PHPUnit assertIsResource()函数
assertIsResource()函数是 PHPUnit 中的内置函数,用于断言给定变量是否为 Resource。如果给定变量是 Resource,则此断言将返回 true,否则返回 false。如果为真,则断言的测试用例通过,否则测试用例失败。
句法:
assertIsResource($actual[, $message = ''])
参数:此函数接受上述两个参数,如下所述:
- $variable:此参数是代表实际数据的任何类型的变量。
- $message:此参数采用字符串值。当测试用例失败时,此字符串消息显示为错误消息。
下面的例子说明了 PHPUnit 中的 assertIsResource()函数:
示例 1:
PHP
assertIsResource(
$variable,
"assert variable is resource or not"
);
}
}
?>
PHP
assertIsResource(
$variable,
"assert variable is Iterable or not"
);
fclose($variable);
}
}
?>
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::testNegativeTestcaseForassertIsResource
assert variable is resource or not
Failed asserting that 555 is of type "resource".
/home/lovely/Documents/php/test.php:14
FAILURES!
Tests: 1, Assertions: 1, Failures: 1.
示例 2:
PHP
assertIsResource(
$variable,
"assert variable is Iterable or not"
);
fclose($variable);
}
}
?>
输出:
PHPUnit 8.5.8 by Sebastian Bergmann and contributors.
. 1 / 1 (100%)
Time: 613 ms, Memory: 10.00 MB
OK (1 test, 1 assertion)
参考: https://phpunit.readthedocs.io/en/9.2/assertions.html#assertisresource