Initial project import

tools/v/vlib/db/mysql/utils_test.v

@@ -0,0 +1,22 @@
+// vtest build: started_mysqld?
+module mysql
+
+import json
+
+struct MysqlErrorPayload {
+	data string
+}
+
+fn test_clone_mysql_cstring_keeps_json_encodable_error_text() {
+	mut backing :=
+		"Incorrect string value: 'undefined' for function uuid_to_bin; code: 1411".bytes()
+	backing << u8(0)
+	msg := clone_mysql_cstring(backing.data)
+
+	backing[0] = 0xff
+
+	assert msg == "Incorrect string value: 'undefined' for function uuid_to_bin; code: 1411"
+	assert json.encode(MysqlErrorPayload{
+		data: msg
+	}) == '{"data":"Incorrect string value: \'undefined\' for function uuid_to_bin; code: 1411"}'
+}