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PHP PHPUnit assertIsScalar()用法及代碼示例

assertIsScalar()函數是PHPUnit中的內置函數,用於斷言標量變量是那些包含整數,浮點數,字符串或布爾值的變量。此函數不將null視為標量。如果實際值為標量,則此斷言將返回true,否則返回false。如果為真,則通過斷言的測試用例,否則測試用例失敗。

用法:

assertIsScalar($actual[, $message = ''])

參數:此函數接受下麵提到和描述的兩個參數:

  • $actual:此參數可以是代表實際數據的任何類型的字符串或變量。
  • $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。

以下示例說明了PHPUnit中的assertIsScalar()函數:

範例1:



PHP

<?php  
use PHPUnit\Framework\TestCase;  
    
class GeeksPhpunitTestCase extends TestCase  
{  
    public function testNegativeForassertIsScalar() 
    {    
     $actualvalue = Null; 
        // Assert function to test whether actual  
        // value is a scalar or not 
        $this->assertIsScalar( 
          
            $actualvalue,  
            "actual value is a scalar or not"
        ); 
          
    } 
   
 }  
?> 

輸出:

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::testNegativeForassertIsScalar
actual value is a scalar or not
Failed asserting that null is of type "scalar".

/home/lovely/Documents/php/test.php:14

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

範例2:

PHP

<?php  
use PHPUnit\Framework\TestCase;  
    
class GeeksPhpunitTestCase extends TestCase  
{  
    public function testPositiveForassertIsScalar() 
    {    
     $actualvalue = "Null"; 
        // Assert function to test whether actual  
        // value is a any type of string or not 
        $this->assertIsScalar( 
          
            $actualvalue,  
            "actual value is a scalar or not"
        ); 
          
    } 
  
  
     public function testNegativeForassertIsScalar() 
    {    
     $actualvalue = 420; 
            // Assert function to test whether actual  
        // value is a integer or not 
        $this->assertIsScalar( 
          
            $actualvalue,  
            "actual value is a scalar or not"
        ); 
          
    } 
   
 }  
?> 

輸出:

PHPUnit 8.5.8 by Sebastian Bergmann and contributors.

..                                                2 / 2 (100%)

Time:90 ms, Memory:10.00 MB

OK (2 tests, 2 assertions)

參考: https://phpunit.readthedocs.io/en/9.2/assertions.html#assertisscalar




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注:本文由純淨天空篩選整理自shubham_singh大神的英文原創作品 PHPUnit assertIsScalar() Function。非經特殊聲明,原始代碼版權歸原作者所有,本譯文未經允許或授權,請勿轉載或複製。