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* 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
*
* 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
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package org.apache.streams.rss.test;
import org.apache.streams.jackson.StreamsJacksonMapper;
import org.apache.streams.rss.FeedDetails;
import org.apache.streams.rss.RssStreamConfiguration;
import org.apache.streams.rss.provider.RssStreamProvider;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.node.ObjectNode;
import org.apache.commons.lang.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.testng.Assert;
import org.testng.annotations.Test;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.LineNumberReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.util.ArrayList;
import java.util.List;
import static org.hamcrest.number.OrderingComparison.greaterThan;
public class RssStreamProviderIT {
private static final Logger LOGGER = LoggerFactory.getLogger(RssStreamProviderIT.class);
private ObjectMapper mapper = StreamsJacksonMapper.getInstance();
@Test
public void testRssStreamProvider() throws Exception {
final String configfile = "./target/test-classes/RssStreamProviderIT.conf";
final String outfile = "./target/test-classes/RssStreamProviderIT.stdout.txt";
InputStream is = RssStreamProviderIT.class.getResourceAsStream("/top100.txt");
InputStreamReader isr = new InputStreamReader(is);
BufferedReader br = new BufferedReader(isr);
RssStreamConfiguration configuration = new RssStreamConfiguration();
List<FeedDetails> feedArray = new ArrayList<>();
try {
while (br.ready()) {
String line = br.readLine();
if (!StringUtils.isEmpty(line)) {
feedArray.add(new FeedDetails().withUrl(line).withPollIntervalMillis(5000L));
}
}
configuration.setFeeds(feedArray);
} catch ( Exception ex ) {
ex.printStackTrace();
Assert.fail();
}
org.junit.Assert.assertThat(configuration.getFeeds().size(), greaterThan(70));
OutputStream os = new FileOutputStream(configfile);
OutputStreamWriter osw = new OutputStreamWriter(os);
BufferedWriter bw = new BufferedWriter(osw);
// write conf
ObjectNode feedsNode = mapper.convertValue(configuration, ObjectNode.class);
JsonNode configNode = mapper.createObjectNode().set("rss", feedsNode);
bw.write(mapper.writeValueAsString(configNode));
bw.flush();
bw.close();
File config = new File(configfile);
assert (config.exists());
assert (config.canRead());
assert (config.isFile());
RssStreamProvider.main(new String[]{configfile, outfile});
File out = new File(outfile);
assert (out.exists());
assert (out.canRead());
assert (out.isFile());
FileReader outReader = new FileReader(out);
LineNumberReader outCounter = new LineNumberReader(outReader);
while (outCounter.readLine() != null) {}
assert (outCounter.getLineNumber() >= 200);
}
}