added array fixture class

framework/test/ArrayFixture.php

+<?php
+/**
+ * @link http://www.yiiframework.com/
+ * @copyright Copyright (c) 2008 Yii Software LLC
+ * @license http://www.yiiframework.com/license/
+ */
+
+namespace yii\test;
+
+use Yii;
+use yii\base\ArrayAccessTrait;
+use yii\base\InvalidParamException;
+
+/**
+ * Base array fixture class, that supports loading data from data files.
+ * 
+ * @author Mark Jebri <mark.github@yandex.ru>
+ * @since 2.0
+ */
+class ArrayFixture extends Fixture implements \IteratorAggregate, \ArrayAccess, \Countable
+{
+    use ArrayAccessTrait;
+
+    /**
+     * @var array the data rows. Each array element represents one row of data (column name => column value).
+     */
+    public $data = [];
+    /**
+     * @var string|boolean the file path or path alias of the data file that contains the fixture data
+     * to be returned by [[getData()]]. You can set this property to be false to prevent loading any data.
+     */
+    public $dataFile;
+
+    /**
+     * Loads the fixture.
+     *
+     * The default implementation simply stores the data returned by [[getData()]] in [[data]].
+     * You should usually override this method by putting the data into the underlying database.
+     */
+    public function load()
+    {
+        $this->data = $this->getData();
+    }
+
+    /**
+     * Returns the fixture data.
+     *
+     * The default implementation will try to return the fixture data by including the external file specified by [[dataFile]].
+     * The file should return the data array that will be stored in [[data]] after inserting into the database.
+     *
+     * @return array the data to be put into the database
+     * @throws InvalidConfigException if the specified data file does not exist.
+     */
+    protected function getData()
+    {
+        if ($this->dataFile === false || $this->dataFile === null) {
+            return [];
+        }
+        $dataFile = Yii::getAlias($this->dataFile);
+        if (is_file($dataFile)) {
+            return require($dataFile);
+        } else {
+            throw new InvalidConfigException("Fixture data file does not exist: {$this->dataFile}");
+        }
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function unload()
+    {
+        parent::unload();
+        $this->data = [];
+    }
+
+}

tests/unit/framework/test/ArrayFixtureTest.php

+<?php
+
+/**
+ * @link http://www.yiiframework.com/
+ * @copyright Copyright (c) 2008 Yii Software LLC
+ * @license http://www.yiiframework.com/license/
+ */
+
+namespace yiiunit\framework\test;
+
+use yiiunit\TestCase;
+use yii\test\ArrayFixture;
+
+class ArrayFixtureTest extends TestCase
+{
+
+    /**
+     * @var \yii\test\ArrayFixture 
+     */
+    private $_fixture;
+
+    protected function setUp()
+    {
+        parent::setUp();
+        $this->_fixture = new ArrayFixture();
+    }
+
+    public function testLoadUnloadParticularFile()
+    {
+        $this->_fixture->dataFile = '@yiiunit/framework/test/data/array_fixture.php';
+        $this->assertEmpty($this->_fixture->data, 'fixture data should be empty');
+
+        $this->_fixture->load();
+
+        $this->assertCount(2, $this->_fixture->data, 'fixture data should match needed total count');
+        $this->assertEquals('customer1', $this->_fixture['customer1']['name'], 'first fixture data should match');
+        $this->assertEquals('customer2@example.com', $this->_fixture['customer2']['email'], 'second fixture data should match');
+    }
+
+    public function testNothingToLoad()
+    {
+        $this->_fixture->dataFile = false;
+        $this->assertEmpty($this->_fixture->data, 'fixture data should be empty');
+
+        $this->_fixture->load();
+        $this->assertEmpty($this->_fixture->data, 'fixture data should not be loaded');
+    }
+
+    /**
+     * @expectedException yii\base\InvalidParamException
+     */
+    public function testWrongDataFileException()
+    {
+        $this->_fixture->dataFile = '@wrong/fixtures/data/path/alias';
+        $this->_fixture->load();
+    }
+
+}

tests/unit/framework/test/data/array_fixture.php

+<?php
+
+return [
+    'customer1' => [
+        'email' => 'customer1@example.com',
+        'name' => 'customer1',
+        'address' => 'address1',
+        'status' => 1,
+    ],
+    'customer2' => [
+        'email' => 'customer2@example.com',
+        'name' => 'customer2',
+        'address' => 'address2',
+        'status' => 2,
+    ],
+];