[Ubuntu] Migrate tests for Android to Pester (#2313)

* Add Pester tests for Android on Ubuntu

* Minor fix

* Move Get-AndroidPackages to common helpers

* Minor fix

* Delete Android test name for invoke_tests script

images/linux/scripts/helpers/Common.Helpers.psm1

@@ -32,4 +32,26 @@ function Test-IsUbuntu20 {
 function Get-ToolsetContent {
     $toolset = Join-Path $env:INSTALLER_SCRIPT_FOLDER "toolset.json"
     Get-Content $toolset -Raw | ConvertFrom-Json
+}
+
+function Get-ToolsetValue {
+    param (
+        [Parameter(Mandatory = $true)]
+        [string] $KeyPath
+    )
+
+    $jsonNode = Get-ToolsetContent
+
+    $pathParts = $KeyPath.Split(".")
+    # try to walk through all arguments consequentially to resolve specific json node
+    $pathParts | ForEach-Object {
+        $jsonNode = $jsonNode.$_
+    }
+    return $jsonNode
+}
+
+function Get-AndroidPackages {
+    $androidSDKManagerPath = "/usr/local/lib/android/sdk/tools/bin/sdkmanager"
+    $androidPackages = & $androidSDKManagerPath --list --verbose
+    return $androidPackages
 }

images/linux/scripts/installers/android.sh

@@ -7,6 +7,7 @@
 # Source the helpers for use with the script
 source $HELPER_SCRIPTS/os.sh
 source $HELPER_SCRIPTS/install.sh
+source $HELPER_SCRIPTS/invoke-tests.sh
 
 function filter_components_by_version {
     minimumVersion=$1
@@ -77,3 +78,5 @@ echo "y" | ${ANDROID_SDK_ROOT}/tools/bin/sdkmanager ${components[@]}
 
 # Add required permissions
 chmod -R a+rwx ${ANDROID_SDK_ROOT}
+
+invoke_tests "Android"

images/linux/scripts/tests/Android.Tests.ps1

@@ -0,0 +1,50 @@
+Describe "Android" {
+    $androidSdkManagerPackages = Get-AndroidPackages
+    [int]$platformMinVersion = Get-ToolsetValue "android.platform_min_version"
+    [version]$buildToolsMinVersion = Get-ToolsetValue "android.build_tools_min_version"
+
+    $platforms = (($androidSdkManagerPackages | Where-Object { "$_".StartsWith("platforms;") }) -replace 'platforms;', '' |
+    Where-Object { [int]$_.Split("-")[1] -ge $platformMinVersion } | Sort-Object { [int]$_.Split("-")[1] } -Unique |
+    ForEach-Object { "platforms/${_}" })
+
+    $buildTools = (($androidSdkManagerPackages | Where-Object { "$_".StartsWith("build-tools;") }) -replace 'build-tools;', '' |
+    Where-Object { [version]$_ -ge $buildToolsMinVersion } | Sort-Object { [version]$_ } -Unique |
+    ForEach-Object { "build-tools/${_}" })
+
+    $androidPackages = @(
+        $platforms,
+        $buildTools,
+        (Get-ToolsetValue "android.extra_list" | ForEach-Object { "extras/${_}" }),
+        (Get-ToolsetValue "android.addon_list" | ForEach-Object { "add-ons/${_}" }),
+        (Get-ToolsetValue "android.additional_tools" | ForEach-Object { "${_}" })
+    ) | ForEach-Object { $_ }
+
+    BeforeAll {
+        $ANDROID_SDK_DIR = "/usr/local/lib/android/sdk"
+
+        function Validate-AndroidPackage {
+            param (
+                [Parameter(Mandatory=$true)]
+                [string]$PackageName
+            )
+
+            # Convert 'm2repository;com;android;support;constraint;constraint-layout-solver;1.0.0-beta1' ->
+            #         'm2repository/com/android/support/constraint/constraint-layout-solver/1.0.0-beta1'
+            #         'cmake;3.6.4111459' -> 'cmake/3.6.4111459'
+            #         'patcher;v4' -> 'patcher/v4'
+            $PackageName = $PackageName.Replace(";", "/")
+            $targetPath = Join-Path $ANDROID_SDK_DIR $PackageName
+            $targetPath | Should -Exist
+        }
+    }
+
+
+    Context "Packages" {
+        $testCases = $androidPackages | ForEach-Object { @{ PackageName = $_ } }
+
+        It "<PackageName>" -TestCases $testCases {
+            param ([string] $PackageName)
+            Validate-AndroidPackage $PackageName
+        }
+    }
+}