added support for replicas in distributed search

docs/queries/select-query/building-a-select-query/components/distributed-search-component.md

@@ -8,6 +8,7 @@ Options
 | shards       | string | null          | Shards to use for request                                                  |
 | shardhandler | string | null          | Request handler to use                                                     |
 | collections  | string | null          | A list of collections, for use with SolrCloud (available in Solarium 3.1+) |
+| replicas     | string | null          | A list of replicas, for use with SolrCloud (available in Solarium 3.1+)    |
 ||
 
 Example

library/Solarium/QueryType/Select/Query/Component/DistributedSearch.php

@@ -65,6 +65,13 @@ class DistributedSearch extends AbstractComponent
      */
     protected $collections = array();
 
+    /**
+     * Requests will be load balanced across replicas in this list.
+     *
+     * @var array
+     */
+    protected $replicas = array();
+
     /**
      * Get component type.
      *
@@ -318,6 +325,94 @@ public function getCollections()
         return $this->collections;
     }
 
+    /**
+     * Add a replica.
+     *
+     * @param string $key     unique string
+     * @param string $replica The syntax is host:port/base_url
+     *
+     * @return self Provides fluent interface
+     *
+     * @link https://cwiki.apache.org/confluence/display/solr/Distributed+Requests
+     */
+    public function addReplica($key, $replica)
+    {
+        $this->replicas[$key] = $replica;
+
+        return $this;
+    }
+
+    /**
+     * Add multiple replicas.
+     *
+     * @param array $replicas
+     *
+     * @return self Provides fluent interface
+     */
+    public function addReplicas(array $replicas)
+    {
+        foreach ($replicas as $key => $replica) {
+            $this->addReplica($key, $replica);
+        }
+
+        return $this;
+    }
+
+    /**
+     * Remove a replica.
+     *
+     * @param string $key
+     *
+     * @return self Provides fluent interface
+     */
+    public function removeReplica($key)
+    {
+        if (isset($this->replicas[$key])) {
+            unset($this->replicas[$key]);
+        }
+
+        return $this;
+    }
+
+    /**
+     * Remove all replicas.
+     *
+     * @return self Provides fluent interface
+     */
+    public function clearReplicas()
+    {
+        $this->replicas = array();
+
+        return $this;
+    }
+
+    /**
+     * Set multiple replicas.
+     *
+     * This overwrites any existing replicas
+     *
+     * @param array $replicas Associative array of collections
+     *
+     * @return self Provides fluent interface
+     */
+    public function setReplicas(array $replicas)
+    {
+        $this->clearReplicas();
+        $this->addReplicas($replicas);
+
+        return $this;
+    }
+
+    /**
+     * Get a list of the replicas.
+     *
+     * @return array
+     */
+    public function getReplicas()
+    {
+        return $this->replicas;
+    }
+
     /**
      * Initialize options.
      *
@@ -334,6 +429,9 @@ protected function init()
                 case 'collections':
                     $this->setCollections($value);
                     break;
+                case 'replicas':
+                    $this->setReplicas($value);
+                    break;
             }
         }
     }

library/Solarium/QueryType/Select/RequestBuilder/Component/DistributedSearch.php

@@ -64,6 +64,14 @@ public function buildComponent($component, $request)
             $request->addParam('shards', implode(',', $shards));
         }
 
+        $replicas = array_values($component->getReplicas());
+
+        if (count($replicas)) {
+            $value = ($request->getParam('shards')) ? $request->getParam('shards').','.implode('|', $replicas) : implode('|', $replicas);
+
+            $request->addParam('shards', $value, true);
+        }
+
         $request->addParam('shards.qt', $component->getShardRequestHandler());
 
         // add collections to request

tests/Solarium/Tests/QueryType/Select/Query/Component/DistributedSearchTest.php

@@ -75,6 +75,19 @@ public function testConfigModeForCollections()
         $this->assertEquals($options['collections'], $this->distributedSearch->getCollections());
     }
 
