diff options
Diffstat (limited to 'sca-java-1.x/tags/1.6/samples/feed-aggregator/src/test/java/feed/FeedAggregatorTestCase.java')
-rw-r--r-- | sca-java-1.x/tags/1.6/samples/feed-aggregator/src/test/java/feed/FeedAggregatorTestCase.java | 358 |
1 files changed, 358 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/1.6/samples/feed-aggregator/src/test/java/feed/FeedAggregatorTestCase.java b/sca-java-1.x/tags/1.6/samples/feed-aggregator/src/test/java/feed/FeedAggregatorTestCase.java new file mode 100644 index 0000000000..7eb52d95f1 --- /dev/null +++ b/sca-java-1.x/tags/1.6/samples/feed-aggregator/src/test/java/feed/FeedAggregatorTestCase.java @@ -0,0 +1,358 @@ +/* + * 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 feed; + +import java.io.IOException; +import java.io.Reader; +import java.text.SimpleDateFormat; +import java.util.ArrayList; +import java.util.Collections; +import java.util.Date; +import java.util.List; + +import junit.framework.Assert; + +import org.apache.abdera.Abdera; +import org.apache.abdera.model.Base; +import org.apache.abdera.model.Collection; +import org.apache.abdera.model.Document; +import org.apache.abdera.model.Entry; +import org.apache.abdera.model.Feed; +import org.apache.abdera.parser.Parser; +import org.apache.abdera.protocol.Response.ResponseType; +import org.apache.abdera.protocol.client.AbderaClient; +import org.apache.abdera.protocol.client.ClientResponse; +import org.apache.abdera.protocol.client.RequestOptions; +import org.apache.abdera.writer.Writer; +import org.apache.abdera.writer.WriterFactory; +import org.apache.tuscany.sca.host.embedded.SCADomain; +import org.junit.AfterClass; +import org.junit.BeforeClass; +import org.junit.Test; + +/** + * Tests use of server provided feed entity tags for Atom binding in Tuscany. + * Tests conditional gets (e.g. get if-none-match) or conditional posts (post + * if-match) using entity tags and last modified entries in headers. Uses the + * SCA provided Provider composite to act as a server. Uses the Abdera provided + * Client to act as a client. + */ +public class FeedAggregatorTestCase { + public final static String providerURI = "http://localhost:8083/atomAggregator"; + protected static SCADomain scaProviderDomain; + protected static Abdera abdera; + protected static AbderaClient client; + protected static Parser abderaParser; + protected static String eTag; + protected static Date lastModified; + protected static long contentLength; + protected static int numberEntries; + protected static final SimpleDateFormat dateFormat = new SimpleDateFormat("EEE, dd MMM yyyy HH:mm:ss Z"); // RFC822 date time + + @BeforeClass + public static void init() throws Exception { + try { + System.out.println(">>>FeedAggregatorTest.init"); + scaProviderDomain = SCADomain.newInstance("FeedAggregator.composite"); + abdera = new Abdera(); + client = new AbderaClient(abdera); + abderaParser = Abdera.getNewParser(); + } catch (Throwable e) { + System.out.println(e); + e.printStackTrace(); + } + } + + @AfterClass + public static void destroy() throws Exception { + System.out.println(">>>FeedAggregatorTest.destroy"); + scaProviderDomain.close(); + } + + @Test + public void testPrelim() throws Exception { + Assert.assertNotNull(scaProviderDomain); + Assert.assertNotNull(client); + } + + @Test + public void testFeedBasics() throws Exception { + System.out.println(">>>FeedAggregatorTest.testFeedBasics"); + RequestOptions opts = new RequestOptions(); + // Normal feed request + ClientResponse res = client.get(providerURI, opts); + Assert.assertNotNull(res); + try { + // Assert feed provided since no predicates + Assert.assertEquals(200, res.getStatus()); + Assert.assertEquals(ResponseType.SUCCESS, res.getType()); + // AtomTestCaseUtils.printResponseHeaders( "Feed response headers:", + // " ", res ); + + // Perform other tests on feed. + contentLength = getContentLength(res); + System.out.println("FeedAggregatorTest.testFeedBasics full