Added StaticDataProvider and accompanying test.

src/Porter/Connector/NullConnector.php

@@ -0,0 +1,10 @@
+<?php
+namespace ScriptFUSION\Porter\Connector;
+
+class NullConnector implements Connector
+{
+    public function fetch($destination, array $parameters = [])
+    {
+        // Intentionally empty.
+    }
+}

src/Porter/Porter.php

@@ -1,7 +1,6 @@
 <?php
 namespace ScriptFUSION\Porter;
 
-use ScriptFUSION\Porter\Collection\CountableProviderRecords;
 use ScriptFUSION\Porter\Collection\FilteredRecords;
 use ScriptFUSION\Porter\Collection\ProviderRecords;
 use ScriptFUSION\Porter\Collection\RecordCollection;
@@ -25,12 +24,8 @@ public function import(ImportSpecification $specification)
     {
         $providerData = $specification->finalize()->getProviderData();
 
-        if (!$documents = $this->fetch($providerData)) {
-            return new CountableProviderRecords(new \EmptyIterator, 0, $providerData);
-        }
-
-        if (!$documents instanceof ProviderRecords) {
-            // Compose documents iterator.
+        if (!($documents = $this->fetch($providerData)) instanceof ProviderRecords) {
+            // Compose records iterator.
             $documents = new ProviderRecords($documents, $providerData);
         }
 

src/Porter/Provider/StaticData.php

@@ -0,0 +1,24 @@
+<?php
+namespace ScriptFUSION\Porter\Provider;
+
+use ScriptFUSION\Porter\Connector\Connector;
+
+class StaticData implements ProviderData
+{
+    private $data;
+
+    public function __construct(\Iterator $data)
+    {
+        $this->data = $data;
+    }
+
+    public function getProviderName()
+    {
+        return StaticDataProvider::class;
+    }
+
+    public function fetch(Connector $connector)
+    {
+        return $this->data;
+    }
+}

src/Porter/Provider/StaticDataProvider.php

@@ -0,0 +1,12 @@
+<?php
+namespace ScriptFUSION\Porter\Provider;
+
+use ScriptFUSION\Porter\Connector\NullConnector;
+
+class StaticDataProvider extends Provider
+{
+    public function __construct()
+    {
+        parent::__construct(new NullConnector);
+    }
+}

test/Integration/Porter/Provider/StaticDataProviderTest.php

@@ -0,0 +1,18 @@
+<?php
+namespace ScriptFUSIONTest\Integration\Porter\Provider;
+
+use ScriptFUSION\Porter\ImportSpecification;
+use ScriptFUSION\Porter\Porter;
+use ScriptFUSION\Porter\Provider\StaticData;
+use ScriptFUSION\Porter\Provider\StaticDataProvider;
+
+final class StaticDataProviderTest extends \PHPUnit_Framework_TestCase
+{
+    public function test()
+    {
+        $porter = (new Porter)->addProvider(new StaticDataProvider);
+        $records = $porter->import(new ImportSpecification(new StaticData(new \ArrayIterator(['foo']))));
+
+        $this->assertSame('foo', $records->current());
+    }
+}