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PHPUnit assertEqualsIgnoringCase() Function

  • Last Updated : 17 Aug, 2020

The assertEqualsIgnoringCase() function is a builtin function in PHPUnit and is used to check whether the expected string is equal to actual string ignoring the string-case of expected string. This assertion will return true in the case if the actual string is equal to expected string  ignoring case-sensitivity, else return false. In case of true the asserted test case got passed else test case got failed.

Syntax:

assertEqualsIgnoringCase(mixed $expected, 
      mixed $actual[, string $message = '']

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

  • $expected: This parameter is a string that represents the expected data.
  • $actual: This parameter is a string that represents the actual data.
  • $message: This parameter takes a string value. When the test case got failed this string message got displayed as an error message.

Below programs illustrate the assertEqualsIgnoringCase() function:

Example 1:



PHP




<?php 
use PHPUnit\Framework\TestCase; 
    
class GeeksPhpunitTestCase extends TestCase 
    public function testNegativeTestcaseForAssertequalIgnoringCase() 
    
        $expected = "Geek"
        $actual= "geEks";  
        // assert function to test whether expected string
        // is equal or not to actual ignoring case
        $this->assertEqualsIgnoringCase(
          $actual,
          $expected
          "expected is not equal to actual ignoring case") ; 
    
    
?> 

Output:

PHPUnit 8.5.8 by Sebastian Bergmann and contributors.

F                                                         1 / 1 (100%)

Time: 88 ms, Memory: 10.00 MB

There was 1 failure:

1) GeeksPhpunitTestCase::testNegativeTestcaseForAssertequalIgnoringCase
expected is not equal to actual ignoring case
Failed asserting that two strings are equal.
--- Expected
+++ Actual
@@ @@
-'geEks'
+'Geek'

/home/lovely/Documents/php/test.php:17

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


Example 2:

PHP




<?php 
use PHPUnit\Framework\TestCase; 
    
class GeeksPhpunitTestCase extends TestCase 
    public function testPositiveTestcaseForAssertequalIgnoringCase() 
    
        $expected = "Geeks"
        $actual= "geEks";  
        // assert function to test whether expected
        // is equal or not to actual ignoring case
        $this->assertEqualsIgnoringCase(
          $actual,
          $expected
          "expected is not equal to actual ignoring case") ; 
    
    
?> 

Output:

PHPUnit 8.5.8 by Sebastian Bergmann and contributors.

.                                             1 / 1 (100%)

Time: 91 ms, Memory: 10.00 MB

OK (1 test, 1 assertion)

Reference: https://phpunit.readthedocs.io/en/9.2/assertions.html#assertequalsignoringcase




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