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PHPUnit | AssertStringNotContainsStringIgnoringCase () Function

Syntax:
assertStringNotContainsStringIgnoringCase (string $substring, string $string, string $message = ’’]) 
Parameters: This function takes three parameters as shown in the above syntax. The parameters are described below:
  • $substring: this parameter represents a string that will be a substring of the given string.
  • $string: this parameter is a string for which the assert function will check if it contains a substring (ignoring case) or not.
  • $message: this parameter accepts a string value. When the test case failed, this string message was displayed as an error message.
The following programs illustrate the assertStringNotContainsStringIgnoringCase() function: Program 1: use PHPUnitFrameworkTestCase; class GeeksPhpunitTestCase extends TestCase { public function testNegativeTestcaseForAssertStringNotContainsStringIgnoringCase() { $testString = " geekforgeek " ; $substring = "gEek" ; // Assert function to check if ’ geek ’ substring // testString ignoring case sensitivity $this -> assertStringNotContainsStringIgnoringCase ( $substring , $testString , "testString contains’ gEek’ as substring " ); } }  
?>
Output:
PHPUnit 8.2.5 by Sebastian Bergmann and contributors. F 1/1 (100%) Time: 63 ms, Memory: 10.00 MB There was 1 failure: 1) GeeksPhpunitTestCase::testNegativeTestcaseForAssertStringNotContainsStringIgnoringCase testString contains ’gEek’ as substring Failed asserting that’ geekforgeek’ does not contain "geek". /home/shivam/Documents/engineer/phpunit/abc.php:11 FAILURES! Tests: 1, Assertions: 1, Failures: 1. 
Program 2: use PHPUnitFrameworkTestCase; class GeeksPhpunitTestCase extends TestCase { public function testPositiveTestcaseForAssertStringNotContainsStringIgnoringCase() { $testString = " geekforgeek " ; $substring = "geEks" ; // Function assertion to check if ’ gEeks ’ substring testString $this -> assertStringNotContainsStringIgnoringCase ( $substring , $testString , "testString contains’ geEks’ as substring " ); } }  
?>
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 steps follows from here . Additionally, assertStringNotContainsStringIgnoringCase() is supported by phpunit 7 and above.

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