/**
* 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.gora.filter;
import static org.junit.Assert.*;
import java.io.ByteArrayInputStream;
import java.io.DataInputStream;
import java.io.IOException;
import org.apache.avro.util.Utf8;
import org.apache.gora.examples.generated.WebPage;
import org.apache.hadoop.io.WritableUtils;
import org.junit.Test;
public class TestMapFieldValueFilter {
@Test
public void testSerialization() throws IOException {
MapFieldValueFilter<String, WebPage> filter = new MapFieldValueFilter<String, WebPage>();
//set filter field name as metadata
filter.setFieldName(WebPage.Field.METADATA.toString());
filter.setMapKey(new Utf8("fetchTime"));
filter.setFilterOp(FilterOp.EQUALS);
filter.setFilterIfMissing(true);
filter.getOperands().add(new Utf8("http://example.org"));
byte[] byteArray = WritableUtils.toByteArray(filter);
MapFieldValueFilter<String, WebPage> filter2 = new MapFieldValueFilter<String, WebPage>();
filter2.readFields(new DataInputStream(new ByteArrayInputStream(byteArray)));
assertEquals(filter.getFieldName(), filter2.getFieldName());
assertEquals(filter.getMapKey(), filter2.getMapKey());
assertEquals(filter.getFilterOp(), filter2.getFilterOp());
assertArrayEquals(filter.getOperands().toArray(), filter2.getOperands().toArray());
assertEquals(filter.isFilterIfMissing(), filter2.isFilterIfMissing());
}
@Test
public void testFilterBasics() {
MapFieldValueFilter<String, WebPage> filter = new MapFieldValueFilter<String, WebPage>();
//set filter field name as outlinks
filter.setFieldName(WebPage.Field.OUTLINKS.toString());
filter.setMapKey(new Utf8("example"));
filter.setFilterOp(FilterOp.EQUALS);
filter.setFilterIfMissing(true);
filter.getOperands().add(new Utf8("http://example.org"));
WebPage page = WebPage.newBuilder().build();
page.getOutlinks().put(new Utf8("example"), new Utf8("http://example.org"));
assertFalse(filter.filter("irrelevant", page));
page.getOutlinks().put(new Utf8("example"), new Utf8("http://example2.com"));
assertTrue(filter.filter("irrelevant", page));
page = new WebPage();
assertTrue(filter.filter("irrelevant", page));
filter.setFilterIfMissing(false);
assertFalse(filter.filter("irrelevant", page));
}
@Test
public void testFilterEntryInMap() {
MapFieldValueFilter<String, WebPage> filter = new MapFieldValueFilter<String, WebPage>();
//set filter field name as outlinks
filter.setFieldName(WebPage.Field.OUTLINKS.toString());
filter.setMapKey(new Utf8("foobar.whatever"));
filter.setFilterOp(FilterOp.EQUALS);
filter.setFilterIfMissing(true);
filter.getOperands().add(new Utf8("Click here for foobar!"));
WebPage page = WebPage.newBuilder().build();
assertTrue(filter.filter("irrelevant", page));
page.getOutlinks().put(new Utf8("foobar.whatever"), new Utf8("Mismatch!"));
assertTrue(filter.filter("irrelevant", page));
page.getOutlinks().put(new Utf8("foobar.whatever"), new Utf8("Click here for foobar!"));
assertFalse(filter.filter("irrelevant", page));
}
}