/*
    * Copyright (C) 2015, Matthias Sohn <matthias.sohn@sap.com>
    * and other copyright owners as documented in the project's IP log.
    *
    * This program and the accompanying materials are made available
    * under the terms of the Eclipse Distribution License v1.0 which
    * accompanies this distribution, is reproduced below, and is
    * available at http://www.eclipse.org/org/documents/edl-v10.php
    *
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or
   * without modification, are permitted provided that the following
   * conditions are met:
   *
   * - Redistributions of source code must retain the above copyright
   *   notice, this list of conditions and the following disclaimer.
   *
   * - Redistributions in binary form must reproduce the above
   *   copyright notice, this list of conditions and the following
   *   disclaimer in the documentation and/or other materials provided
   *   with the distribution.
   *
   * - Neither the name of the Eclipse Foundation, Inc. nor the
   *   names of its contributors may be used to endorse or promote
   *   products derived from this software without specific prior
   *   written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
   * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
   * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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   * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
   * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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  package org.eclipse.jgit.lfs.server.fs;
  
  import static org.apache.http.HttpStatus.SC_NOT_FOUND;
  import static org.apache.http.HttpStatus.SC_UNPROCESSABLE_ENTITY;
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.fail;
  
  import java.io.IOException;
  import java.nio.file.Path;
  import java.nio.file.Paths;
  import java.text.MessageFormat;
  
  import org.apache.http.client.ClientProtocolException;
  import org.eclipse.jgit.lfs.lib.AnyLongObjectId;
  import org.eclipse.jgit.lfs.test.LongObjectIdTestUtils;
  import org.eclipse.jgit.util.FileUtils;
  import org.junit.Test;
  
  public class DownloadTest extends LfsServerTest {
  
  	@Test
  	public void testDownload() throws Exception {
  		String TEXT = "test";
  		AnyLongObjectId id = putContent(TEXT);
  		Path f = Paths.get(getTempDirectory().toString(), "download");
  		long len = getContent(id, f);
  		assertEquals(TEXT.length(), len);
  		FileUtils.delete(f.toFile(), FileUtils.RETRY);
  	}
  
  	@Test
  	public void testDownloadInvalidPathInfo()
  			throws ClientProtocolException, IOException {
  		String TEXT = "test";
  		String id = putContent(TEXT).name().substring(0, 60);
  		Path f = Paths.get(getTempDirectory().toString(), "download");
  		try {
  			getContent(id, f);
  			fail("expected RuntimeException");
  		} catch (RuntimeException e) {
  			String error = String.format(
  					"Invalid pathInfo '/%s' does not match '/{SHA-256}'", id);
  			assertEquals(formatErrorMessage(SC_UNPROCESSABLE_ENTITY, error),
  					e.getMessage());
  		}
  	}
  
  	@Test
  	public void testDownloadInvalidId()
  			throws ClientProtocolException, IOException {
  		String TEXT = "test";
  		String id = putContent(TEXT).name().replace('f', 'z');
  		Path f = Paths.get(getTempDirectory().toString(), "download");
  		try {
  			getContent(id, f);
  			fail("expected RuntimeException");
  		} catch (RuntimeException e) {
 			String error = String.format("Invalid id: : %s", id);
 			assertEquals(formatErrorMessage(SC_UNPROCESSABLE_ENTITY, error),
 					e.getMessage());
 		}
 	}
 
 	@Test
 	public void testDownloadNotFound()
 			throws ClientProtocolException, IOException {
 		String TEXT = "test";
 		AnyLongObjectId id = LongObjectIdTestUtils.hash(TEXT);
 		Path f = Paths.get(getTempDirectory().toString(), "download");
 		try {
 			getContent(id, f);
 			fail("expected RuntimeException");
 		} catch (RuntimeException e) {
 			String error = String.format("Object '%s' not found", id.getName());
 			assertEquals(formatErrorMessage(SC_NOT_FOUND, error),
 					e.getMessage());
 		}
 	}
 
 	@SuppressWarnings("boxing")
 	@Test
 	public void testLargeFileDownload() throws Exception {
 		Path f = Paths.get(getTempDirectory().toString(), "largeRandomFile");
 		long expectedLen = createPseudoRandomContentFile(f, 5 * MiB);
 		AnyLongObjectId id = putContent(f);
 		Path f2 = Paths.get(getTempDirectory().toString(), "download");
 		long start = System.nanoTime();
 		long len = getContent(id, f2);
 		System.out.println(
 				MessageFormat.format("dowloaded 10 MiB random data in {0}ms",
 						(System.nanoTime() - start) / 1e6));
 		assertEquals(expectedLen, len);
 		FileUtils.delete(f.toFile(), FileUtils.RETRY);
 
 	}
 
 	@SuppressWarnings("boxing")
 	private String formatErrorMessage(int status, String message) {
 		return String.format("Status: %d {\n  \"message\": \"%s\"\n}", status,
 				message);
 	}
 }