Update the EmbeddedContent package on mulitple Umbraco sites

UpdateEmbeddedContent.ps1

function Update-EmbeddedContent {
	Param([string]$site)

	# Replace DLL
	$source = "Updated\bin\TheFarm.Umbraco.EmbeddedContent.dll"
	$assembly = (Join-Path $site "bin\TheFarm.Umbraco.EmbeddedContent.dll")

	Remove-Item $assembly
	Copy-Item $source -Destination $assembly

	# Replace user control
	# NVM, the user control is the same

	# Remove old handlers from web.config
	$configPath = (Join-Path $site "web.config")
	[xml]$config = Get-Content $configPath
	$xpath = "//handlers/*[@name='UmbracoNodeName'] | //httpHandlers/*[@path='umbraco/REST/umbraconodename']"

	$config.SelectNodes($xpath) | ForEach-Object {
		$_.ParentNode.RemoveChild($_) | Out-Null
	}

	$config.Save($configPath)

	# Update installedPackages.config
	$newPackagePath = "Updated\App_Data\packages\installed\installedPackages.config"
	$packagesPath = (Join-Path $site "App_Data\packages\installed\installedPackages.config")
	[xml]$newPackages = Get-Content $newPackagePath
	[xml]$packages = Get-Content $packagesPath

	$id = ([int]$packages.SelectSingleNode("//package[last()]").Attributes["id"].Value) + 1
	$embeddedXPath = "//package[@name='Embedded Content']"

	$node = $packages.SelectSingleNode($embeddedXPath)
	If ($node -ne $null) {
		$node.ParentNode.RemoveChild($node) | Out-Null 
	}

	$newNode = $newPackages.SelectSingleNode($embeddedXPath)
	$newNode.Attributes["id"].Value = $id
	$packagesNode = $packages.SelectSingleNode("//packages")
	$packagesNode.AppendChild($packagesNode.OwnerDocument.ImportNode($newNode, $true)) | Out-Null

	$packages.Save($packagesPath)
 }

 function Get-EmbeddedContentVersion {
	Param([string]$site)

	$assembly = (Join-Path $site "\bin\TheFarm.Umbraco.EmbeddedContent.dll")
	
	If (Test-Path $assembly) {
		return [System.Diagnostics.FileVersionInfo]::GetVersionInfo($assembly).ProductVersion
	}
	return $null
 }

 function Test-EmbeddedContentOutdated {
	Param([string]$site)

	$version = Get-EmbeddedContentVersion $site
	If (($version -ne $null) -and ($version -ne "1.2.4")) {
		return $true
	}

	return $false
 }

 function Update-EmbeddedContentForAllSitesIn {
	Param([string]$inetpub)

	Get-ChildItem $inetpub -Directory | Foreach-Object {
		$site = $_.FullName
	
		If (Test-EmbeddedContentOutdated $site) {
			Update-EmbeddedContent $site
		}
	}
}

function Get-SitesWhereEmbeddedContentNeedsToBeUdated {
	Param([string]$inetpub)

	$table = @{Expression={Get-EmbeddedContentVersion $_.FullName};Label="Embedded Content Version"}, @{Expression={$_.FullName};Label="Site Path"}
	Get-ChildItem $inetpub -Directory | Where-Object { ((Get-EmbeddedContentVersion $_.FullName) -ne $null) -and ((Get-EmbeddedContentVersion $_.FullName) -ne "1.2.4") } | Format-Table $table
}

UpdateEmbeddedContent.tests.ps1

TestFixture "UpdateTest" {

	$temp = [System.Guid]::NewGuid().ToString()
	$site = (Join-Path $TestScriptPath $Temp)
	Set-Location $TestScriptPath
	
	TestSetup {
		New-Item -type Directory -name $temp
		Copy-Item $TestScriptPath\Target\* -Destination $TestScriptPath\$temp -Recurse
	}

	TestCase "ChecksIfOutdatedCorrectly" {
		. $TestScriptPath\Update.ps1

		Test-EmbeddedContentOutdated (Join-Path $TestScriptPath $temp)| Should Be $true
		Test-EmbeddedContentOutdated (Join-Path $TestScriptPath "Updated") | Should Be $false
	}

	TestCase "AssemblyIsReplaced" {
		. $TestScriptPath\Update.ps1

		$assembly = (Join-Path $site "\bin\TheFarm.Umbraco.EmbeddedContent.dll")

		Test-Path $assembly | Should Be $true
		[System.Diagnostics.FileVersionInfo]::GetVersionInfo($assembly).ProductVersion | Should Not Be "1.2.4" 

		Update-EmbeddedContent $site

		Test-Path $assembly | Should Be $true
		[System.Diagnostics.FileVersionInfo]::GetVersionInfo($assembly).ProductVersion | Should Be "1.2.4" 
	}

	TestCase "HandlersRemovedFromWebConfig" {
		. $TestScriptPath\Update.ps1

		[xml]$config = Get-Content (Join-Path $site "web.config")
		$xpath = "//handlers/*[@name='UmbracoNodeName'] | //httpHandlers/*[@path='umbraco/REST/umbraconodename']"
 
		$config.SelectNodes($xpath).Count | Should Be 3

		Update-EmbeddedContent $site

		[xml]$config = Get-Content (Join-Path $site "web.config")
		$config.SelectNodes($xpath).Count | Should Be 0
	}

	TestCase "PackageUpdatedInInstalledPackagesConfig" {
		. $TestScriptPath\Update.ps1

		$packagesPath = (Join-Path $site "App_Data\packages\installed\installedPackages.config")
		[xml]$packages = Get-Content $packagesPath
		$embeddedXPath = "//package[@name='Embedded Content']"

		$packages.SelectNodes($embeddedXPath).Count | Should Be 1
		$packages.SelectSingleNode($embeddedXPath).Attributes["version"].Value | Should Not Be "1.2.4"

		Update-EmbeddedContent $site

		[xml]$packages = Get-Content $packagesPath

		$packages.SelectNodes($embeddedXPath).Count | Should Be 1
		$packages.SelectSingleNode($embeddedXPath).Attributes["id"].Value | Should Be "24"
		$packages.SelectSingleNode($embeddedXPath).Attributes["version"].Value | Should Be "1.2.4"
	}

	TestTearDown {
		Remove-Item -Recurse -Force $TestScriptPath\$temp
	}
}