[Solved] What will happen when running this Pester test?Describe 'String Tests' { It 'checks if string is empty' { '' | Should -BeNullOrEmpty } } | PowerShell

PowerShell - Scripting Best Practices

What will happen when running this Pester test?

Describe 'String Tests' {
  It 'checks if string is empty' {
    '' | Should -BeNullOrEmpty
  }
}

ATest fails because Should does not support -BeNullOrEmpty

BTest fails because string is not null

CTest passes because string is empty

DTest throws runtime error

Step-by-Step Solution

Solution:

Step 1: Understand the test condition
The test checks if an empty string is null or empty, which is true.
Step 2: Confirm Pester supports -BeNullOrEmpty
-BeNullOrEmpty is a valid Pester assertion for strings.
Final Answer:
Test passes because string is empty -> Option C
Quick Check:
Empty string check = Test passes [OK]

Quick Trick: Use -BeNullOrEmpty to check empty strings [OK]

Common Mistakes:

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What will happen when running this Pester test?