LOG4J2-2983 - Add unit test to validate reported scenario
diff --git a/log4j-core/src/test/java/org/apache/logging/log4j/core/appender/rolling/RollingAppenderCronOnStartupTest.java b/log4j-core/src/test/java/org/apache/logging/log4j/core/appender/rolling/RollingAppenderCronOnStartupTest.java
new file mode 100644
index 0000000..f7a1687
--- /dev/null
+++ b/log4j-core/src/test/java/org/apache/logging/log4j/core/appender/rolling/RollingAppenderCronOnStartupTest.java
@@ -0,0 +1,107 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache license, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the license for the specific language governing permissions and
+ * limitations under the license.
+ */
+package org.apache.logging.log4j.core.appender.rolling;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.PrintStream;
+import java.nio.file.Files;
+import java.time.LocalDate;
+import java.time.format.DateTimeFormatter;
+import java.util.Arrays;
+import java.util.List;
+
+import org.apache.logging.log4j.Logger;
+import org.apache.logging.log4j.core.LoggerContext;
+import org.apache.logging.log4j.core.config.Configurator;
+import org.junit.Test;
+import org.junit.jupiter.api.AfterAll;
+import org.junit.jupiter.api.AfterEach;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+
+/**
+ *
+ */
+public class RollingAppenderCronOnStartupTest {
+
+ private static final String CONFIG = "log4j-rolling-cron-onStartup.xml";
+ private static final String DIR = "target/rolling-cron-onStartup";
+ private static final String FILE = "target/rolling-cron-onStartup/rollingtest.log";
+ private static final DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd");
+
+ private LoggerContext context;
+
+ @AfterAll
+ public static void after() {
+ File dir = new File(DIR);
+ if (dir.exists()) {
+ cleanDir(dir);
+ dir.delete();
+ }
+
+ }
+
+ @AfterEach
+ public void afterEach() {
+ if (context != null) {
+ context.stop();
+ }
+ }
+
+ @Test
+ public void testAppender() throws Exception {
+ final File dir = new File(DIR);
+ if (dir.exists()) {
+ cleanDir(dir);
+ } else {
+ dir.mkdirs();
+ }
+ final File file = new File(FILE);
+ String today = formatter.format(LocalDate.now());
+ final File rolled = new File(DIR + "/test1-" + today + ".log");
+ PrintStream ps = new PrintStream(new FileOutputStream(file));
+ ps.println("This is a line2");
+ ps.close();
+ ps = new PrintStream(new FileOutputStream(rolled));
+ ps.println("This is a line 1");
+ ps.close();
+ assertTrue("Log file does not exist", file.exists());
+ assertTrue("Log file does not exist", rolled.exists());
+ LoggerContext lc = Configurator.initialize("Test", CONFIG);
+ final Logger logger = lc.getLogger(RollingAppenderCronOnStartupTest.class);
+ logger.info("This is line 3");
+ File[] files = dir.listFiles();
+ assertNotNull("No files", files);
+ assertEquals("Unexpected number of files. Expected 2 but found " + files.length, 2,
+ files.length);
+ List<String> lines = Files.readAllLines(file.toPath());
+ assertEquals("Unexpected number of lines. Expected 2: Actual: " + lines.size(), 2, lines.size());
+ lines = Files.readAllLines(rolled.toPath());
+ assertEquals("Unexpected number of lines. Expected 1: Actual: " + lines.size(), 1, lines.size());
+ }
+
+ private static void cleanDir(File dir) {
+ File[] files = dir.listFiles();
+ if (files != null) {
+ Arrays.stream(files).forEach(File::delete);
+ }
+ }
+
+}
diff --git a/log4j-core/src/test/resources/log4j-rolling-cron-onStartup.xml b/log4j-core/src/test/resources/log4j-rolling-cron-onStartup.xml
new file mode 100644
index 0000000..89fdacb
--- /dev/null
+++ b/log4j-core/src/test/resources/log4j-rolling-cron-onStartup.xml
@@ -0,0 +1,47 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ Licensed to the Apache Software Foundation (ASF) under one or more
+ contributor license agreements. See the NOTICE file distributed with
+ this work for additional information regarding copyright ownership.
+ The ASF licenses this file to You under the Apache License, Version 2.0
+ (the "License"); you may not use this file except in compliance with
+ the License. You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+
+-->
+<Configuration status="WARN" name="RollingCronTest">
+ <Properties>
+ <Property name="baseDir">target/rolling-cron-onStartup</Property>
+ <Property name="filename">/rollingtest.log</Property>
+ </Properties>
+
+ <Appenders>
+ <RollingFile name="RollingFile" fileName="${baseDir}/${filename}" filePattern="${baseDir}/test1-%d{yyyy-MM-dd}.log"
+ append="true" immediateFlush="true">
+ <PatternLayout>
+ <Pattern>%d{MMM dd, yyyy HH:mm:ss a} %c %M %p: %m%n</Pattern>
+ </PatternLayout>
+ <CronTriggeringPolicy schedule="0 0 0 * * ?" evaluateOnStartup="true"/>
+ <DefaultRolloverStrategy>
+ <Delete basePath="${baseDir}">
+ <IfFileName glob="test1-*.log" />
+ <IfLastModified age="15d" />
+ </Delete>
+ </DefaultRolloverStrategy>
+ </RollingFile>
+ </Appenders>
+
+ <Loggers>
+ <Root level="info">
+ <AppenderRef ref="RollingFile"/>
+ </Root>
+ </Loggers>
+
+</Configuration>
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