assertFileEquals()函数是PHPUnit中的内置函数,用于断言实际文件内容是否与预期文件的内容完全相同。如果预期文件内容与实际文件内容相同,则此断言将返回true,否则返回false。如果为真,则通过断言的测试用例,否则测试用例失败。
用法:
assertFileEquals(string $expected, string $actual[, string $message = ''])
参数:此函数接受上述和以下所述的三个参数:
- $expected:此参数是代表所需文件路径的字符串。
- $actual:此参数是代表实际文件路径的字符串。
- $message:此参数采用字符串值。当测试用例失败时,此字符串消息将显示为错误消息。
以下示例程序旨在说明PHPUnit中的assertFileEquals()函数:
范例1:
PHP
<?php
use PHPUnit\Framework\TestCase;
class GeeksPhpunitTestCase extends TestCase
{
public function testNegativeTestcaseForassertFileEquals()
{
$expected = "/home/bittu/php";
$actual = "/home/bittu/Documents";
// Assert function to test whether expected
// file content is equal to actual file content or not
$this->assertFileEquals(
$expected,
$actual,
"actual file content is not equals to expected file content"
);
}
}
?>
输出:
PHPUnit 8.5.8 by Sebastian Bergmann and contributors. F 1 / 1 (100%) Time:89 ms, Memory:10.00 MB There was 1 failure: 1) GeeksPhpunitTestCase::testNegativeTestcaseForassertFileEquals actual file content is not equals to expected file content Failed asserting that file "/home/bittu/php" exists. /home/lovely/Documents/php/test.php:17 FAILURES! Tests:1, Assertions:1, Failures:1.
范例2:
PHP
<?php
use PHPUnit\Framework\TestCase;
class GeeksPhpunitTestCase extends TestCase
{
public function testPositiveTestcaseForassertFileEquals()
{
$expected = "/home/bittu/Documents";
$actual = "/home/bittu/Documents";
// Assert file equal function to test whether expected
// file content is equal to actual file content or not
$this->assertFileEquals(
$expected,
$actual,
"actual file content is not equals to expected file content"
);
}
}
?>
输出:
PHPUnit 8.5.8 by Sebastian Bergmann and contributors. . 1 / 1 (100%) Time:89 ms, Memory:10.00 MB OK (1 test, 3 assertions)
参考:https://phpunit.readthedocs.io/en/9.2/assertions.html#assertfileequals
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注:本文由纯净天空筛选整理自shubham_singh大神的英文原创作品 PHPUnit assertFileEquals() Function。非经特殊声明,原始代码版权归原作者所有,本译文未经允许或授权,请勿转载或复制。