1 files changed, 46 insertions, 0 deletions
diff --git a/weed/s3api/s3api_object_handlers_put_test.go b/weed/s3api/s3api_object_handlers_put_test.go
new file mode 100644
index 000000000..87b874e1f
--- /dev/null
+++ b/weed/s3api/s3api_object_handlers_put_test.go
@@ -0,0 +1,46 @@
+package s3api
+
+import (
+	"testing"
+
+	"github.com/seaweedfs/seaweedfs/weed/s3api/s3err"
+	"github.com/seaweedfs/seaweedfs/weed/util/constants"
+)
+
+func TestFilerErrorToS3Error(t *testing.T) {
+	tests := []struct {
+		name        string
+		errString   string
+		expectedErr s3err.ErrorCode
+	}{
+		{
+			name:        "MD5 mismatch error",
+			errString:   constants.ErrMsgBadDigest,
+			expectedErr: s3err.ErrBadDigest,
+		},
+		{
+			name:        "Directory exists error",
+			errString:   "existing /path/to/file is a directory",
+			expectedErr: s3err.ErrExistingObjectIsDirectory,
+		},
+		{
+			name:        "File exists error",
+			errString:   "/path/to/file is a file",
+			expectedErr: s3err.ErrExistingObjectIsFile,
+		},
+		{
+			name:        "Unknown error",
+			errString:   "some random error",
+			expectedErr: s3err.ErrInternalError,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			result := filerErrorToS3Error(tt.errString)
+			if result != tt.expectedErr {
+				t.Errorf("filerErrorToS3Error(%q) = %v, want %v", tt.errString, result, tt.expectedErr)
+			}
+		})
+	}
+}