refactor: rewrite initLink and simplify bootstrapping tests

packages/api/core/spec/fixture/custom_init/index.js

@@ -5,8 +5,10 @@ const fs = require('fs-extra');
 
 module.exports = {
   requiredForgeVersion: '>= 8.0.0-alpha.0',
-  dependencies: [...baseTemplate.dependencies, 'debug'],
-  devDependencies: [...baseTemplate.devDependencies, 'lodash'],
+  // For testing purposes, let's specify zero-dependency packages
+  // and pin the versions
+  dependencies: [...baseTemplate.dependencies, 'semver@7.7.3'],
+  devDependencies: [...baseTemplate.devDependencies, '@types/semver@7.7.1'],
   initializeTemplate: async (directory) => {
     const tasks = await baseTemplate.initializeTemplate(directory, {});
     return [

packages/api/core/spec/slow/import.slow.spec.ts

@@ -0,0 +1,52 @@
+import { execSync } from 'node:child_process';
+import fs from 'node:fs';
+import path from 'node:path';
+
+import {
+  ensureTestDirIsNonexistent,
+  updatePackageJSON,
+} from '@electron-forge/test-utils';
+import { beforeEach, describe, expect, it } from 'vitest';
+
+import { api } from '../../src/api/index';
+
+describe('import', () => {
+  let dir: string;
+  beforeEach(async () => {
+    dir = await ensureTestDirIsNonexistent();
+    await fs.promises.mkdir(dir);
+    execSync(
+      `git clone https://github.com/electron/minimal-repro.git . --quiet`,
+      {
+        cwd: dir,
+      },
+    );
+
+    return async () => {
+      await fs.promises.rm(dir, { recursive: true, force: true });
+    };
+  });
+
+  it('creates forge.config.js and can successfully package the application', async () => {
+    await updatePackageJSON(dir, async (packageJSON) => {
+      packageJSON.name = 'Name';
+      packageJSON.productName = 'ProductName';
+
+      return packageJSON;
+    });
+
+    // FIXME: the install here will use the production version of Electron Forge
+    // instead of the contents of this monorepo.
+    await api.import({ dir });
+
+    expect(fs.existsSync(path.join(dir, 'forge.config.js'))).toEqual(true);
+
+    await api.package({ dir });
+
+    const outDirContents = fs.readdirSync(path.join(dir, 'out'));
+    expect(outDirContents).toHaveLength(1);
+    expect(outDirContents[0]).toEqual(
+      `ProductName-${process.platform}-${process.arch}`,
+    );
+  });
+});