Add CI workflow and basic tests

Author: trickzzy

.github/workflows/ci.yml

@@ -0,0 +1,28 @@
+name: CI
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  test:
+    runs-on: windows-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install Pester + PSScriptAnalyzer
+        shell: pwsh
+        run: |
+          Set-PSRepository -Name PSGallery -InstallationPolicy Trusted
+          Install-Module Pester -Force -Scope CurrentUser
+          Install-Module PSScriptAnalyzer -Force -Scope CurrentUser
+
+      - name: PSScriptAnalyzer
+        shell: pwsh
+        run: |
+          Invoke-ScriptAnalyzer -Path . -Recurse -Severity Warning,Error
+
+      - name: Pester Tests
+        shell: pwsh
+        run: |
+          Invoke-Pester -Path .\Tests -Output Detailed

Tests/Set-BulkMailboxAutoReply.Tests.ps1

@@ -0,0 +1,12 @@
+$ErrorActionPreference = 'Stop'
+
+Describe "ExchangeOOO-BulkSetter" {
+    It "script file exists" {
+        Test-Path "$PSScriptRoot\..\Set-BulkMailboxAutoReply.ps1" | Should -BeTrue
+    }
+
+    It "has CmdletBinding" {
+        $content = Get-Content "$PSScriptRoot\..\Set-BulkMailboxAutoReply.ps1" -Raw
+        $content | Should -Match '\[CmdletBinding'
+    }
+}