assertXmlStringEqualsXmlString()函數是PHPUnit中的內置函數,用於斷言實際的XML字符串是否等於預期的XML字符串。如果預期的XML字符串與實際的XML字符串相同,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:
assertXmlStringEqualsXmlString(string $expectedXml, string $actualXml[, string $message = ''])
參數:此函數接受上述和以下所述的三個參數:
- $expectedXmlString:此參數可以是代表期望的XML字符串的任何類型。
- $actualXmlString:此參數可以是代表實際XML字符串的任何類型。
- $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assertXmlStringEqualsXmlString()函數:
範例1:
PHP
<?php
use PHPUnit\Framework\TestCase;
class GeeksPhpunitTestCase extends TestCase
{
public function testNegativeTestcaseForassertXmlStringEqualsXmlString()
{
$expectedxmlString = '<foo><bazx></bazx></foo>';
$actualxmlString = '<foo><baz></baz></foo>';
// Assert function to test whether given
// expected xml string is equal to actual xml string
$this->assertXmlStringEqualsXmlString(
$actualxmlString,
$expectedxmlString,
"actual xml string is equal to expected xml string"
);
}
}
?>
輸出:
PHPUnit 8.5.8 by Sebastian Bergmann and contributors. F 1 / 1 (100%) Time:87 ms, Memory:10.00 MB There was 1 failure: 1) GeeksPhpunitTestCase::testPositiveTestcaseForassertXmlFileNotEqualsXmlFile actual xml string is equal to expected xml string Failed asserting that two DOM documents are equal. --- Expected +++ Actual @@ @@ <?xml version="1.0"?> <foo> - <baz/> + <bazx/> </foo> /home/lovely/Documents/php/test.php:16 FAILURES! Tests:1, Assertions:1, Failures:1.
範例2:
PHP
<?php
use PHPUnit\Framework\TestCase;
class GeeksPhpunitTestCase extends TestCase
{
public function testPositiveTestcaseForassertXmlStringEqualsXmlString()
{
$expectedxmlString = '<foo><baz></baz></foo>';
$actualxmlString = '<foo><baz></baz></foo>';
// Assert function to test whether given
// expected xml string is equal to actual xml string
$this->assertXmlStringEqualsXmlString(
$actualxmlString,
$expectedxmlString,
"actual xml string is equal to expected xml string"
);
}
}
?>
輸出:
PHPUnit 8.5.8 by Sebastian Bergmann and contributors. . 1 / 1 (100%) Time:87 ms, Memory:10.00 MB OK (1 test, 1 assertion)
參考:https://phpunit.readthedocs.io/en/9.2/assertions.html#assertxmlstringequalsxmlstring
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