Tests/Get-SubnetSize.tests.ps1
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Import-Module $PSScriptRoot\..\Functions\Get-SubnetSize.ps1 -Force -Verbose Describe 'Get-SubnetSize' { Context 'Script Analyzer' { It 'Does not have any issues with the Script Analyser - Get-SubnetSize' { Invoke-ScriptAnalyzer $PSScriptRoot\..\Functions\Get-SubnetSize.ps1 | Should be $null } } Context 'CIDR Validation' { It 'Does not accept null CIDR' { {Get-SubnetSize -CIDR $null} | Should Throw } It 'Does not accept empty string CIDR' { {Get-SubnetSize -CIDR ''} | Should Throw } It 'Does not accept invalid CIDR ranges (1)' { {Get-SubnetSize -CIDR 'cat'} | Should Throw } It 'Does not accept invalid CIDR ranges (2)' { {Get-SubnetSize -CIDR '321.321.321.321/24'} | Should Throw } It 'Does not accept invalid CIDR ranges (3)' { {Get-SubnetSize -CIDR '321.123.123.123/24'} | Should Throw } It 'Does not accept invalid CIDR ranges (4)' { {Get-SubnetSize -CIDR '123.321.123.123/24'} | Should Throw } It 'Does not accept invalid CIDR ranges (5)' { {Get-SubnetSize -CIDR '123.123.321.123/24'} | Should Throw } It 'Does not accept invalid CIDR ranges (6)' { {Get-SubnetSize -CIDR '123.123.123.321/24'} | Should Throw } It 'Does not accept invalid CIDR ranges (7)' { {Get-SubnetSize -CIDR '123/24'} | Should Throw } It 'Does not accept invalid CIDR ranges (8)' { {Get-SubnetSize -CIDR '123.123.123.123'} | Should Throw } It 'Does not accept invalid CIDR ranges (9)' { {Get-SubnetSize -CIDR '123.123.123.123/50'} | Should Throw } It 'Does not accept invalid CIDR ranges (9)' { {Get-SubnetSize -CIDR '123.123.123.123.123/16'} | Should Throw } } Context 'CIDR size calculation' { It 'Calculates the size of 192.168.0.0/24' { Get-SubnetSize -CIDR '192.168.0.0/24' | should be 254 } It 'Calculates the size of 192.168.0.0/24 excluding network and broadcast addresses' { Get-SubnetSize -CIDR '192.168.0.0/24' -IncludeSubnetIDAndBroadcastAddress | should be 256 } It 'Calculates the size of 172.16.0.0/16' { Get-SubnetSize -CIDR '172.16.0.0/16' | should be 65534 } It 'Calculates the size of 172.16.0.0/16 excluding network and broadcast addresses' { Get-SubnetSize -CIDR '172.16.0.0/16' -IncludeSubnetIDAndBroadcastAddress | should be 65536 } It 'Calculates the size of 10.0.0.0/8' { Get-SubnetSize -CIDR '10.0.0.0/8' | should be 16777214 } It 'Calculates the size of 10.0.0.0/8 excluding network and broadcast addresses' { Get-SubnetSize -CIDR '10.0.0.0/8' -IncludeSubnetIDAndBroadcastAddress | should be 16777216 } It 'Calculates the size of 10.0.0.0/29' { Get-SubnetSize -CIDR '10.0.0.0/29' | should be 6 } It 'Calculates the size of 10.0.0.0/29 excluding network and broadcast addresses' { Get-SubnetSize -CIDR '10.0.0.0/29' -IncludeSubnetIDAndBroadcastAddress | should be 8 } It 'Calculates the size of 10.0.0.0/23' { Get-SubnetSize -CIDR '10.0.0.0/23' | should be 510 } It 'Calculates the size of 10.0.0.0/23 excluding network and broadcast addresses' { Get-SubnetSize -CIDR '10.0.0.0/23' -IncludeSubnetIDAndBroadcastAddress | should be 512 } } Context 'Subnet mask Validation' { It 'does not accept null as a subnet mask' { {Get-SubnetSize -SubnetMask $null} | Should Throw } It 'does not accept an empty string as a subnet mask' { {Get-SubnetSize -SubnetMask ''} | Should Throw } It 'Does not accept invalid subnet mask (1)' { {Get-SubnetSize -SubnetMask 'cat'} | Should Throw } It 'Does not accept invalid subnet mask (2)' { {Get-SubnetSize -SubnetMask '321.321.321.321'} | Should Throw } It 'Does not accept invalid subnet mask (3)' { {Get-SubnetSize -SubnetMask '321.123.123.132'} | Should Throw } It 'Does not accept invalid subnet mask (4)' { {Get-SubnetSize -SubnetMask '123.321.123.123'} | Should Throw } It 'Does not accept invalid subnet mask (5)' { {Get-SubnetSize -SubnetMask '123.123.321.123'} | Should Throw } It 'Does not accept invalid subnet mask (6)' { {Get-SubnetSize -SubnetMask '123.123.123.321'} | Should Throw } It 'Does not accept invalid subnet mask (7)' { {Get-SubnetSize -SubnetMask '123.123.123.123.123'} | Should Throw } } Context 'SubnetMask Value Tests' { It 'Calculates the size of 255.255.255.0' { Get-SubnetSize -SubnetMask '255.255.255.0' | should be 254 } It 'Calculates the size of 255.255.255.0 excluding network and broadcast addresses' { Get-SubnetSize -SubnetMask '255.255.255.0' -IncludeSubnetIDAndBroadcastAddress | should be 256 } It 'Calculates the size of 255.255.254.0' { Get-SubnetSize -SubnetMask '255.255.254.0' | should be 510 } It 'Calculates the size of 255.255.254.0 excluding network and broadcast addresses' { Get-SubnetSize -SubnetMask '255.255.254.0' -IncludeSubnetIDAndBroadcastAddress | should be 512 } It 'Calculates the size of 255.255.0.0' { Get-SubnetSize -SubnetMask '255.255.0.0' | should be 65534 } It 'Calculates the size of 255.255.0.0 excluding network and broadcast addresses' { Get-SubnetSize -SubnetMask '255.255.0.0' -IncludeSubnetIDAndBroadcastAddress | should be 65536 } It 'Calculates the size of 255.0.0.0' { Get-SubnetSize -SubnetMask '255.0.0.0' | should be 16777214 } It 'Calculates the size of 255.0.0.0 excluding network and broadcast addresses' { Get-SubnetSize -SubnetMask '255.0.0.0' -IncludeSubnetIDAndBroadcastAddress | should be 16777216 } It 'Calculates the size of 255.255.255.248' { Get-SubnetSize -SubnetMask '255.255.255.248' | should be 6 } It 'Calculates the size of 255.255.255.248 excluding network and broadcast addresses' { Get-SubnetSize -SubnetMask '255.255.255.248' -IncludeSubnetIDAndBroadcastAddress | should be 8 } It 'Calculates the size of 255.255.255.128' { Get-SubnetSize -SubnetMask '255.255.255.128' | should be 126 } It 'Calculates the size of 255.255.255.128 excluding network and broadcast addresses' { Get-SubnetSize -SubnetMask '255.255.255.128' -IncludeSubnetIDAndBroadcastAddress | should be 128 } } } |