PHP PHPUnit assertStringNotContainsString()用法及代碼示例

assertStringNotContainsString()函數是PHPUnit中的內置函數，用於斷言不包含子字符串的字符串。如果該字符串不包含子字符串，則該斷言將返回true；否則，該斷言將返回false；如果為true，則通過斷言的測試用例，否則測試用例將失敗。

用法:

assertStringNotContainsString(string $substring, string $string, string $message = ''])

參數：該函數接受三個參數，如上麵的語法所示。參數說明如下：

• $substring:此參數表示字符串是給定字符串的子字符串。
• $string:此參數是一個字符串，assert函數將對其檢查其是否包含子字符串。
• $message:此參數采用字符串值。當測試用例失敗時，此字符串消息將顯示為錯誤消息。

以下程序說明了PHPUnit中的assertStringNotContainsString()函數：

程序1:

<?php 
use PHPUnit\Framework\TestCase; 
  
class GeeksPhpunitTestCase extends TestCase 
{ 
    public function testNegativeTestcaseForAssertStringNotContainsString() 
    { 
        $testString = "geeksforgeek"; 
        $substring = "geeks";  
  
        // Assert function to test whether 'geeks' is a  
        // substring of testString 
        $this->assertStringNotContainsString($substring, $testString, 
                          "testString  contains 'geeks' as substring") ; 
    } 
} 
  
?>

輸出：

PHPUnit 8.2.5 by Sebastian Bergmann and contributors.

F                                                                   1 / 1 (100%)

Time:72 ms, Memory:10.00 MB

There was 1 failure:

1) GeeksPhpunitTestCase::testNegativeTestcaseForAssertStringNotContainsString
testString  contains 'geeks' as substring
Failed asserting that 'geeksforgeek' does not contain "geeks".

/home/shivam/Documents/geeks/phpunit/abc.php:11

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

程序2:

<?php 
use PHPUnit\Framework\TestCase; 
  
class GeeksPhpunitTestCase extends TestCase 
{ 
    public function testPositiveTestcaseForAssertStringNotContainsString() 
    { 
        $testString = "geekforgeek"; 
        $substring = "geeks";  
  
        // Assert function to test whether 'geeks' is a  
        // substring of testString 
        $this->assertStringNotContainsString($substring, $testString,  
                        "testString contains 'geeks' as substring") ; 
    } 
} 
  
?>

輸出：

PHPUnit 8.2.5 by Sebastian Bergmann and contributors.

.                                                                   1 / 1 (100%)

Time:67 ms, Memory:10.00 MB

OK (1 test, 1 assertion)

注意：要使用phpunit運行測試用例，請遵循此處的步驟。另外，phpunit 7及更高版本支持assertStringNotContainsString()。