From e98b116f351925d9d16010d6182034baa34ec83c Mon Sep 17 00:00:00 2001
From: Georgii Troitskii <gtroitsk@redhat.com>
Date: Mon, 26 Aug 2024 00:00:39 +0200
Subject: [PATCH] Verify log file rotation for periods longer than day

https://github.com/quarkusio/quarkus/issues/40016
---
 .../quarkus/ts/logging/jboss/LogResource.java |  5 ++
 .../src/main/resources/application.properties |  5 ++
 .../logging/jboss/DefaultMinLogLevelIT.java   | 52 +++++++++++++++++++
 3 files changed, 62 insertions(+)

diff --git a/logging/jboss/src/main/java/io/quarkus/ts/logging/jboss/LogResource.java b/logging/jboss/src/main/java/io/quarkus/ts/logging/jboss/LogResource.java
index 06d2164caa..b7bf5333d4 100644
--- a/logging/jboss/src/main/java/io/quarkus/ts/logging/jboss/LogResource.java
+++ b/logging/jboss/src/main/java/io/quarkus/ts/logging/jboss/LogResource.java
@@ -1,5 +1,6 @@
 package io.quarkus.ts.logging.jboss;
 
+import jakarta.enterprise.context.ApplicationScoped;
 import jakarta.inject.Inject;
 import jakarta.ws.rs.GET;
 import jakarta.ws.rs.POST;
@@ -51,6 +52,10 @@ public void logExample() {
         LOG.info("Info log example");
         LOG.debug("Debug log example");
         LOG.trace("Trace log example");
+
+        for (int i = 0; i < 10; i++) {
+            LOG.info("Example log message: " + i);
+        }
     }
 
     private void addLogMessage(Logger logger, String level, String message) {
diff --git a/logging/jboss/src/main/resources/application.properties b/logging/jboss/src/main/resources/application.properties
index 636d32f2b9..98b089a58c 100644
--- a/logging/jboss/src/main/resources/application.properties
+++ b/logging/jboss/src/main/resources/application.properties
@@ -8,3 +8,8 @@
 # By default min-level is set to DEBUG
 #quarkus.log.min-level=DEBUG
 quarkus.log.level=TRACE
+
+quarkus.log.file.enable=true
+quarkus.log.file.rotation.file-suffix=.yyyy-MM
+quarkus.log.file.rotation.max-file-size=100
+quarkus.log.file.rotation.max-backup-index=2
diff --git a/logging/jboss/src/test/java/io/quarkus/ts/logging/jboss/DefaultMinLogLevelIT.java b/logging/jboss/src/test/java/io/quarkus/ts/logging/jboss/DefaultMinLogLevelIT.java
index 7647529e66..aad9dc0520 100644
--- a/logging/jboss/src/test/java/io/quarkus/ts/logging/jboss/DefaultMinLogLevelIT.java
+++ b/logging/jboss/src/test/java/io/quarkus/ts/logging/jboss/DefaultMinLogLevelIT.java
@@ -1,5 +1,19 @@
 package io.quarkus.ts.logging.jboss;
 
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.UncheckedIOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.time.LocalDate;
+import java.time.format.DateTimeFormatter;
+import java.util.List;
+import java.util.concurrent.TimeUnit;
+
+import org.awaitility.Awaitility;
 import org.junit.jupiter.api.Test;
 
 import io.quarkus.test.bootstrap.RestService;
@@ -9,6 +23,11 @@
 @QuarkusScenario
 public class DefaultMinLogLevelIT {
 
+    private static final String LOG_FILE_NAME = "quarkus.log";
+    private static final DateTimeFormatter DATE_FORMATTER = DateTimeFormatter.ofPattern("yyyy-MM");
+    private static final String EXPECTED_LOG_MESSAGE = "Example log message";
+    private final String LOG_DIR = "target/" + this.getClass().getSimpleName() + "/app";
+
     @QuarkusApplication
     static RestService app = new RestService();
 
@@ -25,4 +44,37 @@ public void checkDefaultLogMinLevel() {
         // the value of minimum logging level overrides the logging level
         app.logs().assertDoesNotContain("Trace log example");
     }
+
+    // Verifies https://github.com/quarkusio/quarkus/issues/40016
+    @Test
+    public void checkLogRotationContent() throws IOException {
+        app.given().when().get("/log").then().statusCode(204);
+
+        Awaitility.await().atMost(10, TimeUnit.SECONDS).until(() -> {
+            File logDir = new File(LOG_DIR);
+            File[] rotatedFiles = logDir.listFiles((dir, name) -> name.startsWith(LOG_FILE_NAME));
+            return rotatedFiles != null && rotatedFiles.length > 1;
+        });
+
+        // Verify that the rotated file with the expected suffix exists
+        String expectedSuffix = "." + DATE_FORMATTER.format(LocalDate.now()) + "\\.\\d+$";
+        Path logDirPath = Path.of(LOG_DIR);
+        List<Path> rotatedFiles = Files.list(logDirPath)
+                .filter(path -> path.getFileName().toString().matches(LOG_FILE_NAME + expectedSuffix)).toList();
+
+        assertFalse(rotatedFiles.isEmpty(), "Rotated log file with expected suffix not found.");
+
+        // Check if any rotated file contains the log message
+        boolean messageFound = rotatedFiles.stream()
+                .flatMap(rotatedFile -> {
+                    try {
+                        return Files.lines(rotatedFile);
+                    } catch (IOException e) {
+                        throw new UncheckedIOException(e);
+                    }
+                })
+                .anyMatch(line -> line.contains(EXPECTED_LOG_MESSAGE));
+
+        assertTrue(messageFound, "Rotated log files do not contain the expected message " + EXPECTED_LOG_MESSAGE);
+    }
 }