/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.ambari.view.pig.test;
import org.apache.ambari.view.pig.HDFSTest;
import org.apache.ambari.view.pig.resources.files.FileResource;
import org.apache.ambari.view.pig.resources.files.FileService;
import org.apache.ambari.view.pig.utils.FilePaginator;
import org.json.simple.JSONObject;
import org.junit.*;
import javax.servlet.http.HttpServletResponse;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.UriBuilder;
import javax.ws.rs.core.UriInfo;
import java.io.IOException;
import java.net.URI;
import java.util.UUID;
import static org.easymock.EasyMock.*;
public class FileTest extends HDFSTest {
private final static int PAGINATOR_PAGE_SIZE = 4;
private FileService fileService;
@Override
@Before
public void setUp() throws Exception {
super.setUp();
fileService = getService(FileService.class, handler, context);
FilePaginator.setPageSize(PAGINATOR_PAGE_SIZE);
}
@BeforeClass
public static void startUp() throws Exception {
HDFSTest.startUp(); // super
}
@AfterClass
public static void shutDown() throws Exception {
HDFSTest.shutDown(); // super
FileService.setHdfsApi(null); //cleanup API connection
}
private Response doCreateFile() throws IOException, InterruptedException {
replay(handler, context);
return doCreateFile("luke", "i'm your father");
}
private Response doCreateFile(String name, String content) throws IOException, InterruptedException {
return doCreateFile(name, content, "/tmp/");
}
private Response doCreateFile(String name, String content, String filePath) throws IOException, InterruptedException {
FileService.FileResourceRequest request = new FileService.FileResourceRequest();
request.file = new FileResource();
request.file.setFilePath(filePath + name);
request.file.setFileContent(content);
HttpServletResponse resp_obj = createNiceMock(HttpServletResponse.class);
resp_obj.setHeader(eq("Location"), anyString());
UriInfo uriInfo = createNiceMock(UriInfo.class);
URI uri = UriBuilder.fromUri("http://host/a/b").build();
expect(uriInfo.getAbsolutePath()).andReturn(uri);
replay(resp_obj, uriInfo);
return fileService.createFile(request, resp_obj, uriInfo);
}
@Test
public void testCreateFile() throws IOException, InterruptedException {
String name = UUID.randomUUID().toString().replaceAll("-", "");
Response response = doCreateFile(name, "12323");
Assert.assertEquals(204, response.getStatus());
String name2 = UUID.randomUUID().toString().replaceAll("-", "");
Response response2 = doCreateFile(name2, "12323");
Assert.assertEquals(204, response2.getStatus());
}
@Test
public void testCreateFilePathNotExists() throws IOException, InterruptedException {
Response response = doCreateFile("Luke", null, "/non/existent/path/");
Assert.assertEquals(204, response.getStatus()); // path created automatically
Response response2 = doCreateFile("Leia", null, "/tmp/");
Assert.assertEquals(204, response2.getStatus());
Response response3 = doCreateFile("Leia", null, "/tmp/"); // file already exists
Assert.assertEquals(400, response3.getStatus());
}
@Test
public void testUpdateFileContent() throws Exception {
String name = UUID.randomUUID().toString().replaceAll("-", "");
String filePath = "/tmp/" + name;
Response createdFile = doCreateFile(name, "some content");
FileService.FileResourceRequest request = new FileService.FileResourceRequest();
request.file = new FileResource();
request.file.setFilePath(filePath);
request.file.setFileContent("1234567890"); // 10 bytes, 3*(4b page)
Response response = fileService.updateFile(request, filePath);
Assert.assertEquals(204, response.getStatus());
Response response2 = fileService.getFile(filePath, 0L);
Assert.assertEquals(200, response2.getStatus());
JSONObject obj = ((JSONObject) response2.getEntity());
Assert.assertTrue(obj.containsKey("file"));
Assert.assertEquals("1234", ((FileResource) obj.get("file")).getFileContent());
}
@Test
public void testPagination() throws Exception {
String name = UUID.randomUUID().toString().replaceAll("-", "");
String filePath = "/tmp/" + name;
doCreateFile(name, "1234567890");
Response response = fileService.getFile(filePath, 0L);
Assert.assertEquals(200, response.getStatus());
JSONObject obj = ((JSONObject) response.getEntity());
Assert.assertTrue(obj.containsKey("file"));
Assert.assertEquals("1234", ((FileResource) obj.get("file")).getFileContent());
Assert.assertEquals(3, ((FileResource) obj.get("file")).getPageCount());
Assert.assertEquals(0, ((FileResource) obj.get("file")).getPage());
Assert.assertTrue(((FileResource) obj.get("file")).isHasNext());
Assert.assertEquals(filePath, ((FileResource) obj.get("file")).getFilePath());
response = fileService.getFile(filePath, 1L);
Assert.assertEquals(200, response.getStatus());
obj = ((JSONObject) response.getEntity());
Assert.assertEquals("5678", ((FileResource) obj.get("file")).getFileContent());
Assert.assertEquals(1, ((FileResource) obj.get("file")).getPage());
Assert.assertTrue(((FileResource) obj.get("file")).isHasNext());
response = fileService.getFile(filePath, 2L);
Assert.assertEquals(200, response.getStatus());
obj = ((JSONObject) response.getEntity());
Assert.assertEquals("90", ((FileResource) obj.get("file")).getFileContent());
Assert.assertEquals(2, ((FileResource) obj.get("file")).getPage());
Assert.assertFalse(((FileResource) obj.get("file")).isHasNext());
response = fileService.getFile(filePath, 3L);
Assert.assertEquals(400, response.getStatus()); //page not found
}
@Test
public void testZeroLengthFile() throws Exception {
String name = UUID.randomUUID().toString().replaceAll("-", "");
String filePath = "/tmp/" + name;
doCreateFile(name, "");
Response response = fileService.getFile(filePath, 0L);
Assert.assertEquals(200, response.getStatus());
JSONObject obj = ((JSONObject) response.getEntity());
Assert.assertEquals("", ((FileResource) obj.get("file")).getFileContent());
Assert.assertEquals(0, ((FileResource) obj.get("file")).getPage());
Assert.assertFalse(((FileResource) obj.get("file")).isHasNext());
}
@Test
public void testFileNotFound() throws IOException, InterruptedException {
Response response1 = fileService.getFile("/tmp/notExistentFile", 2L);
Assert.assertEquals(404, response1.getStatus());
}
@Test
public void testDeleteFile() throws IOException, InterruptedException {
String name = UUID.randomUUID().toString().replaceAll("-", "");
String filePath = "/tmp/" + name;
Response createdFile = doCreateFile(name, "some content");
Response response = fileService.deleteFile(filePath);
Assert.assertEquals(204, response.getStatus());
Response response2 = fileService.getFile(filePath, 0L);
Assert.assertEquals(404, response2.getStatus());
}
}