dotCoverTestCoverageFromTemplateFile.ps1

<#
    .SYNOPSIS
      Finds all test .dlls and adds them to a code coverage run.
      Generates a code coverage report.
    .EXAMPLE
     "ExecuteCodeCoverage.ps1 -testDllDir . -reportOutDir .\report -reportOutFormat html -testRunnerDir ."
     All arguments are optional. Should work like magic.
#>

param (
    [Parameter(Mandatory=$false)][string] $testDllDir,
    [Parameter(Mandatory=$false)][string] $reportOutDir,
    [Parameter(Mandatory=$false)][string] $reportOutFormat,
    [Parameter(Mandatory=$false)][string] $testRunnerDir
)

$tempDir = (Resolve-Path -EA Stop '.').Path + "\tmp_cover"

if(!(test-path $tempDir))
{
    New-Item -ItemType Directory -Force -Path $tempDir
}

if(!($testDllDir))
{
    # go up one directory
    $testDllDir = (Resolve-Path -EA Stop '..').Path    
}

if(!($reportOutFormat))
{
    # html by default
    $reportOutFormat = "html"    
}

if(!($reportOutDir))
{
    $reportOutDir = (Resolve-Path -EA Stop '.').Path
}

if(!($testRunnerDir))
{
    $testRunnerDir = (Resolve-Path -EA Stop (Join-Path(Get-Item env:VS*COMNTOOLS)[-1].Value '..\IDE\MSTest.exe')).Path
}

"==== called with args[] ====" | Add-Content -Encoding utf8 "ExecuteCoveragePS1.log"
foreach ($key in $MyInvocation.BoundParameters.keys)
{
    $value = (get-variable $key).Value 
    "$key -> $value" | Add-Content -Encoding utf8 "ExecuteCoveragePS1.log"
}

$timestamp = (Get-Date).ToString("yyyy-MM-dd_HHmmss")
$reportOutDir += "\report_$timestamp"
$reportOutPath = "$reportOutDir\report.$reportOutFormat"

if( -Not (Test-Path -Path $reportOutDir))
{
    New-Item -ItemType directory -Path $reportOutDir
}

$dlls = (Get-ChildItem -Path "$testDllDir" -Recurse -Filter "*Test?.dll" | Select-Object -ExpandProperty FullName) | Where-Object { $_ -notmatch "TestResults\\" }
[string[]] $testContainers = @()
$dlls | Foreach-Object { $testContainers += "/testcontainer:`"" + $_ + "`"" }

"==== testDllDir[] ====" | Add-Content -Encoding utf8 "ExecuteCoveragePS1.log"
foreach ($dll in $dlls)
{
    "$dll" | Add-Content -Encoding utf8 "ExecuteCoveragePS1.log"
}

$testContainersString = $testContainers -join " "

$placeholder_Containers = "[TestContainers]"
$placeholder_TestRunner = "[TestRunner]"
$placeholder_ReportDir = "[TestReport]"
$placeholder_ReportFormat = "[ReportFormat]"
$placeholder_tmpDir = "[TmpDir]"
$placeholder_WorkingDir = "[WorkingDir]"

$templateDir = Split-Path -Parent $MyInvocation.MyCommand.Path
$configTemplate = Get-Content -Path "$templateDir\dotCover_config_template.xml" | Out-String

$configTemplate = $configTemplate.Replace($placeholder_Containers, $testContainersString)
$configTemplate = $configTemplate.Replace($placeholder_TestRunner, $testRunnerDir)
$configTemplate = $configTemplate.Replace($placeholder_ReportDir, $reportOutDir)
$configTemplate = $configTemplate.Replace($placeholder_ReportFormat, $reportOutFormat)
$configTemplate = $configTemplate.Replace($placeholder_tmpDir, $tempDir)
$configTemplate = $configTemplate.Replace($placeholder_WorkingDir, $testDllDir)

$configTemplate | Out-File -Encoding "UTF8" "$templateDir\dotCover_config_generated.xml"

dotcover analyse "$templateDir\dotCover_config_generated.xml" /output=$reportOutPath | Add-Content -Encoding utf8 "ExecuteCoveragePS1.log"