@Test public void memoryLoss() { DuplicateMessageFilter dmf = new DuplicateMessageFilter(); dmf.setAllowedRepetitions(1); dmf.setCacheSize(1); dmf.start(); assertEquals(FilterReply.NEUTRAL, dmf.decide(null, null, null, "a", null, null)); assertEquals(FilterReply.NEUTRAL, dmf.decide(null, null, null, "b", null, null)); assertEquals(FilterReply.NEUTRAL, dmf.decide(null, null, null, "a", null, null)); }
@Test public void shouldOnlyConsiderRawMessage() { final DuplicateMessageFilter dmf = new DuplicateMessageFilter(); dmf.setAllowedRepetitions(5); dmf.start(); assertThat(logMessage(dmf, MESSAGE, customerId("1"))).isEqualTo(FilterReply.NEUTRAL); assertThat(logMessage(dmf, MESSAGE, customerId("2"))).isEqualTo(FilterReply.NEUTRAL); assertThat(logMessage(dmf, MESSAGE, customerId("3"))).isEqualTo(FilterReply.NEUTRAL); assertThat(logMessage(dmf, MESSAGE, customerId("4"))).isEqualTo(FilterReply.NEUTRAL); assertThat(logMessage(dmf, MESSAGE, customerId("5"))).isEqualTo(FilterReply.NEUTRAL); assertThat(logMessage(dmf, MESSAGE, customerId("6"))).isEqualTo(FilterReply.NEUTRAL); // messages are denied since the repetitions have been exceeded // due to customerId being ignored // resulting in the messages being considered the same assertThat(logMessage(dmf, MESSAGE, customerId("7"))).isEqualTo(FilterReply.DENY); assertThat(logMessage(dmf, MESSAGE, customerId("8"))).isEqualTo(FilterReply.DENY); }
@Test // isXXXEnabled invokes decide with a null format // http://jira.qos.ch/browse/LBCLASSIC-134 public void nullFormat() { DuplicateMessageFilter dmf = new DuplicateMessageFilter(); dmf.setAllowedRepetitions(0); dmf.setCacheSize(10); dmf.start(); assertEquals(FilterReply.NEUTRAL, dmf.decide(null, null, null, null, null, null)); assertEquals(FilterReply.NEUTRAL, dmf.decide(null, null, null, null, null, null)); }
@Test public void smoke() { DuplicateMessageFilter dmf = new DuplicateMessageFilter(); dmf.setAllowedRepetitions(0); dmf.start(); assertEquals(FilterReply.NEUTRAL, dmf.decide(null, null, null, "x", null, null)); assertEquals(FilterReply.NEUTRAL, dmf.decide(null, null, null, "y", null, null)); assertEquals(FilterReply.DENY, dmf .decide(null, null, null, "x", null, null)); assertEquals(FilterReply.DENY, dmf .decide(null, null, null, "y", null, null)); }
@Test public void many() { DuplicateMessageFilter dmf = new DuplicateMessageFilter(); dmf.setAllowedRepetitions(0); int cacheSize = 10; int margin = 2; dmf.setCacheSize(cacheSize); dmf.start(); for (int i = 0; i < cacheSize + margin; i++) { assertEquals(FilterReply.NEUTRAL, dmf.decide(null, null, null, "a" + i, null, null)); } for (int i = cacheSize - 1; i >= margin; i--) { assertEquals(FilterReply.DENY, dmf.decide(null, null, null, "a" + i, null, null)); } for (int i = margin - 1; i >= 0; i--) { assertEquals(FilterReply.NEUTRAL, dmf.decide(null, null, null, "a" + i, null, null)); } }
@Test public void shouldAllowRepetitionsWhenCacheSizeExceeded() { final DuplicateMessageFilter dmf = new DuplicateMessageFilter(); dmf.setAllowedRepetitions(5); dmf.setCacheSize(2); dmf.start(); assertThat(logMessage(dmf, MESSAGE, customerId("1"))).isEqualTo(FilterReply.NEUTRAL); assertThat(logMessage(dmf, MESSAGE, customerId("2"))).isEqualTo(FilterReply.NEUTRAL); assertThat(logMessage(dmf, MESSAGE, customerId("3"))).isEqualTo(FilterReply.NEUTRAL); assertThat(logMessage(dmf, MESSAGE, customerId("4"))).isEqualTo(FilterReply.NEUTRAL); assertThat(logMessage(dmf, MESSAGE, customerId("5"))).isEqualTo(FilterReply.NEUTRAL); assertThat(logMessage(dmf, MESSAGE, customerId("6"))).isEqualTo(FilterReply.NEUTRAL); // exceed the cache assertThat(logMessage(dmf, "Another message", null)).isEqualTo(FilterReply.NEUTRAL); assertThat(logMessage(dmf, "Yet another message", null)).isEqualTo(FilterReply.NEUTRAL); // messages are accepted since the cache has been exceeded assertThat(logMessage(dmf, MESSAGE, customerId("7"))).isEqualTo(FilterReply.NEUTRAL); assertThat(logMessage(dmf, MESSAGE, customerId("8"))).isEqualTo(FilterReply.NEUTRAL); }