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Fix Guid handling for principal in Get-AzRoleAssignment #28639

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Fix Guid handling for principal in Get-AzRoleAssignment #28639

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0a61209
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Oct 4, 2025
868b327
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Oct 4, 2025
1000937
add issue to changelog
Oct 4, 2025
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7 changes: 7 additions & 0 deletions src/Resources/Resources.Test/ScenarioTests/RoleAssignmentTests.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -245,5 +245,12 @@ public void CreateRAWithObjectType()
{
TestRunner.RunTestScript("Test-CreateRAWithObjectType");
}

[Fact]
[Trait(Category.AcceptanceType, Category.CheckIn)]
public void RAGuidFormatHandling()
{
TestRunner.RunTestScript("Test-RAGuidFormatHandling");
}
}
}
27 changes: 27 additions & 0 deletions src/Resources/Resources.Test/ScenarioTests/RoleAssignmentTests.ps1
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Expand Up @@ -925,3 +925,30 @@ function Test-CreateRAWhenIdNotExist

Assert-Throws $function $ExpectedError
}

<#
.SYNOPSIS
Validates that Get-AzRoleAssignment can filter client-side the role assignments by ObjectId in different GUID formats.
#>
function Test-RAGuidFormatHandling
{
$subscription = $(Get-AzContext).Subscription
$scope = '/subscriptions/'+ $subscription[0].Id
$principalId = "35e5fdfa-e80b-49b9-abf3-4c9a54f6b7a3"

$expected = @(Get-AzRoleAssignment -ObjectId $principalId -Scope $scope -AtScope)
$expectedIds = $expected | Select-Object -ExpandProperty RoleAssignmentId | Sort-Object

$guid = [guid]::Parse($principalId)
$formats = @('N', 'D', 'B', 'P', 'X')
foreach ($format in $formats) {
$principalIdFormat = $guid.ToString($format)
$actual = @(Get-AzRoleAssignment -ObjectId $principalIdFormat -Scope $scope -AtScope)
Assert-AreEqual $expected.Count $actual.Count

if ($actual) {
$actualIds = $actual | Select-Object -ExpandProperty RoleAssignmentId | Sort-Object
Assert-AreEqual (@($expectedIds) -join ',') (@($actualIds) -join ',')
}
}
}
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