test: add initial tests for define.lib

Author: chenjiahan

packages/rstack/test/config/define-lib/index.test.ts

@@ -0,0 +1,19 @@
+import { rm } from 'node:fs/promises';
+import path from 'node:path';
+import { expect, test } from 'rstack/test';
+import { execCli, getDistFiles, getFileContent } from '#test-helpers';
+
+const cwd = import.meta.dirname;
+const expectedText = 'define.lib works';
+
+test('should build lib with define.lib config', async () => {
+  const distPath = path.join(cwd, 'dist');
+  await rm(distPath, { recursive: true, force: true });
+
+  execCli(['lib'], { cwd });
+
+  const files = await getDistFiles(distPath);
+  const output = getFileContent(files, 'index.js');
+
+  expect(output).toContain(expectedText);
+});

packages/rstack/test/config/define-lib/package.json

@@ -0,0 +1,4 @@
+{
+  "private": true,
+  "type": "module"
+}

packages/rstack/test/config/define-lib/rstack.config.ts

@@ -0,0 +1,10 @@
+import { define } from 'rstack';
+
+define.lib({
+  lib: [{}],
+  source: {
+    define: {
+      DEFINE_LIB_TEST_VALUE: JSON.stringify('define.lib works'),
+    },
+  },
+});

packages/rstack/test/config/define-lib/src/index.js

@@ -0,0 +1 @@
+export const message = DEFINE_LIB_TEST_VALUE;