@Test
public void testLaterConfigsOverrideEarlier() {
Map<String, String> map1 = new HashMap<String, String>();
map1.put("A", "2");
map1.put("D", "5");
Map<String, String> map2 = new HashMap<String, String>();
String newValueForA = "3", newValueForB = "4";
map2.put("A", newValueForA);
map2.put("B", newValueForB);
CompoundConfiguration compoundConf =
new CompoundConfiguration().addStringMap(map1).add(baseConf);
assertEquals("1", compoundConf.get("A"));
assertEquals("5", compoundConf.get("D"));
compoundConf.addStringMap(map2);
assertEquals(newValueForA, compoundConf.get("A"));
assertEquals(newValueForB, compoundConf.get("B"));
assertEquals("5", compoundConf.get("D"));
int cnt = 0;
for (Map.Entry<String, String> entry : compoundConf) {
cnt++;
if (entry.getKey().equals("A")) assertEquals(newValueForA, entry.getValue());
else if (entry.getKey().equals("B")) assertEquals(newValueForB, entry.getValue());
}
// verify that entries from ImmutableConfigMap's are merged in the iterator's view
assertEquals(baseConfSize + 1, cnt);
}
@Test
public void testWithStringMap() {
Map<String, String> map = new HashMap<String, String>();
map.put("B", "2b");
map.put("C", "33");
map.put("D", "4");
// unlike config, note that IBW Maps can accept null values
map.put("G", null);
CompoundConfiguration compoundConf = new CompoundConfiguration().addStringMap(map);
assertEquals("2b", compoundConf.get("B"));
assertEquals(33, compoundConf.getInt("C", 0));
assertEquals("4", compoundConf.get("D"));
assertEquals(4, compoundConf.getInt("D", 0));
assertNull(compoundConf.get("E"));
assertEquals(6, compoundConf.getInt("F", 6));
assertNull(compoundConf.get("G"));
int cnt = 0;
for (Map.Entry<String, String> entry : compoundConf) {
cnt++;
if (entry.getKey().equals("B")) assertEquals("2b", entry.getValue());
else if (entry.getKey().equals("G")) assertEquals(null, entry.getValue());
}
// verify that entries from ImmutableConfigMap's are merged in the iterator's view
assertEquals(4, cnt);
// Verify that adding map after compound configuration is modified overrides properly
CompoundConfiguration conf2 = new CompoundConfiguration();
conf2.set("X", "modification");
conf2.set("D", "not4");
assertEquals("modification", conf2.get("X"));
assertEquals("not4", conf2.get("D"));
conf2.addStringMap(map);
assertEquals("4", conf2.get("D")); // map overrides
}