Creating Module

2026-04-21 13:02:51 +02:00
parent 7c9b854aec
commit e10ab48bb4
14 changed files with 493 additions and 321 deletions
--- a/Tests/Merge-ConfigurationData.Tests.ps1
+++ b/Tests/Merge-ConfigurationData.Tests.ps1
@@ -0,0 +1,132 @@
+$script:ModuleRoot = Split-Path -Parent $PSScriptRoot
+$script:SampleRoot = Join-Path -Path $script:ModuleRoot -ChildPath ".sample"
+
+Import-Module (Join-Path -Path $script:ModuleRoot -ChildPath "Merge-DSCConfigurationData.psd1") -Force
+
+Describe "Merge-ConfigurationData" {
+    It "merges wildcard instance templates into all deployment instances" {
+        $Template = Import-PowerShellDataFile (Join-Path -Path $script:SampleRoot -ChildPath "Template.psd1")
+        $Deployment = Import-PowerShellDataFile (Join-Path -Path $script:SampleRoot -ChildPath "Deployment.psd1")
+
+        $Result = Merge-ConfigurationData -Template $Template -Deployment $Deployment
+        $Instances = @($Result.NonNodeData.Services.SQLServer.Instances)
+
+        $Instances.Count | Should Be 2
+        ($Instances.Name -contains "*") | Should Be $false
+
+        foreach($Name in @("MSSQLSERVER", "MSSQLSERVERTEST")){
+            $Instance = $Instances | Where-Object { $_.Name -eq $Name }
+
+            $Instance | Should Not BeNullOrEmpty
+            $Instance.Features | Should Be "SQLENGINE,FULLTEXT"
+            $Instance.ConfigurationOptions.Count | Should Be 4
+            $Instance.AdditionalScripts.Count | Should Be 6
+            $Instance.Memory | Should Not BeNullOrEmpty
+            $Instance.Directories | Should Not BeNullOrEmpty
+        }
+    }
+
+    It "does not merge an exact instance template into another instance name" {
+        $Template = @{
+            NonNodeData = @{
+                Services = @{
+                    SQLServer = @{
+                        Instances = @(
+                            @{
+                                Name = "MSSQLSERVER"
+                                Marker = "exact-only"
+                            }
+                        )
+                    }
+                }
+            }
+        }
+
+        $Deployment = @{
+            NonNodeData = @{
+                Services = @{
+                    SQLServer = @{
+                        Instances = @(
+                            @{ Name = "MSSQLSERVER" },
+                            @{ Name = "MSSQLSERVERTEST" }
+                        )
+                    }
+                }
+            }
+        }
+
+        $Result = Merge-ConfigurationData -Template $Template -Deployment $Deployment
+        $Instances = @($Result.NonNodeData.Services.SQLServer.Instances)
+
+        ($Instances | Where-Object { $_.Name -eq "MSSQLSERVER" }).Marker | Should Be "exact-only"
+        ($Instances | Where-Object { $_.Name -eq "MSSQLSERVERTEST" }).Marker | Should BeNullOrEmpty
+    }
+
+    It "uses the name-key fallback for unknown arrays" {
+        $Template = @{
+            Databases = @(
+                @{
+                    DatabaseName = "AppDb"
+                    RecoveryModel = "Full"
+                }
+            )
+        }
+
+        $Deployment = @{
+            Databases = @(
+                @{
+                    DatabaseName = "AppDb"
+                    Owner = "dbo"
+                },
+                @{
+                    DatabaseName = "LogDb"
+                    Owner = "dbo"
+                }
+            )
+        }
+
+        $Result = Merge-ConfigurationData -Template $Template -Deployment $Deployment
+        $Databases = @($Result.Databases)
+
+        ($Databases | Where-Object { $_.DatabaseName -eq "AppDb" }).RecoveryModel | Should Be "Full"
+        ($Databases | Where-Object { $_.DatabaseName -eq "LogDb" }).RecoveryModel | Should BeNullOrEmpty
+    }
+
+    It "uses Key and ValueName together for registry array merges" {
+        $Template = @{
+            Basic = @{
+                Registry = @(
+                    @{
+                        Key = "K1"
+                        ValueName = "Enabled"
+                        Default = "Template-K1"
+                    },
+                    @{
+                        Key = "K2"
+                        ValueName = "Enabled"
+                        Default = "Template-K2"
+                    }
+                )
+            }
+        }
+
+        $Deployment = @{
+            Basic = @{
+                Registry = @(
+                    @{
+                        Key = "K1"
+                        ValueName = "Enabled"
+                        ValueData = "Deployment-K1"
+                    }
+                )
+            }
+        }
+
+        $Result = Merge-ConfigurationData -Template $Template -Deployment $Deployment
+        $Registry = @($Result.Basic.Registry)
+
+        ($Registry | Where-Object { $_.Key -eq "K1" }).Default | Should Be "Template-K1"
+        ($Registry | Where-Object { $_.Key -eq "K1" }).ValueData | Should Be "Deployment-K1"
+        ($Registry | Where-Object { $_.Key -eq "K2" }).Default | Should Be "Template-K2"
+    }
+}