Scripts/MyScript.tests.ps1
|
# this is a Pester test file #region Further Reading # http://www.powershellmagazine.com/2014/03/27/testing-your-powershell-scripts-with-pester-assertions-and-more/ #endregion #region LoadScript # load the script file into memory # attention: make sure the script only contains function definitions # and no active code. The entire script will be executed to load # all functions into memory . ($PSCommandPath -replace '\.tests\.ps1$', '.ps1') #endregion # describes the function script:Get-Foo Describe 'script:Get-Foo' { # scenario 1: call the function without arguments Context 'Running without arguments' { # test 1: it does not throw an exception: It 'runs without errors' { # Gotcha: to use the "Should Not Throw" assertion, # make sure you place the command in a # scriptblock (braces): { script:Get-Foo } | Should Not Throw } It 'does something' { # call function script:Get-Foo and pipe the result to an assertion # Example: # script:Get-Foo | Should Be 'Expected Output' # Hint: # Once you typed "Should", press CTRL+J to see # available code snippets. You can also click anywhere # inside a "Should" and press CTRL+J to change assertion. # However, make sure the module "Pester" is # loaded to see the snippets. If the module is not loaded yet, # no snippets will show. } # test 2: it returns nothing ($null): It 'does not return anything' { script:Get-Foo | Should BeNullOrEmpty } } } |