test: add e2e case for build API (#4081)

e2e/cases/javascript-api/build/index.test.ts

@@ -0,0 +1,17 @@
+import { expect, test } from '@playwright/test';
+import { createRsbuild } from '@rsbuild/core';
+
+test('should allow to call `build` and get stats object', async () => {
+  const rsbuild = await createRsbuild({
+    cwd: __dirname,
+  });
+
+  const { stats, close } = await rsbuild.build();
+
+  await close();
+
+  const result = stats?.toJson({ all: true })!;
+
+  expect(result.name).toBe('web');
+  expect(result.assets?.length).toBeGreaterThan(0);
+});

e2e/cases/javascript-api/build/src/index.js

@@ -0,0 +1 @@
+console.log('hello');