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PHPunit | assertNotEmpty() Function
  • Last Updated : 31 Jul, 2019

The assertNotEmpty() function is a builtin function in PHPUnit and is used to assert whether the data holder specified is non-empty or not. This assertion will return true in the case if the data holder provided is non-empty else return false. In case of true the asserted test case got passed else test case got failed.

Syntax:

assertNotEmpty( mixed $dataHolder, string $message = '' )

Parameters: This function accepts two parameters as shown in the above syntax. The parameters are described below:

  • $dataHolder: This parameter is of any type which represent the data holder to be asserted.
  • $message: This parameter takes string value. When the testcase got failed this string message got displayed as error message.

Below programs illustrate the assertNotEmpty() function in PHPUnit:

Program 1:






<?php
use PHPUnit\Framework\TestCase;
  
class GeeksPhpunitTestCase extends TestCase
{
    public function testNegativeTestcaseForAssertNotEmpty()
    {
        $dataHolder = '';
  
        // Assert function to test whether given
        // data holder (variable) is non-empty or not
        $this->assertNotEmpty(
            $dataHolder,
            "data holder is empty"
        );
    }
}
  
?>

Output:

PHPUnit 8.2.5 by Sebastian Bergmann and contributors.

F                                                                   1 / 1 (100%)

Time: 74 ms, Memory: 10.00 MB

There was 1 failure:

1) GeeksPhpunitTestCase::testNegativeTestcaseForAssertNotEmpty
data holder is empty
Failed asserting that a string is not empty.

/home/shivam/Documents/geeks/phpunit/abc.php:13

FAILURES!
Tests: 1, Assertions: 1, Failures: 1.

Program 2:




<?php
use PHPUnit\Framework\TestCase;
  
class GeeksPhpunitTestCase extends TestCase
{
    public function testPositiveTestcaseForAssertNotEmpty()
    {
        $dataHolder = 'test data';
  
        // Assert function to test whether given
        // data holder (variable) is non-empty or not
        $this->assertNotEmpty(
            $dataHolder,
            "data holder is empty"
        );
    }
}
  
?>

Output:

PHPUnit 8.2.5 by Sebastian Bergmann and contributors.

.                                                                   1 / 1 (100%)

Time: 67 ms, Memory: 10.00 MB

OK (1 test, 1 assertion)

Note: To run testcases with phpunit follow steps from here. Also, assertNotEmpty() is supported by phpunit 7 and above.




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