[#88] ✅ add test

Author: sungryong.park

src/sortBy.bench.ts

@@ -0,0 +1,69 @@
+import _sortBy from 'lodash/sortBy'
+import {bench, describe} from 'vitest'
+
+import {sortBy} from './sortBy'
+
+const ITERATIONS = 100
+
+interface User {
+    user: string
+    age: number
+}
+
+const USERS_SMALL: User[] = [
+    {user: 'ChengJha', age: 48},
+    {user: 'JoelSaad', age: 36},
+    {user: 'RaulIsmail', age: 40},
+    {user: 'VeraSaeed', age: 45},
+    {user: 'RobertoRamos', age: 28},
+    {user: 'OscarWatanabe', age: 21},
+    {user: 'AnnXiang', age: 25},
+]
+
+const USERS_BIG: User[] = Array.from({length: 1000}, (_, i) => ({
+    user: 'user' + (i % 100),
+    age: Math.floor(Math.random() * 100),
+}))
+
+const USERS_HUGE: User[] = Array.from({length: 10_000}, (_) => ({
+    user: 'randomUser' + Math.floor(Math.random() * 1000),
+    age: Math.floor(Math.random() * 1000),
+}))
+
+const USERS_MULTI: User[] = [
+    {user: 'barney', age: 36},
+    {user: 'fred', age: 48},
+    {user: 'wilma', age: 40},
+    {user: 'wilma', age: 36},
+    {user: 'betty', age: 36},
+    {user: 'barney', age: 34},
+    {user: 'fred', age: 48},
+    {user: 'betty', age: 40},
+] as const
+
+const testCases = [
+    {data: USERS_SMALL, iteratees: ['age']},
+    {data: USERS_SMALL, iteratees: [(o: User) => o.user]},
+    {data: USERS_BIG, iteratees: ['user']},
+    {data: USERS_BIG, iteratees: [(o: User) => o.age]},
+    {data: USERS_HUGE, iteratees: ['age']},
+    {data: USERS_MULTI, iteratees: ['user', 'age']},
+    {data: USERS_MULTI, iteratees: ['user', (o: User) => o.age]},
+] as const
+describe('sortBy performance', () => {
+    bench('hidash sortBy', () => {
+        for (let i = 0; i < ITERATIONS; i++) {
+            for (const {data, iteratees} of testCases) {
+                sortBy(data, ...iteratees)
+            }
+        }
+    })
+
+    bench('lodash sortBy', () => {
+        for (let i = 0; i < ITERATIONS; i++) {
+            for (const {data, iteratees} of testCases) {
+                _sortBy(data, ...iteratees)
+            }
+        }
+    })
+})