phpunit dbunit @dataProvider 不起作用

phpunit dbunit @dataProvider doesn#39;t work(phpunit dbunit @dataProvider 不起作用)

问题描述

我花了很多时间搜索问题出在哪里，但我没有找到任何东西.

I spent a lot of time by searching where is the problem, but i haven't find anything.

它是testAdd 导致错误:缺少参数".当我运行测试时，只是没有执行 dataProvider .我尝试将 die() 放入 dataProvider 并没有死.

It sais "testAdd caused an ERROR: Missing argument". Simply the dataProvider isn't executed, when I run the test. I tried to put die() into the dataProvider and it hasn't died.

这是我的代码:

class LabelEntityModelTest extends PHPUnit_Extensions_Database_TestCase
{

    private static $connection = NULL;

    /**
     * @var CXNSDBConnectionsConnection
     */
    private static $appConnection;
    private static $table;

    public function __construct()
    {
        if (self::$connection) {
            return;
        }

        $pdo = new PDO($GLOBALS['DB_DSN'], $GLOBALS['DB_USER'], $GLOBALS['DB_PASSWD']);
        self::$appConnection = new CXNSDBConnectionsConnection(array("prefix" => "test_", "driver" => "pdo", "resource" => $pdo));
        self::$appConnection->connect();

        self::$connection = $this->createDefaultDBConnection($pdo, 'mysql');

        self::$table = $this->createXMLDataSet(__DIR__ . '/fixtures/tables.xml');
    }

    protected function getDataSet()
    {
        return self::$table;
    }

    public function getConnection()
    {
        return self::$connection;
    }

    public function getAppConnection()
    {
        return self::$appConnection;
    }

    /**
     * @group onlyThis
     * @dataProvider providerAdd
     */
    public function testAdd($labelId, $entityId)
    {
        $lem = new appLibsLabelsLabelEntityModel($this->getAppConnection(), "contacts");

        $lem->add($labelId, $entityId);

        $count = $this->getAppConnection()
            ->select("id")
            ->from("label_relationships")
            ->where("label_id = %i", $labelId)
            ->where("table_ref_id = %i", $entityId)
            ->count();

        $this->assertEquals(1, $count, "insert failed");
    }

    public function providerAdd()
    {
        return array(
            array(2, 3),
            array(3, 4),
            array(3, 4),
            array(3, 4),
            array(3, 4),
            array(3, 4),
            array(5, 7)
        );
    }
}

感谢您的帮助.

推荐答案

永远不要覆盖 TestCase 构造函数.PhpUnit 有一个专门用于初始化的方法，称为 setUp 和 setUpBeforeClass，所以我强烈建议你使用它.我很确定这是造成您问题的原因.

You should never overwrite TestCase constructor. PhpUnit has a specialized methods for initialization purposes called setUp and setUpBeforeClass, so I strongly suggest you to use that. I´m pretty sure this is the cause of your problem.

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