[英]How to write Pester Unit Test for ranges of values with multiple decimals
I have a PowerShell function that returns value with multiple decimals from a range of values. 我有一个PowerShell函数,它返回一系列值中带有多个小数的值。 How do I write Pester unit test for this kind of function. 如何为这种功能编写Pester单元测试。 This kind of function is used to check version of some of applications like Outlook. 这种功能用于检查某些应用程序(如Outlook)的版本。
function randomVersion{
$randomVersion= Get-Random -InputObject '14.1.3.5397', '14.2.3.5399', '15.4.2.1327', '15.5.2.1328', '16.3.7.9437', '16.7.7.9438'
return $randomVersion
}
Any way you like, depending on what exactly you want to test - Pester is Powershell code, so you could do a regex match on the string pattern: 任何你喜欢的方式,取决于你想要测试的东西--Pester是Powershell代码,所以你可以在字符串模式上进行正则表达式匹配:
randomVersion | should -Match -RegularExpression '^(14|15|16)\.[0-9]+\.[0-9]+\.[0-9]+$'
Or you could write more code around it to test more things, eg 或者你可以在它周围编写更多代码来测试更多的东西,例如
function randomVersion
{
Get-Random -InputObject '1', 'test', '14.1.3.5397', '14.2.3.5399', '15.4.2.1327', '15.5.2.1328', '16.3.7.9437', '16.7.7.9438'
}
Import-Module -Name Pester
Describe "Tests for randomVersion" {
It "works" {
$result = randomVersion
$version = $result -as [version]
$version | Should -not -BeNullOrEmpty
if ($version)
{
$version.Major | Should -BeIn 14, 15, 16
}
}
}
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