PowerBolt

0.0.4-alpha

test/module/Update-RootModuleUsingStatements.Tests.ps1

using module ..\.\TestRunnerSupportModule.psm1

Describe "Test Update-RootModuleUsingStatements" {
    BeforeAll {
        $TestSupportModule = [TestRunnerSupportModule]::new('MockModuleA')
    }
    
    AfterAll {
        $TestSupportModule.Teardown()
    }
    
    Context "Recurse src directory for correct function files" {

        It "Should modify empty root module 'using' statments" {
            Update-RootModuleUsingStatements -Path 'TestDrive:\MockModuleA'
            $Results = Get-Content -Path 'TestDrive:\MockModuleA\MockModuleA.psm1'
            $Results.Count | Should -Be 4

            $Assert = $Results[0] 
            $Assert | Should -Be 'using module .\src\C\Get-CFunction.ps1'

            $Assert = $Results[1] 
            $Assert | Should -Be 'using module .\src\C\Set-CFunction.ps1'

            $Assert = $Results[2] 
            $Assert | Should -Be 'using module .\src\Get-AFunction.ps1'

            $Assert = $Results[3] 
            $Assert | Should -Be 'using module .\src\Get-BFunction.ps1'
        }

        It "Should modify root module which declares a function with 'using' statements" {
            Set-Content -Path 'TestDrive:\MockModuleA\MockModuleA.psm1' -Value @"
function Remove-CFunction {
[CmdletBinding()]
param (
 
)
 
}
"@
            Update-RootModuleUsingStatements -Path 'TestDrive:\MockModuleA'
            $Results = Get-Content -Path 'TestDrive:\MockModuleA\MockModuleA.psm1'
            $Results.Count | Should -Be 12

            $Assert = $Results[0] 
            $Assert | Should -Be 'using module .\src\C\Get-CFunction.ps1'

            $Assert = $Results[1] 
            $Assert | Should -Be 'using module .\src\C\Set-CFunction.ps1'

            $Assert = $Results[2] 
            $Assert | Should -Be 'using module .\src\Get-AFunction.ps1'

            $Assert = $Results[3] 
            $Assert | Should -Be 'using module .\src\Get-BFunction.ps1'

            $Assert = $Results[4] 
            $Assert | Should -Be ''
        }

        It "Should modify root module which declares a function and contains a 'using' statement with more statements" {
            Set-Content -Path 'TestDrive:\MockModuleA\MockModuleA.psm1' -Value @"
using module .\src\C\New-CFunction.ps1'
function Remove-CFunction {
[CmdletBinding()]
param (
 
)
 
}
"@ 
            Update-RootModuleUsingStatements -Path 'TestDrive:\MockModuleA'
            $Results = Get-Content -Path 'TestDrive:\MockModuleA\MockModuleA.psm1'
            $Results.Count | Should -Be 12

            $Assert = $Results[0] 
            $Assert | Should -Be 'using module .\src\C\Get-CFunction.ps1'

            $Assert = $Results[1] 
            $Assert | Should -Be 'using module .\src\C\Set-CFunction.ps1'

            $Assert = $Results[2] 
            $Assert | Should -Be 'using module .\src\Get-AFunction.ps1'

            $Assert = $Results[3] 
            $Assert | Should -Be 'using module .\src\Get-BFunction.ps1'

            $Assert = $Results[4] 
            $Assert | Should -Be ''
        }

        It "Should modify root module which declares a function and contains a 'using' statement with more statements and one of the files it finds has a '# NoExport:' tag" {
            Set-Content -Path 'TestDrive:\MockModuleA\MockModuleA.psm1' -Value @"
using module .\src\C\New-CFunction.ps1'
function Remove-CFunction {
[CmdletBinding()]
param (
 
)
 
}
"@
            New-Item -Path 'TestDrive:\MockModuleA\src\D' -ItemType Directory
            New-Item -Path 'TestDrive:\MockModuleA\src\D\Set-DFunction.ps1' -ItemType File -Value @"
using module ..\C\New-CFunction.ps1'
function Set-DFunction {
[CmdletBinding()]
param (
 
)
 
}
# NoExport: Remove-DFunction
function Remove-DFunction {
[CmdletBinding()]
param (
 
)
 
}
function Get-DFunction {
[CmdletBinding()]
param (
 
)
 
}
"@ 
            Update-RootModuleUsingStatements -Path 'TestDrive:\MockModuleA'
            'TestDrive:\MockModuleA\MockModuleA.psm1' | Should -not -FileContentMatch ([regex]::Escape('Remove-DFunction')) 

            $Results = Get-Content -Path 'TestDrive:\MockModuleA\MockModuleA.psm1'
            $Results.Count | Should -Be 13

            $Assert = $Results[0] 
            $Assert | Should -Be 'using module .\src\C\Get-CFunction.ps1'

            $Assert = $Results[1] 
            $Assert | Should -Be 'using module .\src\C\Set-CFunction.ps1'

            $Assert = $Results[2] 
            $Assert | Should -Be 'using module .\src\D\Set-DFunction.ps1'

            $Assert = $Results[3] 
            $Assert | Should -Be 'using module .\src\Get-AFunction.ps1'

            $Assert = $Results[4] 
            $Assert | Should -Be 'using module .\src\Get-BFunction.ps1'
            
            $Assert = $Results[5] 
            $Assert | Should -Be ''
        }

        It "Should not 'touch' (change modification date) root module when nothing has been modified." {
            $MockModuleAContent = @"
using module .\src\C\Get-CFunction.ps1
using module .\src\C\Set-CFunction.ps1
using module .\src\D\Set-DFunction.ps1
using module .\src\Get-AFunction.ps1
using module .\src\Get-BFunction.ps1
 
function Remove-CFunction {
[CmdletBinding()]
param (
 
)
 
}
"@
            $MockModuleAContentArray = $($MockModuleAContent -split "`n").TrimEnd("`r")

            Set-Content -Path 'TestDrive:\MockModuleA\MockModuleA.psm1' -Value $MockModuleAContent -NoNewline

            Update-RootModuleUsingStatements -Path 'TestDrive:\MockModuleA'

            $Results = (Get-Content -Path 'TestDrive:\MockModuleA\MockModuleA.psm1')

            $Differences = Compare-Object -ReferenceObject $MockModuleAContentArray -DifferenceObject $Results -PassThru
            $Differences | Should -Be $null
        }
    }
}