Initial

server/test/compatibility.test.mjs

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+import './setup.mjs';
+import test from 'node:test';
+import assert from 'node:assert/strict';
+import { load } from './setup.mjs';
+
+const { analyzePowerShellCompatibility } = await load('../services/powershellCompatibilityService.js');
+const { normalizeOsFamily } = await load('../utils/osFamily.js');
+
+test('normalizeOsFamily maps legacy and unknown host values into supported OS types', () => {
+  assert.equal(normalizeOsFamily('Windows Server 2022'), 'windows');
+  assert.equal(normalizeOsFamily('Ubuntu Linux'), 'linux');
+  assert.equal(normalizeOsFamily('network'), 'other');
+  assert.equal(normalizeOsFamily('api'), 'other');
+});
+
+test('PowerShell compatibility analyzer is quiet when no Linux targets are selected', () => {
+  const result = analyzePowerShellCompatibility('Get-WmiObject Win32_OperatingSystem', [{ osFamily: 'windows' }]);
+  assert.equal(result.hasLinuxTargets, false);
+  assert.deepEqual(result.findings, []);
+});
+
+test('PowerShell compatibility analyzer flags Windows-only patterns for Linux targets', () => {
+  const result = analyzePowerShellCompatibility([
+    'Get-WmiObject Win32_OperatingSystem',
+    'Get-Item HKLM:\\Software\\Contoso',
+    'msiexec.exe /i C:\\Temp\\setup.msi',
+    'dir C:\\Temp'
+  ].join('\n'), [{ osFamily: 'linux' }]);
+
+  assert.equal(result.hasLinuxTargets, true);
+  assert.ok(result.findings.some((finding) => finding.id === 'wmi-or-win32-class'));
+  assert.ok(result.findings.some((finding) => finding.id === 'windows-registry-provider'));
+  assert.ok(result.findings.some((finding) => finding.id === 'windows-executable'));
+  assert.ok(result.findings.some((finding) => finding.id === 'alias-dir'));
+});