/**
* Copyright (c) 2013-2014, jcabi.com
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met: 1) Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer. 2) 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. 3) Neither the name of the jcabi.com 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 OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER 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; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.jcabi.github;
import com.jcabi.http.Request;
import com.jcabi.http.mock.MkAnswer;
import com.jcabi.http.mock.MkContainer;
import com.jcabi.http.mock.MkGrizzlyContainer;
import com.jcabi.http.request.ApacheRequest;
import java.net.HttpURLConnection;
import java.util.Iterator;
import java.util.NoSuchElementException;
import javax.json.Json;
import javax.json.JsonObject;
import org.hamcrest.MatcherAssert;
import org.hamcrest.Matchers;
import org.junit.Test;
/**
* Test case for {@link RtPagination}.
*
* @author Giang Le (giang@vn-smartsolutions.com)
* @version $Id$
*/
public final class RtPaginationTest {
/**
* RtPagination can jump to next page of results.
*
* @throws Exception if there is any problem
*/
@Test
public void jumpNextPage() throws Exception {
final MkContainer container = new MkGrizzlyContainer().next(
RtPaginationTest.simple("Hi Jeff")
.withHeader("Link", "</s?page=3&per_page=100>; rel=\"next\"")
).next(RtPaginationTest.simple("Hi Mark")).start();
final Request request = new ApacheRequest(container.home());
final RtPagination<JsonObject> page = new RtPagination<JsonObject>(
request, new RtPagination.Mapping<JsonObject, JsonObject>() {
@Override
public JsonObject map(final JsonObject object) {
return object;
}
}
);
final Iterator<JsonObject> iterator = page.iterator();
MatcherAssert.assertThat(
iterator.next().toString(),
Matchers.containsString("Jeff")
);
MatcherAssert.assertThat(
iterator.next().toString(),
Matchers.containsString("Mark")
);
container.stop();
}
/**
* RtPagination can throw if there is no more elements in pagination.
*
* @throws Exception if there is any problem
*/
@Test(expected = NoSuchElementException.class)
public void throwsIfNoMoreElement() throws Exception {
final MkContainer container = new MkGrizzlyContainer()
.next(simple("Hi there")).start();
try {
final Request request = new ApacheRequest(container.home());
final RtPagination<JsonObject> page = new RtPagination<JsonObject>(
request, new RtPagination.Mapping<JsonObject, JsonObject>() {
@Override
public JsonObject map(final JsonObject object) {
return object;
}
}
);
final Iterator<JsonObject> iterator = page.iterator();
iterator.next();
MatcherAssert.assertThat(
iterator.next(),
Matchers.notNullValue()
);
} finally {
container.stop();
}
}
/**
* Create and return MkAnswer.Simple to test.
* @param msg Message to build MkAnswer.Simple
* @return MkAnswer.Simple
* @throws Exception If some problem inside
*/
private static MkAnswer.Simple simple(final String msg) throws Exception {
final String message = Json.createArrayBuilder()
.add(Json.createObjectBuilder().add("msg", msg))
.build().toString();
return new MkAnswer.Simple(HttpURLConnection.HTTP_OK, message);
}
}