@Test public void testPutMultipleKeys() throws Exception { List<String> keys = ImmutableList.of( "putMultipleKey1", "putMultipleKey2", "putMultipleKey3", "putMultipleKey4"); Map<String, String> toAdd = ImmutableMap.of( "putMultipleKey1", "value1", "putMultipleKey2", "value2", "putMultipleKey3", "value3"); Map<String, Optional<?>> expected = ImmutableMap.of( "putMultipleKey1", Optional.of("value1"), "putMultipleKey2", Optional.of("value2"), "putMultipleKey3", Optional.of("value3"), "putMultipleKey4", Optional.absent()); LocalLookupConfig conf = new LocalLookupConfig(); LocalStore localStore = new LocalStore(conf); localStore.putAll(toAdd); Map<String, Optional<String>> values = localStore.get(keys); localStore.close(); assertEquals(keys.size(), values.size()); assertEquals(expected.toString(), values.toString()); }