param (

[version] [Parameter (Mandatory = $true)] [ValidateNotNullOrEmpty()]

$Version

)

Import-Module (Join-Path $PSScriptRoot "../helpers/pester-extensions.psm1")

Import-Module (Join-Path $PSScriptRoot "../helpers/common-helpers.psm1")

function Get-UseGoLogs {

$logsFolderPath = Join-Path -Path $env:AGENT_HOMEDIRECTORY -ChildPath "_diag" | Join-Path -ChildPath "pages"

$useGoLogFile = Get-ChildItem -Path $logsFolderPath | Where-Object {

$logContent = Get-Content $_.Fullname -Raw

return $logContent -match "GoTool"

} | Select-Object -First 1

return $useGoLogFile.Fullname

}

Describe "Go" {

It "is available" {

"go version" | Should -ReturnZeroExitCode

}

It "version is correct" {

$versionOutput = Invoke-Expression -Command "go version"

$finalVersion = $Version.ToString(3)

If ($Version.Build -eq "0"){

$finalVersion = $Version.ToString(2)

}

$versionOutput | Should -Match $finalVersion

}

It "is used from tool-cache" {

$goPath = (Get-Command "go").Path

$goPath | Should -Not -BeNullOrEmpty

$expectedPath = Join-Path -Path $env:AGENT_TOOLSDIRECTORY -ChildPath "go"

$goPath.startsWith($expectedPath) | Should -BeTrue -Because "'$goPath' is not started with '$expectedPath'"

}

It "cached version is used without downloading" {

# Analyze output of previous steps to check if Go was consumed from cache or downloaded

$useGoLogFile = Get-UseGoLogs

$useGoLogFile | Should -Exist

$useGoLogContent = Get-Content $useGoLogFile -Raw

$useGoLogContent | Should -Match "Found tool in cache"

}

Set-Location -Path "source"

$sourceLocation = Get-Location

It "Run simple code" {

$simpleLocation = Join-Path -Path $sourceLocation -ChildPath "simple"

Set-Location -Path $simpleLocation

"go run simple.go" | Should -ReturnZeroExitCode

"go build simple.go" | Should -ReturnZeroExitCode

"./simple" | Should -ReturnZeroExitCode

}

It "Run maps code" {

$mapsLocation = Join-Path -Path $sourceLocation -ChildPath "maps"

Set-Location -Path $mapsLocation

"go run maps.go" | Should -ReturnZeroExitCode

"go build maps.go" | Should -ReturnZeroExitCode

"./maps" | Should -ReturnZeroExitCode

}

It "Run methods code" {

$methodsLocation = Join-Path -Path $sourceLocation -ChildPath "methods"

Set-Location -Path $methodsLocation

"go run methods.go" | Should -ReturnZeroExitCode

"go build methods.go" | Should -ReturnZeroExitCode

"./methods" | Should -ReturnZeroExitCode

}

}