dbscore: add openFull and test

1 files changed, 14 insertions, 3 deletions

diff --git a/dbstore/dbstore.go b/dbstore/dbstore.go
index 0ab6fcf..11ad02c 100644
--- a/dbstore/dbstore.go
+++ b/dbstore/dbstore.go
@@ -13,22 +13,33 @@ import (
 //go:embed sql
 var sqlFs embed.FS
 
+// sqlite3 backing store
 type DbStore struct {
   db *db_sql.DB
 }
 
-// open database
-func Open(path string) (DbStore, error) {
+// Open database.
+//
+// This function is called by Open().  It is a separate package-private
+// function to make Open() easier to test.
+func openFull(dbType, path string) (DbStore, error) {
   var r DbStore
+
   // init db
-  if db, err := db_sql.Open("sqlite3", path); err != nil {
+  if db, err := db_sql.Open(dbType, path); err != nil {
     return r, err
   } else {
+    // save handle
     r.db = db
     return r, nil
   }
 }
 
+// Open database
+func Open(path string) (DbStore, error) {
+  return openFull("sqlite3", path)
+}
+
 // initialized database version
 const initDbVersion = 314159