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Create a db schema Reference https://devdocs.magento.com/guides/v2.4/extension-dev-guide/declarative-schema/db-schema.html Path will be a similar path to this app\code\AzCodez\CustomerViewing\etc\db_schema.xml Add this code to set up your table. Mo...
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Method chaining is where you can call multiple methods after one another in one line like so
$methodChain->addHelloToChain()->addSpaceToChain()->addThereToChain()->getOutputOfChain();
Setup an initial class with this code which has a few methods that you can call.
<?php
namespace AzCodez\MagentoTraining\Controller\UnitTesting;
class MethodChainingTest
{
public $outputOfChain = '';
public function __construct()
{
$this->outputOfChain = '';
}
public function addHelloToChain()
{
$this->outputOfChain .= "hello";
return $this;
}
public function addSpaceToChain()
{
$this->outputOfChain .= " ";
return $this;
}
public function addThereToChain()
{
$this->outputOfChain .= "there";
return $this;
}
public function addByeToChain()
{
$this->outputOfChain .= "bye";
return $this;
}
public function addNowToChain()
{
$this->outputOfChain .= "now";
return $this;
}
public function getOutputOfChain()
{
return $this->outputOfChain;
}
}
The above four methods are what you call to make your chain.
The last method getOutputOfChain() gets the output of the chain result.
Now we will write a PHP Unit test, call the chain, and test output. Explanation is in comment of code.
<?php
use PHPUnit\Framework\TestCase;
use AzCodez\MagentoTraining\Controller\UnitTesting\TestClassMethodChaining;
class TestMethodChaining extends TestCase
{
/**
* Unit test to check method chaining of calling addByeToChain + addNowToChain() + addNowToChain should result in 'bye now'
*/
public function testMethodChaningHelloThere()
{
//Arrange
$methodChain = new TestClassMethodChaining();
//Act
$result = $methodChain->addHelloToChain()->addSpaceToChain()->addThereToChain()->getOutputOfChain();
// Asset
$this->assertEquals('hello there', $result);
}
/**
* Unit test to check method chaining of calling addByeToChain + addNowToChain() + addNowToChain should result in 'bye now'
*/
public function testMethodChaningByeNow()
{
//Arrange
$methodChain = new TestClassMethodChaining();
//Act
$result = $methodChain->addByeToChain()->addSpaceToChain()->addNowToChain()->getOutputOfChain();
// Asset
$this->assertEquals('bye now', $result);
}
}
Run the tests
./vendor/bin/phpunit -c dev/tests/unit/phpunit.xml.dist app/code/AzCodez/MagentoTraining/Test/Unit/
Feel free to comment with questions or feedback✌️
Happy coding,
Az 👨🏾💻