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PHP Getting Started with PHP Unit Testing Test Driven Development Start with Tests

Posted by Rob Maslen
Rob Maslen
885 Points

What is wrong with this code?

When checking this code it says:

"Bummer: You must assert that the expected result matches the actual result."

What am i doing wrong?

Cheers!

index.php 
<?php

use PHPUnit\Framework\TestCase;

class MathTest extends TestCase
{
  /** @test */
  public function Addition() {
    $expected = 4;
    $actual = 2 + 2;

    assert('$actual === $expected');
  }
}

?>

1 Answer

KRIS NIKOLAISEN
KRIS NIKOLAISEN
54,967 Points

I downloaded the project files and PigLatinTest.php gives an example of what the challenge is looking for:

<?php

use PHPUnit\Framework\TestCase;
//require_once __DIR__.'/../src/PigLating.php';

class PigLatinTest extends TestCase
{
    /** @test */
    function convertSingleStartingConsonantWordToPigLatin()
    {
        $word = 'test';
        $expectedResult = 'esttay';

        $pigLatin = new PigLatin();
        $result = $pigLatin->convert($word);

        $this->assertEquals(
            $expectedResult,
            $result
        );
    }
}

You should use assertEquals(). There is an explanation and another example here. Or the documentation here.

Rob Maslen
Rob Maslen
885 Points

Ah yeah that works thanks very much! :-)