}
}
@Test
public void testJson() throws IOException {
ClientConfig config = new ClientConfig();
JsonLog4jFormatter formatter = new JsonLog4jFormatter(config);
Map<String, Object> logEvent = Maps.newHashMap();
logEvent.put("field1", "value1");
logEvent.put("field2", 100);
LoggingEvent event = mock(LoggingEvent.class);
when(event.getLevel()).thenReturn(Level.INFO);
when(event.getLoggerName()).thenReturn("TestLogger");
when(event.getMessage()).thenReturn(logEvent);
when(event.getThrowableStrRep()).thenReturn(new String[]{"StackTrace0", "StackTrace1"});
Map<String, Object> formattedEvent = new DefaultObjectMapper().readValue(
formatter.format(event),
new TypeReference<Map<String, Object>>(){});
assertEquals(formattedEvent.get("field1"), "value1");
assertEquals(formattedEvent.get("field2"), 100);
assertEquals(formattedEvent.get("logLevel"), "INFO");
assertEquals(formattedEvent.get("class"), "TestLogger");
assertEquals(formattedEvent.get("Exception").toString(), "[StackTrace0, StackTrace1]");
// can't compare datetime because of millisecond
// just check the time with minute
DateTime now = new DateTime();
DateTimeFormatter fmt = DateTimeFormat.forPattern(config.getLog4jDateTimeFormat());
String nowStr = fmt.print(now);
assertEquals(nowStr.split(":")[0]+nowStr.split(":")[1],
((String)formattedEvent.get("datetime")).split(":")[0] + ((String)formattedEvent.get("datetime")).split(":")[1]);
}