/*
* 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.solr.client.solrj.io.stream;
import junit.framework.Assert;
import org.apache.lucene.util.LuceneTestCase;
import org.apache.solr.client.solrj.io.ops.GroupOperation;
import org.apache.solr.client.solrj.io.stream.expr.Explanation;
import org.apache.solr.client.solrj.io.stream.expr.StreamExplanation;
import org.apache.solr.client.solrj.io.stream.expr.StreamExpression;
import org.apache.solr.client.solrj.io.stream.expr.StreamExpressionParser;
import org.apache.solr.client.solrj.io.stream.expr.StreamFactory;
import org.apache.solr.client.solrj.io.stream.metrics.CountMetric;
import org.apache.solr.client.solrj.io.stream.metrics.MaxMetric;
import org.apache.solr.client.solrj.io.stream.metrics.MeanMetric;
import org.apache.solr.client.solrj.io.stream.metrics.MinMetric;
import org.apache.solr.client.solrj.io.stream.metrics.SumMetric;
import org.junit.Test;
/**
**/
public class StreamExpressionToExplanationTest extends LuceneTestCase {
private StreamFactory factory;
public StreamExpressionToExplanationTest() {
super();
factory = new StreamFactory()
.withCollectionZkHost("collection1", "testhost:1234")
.withCollectionZkHost("collection2", "testhost:1234")
.withFunctionName("search", CloudSolrStream.class)
.withFunctionName("select", SelectStream.class)
.withFunctionName("merge", MergeStream.class)
.withFunctionName("unique", UniqueStream.class)
.withFunctionName("top", RankStream.class)
.withFunctionName("reduce", ReducerStream.class)
.withFunctionName("group", GroupOperation.class)
.withFunctionName("update", UpdateStream.class)
.withFunctionName("stats", StatsStream.class)
.withFunctionName("facet", FacetStream.class)
.withFunctionName("jdbc", JDBCStream.class)
.withFunctionName("intersect", IntersectStream.class)
.withFunctionName("complement", ComplementStream.class)
.withFunctionName("count", CountMetric.class)
.withFunctionName("sum", SumMetric.class)
.withFunctionName("min", MinMetric.class)
.withFunctionName("max", MaxMetric.class)
.withFunctionName("avg", MeanMetric.class)
.withFunctionName("daemon", DaemonStream.class)
.withFunctionName("topic", TopicStream.class)
;
}
@Test
public void testCloudSolrStream() throws Exception {
CloudSolrStream stream;
// Basic test
stream = new CloudSolrStream(StreamExpressionParser.parse("search(collection1, q=*:*, fl=\"id,a_s,a_i,a_f\", sort=\"a_f asc, a_i asc\")"), factory);
Explanation explanation = stream.toExplanation(factory);
Assert.assertEquals("search", explanation.getFunctionName());
Assert.assertEquals(CloudSolrStream.class.getName(), explanation.getImplementingClass());
}
@Test
public void testSelectStream() throws Exception {
SelectStream stream;
// Basic test
stream = new SelectStream(StreamExpressionParser.parse("select(\"a_s as fieldA\", search(collection1, q=*:*, fl=\"id,a_s,a_i,a_f\", sort=\"a_f asc, a_i asc\"))"), factory);
Explanation explanation = stream.toExplanation(factory);
Assert.assertEquals("select", explanation.getFunctionName());
Assert.assertEquals(SelectStream.class.getName(), explanation.getImplementingClass());
}
@Test
public void testDaemonStream() throws Exception {
DaemonStream stream;
// Basic test
stream = new DaemonStream(StreamExpressionParser.parse("daemon(search(collection1, q=*:*, fl=\"id,a_s,a_i,a_f\", sort=\"a_f asc, a_i asc\"), id=\"blah\", runInterval=\"1000\", queueSize=\"100\")"), factory);
Explanation explanation = stream.toExplanation(factory);
Assert.assertEquals("daemon", explanation.getFunctionName());
