今天继续学习Pester，invoke-pester有一个很nb的选项叫codeCoverage，可以指定需要测试的脚本，function甚至某一个片段的范围，然后他会告诉你这个范围内的功能是否都测试过了。
来个实例看看,豆子直接在上一篇的脚本里面添加了一个switchtest的function，然后测试了其中一个if的功能
Test.ps1
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function
add {
param
(
[int]
$a
,
[int]
$b
)
$sum
=
$a
+
$b
$sum
}
function
switchtest{
param
(
[switch]
$switch
)
if
(
$switch
){
return
"Switch is On"
}
else
{
return
"Switch is Off"
}
}
|
Test.tests.ps1
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$here
=
Split-Path
-Parent
$MyInvocation
.MyCommand.Path
$sut
= (
Split-Path
-Leaf
$MyInvocation
.MyCommand.Path)
-replace
'\.Tests\.'
,
'.'
.
"$here\$sut"
Describe
"Test"
{
Context
"Should be test"
{
It
"Add 1 and 2 is equal to 3"
{
add 1 2 | Should Be 3
}
It
"Add -1 and 2 is not equal to 0"
{
add -1 2 | Should not Be 0
}
It
"Test Switch option"
{
switchtest -
switch
| Should be
"Switch is on"
}
}
Context
"Should BeExactly test"
{
It
"HostName"
{
hostname | Should beexactly
"yli-ise"
}
}
Context
"Should BeGreaterThan test"
{
It
"PsVersion is above 3"
{
$PSVersionTable
.PSVersion.Major | Should beGreaterThan 3
}
}
Context
"Should beOfType test"
{
It
"Get-ADUser type"
{
Get-aduser
yli | Should beoftype Microsoft.ActiveDirectory.Management.ADUser
}
}
Context
"Should Exist test"
{
It
"C:\temp exist"
{
"c:\temp"
| should exist
}
}
Context
"Should match test"
{
It
"Find Email"
{
"jksjsjsjssdjs abc.xyz@yahoo.com hsosofs"
| should match
"[a-z0-9!#\$%&'*+/=?^_`{|}~-]+(?:\.[a-z0-9!#\$%&'*+/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?"
}
}
Context
"Should Throw test"
{
It
"Get a non-exist Process"
{
{
Get-Process
-Name
"!@#$%&"
-ErrorAction Stop} | Should Throw
}
}
Context
"Should BeNullorEmpty test"
{
It
"Get something from test folder"
{
get-childitem
C:\temp | should not benullorempty
}
}
}
|
执行看看，最后他告诉我在我指定的脚本里面，只完成了80%的测试，因为if语句的还有一个分支我没有测试
改变一下脚本的范围，只测试16-18行的内容，那么最后报告表示选择范围的功能已经100%测试过了
本文转自 beanxyz 51CTO博客，原文链接：http://blog.51cto.com/beanxyz/1790262，如需转载请自行联系原作者
