Initial

server/test/builder.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 { buildPackagerInvocation, expectedOutputFile, resolveToolPath, builderAvailability } = await load('../services/intuneWinBuilder.js');
+
+test('bundled invocation uses IntuneWinAppUtil flags', () => {
+  const inv = buildPackagerInvocation({ toolPath: 'C:/tools/IntuneWinAppUtil.exe', sourceFolder: 'C:/src', setupFile: 'setup.exe', outputDir: 'C:/out' });
+  assert.equal(inv.shell, false);
+  assert.equal(inv.command, 'C:/tools/IntuneWinAppUtil.exe');
+  assert.deepEqual(inv.args, ['-c', 'C:/src', '-s', 'setup.exe', '-o', 'C:/out', '-q']);
+});
+
+test('external command template substitutes placeholders', () => {
+  const inv = buildPackagerInvocation({
+    commandTemplate: 'pack --src {source} --setup {setup} --out {output}',
+    sourceFolder: '/s', setupFile: 'a.msi', outputDir: '/o'
+  });
+  assert.equal(inv.shell, true);
+  assert.equal(inv.command, 'pack --src /s --setup a.msi --out /o');
+});
+
+test('expectedOutputFile names after the setup base name', () => {
+  assert.ok(expectedOutputFile('/out', 'ContosoVpnSetup.exe').endsWith('ContosoVpnSetup.intunewin'));
+  assert.ok(expectedOutputFile('/out', 'app.msi').endsWith('app.intunewin'));
+});
+
+test('resolveToolPath defaults into the tools directory', () => {
+  assert.ok(resolveToolPath().toLowerCase().includes('intunewinapputil.exe'));
+});
+
+test('builderAvailability reports unavailable when the tool is missing on this host', () => {
+  // The test host has no tool placed and is not Windows, so build is unavailable.
+  const availability = builderAvailability();
+  assert.equal(availability.available, false);
+  assert.ok(availability.reason);
+});