From 5aef503c58c4054ea4777a035f3627e7df67ef36 Mon Sep 17 00:00:00 2001
From: btea <2356281422@qq.com>
Date: Tue, 13 Jun 2023 18:01:38 +0800
Subject: [PATCH 1/2] feat(runner): `describe`/`test` name support anonymous
 function

---
 packages/runner/src/suite.ts                     |  2 +-
 test/reporters/fixtures/function-as-name.test.ts | 12 ++++++++++++
 test/reporters/tests/function-as-name.test.ts    |  2 ++
 3 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/packages/runner/src/suite.ts b/packages/runner/src/suite.ts
index acd191eda960..c188b0f7f83a 100644
--- a/packages/runner/src/suite.ts
+++ b/packages/runner/src/suite.ts
@@ -275,7 +275,7 @@ function createTest(fn: (
 }
 
 function formatName(name: string | Function) {
-  return typeof name === 'string' ? name : name instanceof Function ? name.name : String(name)
+  return typeof name === 'string' ? name : name instanceof Function ? (name.name || 'Anonymous') : String(name)
 }
 
 function formatTitle(template: string, items: any[], idx: number) {
diff --git a/test/reporters/fixtures/function-as-name.test.ts b/test/reporters/fixtures/function-as-name.test.ts
index fb01790f0ec8..a08ab86b94fd 100644
--- a/test/reporters/fixtures/function-as-name.test.ts
+++ b/test/reporters/fixtures/function-as-name.test.ts
@@ -15,6 +15,18 @@ describe(Bar, () => {
   })
 })
 
+describe(() => {}, () => {
+  test(foo, () => {
+    expect(0).toBe(0)
+  })
+})
+
+describe(foo, () => {
+  test(() => {}, () => {
+    expect(0).toBe(0)
+  })
+})
+
 describe.each([1])(foo, () => {
   test.each([1])(foo, () => {
     expect(0).toBe(0)
diff --git a/test/reporters/tests/function-as-name.test.ts b/test/reporters/tests/function-as-name.test.ts
index 75714f30b053..61a85ea32c50 100644
--- a/test/reporters/tests/function-as-name.test.ts
+++ b/test/reporters/tests/function-as-name.test.ts
@@ -9,6 +9,8 @@ test('should print function name', async () => {
   expect(stdout).toBeTruthy()
   expect(stdout).toContain('function-as-name.test.ts > foo > Bar')
   expect(stdout).toContain('function-as-name.test.ts > Bar > foo')
+  expect(stdout).toContain('function-as-name.test.ts > Anonymous > foo')
+  expect(stdout).toContain('function-as-name.test.ts > foo > Anonymous')
   expect(stdout).toContain('function-as-name.test.ts > foo > foo')
   expect(stdout).toContain('function-as-name.test.ts > Bar > Bar')
 })

From e76cefe8cc431af67a3e99aa86bc88db9f782b05 Mon Sep 17 00:00:00 2001
From: btea <2356281422@qq.com>
Date: Tue, 13 Jun 2023 22:10:15 +0800
Subject: [PATCH 2/2] fix: update name & test

---
 packages/runner/src/suite.ts                  | 2 +-
 test/reporters/tests/function-as-name.test.ts | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/packages/runner/src/suite.ts b/packages/runner/src/suite.ts
index c188b0f7f83a..8cca928a9b93 100644
--- a/packages/runner/src/suite.ts
+++ b/packages/runner/src/suite.ts
@@ -275,7 +275,7 @@ function createTest(fn: (
 }
 
 function formatName(name: string | Function) {
-  return typeof name === 'string' ? name : name instanceof Function ? (name.name || 'Anonymous') : String(name)
+  return typeof name === 'string' ? name : name instanceof Function ? (name.name || '<anonymous>') : String(name)
 }
 
 function formatTitle(template: string, items: any[], idx: number) {
diff --git a/test/reporters/tests/function-as-name.test.ts b/test/reporters/tests/function-as-name.test.ts
index 61a85ea32c50..2dda78176898 100644
--- a/test/reporters/tests/function-as-name.test.ts
+++ b/test/reporters/tests/function-as-name.test.ts
@@ -9,8 +9,8 @@ test('should print function name', async () => {
   expect(stdout).toBeTruthy()
   expect(stdout).toContain('function-as-name.test.ts > foo > Bar')
   expect(stdout).toContain('function-as-name.test.ts > Bar > foo')
-  expect(stdout).toContain('function-as-name.test.ts > Anonymous > foo')
-  expect(stdout).toContain('function-as-name.test.ts > foo > Anonymous')
+  expect(stdout).toContain('function-as-name.test.ts > <anonymous> > foo')
+  expect(stdout).toContain('function-as-name.test.ts > foo > <anonymous>')
   expect(stdout).toContain('function-as-name.test.ts > foo > foo')
   expect(stdout).toContain('function-as-name.test.ts > Bar > Bar')
 })