1 files changed, 50 insertions, 0 deletions
diff --git a/container-search/src/test/java/com/yahoo/search/logging/LocalDiskLoggerTest.java b/container-search/src/test/java/com/yahoo/search/logging/LocalDiskLoggerTest.java
new file mode 100644
index 00000000000..bf6938424d7
--- /dev/null
+++ b/container-search/src/test/java/com/yahoo/search/logging/LocalDiskLoggerTest.java
@@ -0,0 +1,50 @@
+// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+
+package com.yahoo.search.logging;
+
+import com.yahoo.io.IOUtils;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.io.TempDir;
+
+import java.io.File;
+import java.io.FileReader;
+import java.io.IOException;
+import java.nio.file.Path;
+import java.util.Base64;
+
+import static org.junit.jupiter.api.Assertions.assertTrue;
+import static org.junit.jupiter.api.Assertions.fail;
+
+public class LocalDiskLoggerTest {
+
+    @TempDir
+    Path tempDir;
+
+    @Test
+    public void testLocalDiskLogger() throws InterruptedException, IOException {
+        File logFile = tempDir.resolve("localdisklogger.log").toFile();
+
+        LocalDiskLoggerConfig.Builder builder = new LocalDiskLoggerConfig.Builder();
+        builder.path(logFile.getAbsolutePath());
+        LocalDiskLogger logger = new LocalDiskLogger(builder.build());
+
+        logger.newEntry()
+                .blob("Yo entry".getBytes())
+                .send();
+        waitForFile(logFile);
+
+        String test = IOUtils.readAll(new FileReader(logFile));
+        assertTrue(test.contains(Base64.getEncoder().encodeToString("Yo entry".getBytes())));
+    }
+
+    private void waitForFile(File file) throws InterruptedException {
+        int waitFor = 10;
+        while ( ! file.exists() && --waitFor > 0) {
+            Thread.sleep(10);
+        }
+        if ( ! file.exists()) {
+            fail("Local disk logger file was not created");
+        }
+    }
+
+}