Simplify exception assertions for Android tests

Author: gudzpoz

example/suite/src/main/java/party/iroiro/luajava/LuaScriptSuite.java

@@ -19,12 +19,20 @@
 import static party.iroiro.luajava.Lua.LuaError.RUNTIME;
 
 public class LuaScriptSuite<T extends AbstractLua> {
-    private static final String LUA_ASSERT_THROWS = "function assertThrows(message, fun, ...)\n" +
-                                                    "  ok, msg = pcall(fun, ...)\n" +
-                                                    "  assert(not ok, debug.traceback('No error while expecting \"' .. message .. '\"'))\n" +
-                                                    "  assert(type(msg) == 'string', debug.traceback('Expecting error message on top of the stack'))\n" +
-                                                    "  assert(string.find(msg, message) ~= nil, debug.traceback('Expecting \"' .. message .. '\": Received \"' .. msg .. '\"'))\n" +
-                                                    "end";
+    private static final String LUA_ASSERT_THROWS = "\n" +
+            "function assertThrows(message, fun, ...)\n" +
+            "  ok, msg = pcall(fun, ...)\n" +
+            "  messages = type(message) == 'string' and { message } or message\n" +
+            "  message = '\"' .. table.concat(messages, ', ') .. '\"'\n" +
+            "  assert(not ok, debug.traceback('No error while expecting ' .. message))\n" +
+            "  assert(type(msg) == 'string', debug.traceback('Expecting error message on top of the stack'))\n" +
+            "  for _, m in ipairs(messages) do\n" +
+            "    if string.find(msg, m) ~= nil then\n" +
+            "      return\n" +
+            "    end\n" +
+            "  end\n" +
+            "  assert(false, debug.traceback('Expecting ' .. message .. ': Received \"' .. msg .. '\"'))\n" +
+            "end";
     private final T L;
     private final LuaTestConsumer<String> logger;
 
@@ -43,6 +51,7 @@ public LuaScriptSuite(T L, LuaTestConsumer<String> logger) {
     public static void addAssertThrows(Lua L) {
         L.openLibrary("string");
         L.openLibrary("debug");
+        L.openLibrary("table");
         assertEquals(OK, L.run(LUA_ASSERT_THROWS));
         L.push(DefaultProxyTest.isDefaultAvailable() && !(isLuaJ(L)));
         L.setGlobal("JAVA8");

example/suite/src/main/resources/suite/proxyTest.lua

@@ -50,14 +50,13 @@ assertThrows('java.lang.IncompatibleClassChangeError',
 
 -- java.* libraries: runs fine on Android
 iter = java.proxy('java.util.Iterator', iterImpl)
-expects = 'party.iroiro.luajava.LuaException: method not implemented: '
-if JAVA8 then
-  expects = 'java.lang.UnsupportedOperationException'
-end
-if LUAJ then
-  expects = 'invokespecial not available'
-end
-assertThrows(ANDROID and "UnsupportedOperationException" or expects, iter.remove, iter)
+expects = {
+  'java.lang.UnsupportedOperationException',
+  'java.lang.IncompatibleClassChangeError',
+  'method not implemented',
+  'invokespecial not available',
+}
+assertThrows(expects, iter.remove, iter)
 res = {}
 if JAVA8 then
   iter:forEachRemaining(function(this, e) res[e] = true end)
@@ -78,7 +77,7 @@ B = java.proxy('party.iroiro.luajava.suite.B', 'party.iroiro.luajava.DefaultProx
     if JAVA8 and not ANDROID then
       return java.method(B, 'party.iroiro.luajava.suite.B:b')()
     else
-      assertThrows(LUAJ and expects or 'java.lang.IncompatibleClassChangeError', java.method(B, 'party.iroiro.luajava.suite.B:b'))
+      assertThrows(expects, java.method(B, 'party.iroiro.luajava.suite.B:b'))
       return 3
     end
   end
@@ -114,8 +113,7 @@ obj = java.proxy('party.iroiro.luajava.DefaultProxyTest.D', {
     if JAVA8 and not ANDROID then
       assert(java.method(iter, 'party.iroiro.luajava.DefaultProxyTest.D:noReturn')() == nil)
     else
-      assertThrows(LUAJ and expects or 'java.lang.IncompatibleClassChangeError',
-                   java.method(iter, 'party.iroiro.luajava.DefaultProxyTest.D:noReturn'))
+      assertThrows(expects, java.method(iter, 'party.iroiro.luajava.DefaultProxyTest.D:noReturn'))
     end
   end
 })