From 8ea7e1278d329cfe3969abc2e0c9a685fed19b75 Mon Sep 17 00:00:00 2001
From: gonzaloriestra <14979109+gonzaloriestra@users.noreply.github.com>
Date: Fri, 10 Jul 2026 00:23:59 +0000
Subject: [PATCH 1/2] [Tests] Add unit tests for hrtime utilities

---
 .../cli-kit/src/public/node/hrtime.test.ts    | 51 +++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 packages/cli-kit/src/public/node/hrtime.test.ts

diff --git a/packages/cli-kit/src/public/node/hrtime.test.ts b/packages/cli-kit/src/public/node/hrtime.test.ts
new file mode 100644
index 00000000000..d93143e8630
--- /dev/null
+++ b/packages/cli-kit/src/public/node/hrtime.test.ts
@@ -0,0 +1,51 @@
+import {startHRTime, endHRTimeInMs} from './hrtime.js'
+import {describe, test, expect, vi, afterEach} from 'vitest'
+
+describe('hrtime', () => {
+  afterEach(() => {
+    vi.restoreAllMocks()
+  })
+
+  test('startHRTime returns the current high-resolution real time', () => {
+    // Given
+    const mockTime: [number, number] = [123, 456]
+    vi.spyOn(process, 'hrtime').mockReturnValue(mockTime)
+
+    // When
+    const result = startHRTime()
+
+    // Then
+    expect(process.hrtime).toHaveBeenCalled()
+    expect(result).toEqual(mockTime)
+  })
+
+  test('endHRTimeInMs returns the time in milliseconds with 2 decimal places', () => {
+    // Given
+    const startTime: [number, number] = [100, 0]
+    const diffTime: [number, number] = [1, 500000]
+    vi.spyOn(process, 'hrtime').mockReturnValue(diffTime)
+
+    // When
+    const result = endHRTimeInMs(startTime)
+
+    // Then
+    expect(process.hrtime).toHaveBeenCalledWith(startTime)
+    // 1 second + 500,000 nanoseconds = 1000ms + 0.5ms = 1000.5ms
+    expect(result).toBe('1000.50')
+  })
+
+  test('endHRTimeInMs handles sub-millisecond precision', () => {
+    // Given
+    const startTime: [number, number] = [100, 0]
+    const diffTime: [number, number] = [0, 1234567]
+    vi.spyOn(process, 'hrtime').mockReturnValue(diffTime)
+
+    // When
+    const result = endHRTimeInMs(startTime)
+
+    // Then
+    expect(process.hrtime).toHaveBeenCalledWith(startTime)
+    // 0 seconds + 1,234,567 nanoseconds = 1.234567ms
+    expect(result).toBe('1.23')
+  })
+})

From 31030f875729b0fc95024c1b46a5c425d440ffc9 Mon Sep 17 00:00:00 2001
From: gonzaloriestra <14979109+gonzaloriestra@users.noreply.github.com>
Date: Fri, 10 Jul 2026 00:44:15 +0000
Subject: [PATCH 2/2] [Tests] Add unit tests for hrtime utilities

---
 packages/cli-kit/src/public/node/hrtime.test.ts | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/packages/cli-kit/src/public/node/hrtime.test.ts b/packages/cli-kit/src/public/node/hrtime.test.ts
index d93143e8630..aebb6b4501b 100644
--- a/packages/cli-kit/src/public/node/hrtime.test.ts
+++ b/packages/cli-kit/src/public/node/hrtime.test.ts
@@ -1,11 +1,7 @@
 import {startHRTime, endHRTimeInMs} from './hrtime.js'
-import {describe, test, expect, vi, afterEach} from 'vitest'
+import {describe, test, expect, vi} from 'vitest'
 
 describe('hrtime', () => {
-  afterEach(() => {
-    vi.restoreAllMocks()
-  })
-
   test('startHRTime returns the current high-resolution real time', () => {
     // Given
     const mockTime: [number, number] = [123, 456]