Add BsonDFromSlice, Add AssertDeepEqual

struct_test.go

@@ -3,8 +3,26 @@ package commons
 import (
   "fmt"
   "testing"
+
+  "go.mongodb.org/mongo-driver/v2/bson"
 )
 
+func TestBsonDFromSlice(t *testing.T) {
+  in := [][]any{
+    {"first", -1},
+    {"second", 1},
+  }
+
+  d := BsonDFromSlice(in)
+
+  expected := bson.D{
+    {Key: "first", Value: -1},
+    {Key: "second", Value: 1},
+  }
+
+  AssertDeepEqual(t, d, expected)
+}
+
 func TestStructHasProperty(t *testing.T) {
   type O struct {
     Name string