Fix Windows installer and build versioning

tests/unit/package-windows.test.js

@@ -21,6 +21,8 @@ test('Windows packaging uses an assisted NSIS installer', (t) => {
   assert.equal(config.nsis.createDesktopShortcut, true);
   assert.equal(config.nsis.createStartMenuShortcut, true);
   assert.equal(config.nsis.shortcutName, 'StepForge');
+  assert.equal(config.buildVersion, '0.3.2.1');
+  assert.equal(config.nsis.artifactName, '${productName} Setup ${buildVersion}.${ext}');
   assert.equal(config.nsis.include, 'build/installer.nsh');
   assert.equal(config.asar, true);
   assert.ok(config.files.includes('app/**/*'));
@@ -35,7 +37,7 @@ test('Windows packaging uses an assisted NSIS installer', (t) => {
   const tmp = makeTmpDir('windows-installer');
   t.after(() => rmrf(tmp));
   fs.mkdirSync(path.join(tmp, 'nested', 'deeper'), { recursive: true });
-  const installer = path.join(tmp, 'nested', 'deeper', 'StepForge Setup 0.2.0.exe');
+  const installer = path.join(tmp, 'nested', 'deeper', 'StepForge Setup 0.3.2.1.exe');
   fs.writeFileSync(installer, Buffer.from('fake installer'));
   assert.equal(findInstallerExe(tmp), installer);
 });

tests/unit/stamp-version.test.js

@@ -8,13 +8,14 @@ const assert = require('node:assert/strict');
 const { makeTmpDir, rmrf } = require('./helpers');
 const { stampVersion } = require('../../scripts/stamp-version');
 
-test('stampVersion updates package metadata without semver validation', () => {
+test('stampVersion splits build labels into package and build versions', () => {
   const root = makeTmpDir('stamp-version');
   try {
     fs.writeFileSync(path.join(root, 'package.json'), JSON.stringify({
       name: 'stepforge',
       version: '0.1.0',
       private: true,
+      buildVersion: '0.1.0',
     }, null, 2));
 
     fs.writeFileSync(path.join(root, 'package-lock.json'), JSON.stringify({
@@ -35,9 +36,10 @@ test('stampVersion updates package metadata without semver validation', () => {
     const pkg = JSON.parse(fs.readFileSync(path.join(root, 'package.json'), 'utf8'));
     const lock = JSON.parse(fs.readFileSync(path.join(root, 'package-lock.json'), 'utf8'));
 
-    assert.equal(pkg.version, '0.3.2.1');
-    assert.equal(lock.version, '0.3.2.1');
-    assert.equal(lock.packages[''].version, '0.3.2.1');
+    assert.equal(pkg.version, '0.3.2');
+    assert.equal(pkg.buildVersion, '0.3.2.1');
+    assert.equal(lock.version, '0.3.2');
+    assert.equal(lock.packages[''].version, '0.3.2');
   } finally {
     rmrf(root);
   }