feat(store): add database path accessor

Co-Authored-By: Virgil <virgil@lethean.io>

store.go

@@ -139,6 +139,14 @@ func (storeInstance *Store) Config() StoreConfig {
 	}
 }
 
+// Usage example: `databasePath := storeInstance.DatabasePath(); fmt.Println(databasePath)`
+func (storeInstance *Store) DatabasePath() string {
+	if storeInstance == nil {
+		return ""
+	}
+	return storeInstance.databasePath
+}
+
 // Usage example: `storeInstance, err := store.New(":memory:", store.WithPurgeInterval(20*time.Millisecond))`
 func WithPurgeInterval(interval time.Duration) StoreOption {
 	return func(config *StoreConfig) {

store_test.go

@@ -145,6 +145,16 @@ func TestStore_Config_Good(t *testing.T) {
 	}, storeInstance.Config())
 }
 
+func TestStore_DatabasePath_Good(t *testing.T) {
+	databasePath := testPath(t, "database-path.db")
+
+	storeInstance, err := New(databasePath)
+	require.NoError(t, err)
+	defer storeInstance.Close()
+
+	assert.Equal(t, databasePath, storeInstance.DatabasePath())
+}
+
 func TestStore_NewConfigured_Good(t *testing.T) {
 	storeInstance, err := NewConfigured(StoreConfig{
 		DatabasePath: ":memory:",