connectionMock = $this->createMock(\Magento\Framework\DB\Adapter\Pdo\Mysql::class); $this->resourceMock = $this->createMock(\Magento\Framework\App\ResourceConnection::class); $this->resourceMock->expects($this->any())->method('getConnection')->willReturn($this->connectionMock); $contextMock = $this->createMock(\Magento\Framework\Model\ResourceModel\Db\Context::class); $contextMock->expects($this->once())->method('getResources')->willReturn($this->resourceMock); $this->nonceResource = new \Magento\Integration\Model\ResourceModel\Oauth\Nonce($contextMock); } public function testDeleteOldEntries() { $this->connectionMock->expects($this->once())->method('delete'); $this->connectionMock->expects($this->once())->method('quoteInto'); $this->nonceResource->deleteOldEntries(5); } public function testSelectByCompositeKey() { $selectMock = $this->createMock(\Magento\Framework\DB\Select::class); $selectMock->expects($this->once())->method('from')->will($this->returnValue($selectMock)); $selectMock->expects($this->exactly(2))->method('where')->will($this->returnValue($selectMock)); $this->connectionMock->expects($this->once())->method('select')->willReturn($selectMock); $this->connectionMock->expects($this->once())->method('fetchRow'); $this->nonceResource->selectByCompositeKey('nonce', 5); } }