67 lines
2.8 KiB
PowerShell
67 lines
2.8 KiB
PowerShell
# Copyright (c) Microsoft Corporation.
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# Licensed under the MIT License.
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Describe "Assembly loaded in a separate AssemblyLoadContext should not be seen by PowerShell type resolution" -Tags "CI" {
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BeforeAll {
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$codeVersion1 = @'
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using System.Reflection;
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[assembly: AssemblyVersion("1.0.0.0")]
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namespace ALC.Test {
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public class Blah { public static string GetVersion() { return "1.0.0.0"; } }
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}
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'@
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$codeVersion2 = @'
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using System.Reflection;
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[assembly: AssemblyVersion("2.0.0.0")]
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namespace ALC.Test {
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public class Blah { public static string GetVersion() { return "2.0.0.0"; } }
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}
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'@
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$tempFolderPath = [System.IO.Path]::Combine([System.IO.Path]::GetTempPath(), "ALCTest")
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$v1_Folder = [System.IO.Path]::Combine($tempFolderPath, "V1")
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$v2_Folder = [System.IO.Path]::Combine($tempFolderPath, "V2")
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$null = New-Item $tempFolderPath -ItemType Directory -Force
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$null = New-Item $v1_Folder -ItemType Directory -Force
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$null = New-Item $v2_Folder -ItemType Directory -Force
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$v1_assembly_file = [System.IO.Path]::Combine($v1_Folder, "Test.dll")
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$v2_assembly_file = [System.IO.Path]::Combine($v2_Folder, "Test.dll")
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if (-not (Test-Path $v1_assembly_file)) {
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Add-Type -TypeDefinition $codeVersion1 -OutputAssembly $v1_assembly_file
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}
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if (-not (Test-Path $v2_assembly_file)) {
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Add-Type -TypeDefinition $codeVersion2 -OutputAssembly $v2_assembly_file
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}
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## Load the V2 assembly in a separate ALC
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$alc = [System.Runtime.Loader.AssemblyLoadContext]::new("MyALC", $false)
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$v2_Assembly = $alc.LoadFromAssemblyPath($v2_assembly_file)
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## Load the V1 assembly in the default ALC
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$v1_Assembly = [System.Reflection.Assembly]::LoadFrom($v1_assembly_file)
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$v1_Blah_AssemblyQualifiedName = "[ALC.Test.Blah, {0}]" -f $v1_Assembly.FullName
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$v2_Blah_AssemblyQualifiedName = "[ALC.Test.Blah, {0}]" -f $v2_Assembly.FullName
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}
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It "Type from the assembly loaded into a separate ALC should not be resolved by PowerShell" {
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## Type resolution should only find the assembly loaded in the default ALC.
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[ALC.Test.Blah]::GetVersion() | Should -BeExactly "1.0.0.0"
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## Type resolution should fail even with the AssemblyQualifiedName for the 2.0 assembly that was loaded in the separate ALC.
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$resolve_v1_Blah_script = [scriptblock]::Create("{0}::GetVersion()" -f $v1_Blah_AssemblyQualifiedName)
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$resolve_v2_Blah_script = [scriptblock]::Create($v2_Blah_AssemblyQualifiedName)
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$resolve_v2_Blah_script | Should -Throw -ErrorId 'TypeNotFound'
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& $resolve_v1_Blah_script | Should -BeExactly "1.0.0.0"
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}
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}
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