+    public function testConfigModeForReplicas()
+    {
+        $options = array(
+            'replicas' => array(
+                'replica1' => 'localhost:8983/solr/collection1',
+                'replica2' => 'localhost:8983/solr/collection2',
+            ),
+        );
+
+        $this->distributedSearch->setOptions($options);
+        $this->assertEquals($options['replicas'], $this->distributedSearch->getReplicas());
+    }
+
     public function testGetType()
     {
         $this->assertEquals(
@@ -242,4 +255,73 @@ public function testSetCollections()
             $collections
         );
     }
+
+    public function testAddReplica()
+    {
+        $this->distributedSearch->addReplica('replica1', 'localhost:8983/solr/replica1');
+        $replicas = $this->distributedSearch->getReplicas();
+        $this->assertEquals(
+            'localhost:8983/solr/replica1',
+            $replicas['replica1']
+        );
+    }
+
+    public function testRemoveReplica()
+    {
+        $this->distributedSearch->addReplica('replica1', 'localhost:8983/solr/replica1');
+        $this->distributedSearch->removeReplica('replica1');
+        $replicas = $this->distributedSearch->getReplicas();
+        $this->assertFalse(isset($replicas['replica1']));
+    }
+
+    public function testClearReplicas()
+    {
+        $this->distributedSearch->addReplicas(
+            array(
+                'replica1' => 'localhost:8983/solr/replica1',
+                'replica2' => 'localhost:8983/solr/replica2',
+            )
+        );
+        $this->distributedSearch->clearReplicas();
+        $replicas = $this->distributedSearch->getReplicas();
+        $this->assertTrue(is_array($replicas));
+        $this->assertEquals(0, count($replicas));
+    }
+
+    public function testAddReplicas()
+    {
+        $replicas = array(
+            'replica1' => 'localhost:8983/solr/replica1',
+            'replica2' => 'localhost:8983/solr/replica2',
+        );
+        $this->distributedSearch->addReplicas($replicas);
+        $this->assertEquals($replicas, $this->distributedSearch->getReplicas());
+    }
+
+    public function testSetReplicas()
+    {
+        $this->distributedSearch->addReplicas(
+            array(
+                'replica1' => 'localhost:8983/solr/replica1',
+                'replica2' => 'localhost:8983/solr/replica2',
+            )
+        );
+        $this->distributedSearch->setReplicas(
+            array(
+                'replica3' => 'localhost:8983/solr/replica3',
+                'replica4' => 'localhost:8983/solr/replica4',
+                'replica5' => 'localhost:8983/solr/replica5',
+            )
+        );
+        $replicas = $this->distributedSearch->getReplicas();
+        $this->assertEquals(3, count($replicas));
+        $this->assertEquals(
+            array(
+                'replica3' => 'localhost:8983/solr/replica3',
+                'replica4' => 'localhost:8983/solr/replica4',
+                'replica5' => 'localhost:8983/solr/replica5',
+            ),
+            $replicas
+        );
+    }
 }

tests/Solarium/Tests/QueryType/Select/Query/Component/Facet/IntervalTest.php

@@ -0,0 +1,88 @@
+<?php
+/**
+ * Copyright 2011 Bas de Nooijer. 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 listof conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER 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.
+ *
+ * The views and conclusions contained in the software and documentation are
+ * those of the authors and should not be interpreted as representing official
+ * policies, either expressed or implied, of the copyright holder.
+ */
+
+namespace Solarium\Tests\QueryType\Select\Query\Component\Facet;
+
+use Solarium\QueryType\Select\Query\Component\Facet\Interval;
+use Solarium\QueryType\Select\Query\Component\FacetSet;
+
+class IntervalTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * @var Query
+     */
+    protected $facet;
+
+    public function setUp()
+    {
+        $this->facet = new Interval();
+    }
+
+    public function testConfigMode()
+    {
+        $options = array(
+            'key' => 'myKey',
+            'exclude' => array('e1', 'e2'),
+            'set' => array('i1', 'i2'),
+        );
+
+        $this->facet->setOptions($options);
+
+        $this->assertEquals($options['key'], $this->facet->getKey());
+        $this->assertEquals($options['exclude'], $this->facet->getExcludes());
+        $this->assertEquals($options['set'], $this->facet->getSet());
+    }
+
+    public function testGetType()
+    {
+        $this->assertEquals(
+            FacetSet::FACET_INTERVAL,
+            $this->facet->getType()
+        );
+    }
+
+    public function testSetAndGetSet()
+    {
+        $this->facet->setSet('interval1,interval2');
+        $this->assertEquals(array('interval1', 'interval2'), $this->facet->getSet());
+    }
+
+    public function testEmptySet()
+    {
+        $this->assertEquals(array(), $this->facet->getSet());
+    }
+
+    public function testSetAndGetField()
+    {
+        $this->facet->setField('field1');
+        $this->assertEquals('field1', $this->facet->getField());
+    }
+}

tests/Solarium/Tests/QueryType/Select/RequestBuilder/Component/DistributedSearchTest.php

@@ -82,4 +82,47 @@ public function testBuildComponentWithCollections()
 
         $this->assertEquals(array('collection' => $url.'1,'.$url.'2,'.$url.'3'), $request->getParams());
     }
+
+    public function testBuildComponentWithReplicas()
+    {
+        $builder = new RequestBuilder();
+        $request = new Request();
+
+        $url = 'localhost:8983/solr/replica';
+        $component = new Component();
+        $component->addReplica('replica1', $url.'1');
+        $component->addReplicas(
+            array(
+                'replica2' => $url.'2',
+                'replica3' => $url.'3',
+            )
+        );
+
+        $request = $builder->buildComponent($component, $request);
+
+        $this->assertEquals(array('shards' => $url.'1|'.$url.'2|'.$url.'3'), $request->getParams());
+    }
+
+
+
+    public function testBuildComponentWithReplicasAndShard()
+    {
+        $builder = new RequestBuilder();
+        $request = new Request();
+
+        $url = 'localhost:8983/solr/replica';
+        $component = new Component();
+        $component->addShard('shard1', 'localhost:8983/solr/shard1');
+
+        $component->addReplicas(
+            array(
+                'replica2' => $url.'2',
+                'replica3' => $url.'3',
+            )
+        );
+
+        $request = $builder->buildComponent($component, $request);
+
+        $this->assertEquals(array('shards' => 'localhost:8983/solr/shard1,'.$url.'2|'.$url.'3'), $request->getParams());
+    }
 }