From 4457ad07679ed88bacc32469b18d48a4b333dcf8 Mon Sep 17 00:00:00 2001
From: Vladimir Sheremet <sleuths.slews0s@icloud.com>
Date: Wed, 22 Jan 2025 15:57:18 +0100
Subject: [PATCH] test: add test for project change

---
 test/test-utils/index.ts               |  3 +-
 test/watch/test/change-project.test.ts | 44 ++++++++++++++++++++++++++
 2 files changed, 46 insertions(+), 1 deletion(-)
 create mode 100644 test/watch/test/change-project.test.ts

diff --git a/test/test-utils/index.ts b/test/test-utils/index.ts
index a9250df797af..f0f2f7550bf1 100644
--- a/test/test-utils/index.ts
+++ b/test/test-utils/index.ts
@@ -294,13 +294,14 @@ export function useFS(root: string, structure: Record<string, string | ViteUserC
 export async function runInlineTests(
   structure: Record<string, string | ViteUserConfig | WorkspaceProjectConfiguration[]>,
   config?: UserConfig,
+  options?: VitestRunnerCLIOptions,
 ) {
   const root = resolve(process.cwd(), `vitest-test-${crypto.randomUUID()}`)
   const fs = useFS(root, structure)
   const vitest = await runVitest({
     root,
     ...config,
-  })
+  }, [], 'test', {}, options)
   return {
     fs,
     root,
diff --git a/test/watch/test/change-project.test.ts b/test/watch/test/change-project.test.ts
new file mode 100644
index 000000000000..d38ee1544f6d
--- /dev/null
+++ b/test/watch/test/change-project.test.ts
@@ -0,0 +1,44 @@
+import { expect, test } from 'vitest'
+import { runInlineTests } from '../../test-utils'
+
+test('reruns tests when config changes', async () => {
+  const { vitest, ctx } = await runInlineTests({
+    'vitest.config.ts': `
+
+    process.stdin.isTTY = true
+    process.stdin.setRawMode = () => process.stdin
+
+    export default {
+      test: {
+        workspace: [
+          './project-1',
+          './project-2',
+        ],
+      },
+    }`,
+    'project-1/vitest.config.ts': { test: { name: 'project-1' } },
+    'project-1/basic-1.test.ts': /* ts */`
+      import { test } from 'vitest'
+      test('basic test 1', () => {})
+    `,
+    'project-2/vitest.config.ts': { test: { name: 'project-2' } },
+    'project-2/basic-2.test.ts': /* ts */`
+      import { test } from 'vitest'
+      test('basic test 2', () => {})
+    `,
+  }, { watch: true })
+
+  await vitest.waitForStdout('Waiting for file changes')
+
+  expect(vitest.stdout).toContain('2 passed')
+  expect(vitest.stdout).toContain('basic-1.test.ts')
+  expect(vitest.stdout).toContain('basic-2.test.ts')
+  vitest.resetOutput()
+
+  await ctx!.changeProjectName('project-2')
+
+  await vitest.waitForStdout('Waiting for file changes')
+
+  expect(vitest.stdout).toContain('1 passed')
+  expect(vitest.stdout).toContain('basic-2.test.ts')
+})