config returns a value, so we can assert corrrect JSON syntax

src/config.pkg

@@ -3,8 +3,8 @@ $#include "bind_config.h"
 module eressea {
   module config {
     void config_reset @ reset(void);
-    void config_read @ read(const char *filename);
+    int config_read @ read(const char *filename);
-    void config_parse @ parse(const char *json);
+    int config_parse @ parse(const char *json);
   }
 }
 

src/config.pkg.c

@@ -64,10 +64,11 @@ static int tolua_config_eressea_config_read00(lua_State* tolua_S)
  {
   const char* filename = ((const char*)  tolua_tostring(tolua_S,1,0));
  {
-  config_read(filename);
+  int tolua_ret = (int)  config_read(filename);
+ tolua_pushnumber(tolua_S,(lua_Number)tolua_ret);
  }
  }
- return 0;
+ return 1;
 #ifndef TOLUA_RELEASE
  tolua_lerror:
  tolua_error(tolua_S,"#ferror in function 'read'.",&tolua_err);
@@ -90,10 +91,11 @@ static int tolua_config_eressea_config_parse00(lua_State* tolua_S)
  {
   const char* json = ((const char*)  tolua_tostring(tolua_S,1,0));
  {
-  config_parse(json);
+  int tolua_ret = (int)  config_parse(json);
+ tolua_pushnumber(tolua_S,(lua_Number)tolua_ret);
  }
  }
- return 0;
+ return 1;
 #ifndef TOLUA_RELEASE
  tolua_lerror:
  tolua_error(tolua_S,"#ferror in function 'parse'.",&tolua_err);

tests/ships.lua

@@ -3,7 +3,7 @@ require "lunit"
 module("tests.ships", package.seeall, lunit.testcase)
 
 function setup()
-    eressea.free_game()
+    eressea.game.reset()
     eressea.settings.set("nmr.removenewbie", "0")
     eressea.settings.set("nmr.timeout", "0")
     eressea.settings.set("rules.ships.storms", "0")
@@ -39,11 +39,16 @@ function setup()
             "de" : {
                 "move" : "NACH"
             }
+        },
+        "strings" : {
+            "de" : {
+                "harbour" : "Hafen"
+            }
         }
     }]]
 
     eressea.config.reset()
-    eressea.config.parse(conf)
+    assert(eressea.config.parse(conf)==0)
 end
 
 function test_sail_oceans()