added unit tests for file storage

java/com.sap.sse.filestorage.test/src/com/sap/sse/filestorage/test/AmazonS3Test.java

@@ -0,0 +1,35 @@
+package com.sap.sse.filestorage.test;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.net.URL;
+
+import org.apache.commons.io.IOUtils;
+import org.junit.Test;
+
+import com.sap.sse.filestorage.FileStorageService;
+import com.sap.sse.filestorage.impl.AmazonS3FileStorageServiceImpl;
+
+public class AmazonS3Test {
+    private final String teamImageFile = "Bundesliga2014_Regatta6_eventteaser.jpg";
+    private final FileStorageService storageService = new AmazonS3FileStorageServiceImpl();
+    
+    @Test
+    public void testStoreAndRemoveFileTest() throws URISyntaxException, IOException {
+        URL fileUrl = getClass().getResource("/" + teamImageFile);
+        URI fileUri = new URI(fileUrl.toString());
+        long length = new File(fileUri).length();
+        InputStream stream = getClass().getResourceAsStream("/" + teamImageFile);
+
+        URI uri = storageService.storeFile(stream, teamImageFile, length);
+        
+        InputStream downloadStream = uri.toURL().openStream();
+        stream = getClass().getResourceAsStream("/" + teamImageFile);
+        IOUtils.contentEquals(downloadStream, stream);
+        
+        storageService.removeFile(uri);
+    }
+}