contentLength=" + contentLength); + + Document<Feed> doc = res.getDocument(); + Assert.assertNotNull(doc); + Feed feed = doc.getRoot(); + Assert.assertNotNull(feed); + + // printFeed( "Feed values", " ", feed ); + // RFC 4287 requires non-null id, title, updated elements + Assert.assertNotNull(feed.getId()); + Assert.assertNotNull(feed.getTitle()); + Assert.assertNotNull(feed.getUpdated()); + + eTag = res.getHeader("ETag"); + Assert.assertNotNull(eTag); + lastModified = res.getLastModified(); + Assert.assertNotNull(lastModified); + + numberEntries = getEntryCount(feed); + System.out.println("FeedAggregatorTest.testFeedBasics number entries=" + numberEntries); + + // printFeed( "Aggregated Feed Contents:", " ", feed ); + // System.out.println( "FeedAggregatorTest.testFeedBasics feed=" + + // feed ); + // printResponseHeaders( "Aggregated Feed response headers:", " ", + // res ); + // System.out.println("Aggregated Feed response body:"); + // prettyPrint(abdera, res.getDocument()); + // printEntryUpdates( "Aggregated Feed feed updates", " ", feed ); + } finally { + res.release(); + } + } + + @Test + public void testUnmodifiedGetIfModified() throws Exception { + System.out.println(">>>FeedAggregatorTest.testFeedUnmodifiedGetIfModified"); + // Feed request with predicates + RequestOptions opts = new RequestOptions(); + final String contentType = "application/atom+xml"; + opts.setContentType(contentType); + opts.setHeader("If-Modified-Since", dateFormat.format(new Date(0))); + + ClientResponse res = client.get(providerURI, opts); + Assert.assertNotNull(res); + try { + // Should return 200 - Feed provided since feed is changed. + Assert.assertEquals(200, res.getStatus()); + Assert.assertEquals(ResponseType.SUCCESS, res.getType()); + + String thisETag = res.getHeader("ETag"); + Assert.assertNotNull(thisETag); + Date thisLastModified = res.getLastModified(); + Assert.assertNotNull(thisLastModified); + + // Entry count and body size should be equal to basic request + long thisContentLength = getContentLength(res); + + Document<Feed> doc = res.getDocument(); + Assert.assertNotNull(doc); + Feed feed = doc.getRoot(); + Assert.assertNotNull(feed); + int thisNumberEntries = getEntryCount(feed); + // System.out.println( + // "FeedAggregatorTest.UnmodifiedGetIfModified number entries=" + + // numberEntries + ", this number entries=" + thisNumberEntries ) ; + } finally { + res.release(); + } + } + + @Test + public void testUnmodifiedGetIfUnModified() throws Exception { + System.out.println(">>>FeedAggregatorTest.testFeedUnmodifiedGetIfUnModified"); + // Feed request with predicates + RequestOptions opts = new RequestOptions(); + final String contentType = "application/atom+xml"; + opts.setContentType(contentType); + opts.setHeader("If-Unmodified-Since", dateFormat.format(new Date(0))); + + ClientResponse res = client.get(providerURI, opts); + Assert.assertNotNull(res); + try { + // Should return 304 - Feed not provided since feed is modified + // since. + Assert.assertEquals(304, res.getStatus()); + + // Entry count and body size should be equal to basic request + long thisContentLength = getContentLength(res); + System.out + .println("FeedAggregatorTest.UnModifiedGetIfUnModified saved " + (contentLength - thisContentLength) + + " bytes of network traffic due to caching."); + } finally { + res.release(); + } + } + + /** Print feed vital fields. */ + public static void printFeed(String title, String indent, Feed feed) { + if (feed == null) { + System.out.println(title + " feed is null"); + return; + } + + System.out.println(title); + System.out.println(indent + "id=" + feed.getId()); + System.out.println(indent + "title=" + feed.getTitle()); + System.out.println(indent + "updated=" + feed.getUpdated()); + System.out.println(indent + "author=" + feed.getAuthor()); + System.out.println(indent + "self link=" + feed.getSelfLink()); + Collection collection = feed.getCollection(); + if (collection == null) { + System.out.println(indent + "collection=null"); + } else { + System.out.println(indent + "collection=" + collection); + } + } + + /* Print headers of request. */ + public static void printRequestHeaders(String title, String indent, RequestOptions request) { + System.out.println(title); + if (request == null) { + System.out.println(indent + " request is null"); + return; + } + String[] headerNames = request.getHeaderNames(); + for (String headerName : headerNames) { + String header = request.getHeader(headerName); + System.out.println(indent + " header name,value=" + headerName + "," + header); + } + } + + /* Print headers of response. */ + public static void printResponseHeaders(String title, String indent, ClientResponse response) { + System.out.println(title); + if (response == null) { + System.out.println(indent + " response is null"); + return; + } + String[] headerNames = response.getHeaderNames(); + for (String headerName : headerNames) { + String header = response.getHeader(headerName); + System.out.println(indent + " header name,value=" + headerName + "," + header); + } + + } + + /** Pretty print the document body. */ + public static void prettyPrint(Abdera abdera, Base doc) throws IOException { + WriterFactory factory = abdera.getWriterFactory(); + Writer writer = factory.getWriter("prettyxml"); + writer.writeTo(doc, System.out); + System.out.println(); + } + + /** Print the updated elements of the feed entries. */ + public static void printEntryUpdates(String title, String indent, Feed feed) { + if (feed == null) { + System.out.println(title + " feed is null"); + return; + } + + System.out.println(title); + List<Entry> entries = feed.getEntries(); + if (entries == null) { + System.out.println(indent + " null entries"); + } + System.out.println(indent + "entries size=" + entries.size()); + + int i = 0; + for (Entry entry : entries) { + String entryTitle = entry.getTitle(); + if ((entryTitle != null) && (entryTitle.length() > 20)) + entryTitle = entryTitle.substring(0, 20); + // System.out.println( indent + i++ + ": title=\"" + entryTitle + + // "\", updated=" + entry.getUpdated() + ", published=" + + // entry.getPublished() ); + System.out.println(indent + i++ + ": title=\"" + entryTitle + "\", updated=" + entry.getUpdated()); + } + } + + /** Get the length of the response body content. */ + public static long getContentLength(ClientResponse response) { + // getContentLenght returns -1 + // contentLength = response.getContentLength(); + try { + Reader reader = response.getReader(); + long actualSkip = reader.skip(Long.MAX_VALUE); + return actualSkip; + } catch (IOException e) { + } + return -1L; + } + + /** Get a count of entries in the feed. */ + public static int getEntryCount(Feed feed) { + if (feed == null) { + return 0; + } + + List<Entry> entries = feed.getEntries(); + if (entries == null) { + return 0; + } + return entries.size(); + } + + /** + * Given a feed, determine the median point of the entries. Use the updated + * field of the entries to determine median. + * + * @param feed + * @return + */ + public static Date getUpdatedMedian(Feed feed) { + Date sentinal = null; + if (feed == null) { + return sentinal; + } + + List<Entry> entries = feed.getEntries(); + if (entries == null) { + return sentinal; + } + int size = entries.size(); + if (size == 0) { + return sentinal; + } + // System.out.println( "getUpdatedMedian entries size=" + + // entries.size()); + ArrayList<Date> updates = new ArrayList<Date>(size); + + for (Entry entry : entries) { + Date entryUpdated = entry.getUpdated(); + if (entryUpdated == null) { + entryUpdated = new Date(0); + } + updates.add(entryUpdated); + } + Collections.sort(updates); + // System.out.println( "getUpdatedMedian entry min update=" + + // updates.get( 0 )); + // System.out.println( "getUpdatedMedian entry max update=" + + // updates.get( size - 1 )); + Date median = updates.get(size / 2); + // System.out.println( "getUpdatedMedian entry max median=" + median ); + return median; + } +} |