Assert.assertEquals(DaemonStream.class.getName(), explanation.getImplementingClass());
}
@Test
public void testTopicStream() throws Exception {
TopicStream stream;
// Basic test
stream = new TopicStream(StreamExpressionParser.parse("topic(collection2, collection1, q=*:*, fl=\"id,a_s,a_i,a_f\", id=\"blah\", checkpointEvery=1000)"), factory);
Explanation explanation = stream.toExplanation(factory);
Assert.assertEquals("topic", explanation.getFunctionName());
Assert.assertEquals(TopicStream.class.getName(), explanation.getImplementingClass());
}
@Test
public void testStatsStream() throws Exception {
StatsStream stream;
// Basic test
stream = new StatsStream(StreamExpressionParser.parse("stats(collection1, q=*:*, fl=\"id,a_s,a_i,a_f\", sort=\"a_f asc, a_i asc\", sum(a_i), avg(a_i), count(*), min(a_i), max(a_i))"), factory);
Explanation explanation = stream.toExplanation(factory);
Assert.assertEquals("stats", explanation.getFunctionName());
Assert.assertEquals(StatsStream.class.getName(), explanation.getImplementingClass());
}
@Test
public void testUniqueStream() throws Exception {
UniqueStream stream;
// Basic test
stream = new UniqueStream(StreamExpressionParser.parse("unique(search(collection1, q=*:*, fl=\"id,a_s,a_i,a_f\", sort=\"a_f asc, a_i asc\"), over=\"a_f\")"), factory);
Explanation explanation = stream.toExplanation(factory);
Assert.assertEquals("unique", explanation.getFunctionName());
Assert.assertEquals(UniqueStream.class.getName(), explanation.getImplementingClass());
}
@Test
public void testMergeStream() throws Exception {
MergeStream stream;
// Basic test
stream = new MergeStream(StreamExpressionParser.parse("merge("
+ "search(collection1, q=\"id:(0 3 4)\", fl=\"id,a_s,a_i,a_f\", sort=\"a_f asc, a_s asc\"),"
+ "search(collection1, q=\"id:(1 2)\", fl=\"id,a_s,a_i,a_f\", sort=\"a_f asc, a_s asc\"),"
+ "on=\"a_f asc, a_s asc\")"), factory);
Explanation explanation = stream.toExplanation(factory);
Assert.assertEquals("merge", explanation.getFunctionName());
Assert.assertEquals(MergeStream.class.getName(), explanation.getImplementingClass());
Assert.assertEquals(2, ((StreamExplanation)explanation).getChildren().size());
}
@Test
public void testRankStream() throws Exception {
RankStream stream;
String expressionString;
// Basic test
stream = new RankStream(StreamExpressionParser.parse("top("
+ "n=3,"
+ "search(collection1, q=*:*, fl=\"id,a_s,a_i,a_f\", sort=\"a_f asc,a_i asc\"),"
+ "sort=\"a_f asc, a_i asc\")"), factory);
Explanation explanation = stream.toExplanation(factory);
Assert.assertEquals("top", explanation.getFunctionName());
Assert.assertEquals(RankStream.class.getName(), explanation.getImplementingClass());
Assert.assertEquals(1, ((StreamExplanation)explanation).getChildren().size());
}
@Test
public void testReducerStream() throws Exception {
ReducerStream stream;
String expressionString;
// Basic test
stream = new ReducerStream(StreamExpressionParser.parse("reduce("
+ "search(collection1, q=*:*, fl=\"id,a_s,a_i,a_f\", sort=\"a_s desc, a_f asc\"),"
+ "by=\"a_s\", group(sort=\"a_i desc\", n=\"5\"))"), factory);
Explanation explanation = stream.toExplanation(factory);
Assert.assertEquals("reduce", explanation.getFunctionName());
Assert.assertEquals(ReducerStream.class.getName(), explanation.getImplementingClass());
Assert.assertEquals(1, ((StreamExplanation)explanation).getChildren().size());
}
@Test
public void testUpdateStream() throws Exception {
StreamExpression expression = StreamExpressionParser.parse("update("
+ "collection2, "
+ "batchSize=5, "
+ "search("
+ "collection1, "
