PHPUnit assertIsNumeric()函数
assertIsNumeric()函数是PHPUnit中的内置函数,用于断言给定的实际变量是否为数字。如果实际变量是数字,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:
assertIsNumeric($actual[, $message = ''])
参数:该函数接受上面提到的两个参数,如下所述:
- $actual:这个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 assertIsNumeric()函数:
示例 1:
PHP
assertIsNumeric(
$actualvalue,
"actual value is Numeric or not"
);
}
}
?>
PHP
assertIsNumeric(
$actualvalue,
"actual value is Numeric or not"
);
}
}
?>
输出:
PHPUnit 8.5.8 by Sebastian Bergmann and contributors.
F 1 / 1 (100%)
Time: 86 ms, Memory: 10.00 MB
There was 1 failure:
1) GeeksPhpunitTestCase::testNegativeForassertIsNumeric
actual value is Numeric or not
Failed asserting that 'hello' is of type "numeric".
/home/lovely/Documents/php/test.php:15
FAILURES!
Tests: 1, Assertions: 1, Failures: 1.
示例 2:
PHP
assertIsNumeric(
$actualvalue,
"actual value is Numeric or not"
);
}
}
?>
输出:
PHPUnit 8.5.8 by Sebastian Bergmann and contributors.
. 1 / 1 (100%)
Time: 87 ms, Memory: 10.00 MB
OK (1 test, 1 assertion)
参考: https://phpunit.readthedocs.io/en/9.2/assertions.html#assertisnumeric