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$syncHash = [hashtable]::Synchronized(@{ 
            Browser = $null
            Window = $null
         })

$psCmd = [powershell]::Create()
$newRunspace = [RunspaceFactory]::CreateRunspace()
$newRunspace.Open()

$newRunspace.SessionStateProxy.SetVariable('syncHash',  $syncHash)

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function k () {
    write-host function k from file
}
$b = "from file"

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function ItWithTag (
    $Name, 
    $Body, 
    $Tag
) {
    if ($null -eq $global:Tags -or 0 -eq $global:Tags.Length -or $global:Tags -contains $Tag) { 
        It $Name $Body
    }
}

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# getting a piece of code from a user that we want to wrap, 
# and execute, we often need to pass in additional parameters
# at least the script itself, and this poses a problem because 
# the parameter name will conflict with the user script. 

# (we want to add a wrapper for example to run two pieces of code 
# in the same scope, without leaking variables into a parent scope)

# here for simplicity all the scriptblocks are running in the 
# same session state, and we chose variable $A to pass the user

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function a () {
    b
}

function b () {
    c
}

function c () {
    throw "error"

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# Logging verbose info to screen is useful for debugging
# but the info is hidden 99% of the time. Problem is that 
# evaluating a string to get the verbose message will run 
# even if we never actually print it, adding overhead to 
# every run, not just runs that are verbose. 

# to avoid this passing a script block that evaluates to the 
# message string conditionally seems to work well

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# runs tests with summary
i { 
b  "Basic" {
    t "Given a scriptblock with 1 test in it, it finds 1 test" {
        $true
    }
}
}

# runs tests without summary

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# Apply a remedy after a Pester test fails to fix the problem that caused 
# the test to fails (eg. all inactive AD users should be disabled, 
# so a remedy is to disable all inactive users)
 
 function RetryAndFix ([scriptBlock]$Test, [scriptBlock]$Fix, $Wait) {

    try {
        & $Test 
    }
    catch {

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Get-Module Pester, A, B | Remove-Module 
Import-Module C:\Projects\Pester_main\Pester.psd1

New-Module A { } | Import-Module 
New-Module B { 
    function Greet ($Name) { Hello -Name $Name } 
    function Hello ($Name) { "Hello, $Name" }

    Export-ModuleMember -Function WrapWrapWrap, Greet
} | Import-Module

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# in module scope
$script:pester


function describe () { 
    $script:pester.EnterBlock("describe") 
}

function it () {