+ "q=*:*, "
+ "fl=\"id,a_s,a_i,a_f\", "
+ "sort=\"a_f asc, a_i asc\"))");
UpdateStream updateStream = new UpdateStream(expression, factory);
Explanation explanation = updateStream.toExplanation(factory);
Assert.assertEquals("solr (collection2)", explanation.getFunctionName());
Assert.assertEquals("Solr/Lucene", explanation.getImplementingClass());
StreamExplanation updateExplanation = (StreamExplanation)explanation;
Assert.assertEquals(1, updateExplanation.getChildren().size());
Assert.assertEquals("update", updateExplanation.getChildren().get(0).getFunctionName());
Assert.assertEquals(UpdateStream.class.getName(), updateExplanation.getChildren().get(0).getImplementingClass());
}
@Test
public void testFacetStream() throws Exception {
FacetStream stream;
String expressionString;
// Basic test
stream = new FacetStream(StreamExpressionParser.parse("facet("
+ "collection1, "
+ "q=\"*:*\", "
+ "buckets=\"a_s\", "
+ "bucketSorts=\"sum(a_i) asc\", "
+ "bucketSizeLimit=100, "
+ "sum(a_i), sum(a_f), "
+ "min(a_i), min(a_f), "
+ "max(a_i), max(a_f), "
+ "avg(a_i), avg(a_f), "
+ "count(*)"
+ ")"), factory);
expressionString = stream.toExpression(factory).toString();
Explanation explanation = stream.toExplanation(factory);
Assert.assertEquals("facet", explanation.getFunctionName());
Assert.assertEquals(FacetStream.class.getName(), explanation.getImplementingClass());
Assert.assertEquals(1, ((StreamExplanation)explanation).getChildren().size());
}
@Test
public void testJDBCStream() throws Exception {
JDBCStream stream;
String expressionString;
// Basic test
stream = new JDBCStream(StreamExpressionParser.parse("jdbc(connection=\"jdbc:hsqldb:mem:.\", sql=\"select PEOPLE.ID, PEOPLE.NAME, COUNTRIES.COUNTRY_NAME from PEOPLE inner join COUNTRIES on PEOPLE.COUNTRY_CODE = COUNTRIES.CODE order by PEOPLE.ID\", sort=\"ID asc\")"), factory);
Explanation explanation = stream.toExplanation(factory);
Assert.assertEquals("jdbc", explanation.getFunctionName());
Assert.assertEquals(JDBCStream.class.getName(), explanation.getImplementingClass());
Assert.assertEquals(1, ((StreamExplanation)explanation).getChildren().size());
}
@Test
public void testIntersectStream() throws Exception {
IntersectStream stream;
String expressionString;
// Basic test
stream = new IntersectStream(StreamExpressionParser.parse("intersect("
+ "search(collection1, q=\"id:(0 3 4)\", fl=\"id,a_s,a_i,a_f\", sort=\"a_f asc, a_s asc\"),"
+ "search(collection1, q=\"id:(1 2)\", fl=\"id,a_s,a_i,a_f\", sort=\"a_f asc, a_s asc\"),"
+ "on=\"a_f, a_s\")"), factory);
Explanation explanation = stream.toExplanation(factory);
Assert.assertEquals("intersect", explanation.getFunctionName());
Assert.assertEquals(IntersectStream.class.getName(), explanation.getImplementingClass());
Assert.assertEquals(2, ((StreamExplanation)explanation).getChildren().size());
}
@Test
public void testComplementStream() throws Exception {
ComplementStream stream;
String expressionString;
// Basic test
stream = new ComplementStream(StreamExpressionParser.parse("complement("
+ "search(collection1, q=\"id:(0 3 4)\", fl=\"id,a_s,a_i,a_f\", sort=\"a_f asc, a_s asc\"),"
+ "search(collection1, q=\"id:(1 2)\", fl=\"id,a_s,a_i,a_f\", sort=\"a_f asc, a_s asc\"),"
+ "on=\"a_f, a_s\")"), factory);
Explanation explanation = stream.toExplanation(factory);
Assert.assertEquals("complement", explanation.getFunctionName());
Assert.assertEquals(ComplementStream.class.getName(), explanation.getImplementingClass());
Assert.assertEquals(2, ((StreamExplanation)explanation).getChildren().size());
}
}