add test

Author: andreasjordan

tests/Get-DbaNetworkEncryption.Tests.ps1

@@ -0,0 +1,46 @@
+#Requires -Module @{ ModuleName="Pester"; ModuleVersion="5.0" }
+param(
+    $ModuleName  = "dbatools",
+    $CommandName = "Get-DbaNetworkEncryption",
+    $PSDefaultParameterValues = $TestConfig.Defaults
+)
+
+Describe $CommandName -Tag UnitTests {
+    Context "Parameter validation" {
+        It "Should have the expected parameters" {
+            $hasParameters = (Get-Command $CommandName).Parameters.Values.Name | Where-Object { $PSItem -notin ("WhatIf", "Confirm") }
+            $expectedParameters = $TestConfig.CommonParameters
+            $expectedParameters += @(
+                "SqlInstance",
+                "SqlCredential",
+                "EnableException"
+            )
+            Compare-Object -ReferenceObject $expectedParameters -DifferenceObject $hasParameters | Should -BeNullOrEmpty
+        }
+    }
+}
+
+Describe $CommandName -Tag IntegrationTests {
+    BeforeAll {
+        $PSDefaultParameterValues["*-Dba*:EnableException"] = $true
+        $PSDefaultParameterValues.Remove("*-Dba*:EnableException")
+    }
+
+    Context "Certificate retrieval" {
+        BeforeAll {
+            # Attempt to retrieve the certificate - not all environments have TLS configured
+            $result = Get-DbaNetworkEncryption -SqlInstance $TestConfig.InstanceSingle -WarningAction SilentlyContinue
+        }
+
+        It "Should return certificate with expected properties when TLS is configured" {
+            if ($null -eq $result) {
+                Set-ItResult -Skipped -Because "No TLS certificate is configured on this SQL Server instance"
+            }
+            $result.SqlInstance | Should -Not -BeNullOrEmpty
+            $result.Subject | Should -Not -BeNullOrEmpty
+            $result.Thumbprint | Should -Not -BeNullOrEmpty
+            $result.Expires | Should -BeOfType [datetime]
+            $result.NotBefore | Should -BeOfType [datetime]
+        }
+    }
+}