Добавлены тесты, исправлены ошибки, связанные с необходимостью клонирования объекта QueryRelationManager при создании объекта DataProvider

Author: Smoren

README.md

@@ -16,7 +16,7 @@ php yii migrate
 
 ### Unit testing
 ```
-./vendor/bin/codecept run unit tests/unit/CommonUsageTest.php
+./vendor/bin/codecept run unit tests/unit
 ```
 
 ### Demo

composer.json

@@ -18,7 +18,7 @@
         "yiisoft/yii2": "~2.0.14",
         "yiisoft/yii2-bootstrap": "~2.0.0",
         "yiisoft/yii2-swiftmailer": "~2.0.0 || ~2.1.0",
-        "smoren/yii2-query-relation-manager": "2.0.3"
+        "smoren/yii2-query-relation-manager": "2.0.4"
     },
     "require-dev": {
         "yiisoft/yii2-debug": "~2.1.0",

tests/unit/DataProviderTest.php

@@ -0,0 +1,142 @@
+<?php
+
+namespace app\tests\unit;
+
+
+use app\models\Address;
+use app\models\City;
+use Smoren\Yii2\QueryRelationManager\Base\QueryRelationManagerException;
+use Smoren\Yii2\QueryRelationManager\Yii2\QueryRelationDataProvider;
+use Smoren\Yii2\QueryRelationManager\Yii2\QueryRelationManager;
+use Yii;
+
+class DataProviderTest extends \Codeception\Test\Unit
+{
+    /**
+     * @throws QueryRelationManagerException
+     */
+    public function testCity()
+    {
+        $qrm = QueryRelationManager::select(City::class, 'c')
+            ->withMultiple('addresses', Address::class, 'a', 'c', ['city_id' => 'id']);
+
+        $dataProvider = new QueryRelationDataProvider([
+            'queryRelationManager' => $qrm,
+            'db' => Yii::$app->db,
+            'pagination' => [
+                'pageSize' => 2,
+                'page' => 0,
+            ],
+        ]);
+
+        $result = $dataProvider->getModels();
+        expect_that($this->compareResultWithCorrectMap($result, [
+            1 => [1, 2],
+            2 => [3, 4],
+        ]));
+
+        $dataProvider = new QueryRelationDataProvider([
+            'queryRelationManager' => $qrm,
+            'pagination' => [
+                'pageSize' => 2,
+                'page' => 1,
+            ],
+        ]);
+        $result = $dataProvider->getModels();
+        expect_that($this->compareResultWithCorrectMap($result, [
+            3 => [],
+            4 => [],
+        ]));
+
+        $dataProvider = new QueryRelationDataProvider([
+            'queryRelationManager' => $qrm,
+            'pagination' => [
+                'pageSize' => 2,
+                'page' => 2,
+            ],
+        ]);
+        $result = $dataProvider->getModels();
+        expect_that($this->compareResultWithCorrectMap($result, [
+            5 => [],
+        ]));
+
+        $dataProvider = new QueryRelationDataProvider([
+            'queryRelationManager' => $qrm,
+            'pagination' => [
+                'pageSize' => 2,
+                'page' => 3,
+            ],
+        ]);
+        $result = $dataProvider->getModels();
+        expect_that($this->compareResultWithCorrectMap($result, []));
+
+        $dataProvider = new QueryRelationDataProvider([
+            'queryRelationManager' => $qrm,
+            'pagination' => [
+                'pageSize' => 1,
+                'page' => 0,
+            ],
+        ]);
+        $result = $dataProvider->getModels();
+        expect_that($this->compareResultWithCorrectMap($result, [
+            1 => [1, 2],
+        ]));
+
+        $dataProvider = new QueryRelationDataProvider([
+            'queryRelationManager' => $qrm,
+            'pagination' => [
+                'pageSize' => 5,
+                'page' => 0,
+            ],
+        ]);
+        $result = $dataProvider->getModels();
+        expect_that($this->compareResultWithCorrectMap($result, [
+            1 => [1, 2],
+            2 => [3, 4],
+            3 => [],
+            4 => [],
+            5 => [],
+        ]));
+
+        $dataProvider = new QueryRelationDataProvider([
+            'queryRelationManager' => $qrm,
+            'pagination' => [
+                'pageSize' => 1000,
+                'page' => 0,
+            ],
+        ]);
+        $result = $dataProvider->getModels();
+        expect_that($this->compareResultWithCorrectMap($result, [
+            1 => [1, 2],
+            2 => [3, 4],
+            3 => [],
+            4 => [],
+            5 => [],
+        ]));
+
+        $dataProvider = new QueryRelationDataProvider([
+            'queryRelationManager' => $qrm,
+            'pagination' => [
+                'pageSize' => 1000,
+                'page' => 1,
+            ],
+        ]);
+        $result = $dataProvider->getModels();
+        expect_that($this->compareResultWithCorrectMap($result, []));
+    }
+
+    protected function compareResultWithCorrectMap(array $result, array $correctMap)
+    {
+        $resultMap = [];
+        foreach($result as $city) {
+            $resultMap[$city['id']] = [];
+            foreach($city['addresses'] as $address) {
+                $resultMap[$city['id']][] = $address['id'];
+            }
+            sort($resultMap[$city['id']]);
+        }
+        ksort($resultMap);
+
+        return $resultMap == $correctMap;
+    }
+}