yii2/tests/framework/test/FixtureTest.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 yii\test\Fixture;
use yii\test\FixtureTrait;
use yiiunit\TestCase;

/**
 * @group fixture
 */
class Fixture1 extends Fixture
{
    public $depends = ['yiiunit\framework\test\Fixture2'];

    public function load()
    {
        MyTestCase::$load .= '1';
    }

    public function unload()
    {
        MyTestCase::$unload .= '1';
    }
}

class Fixture2 extends Fixture
{
    public $depends = ['yiiunit\framework\test\Fixture3'];
    public function load()
    {
        MyTestCase::$load .= '2';
    }

    public function unload()
    {
        MyTestCase::$unload .= '2';
    }
}

class Fixture3 extends Fixture
{
    public function load()
    {
        MyTestCase::$load .= '3';
    }

    public function unload()
    {
        MyTestCase::$unload .= '3';
    }
}

class MyTestCase
{
    use FixtureTrait;

    public $scenario = 1;
    public static $load;
    public static $unload;

    public function setUp()
    {
        $this->loadFixtures();
    }

    public function tearDown()
    {
        $this->unloadFixtures();
    }

    public function fetchFixture($name)
    {
        return $this->getFixture($name);
    }

    public function fixtures()
    {
        switch ($this->scenario) {
            case 0: return [];
            case 1: return [
                'fixture1' => Fixture1::className(),
            ];
            case 2: return [
                'fixture2' => Fixture2::className(),
            ];
            case 3: return [
                'fixture3' => Fixture3::className(),
            ];
            case 4: return [
                'fixture1' => Fixture1::className(),
                'fixture2' => Fixture2::className(),
            ];
            case 5: return [
                'fixture2' => Fixture2::className(),
                'fixture3' => Fixture3::className(),
            ];
            case 6: return [
                'fixture1' => Fixture1::className(),
                'fixture3' => Fixture3::className(),
            ];
            case 7:
            default: return [
                'fixture1' => Fixture1::className(),
                'fixture2' => Fixture2::className(),
                'fixture3' => Fixture3::className(),
            ];
        }
    }
}

class FixtureTest extends TestCase
{
    public function testDependencies()
    {
        foreach ($this->getDependencyTests() as $scenario => $result) {
            $test = new MyTestCase();
            $test->scenario = $scenario;
            $test->setUp();
            foreach ($result as $name => $loaded) {
                $this->assertEquals($loaded, $test->fetchFixture($name) !== null, "Verifying scenario $scenario fixture $name");
            }
        }
    }

    public function testLoadSequence()
    {
        foreach ($this->getLoadSequenceTests() as $scenario => $result) {
            $test = new MyTestCase();
            $test->scenario = $scenario;
            MyTestCase::$load = '';
            MyTestCase::$unload = '';
            $test->setUp();
            $this->assertEquals($result[0], MyTestCase::$load, "Verifying scenario $scenario load sequence");
            $test->tearDown();
            $this->assertEquals($result[1], MyTestCase::$unload, "Verifying scenario $scenario unload sequence");
        }
    }

    protected function getDependencyTests()
    {
        return [
            0 => ['fixture1' => false, 'fixture2' => false, 'fixture3' => false],
            1 => ['fixture1' => true, 'fixture2' => false, 'fixture3' => false],
            2 => ['fixture1' => false, 'fixture2' => true, 'fixture3' => false],
            3 => ['fixture1' => false, 'fixture2' => false, 'fixture3' => true],
            4 => ['fixture1' => true, 'fixture2' => true, 'fixture3' => false],
            5 => ['fixture1' => false, 'fixture2' => true, 'fixture3' => true],
            6 => ['fixture1' => true, 'fixture2' => false, 'fixture3' => true],
            7 => ['fixture1' => true, 'fixture2' => true, 'fixture3' => true],
        ];
    }

    protected function getLoadSequenceTests()
    {
        return [
            0 => ['', ''],
            1 => ['321', '123'],
            2 => ['32', '23'],
            3 => ['3', '3'],
            4 => ['321', '123'],
            5 => ['32', '23'],
            6 => ['321', '123'],
            7 => ['321', '123'],
        ];
    }
}