@Test
public void testInvokeWithUnexpectedReturnType() throws Exception {
final String code = "module Cantaloupe\n" + "def self.func\n" + "[]\n" + "end\n" + "end";
instance.load(code);
String function = "Cantaloupe::func";
try {
Map result = (Map) instance.invoke(function);
fail("Shouldn't be able to cast an array to a map");
} catch (ClassCastException e) {
// pass
}
}
@Test
public void testMethodExists() throws Exception {
final String code =
"module Cantaloupe\n"
+ "def self.func(arg)\n"
+ "end\n"
+ "def self.func2\n"
+ "end\n"
+ "end";
instance.load(code);
assertTrue(instance.methodExists("func"));
assertFalse(instance.methodExists("bogus"));
}
@Test
public void testInvoke() throws Exception {
final String code =
"module Cantaloupe\n"
+ "SOMETHING = 1\n"
+ "def self.func(arg)\n"
+ "arg\n"
+ "end\n"
+ "end";
instance.load(code);
final String function = "func";
for (int i = 0; i < 3; i++) {
String[] args = {String.valueOf(i)};
String result = (String) instance.invoke(function, args);
assertEquals(String.valueOf(i), result);
}
}
@Test
public void testSerializeAsRuby() throws Exception {
final List<Object> collection1 = new ArrayList<>();
collection1.add(123);
final List<Object> collection2 = new ArrayList<>();
collection2.add(645);
collection2.add(collection1);
collection2.add("dog's");
// LinkedHashMap preserves order for testability
final Map<Object, Object> map1 = new LinkedHashMap<>();
map1.put("key1", 123);
final Map<Object, Object> map2 = new LinkedHashMap<>();
map2.put("key1", 645);
map2.put(152, map1);
map2.put("cat's", "dog's");
map2.put(new File("/dev/null"), "bla"); // object as key
final List<Object> args = new ArrayList<>();
args.add(null); // null
args.add("it's"); // string
args.add(5362); // int
args.add(53.62f); // float
args.add(true); // boolean
args.add(false); // boolean
args.add(new ArrayList<>()); // empty collection
args.add(collection2); // collection
args.add(new HashMap<>()); // empty map
args.add(map2); // map
args.add(new File("/dev/null")); // Object
assertEquals(
"[nil, 'it\\'s', 5362, 53.62, true, false, "
+ "[], [645, [123], 'dog\\'s'], "
+ "{}, {'key1' => 645, '152' => {'key1' => 123}, 'cat\\'s' => 'dog\\'s', '/dev/null' => 'bla'}, "
+ "'/dev/null']",
instance.serializeAsRuby(args));
}