Add tests for docker image

Adds Pester tests to the docker image created for isolated runtime test containers.

test/docker/Dockerfile

@@ -25,4 +25,7 @@ ADD ["Instances/", "C:/ProgramData/Microsoft/VisualStudio/Packages/_Instances/"]
 RUN $ErrorActionPreference = 'Stop' ; \
     New-Item -Path C:\VS\Community, C:\VS\Enterprise, C:\VS\Professional, C:\BuildTools -Type Directory | Out-Null
 
+# Copy tests
+ADD ["Tests", "C:/Tests"]
+
 ENTRYPOINT ["powershell.exe", "-ExecutionPolicy", "Unrestricted"]

test/docker/Tests/GetInstance.Tests.ps1

@@ -0,0 +1,57 @@
+# Copyright (C) Microsoft Corporation. All rights reserved.
+# Licensed under the MIT license. See LICENSE.txt in the project root for license information.
+
+Describe 'Get-VSSetupInstance' {
+    $en = New-Object System.Globalization.CultureInfo 'en-US'
+    $de = New-Object System.Globalization.CultureInfo 'de-DE'
+
+    Context 'Launchable instances' {
+        [System.Globalization.CultureInfo]::CurrentUICulture = $en
+        $instances = Get-VSSetupInstance
+
+        It 'Returns 3 instances' {
+            $instances.Count | Should Be 3
+        }
+    }
+
+    Context 'All instances' {
+        [System.Globalization.CultureInfo]::CurrentUICulture = $en
+        $instances = Get-VSSetupInstance -All
+
+        It 'Returns 4 instances' {
+            $instances.Count | Should Be 4
+        }
+    }
+
+    Context 'Specified path' {
+        It 'Accepts pipeline input' {
+            [System.Globalization.CultureInfo]::CurrentUICulture = $en
+            $instance = Get-Item C:\VS\Community | Get-VSSetupInstance
+
+            $instance.InstanceId | Should Be 1
+        }
+        It 'Returns Community properties' {
+            [System.Globalization.CultureInfo]::CurrentUICulture = $en
+            $instance = Get-VSSetupInstance 'C:\VS\Community'
+
+            $instance.InstanceId | Should Be 1
+            $instance.InstallationName | Should Be 'VisualStudio/public.d15rel/15.0.26116.0'
+            $instance.InstallationPath | Should Be 'C:\VS\Community'
+            $instance.InstallationVersion | Should Be '15.0.26116.0'
+            $instance.DisplayName | Should Be 'Visual Studio Community 2017'
+            $instance.Description | Should Match '^Free'
+            $instance.Product.Id | Should Be 'Microsoft.VisualStudio.Product.Community'
+            $instance.Product.Version | Should Be '15.0.26116.0'
+            $instance.Packages.Count | Should Be 4
+        }
+
+        It 'Returns Community properties (de-DE)' {
+            [System.Globalization.CultureInfo]::CurrentUICulture = $de
+            $instance = Get-VSSetupInstance 'C:\VS\Community'
+
+            $instance.InstanceId | Should Be 1
+            $instance.DisplayName | Should Be 'Visual Studio Community 2017'
+            $instance.Description | Should Match '^Kostenlose'
+        }
+    }
+}

test/docker/Tests/SelectInstance.Tests.ps1

@@ -0,0 +1,59 @@
+# Copyright (C) Microsoft Corporation. All rights reserved.
+# Licensed under the MIT license. See LICENSE.txt in the project root for license information.
+
+Describe 'Select-VSSetupInstance' {
+    Context 'Defaults to VS' {
+        $instances = Get-VSSetupInstance | Select-VSSetupInstance
+
+        It 'Returns 2 instances' {
+            $instances.Count | Should Be 2
+        }
+    }
+
+    Context 'Returns latest launchable VS' {
+        $instances = Get-VSSetupInstance | Select-VSSetupInstance -Latest
+
+        It 'Returns 1 instance' {
+            $instances.Count | Should Be 1
+        }
+
+        It 'Returns Enterprise instance' {
+            $instances[0].InstanceId | Should Be 2
+            $instances[0].Product.Id | Should Be 'Microsoft.VisualStudio.Product.Enterprise'
+        }
+    }
+
+    Context 'Returns latest VS' {
+        $instances = Get-VSSetupInstance -All | Select-VSSetupInstance -Latest
+
+        It 'Returns 1 instance' {
+            $instances.Count | Should Be 1
+        }
+
+        It 'Returns Professional instance' {
+            $instances[0].InstanceId | Should Be 3
+            $instances[0].Product.Id | Should Be 'Microsoft.VisualStudio.Product.Professional'
+        }
+    }
+
+    Context 'Supports other products' {
+        $instances = Get-VSSetupInstance | Select-VSSetupInstance -Product 'Microsoft.VisualStudio.Product.BuildTools'
+
+        It 'Returns 1 instance' {
+            $instances.Count | Should Be 1
+        }
+
+        It 'Returns Build Tools instance' {
+            $instances[0].InstanceId | Should Be 4
+            $instances[0].Product.Id | Should Be 'Microsoft.VisualStudio.Product.BuildTools'
+        }
+    }
+
+    Context 'Queries specified workloads' {
+        $instances = Get-VSSetupInstance | Select-VSSetupInstance -Require 'Microsoft.VisualStudio.Workload.ManagedDesktop'
+
+        It 'Returns 2 insances' {
+            $instances.Count | Should Be 2
+        }
+    }
+}

test/docker/build.cmd

@@ -45,6 +45,7 @@ set root=%projectDir:~0,-1%
 
 @echo on
 docker build --network "%network%" --tag %name% "%root%"
+@if errorlevel 1 exit /b %ERRORLEVEL%
 
 @echo off
 echo.

test/docker/run.cmd

@@ -39,6 +39,7 @@ set outputPath=%solutionDir%src\VSSetup.PowerShell\bin\%configuration%
 
 @echo on
 docker run -it -v "%outputPath%:C:\Users\ContainerAdministrator\Documents\WindowsPowerShell\Modules\VSSetup" %params% %name% %args%
+@if errorlevel 1 exit /b %ERRORLEVEL%
 
 @echo off
 echo.

test/docker/test.cmd

@@ -0,0 +1,8 @@
+@echo off
+
+REM Copyright (C) Microsoft Corporation. All rights reserved.
+REM Licensed under the MIT license. See LICENSE.txt in the project root for license information.
+
+setlocal
+
+%~dp0run.cmd %* -- -c Invoke-Pester C:\Tests -EnableExit