/** Test the custom pattern */
@Test
public void testCustomPattern() {
final List<PatternFormatter> formatters = parser.parse(customPattern);
assertNotNull(formatters);
final Map<String, String> mdc = new HashMap<>();
mdc.put("loginId", "Fred");
final Throwable t = new Throwable();
final StackTraceElement[] elements = t.getStackTrace();
final Log4jLogEvent event =
Log4jLogEvent.newBuilder() //
.setLoggerName("org.apache.logging.log4j.PatternParserTest") //
.setMarker(MarkerManager.getMarker("TEST")) //
.setLoggerFqcn(Logger.class.getName()) //
.setLevel(Level.INFO) //
.setMessage(new SimpleMessage("Hello, world")) //
.setContextMap(mdc) //
.setThreadName("Thread1") //
.setSource(elements[0])
.setTimeMillis(System.currentTimeMillis())
.build();
final StringBuilder buf = new StringBuilder();
for (final PatternFormatter formatter : formatters) {
formatter.format(event, buf);
}
final String str = buf.toString();
final String expected =
"INFO [PatternParserTest :100 ] - Hello, world" + Strings.LINE_SEPARATOR;
assertTrue("Expected to end with: " + expected + ". Actual: " + str, str.endsWith(expected));
}
private void testNestedPatternHighlight(final Level level, final String expectedStart) {
final List<PatternFormatter> formatters = parser.parse(nestedPatternHighlight);
assertNotNull(formatters);
final Throwable t = new Throwable();
t.getStackTrace();
final LogEvent event =
Log4jLogEvent.newBuilder() //
.setLoggerName("org.apache.logging.log4j.PatternParserTest") //
.setMarker(MarkerManager.getMarker("TEST")) //
.setLoggerFqcn(Logger.class.getName()) //
.setLevel(level) //
.setMessage(new SimpleMessage("Hello, world")) //
.setThreadName("Thread1") //
.setSource(/*stackTraceElement[0]*/ null) //
.setTimeMillis(System.currentTimeMillis()) //
.build();
final StringBuilder buf = new StringBuilder();
for (final PatternFormatter formatter : formatters) {
formatter.format(event, buf);
}
final String str = buf.toString();
final String expectedEnd =
String.format("] %-5s: Hello, world%s\u001B[m", level, Strings.LINE_SEPARATOR);
assertTrue(
"Expected to start with: " + expectedStart + ". Actual: " + str,
str.startsWith(expectedStart));
assertTrue(
"Expected to end with: \"" + expectedEnd + "\". Actual: \"" + str,
str.endsWith(expectedEnd));
}
@Test
public void testBadPattern() {
final Calendar cal = Calendar.getInstance();
cal.set(2001, Calendar.FEBRUARY, 3, 4, 5, 6);
cal.set(Calendar.MILLISECOND, 789);
final long timestamp = cal.getTimeInMillis();
final List<PatternFormatter> formatters = parser.parse(badPattern);
assertNotNull(formatters);
final Throwable t = new Throwable();
final StackTraceElement[] elements = t.getStackTrace();
final LogEvent event =
Log4jLogEvent.newBuilder() //
.setLoggerName("a.b.c") //
.setLoggerFqcn(Logger.class.getName()) //
.setLevel(Level.INFO) //
.setMessage(new SimpleMessage("Hello, world")) //
.setThreadName("Thread1") //
.setSource(elements[0]) //
.setTimeMillis(timestamp) //
.build();
final StringBuilder buf = new StringBuilder();
for (final PatternFormatter formatter : formatters) {
formatter.format(event, buf);
}
final String str = buf.toString();
// eats all characters until the closing '}' character
final String expected = "[2001-02-03 04:05:06,789] - Hello, world";
assertTrue(
"Expected to start with: " + expected + ". Actual: " + str, str.startsWith(expected));
}
public void format(LogEvent event, StringBuilder toAppendTo) {
StringBuilder buf = new StringBuilder();
for (PatternFormatter formatter : this.formatters) {
formatter.format(event, buf);
}
toAppendTo.append(this.pattern.matcher(buf.toString()).replaceAll(this.substitution));
}
@Test
public void testPatternTruncateFromEnd() {
final List<PatternFormatter> formatters = parser.parse(patternTruncateFromEnd);
assertNotNull(formatters);
final LogEvent event =
Log4jLogEvent.newBuilder() //
.setLoggerName("org.apache.logging.log4j.PatternParserTest") //
.setLoggerFqcn(Logger.class.getName()) //
.setLevel(Level.INFO) //
.setMessage(new SimpleMessage("Hello, world")) //
.setThreadName("Thread1") //
.setTimeMillis(System.currentTimeMillis()) //
.build();
final StringBuilder buf = new StringBuilder();
for (final PatternFormatter formatter : formatters) {
formatter.format(event, buf);
}
final String str = buf.toString();
final String expected = "INFO org.a Hello, world" + Strings.LINE_SEPARATOR;
assertTrue("Expected to end with: " + expected + ". Actual: " + str, str.endsWith(expected));
}