From bca0ad1cd2302535e9504a2397ad4e9fc96afe69 Mon Sep 17 00:00:00 2001
From: Kamil Nowinski <kamil@nowinski.net>
Date: Wed, 1 Jul 2026 01:15:57 +0100
Subject: [PATCH] Added unit test for #475

---
 changelog.md                                |  2 +-
 test/Publish-AdfV2FromJson-DryRun.Tests.ps1 | 54 +++++++++++++++++++++
 2 files changed, 55 insertions(+), 1 deletion(-)
 create mode 100644 test/Publish-AdfV2FromJson-DryRun.Tests.ps1

diff --git a/changelog.md b/changelog.md
index be8ebf9..a4cb5b7 100644
--- a/changelog.md
+++ b/changelog.md
@@ -20,7 +20,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 ### Fixed
 * Starting blob event trigger fails with 'Resource cannot be updated during provisioning' - now waits for provisioning to complete before retrying #484, #474, #463
 * Fixed REST API calls failing with 401 Unauthorized due to Az.Accounts 5.x returning SecureString from Get-AzAccessToken
-* Fixed DryRun not loading deployment state from storage for hash comparison #476
+* Fixed DryRun not loading deployment state from storage for hash comparison #475
 * README.md updated and new Structured Documentation created
 
 ## [1.14.0] - 2025-10-24
diff --git a/test/Publish-AdfV2FromJson-DryRun.Tests.ps1 b/test/Publish-AdfV2FromJson-DryRun.Tests.ps1
new file mode 100644
index 0000000..1da24b1
--- /dev/null
+++ b/test/Publish-AdfV2FromJson-DryRun.Tests.ps1
@@ -0,0 +1,54 @@
+BeforeDiscovery {
+    $ModuleRootPath = $PSScriptRoot | Split-Path -Parent
+    $moduleManifestName = 'azure.datafactory.tools.psd1'
+    $moduleManifestPath = Join-Path -Path $ModuleRootPath -ChildPath $moduleManifestName
+
+    Import-Module -Name $moduleManifestPath -Force -Verbose:$false
+    $m = Get-Module -Name 'azure.datafactory.tools'
+    $script:verStr = $m.Version.ToString(2) + "." + $m.Version.Build.ToString("000")
+}
+
+InModuleScope azure.datafactory.tools {
+    $testHelperPath = $PSScriptRoot | Join-Path -ChildPath 'TestHelper'
+    Import-Module -Name $testHelperPath -Force
+
+    $m = Get-Module -Name 'azure.datafactory.tools'
+    $script:verStr = $m.Version.ToString(2) + "." + $m.Version.Build.ToString("000")
+
+    $script:RootFolder = Join-Path $PSScriptRoot 'adf2'
+    $script:ResourceGroupName = 'rg-test'
+    $script:DataFactoryName = 'adf-test'
+    $script:Location = 'West Europe'
+
+    Describe 'Publish-AdfV2FromJson DryRun incremental deployment' -Tag 'Unit' {
+        BeforeEach {
+            Mock Get-StateFromStorage {
+                [AdfDeploymentState]::new($script:verStr)
+            }
+
+            Mock Set-StateToStorage {
+            }
+        }
+
+        It 'should still load deployment state from storage when DryRun is enabled' {
+            $opt = New-AdfPublishOption
+            $opt.IncrementalDeployment = $true
+            $opt.IncrementalDeploymentStorageUri = 'https://example.blob.core.windows.net/adftools/folder'
+            $opt.StopStartTriggers = $false
+            $opt.DeleteNotInSource = $false
+
+            {
+                Publish-AdfV2FromJson `
+                    -RootFolder $script:RootFolder `
+                    -ResourceGroupName $script:ResourceGroupName `
+                    -DataFactoryName $script:DataFactoryName `
+                    -Location $script:Location `
+                    -Option $opt `
+                    -DryRun
+            } | Should -Not -Throw
+
+            Should -Invoke -CommandName Get-StateFromStorage -Times 1 -Exactly
+            Should -Invoke -CommandName Set-StateToStorage -Times 0 -Exactly
+        }
+    }
+}
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