Move dynamic segments from Premium plugin

[MAILPOET-2382]

tests/integration/DynamicSegments/Persistence/Loading/SingleSegmentLoaderTest.php

@@ -0,0 +1,63 @@
+<?php
+
+namespace MailPoet\Premium\DynamicSegments\Persistence\Loading;
+
+use MailPoet\Premium\DynamicSegments\Filters\UserRole;
+use MailPoet\Premium\DynamicSegments\Mappers\DBMapper;
+use MailPoet\Premium\Models\DynamicSegment;
+use MailPoet\Premium\Models\DynamicSegmentFilter;
+
+class SingleSegmentLoaderTest extends \MailPoetTest {
+
+  private $segment;
+
+  /** @var SingleSegmentLoader */
+  private $loader;
+
+  function _before() {
+    $this->loader = new SingleSegmentLoader(new DBMapper());
+    \ORM::raw_execute('TRUNCATE ' . DynamicSegment::$_table);
+    \ORM::raw_execute('TRUNCATE ' . DynamicSegmentFilter::$_table);
+    $this->segment = DynamicSegment::createOrUpdate([
+      'name' => 'segment 1',
+      'description' => 'description',
+    ]);
+    $filter = new UserRole('Administrator', 'and');
+    $filter_data = DynamicSegmentFilter::create();
+    $filter_data->hydrate([
+      'segment_id' => $this->segment->id,
+      'filter_data' => $filter->toArray(),
+    ]);
+    $filter_data->save();
+  }
+
+  function testItLoadsSegments() {
+    $data = $this->loader->load($this->segment->id);
+    expect($data)->isInstanceOf('\MailPoet\Premium\Models\DynamicSegment');
+  }
+
+  function testItThrowsForUnknownSegment() {
+    $this->setExpectedException('InvalidArgumentException');
+    $this->loader->load($this->segment->id + 11564564);
+  }
+
+  function testItPopulatesCommonData() {
+    $data = $this->loader->load($this->segment->id);
+    expect($data->name)->equals('segment 1');
+    expect($data->description)->equals('description');
+  }
+
+  function testItPopulatesFilters() {
+    $data = $this->loader->load($this->segment->id);
+    $filters0 = $data->getFilters();
+    expect($filters0)->count(1);
+    expect($filters0[0])->isInstanceOf('\MailPoet\Premium\DynamicSegments\Filters\UserRole');
+    expect($filters0[0]->getRole())->equals('Administrator');
+  }
+
+  function _after() {
+    \ORM::raw_execute('TRUNCATE ' . DynamicSegment::$_table);
+    \ORM::raw_execute('TRUNCATE ' . DynamicSegmentFilter::$_table);
+  }
+
+}