Functions/Block-UntilExchangeOnlineUserAvailable.Tests.ps1
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describe "BitTitan.Runbooks.ExchangeOnline/Block-UntilExchangeOnlineUserAvailable" -Tag "module", "unit" { # Import the function to test . "$($PSScriptRoot)\Block-UntilExchangeOnlineUserAvailable.ps1" # Declare external functions and mocks function Get-User { param ($Identity) } context "when the user is immediately available" { # Declare mocks mock Get-User { return [PSCustomObject]@{ UserPrincipalName = "user@domain.com" } } it "returns the user after trying once" { # Call the function $output = Block-UntilExchangeOnlineUserAvailable -Identity "user@domain.com" -WaitLimitSeconds 20 -WaitIntervalSeconds 1 # Verify the mocks Assert-MockCalled Get-User -Times 1 -Exactly -ParameterFilter { $Identity -eq "user@domain.com" } -Scope it # Verify the output $output.UserPrincipalName | Should Be "user@domain.com" } } context "when the user is available after several tries" { # Declare mocks $Global:numTries = 0 mock Get-User { ++$Global:numTries if ($Global:numTries -ge 5) { return [PSCustomObject]@{ UserPrincipalName = "user@domain.com" } } } it "returns the user after trying several times" { # Call the function $output = Block-UntilExchangeOnlineUserAvailable -Identity "user@domain.com" -WaitLimitSeconds 20 # Verify the mocks Assert-MockCalled Get-User -Times 5 -Exactly -ParameterFilter { $Identity -eq "user@domain.com" } -Scope it # Verify the output $output.UserPrincipalName | Should Be "user@domain.com" } } context "when the user is not available" { # Declare mocks mock Get-User {} it "returns null and outputs an error" { # Call the function $output = Block-UntilExchangeOnlineUserAvailable -Identity "user@domain.com" -WaitLimitSeconds 5 ` -ErrorAction SilentlyContinue -ErrorVariable errorVariable # Verify the output $errorVariable | Should Not BeNullOrEmpty $output | Should Be $null } } } |