1 files changed, 75 insertions, 0 deletions
diff --git a/config-proxy/src/test/java/com/yahoo/vespa/config/proxy/filedistribution/CachedFilesMaintainerTest.java b/config-proxy/src/test/java/com/yahoo/vespa/config/proxy/filedistribution/CachedFilesMaintainerTest.java
new file mode 100644
index 00000000000..4ac48d23e18
--- /dev/null
+++ b/config-proxy/src/test/java/com/yahoo/vespa/config/proxy/filedistribution/CachedFilesMaintainerTest.java
@@ -0,0 +1,75 @@
+// Copyright 2019 Oath Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package com.yahoo.vespa.config.proxy.filedistribution;
+
+import com.yahoo.io.IOUtils;
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.TemporaryFolder;
+
+import java.io.File;
+import java.io.IOException;
+import java.time.Duration;
+import java.time.Instant;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+
+/**
+ * @author hmusum
+ */
+public class CachedFilesMaintainerTest {
+
+    private File cachedFileReferences;
+    private File cachedDownloads;
+    private CachedFilesMaintainer cachedFilesMaintainer;
+
+    @Rule
+    public TemporaryFolder tempFolder = new TemporaryFolder();
+
+    @Before
+    public void setup() throws IOException {
+        cachedFileReferences = tempFolder.newFolder();
+        cachedDownloads = tempFolder.newFolder();
+        cachedFilesMaintainer = new CachedFilesMaintainer(cachedFileReferences, cachedDownloads, Duration.ofMinutes(1));
+    }
+
+    @Test
+    public void require_old_files_to_be_deleted() throws IOException {
+        runMaintainerAndAssertFiles(0, 0);
+
+        File fileReference = writeFile(cachedFileReferences, "fileReference");
+        File download = writeFile(cachedDownloads, "download");
+        runMaintainerAndAssertFiles(1, 1);
+
+        updateLastModifiedTimeStamp(fileReference, Instant.now().minus(Duration.ofMinutes(10)));
+        runMaintainerAndAssertFiles(0, 1);
+
+        updateLastModifiedTimeStamp(download, Instant.now().minus(Duration.ofMinutes(10)));
+        runMaintainerAndAssertFiles(0, 0);
+    }
+
+    private void updateLastModifiedTimeStamp(File file, Instant instant) {
+        if (!file.setLastModified(instant.toEpochMilli())) {
+            throw new RuntimeException("Could not set last modified timestamp for '" + file.getAbsolutePath() + "'");
+        }
+    }
+
+    private void runMaintainerAndAssertFiles(int fileReferenceCount, int downloadCount) {
+        cachedFilesMaintainer.run();
+        File[] fileReferences = cachedFileReferences.listFiles();
+        assertNotNull(fileReferences);
+        assertEquals(fileReferenceCount, fileReferences.length);
+
+        File[] downloads = cachedDownloads.listFiles();
+        assertNotNull(downloads);
+        assertEquals(downloadCount, downloads.length);
+    }
+
+    private File writeFile(File directory, String filename) throws IOException {
+        File file = new File(directory, filename);
+        IOUtils.writeFile(file, filename, false);
+        return file;
+    }
+
+}