Alcaeus\MongoDbAdapter\Tests\Mongo\MongoInsertBatchTest::testInsertBatchError PHP Method

    public function testInsertBatchError()
    {
        $collection = $this->getCollection();
        $batch = new \MongoInsertBatch($collection);
        $collection->createIndex(['foo' => 1], ['unique' => true]);
        $this->assertTrue($batch->add(['foo' => 'bar']));
        $this->assertTrue($batch->add(['foo' => 'bar']));
        $expected = ['writeErrors' => [['index' => 1, 'code' => 11000]], 'nInserted' => 1, 'ok' => true];
        try {
            $batch->execute();
            $this->fail('Expected MongoWriteConcernException');
        } catch (\MongoWriteConcernException $e) {
            $this->assertSame('Failed write', $e->getMessage());
            $this->assertSame(911, $e->getCode());
            $this->assertArraySubset($expected, $e->getDocument());
        }
    }