockRegistry(func() (string, []byte, error) {
+				return "", schema, nil
+			}),
+		},
+	}
+
+	got := val.ValidateResource(resource.Resource{Bytes: rawResource})
+	if !reflect.DeepEqual(expectedErrors, got.ValidationErrors) {
+		t.Errorf("Expected %+v, got %+v", expectedErrors, got.ValidationErrors)
+	}
+}