From a9f938f7237e8bcc84a77e0c26a472b33eb93c30 Mon Sep 17 00:00:00 2001
From: developomp <developomp@gmail.com>
Date: Mon, 31 Jul 2023 01:18:51 +0900
Subject: [PATCH] fix(main): tests failing

---
 apps/main/src/utils/getAge.test.ts | 57 +++++++++++++++++-------------
 apps/main/src/utils/getAge.ts      | 11 ++++--
 2 files changed, 41 insertions(+), 27 deletions(-)

diff --git a/apps/main/src/utils/getAge.test.ts b/apps/main/src/utils/getAge.test.ts
index 500c53f..68667c2 100644
--- a/apps/main/src/utils/getAge.test.ts
+++ b/apps/main/src/utils/getAge.test.ts
@@ -1,12 +1,19 @@
 import dayjs from "dayjs"
+import timezone from "dayjs/plugin/timezone"
+import utc from "dayjs/plugin/utc"
 
 import { testing } from "./getAge"
 
+dayjs.extend(utc)
+dayjs.extend(timezone)
+
+dayjs.tz.setDefault("Asia/Seoul")
+
 const { birth, getAge, ageInt, ageDecimal, isOverBirthDay } = testing
 
 describe("getAge tests", () => {
     test("birthday to be 2002-07-30", () => {
-        expect(birth).toEqual(dayjs("2002-07-30 00:00:00.000+09:00"))
+        expect(birth).toEqual(dayjs.tz("2002-07-30"))
     })
 
     test.each<{
@@ -17,56 +24,56 @@ describe("getAge tests", () => {
         date: number
     }>([
         {
-            timestamp: "2022-12-31 00:00:00.000+09:00",
+            timestamp: "2022-12-31",
             overBD: true,
             year: 2022,
             monthIndex: 11,
             date: 31,
         },
         {
-            timestamp: "2023-01-01 00:00:00.000+09:00",
+            timestamp: "2023-01-01",
             overBD: false,
             year: 2023,
             monthIndex: 0,
             date: 1,
         },
         {
-            timestamp: "2023-07-29 00:00:00.000+09:00",
+            timestamp: "2023-07-29",
             overBD: false,
             year: 2023,
             monthIndex: 6,
             date: 29,
         },
         {
-            timestamp: "2023-07-30 00:00:00.000+09:00",
+            timestamp: "2023-07-30",
             overBD: true,
             year: 2023,
             monthIndex: 6,
             date: 30,
         },
         {
-            timestamp: "2023-07-31 00:00:00.000+09:00",
+            timestamp: "2023-07-31",
             overBD: true,
             year: 2023,
             monthIndex: 6,
             date: 31,
         },
         {
-            timestamp: "2023-12-31 00:00:00.000+09:00",
+            timestamp: "2023-12-31",
             overBD: true,
             year: 2023,
             monthIndex: 11,
             date: 31,
         },
         {
-            timestamp: "2024-01-01 00:00:00.000+09:00",
+            timestamp: "2024-01-01",
             overBD: false,
             year: 2024,
             monthIndex: 0,
             date: 1,
         },
     ])("isOverBirthDay to work ($timestamp)", (testData) => {
-        const date = dayjs(testData.timestamp)
+        const date = dayjs.tz(testData.timestamp)
 
         expect(date.year()).toEqual(testData.year)
         expect(date.month()).toEqual(testData.monthIndex)
@@ -75,30 +82,30 @@ describe("getAge tests", () => {
     })
 
     test.each<[string, number]>([
-        ["2002-07-30 00:00:00.000+09:00", 0],
-        ["2023-07-29 00:00:00.000+09:00", 20],
-        ["2023-07-30 00:00:00.000+09:00", 21],
-        ["2023-07-31 00:00:00.000+09:00", 21],
+        ["2002-07-30", 0],
+        ["2023-07-29", 20],
+        ["2023-07-30", 21],
+        ["2023-07-31", 21],
     ])("ageInt to work for '%s'", (date, expected) => {
-        expect(ageInt(dayjs(date))).toEqual(expected)
+        expect(ageInt(dayjs.tz(date))).toEqual(expected)
     })
 
     test.each<[string, number]>([
-        ["2023-07-29 00:00:00.000+09:00", 0.9972602739726028],
-        ["2023-07-30 00:00:00.000+09:00", 0.0],
-        ["2023-07-31 00:00:00.000+09:00", 0.00273224043715847],
+        ["2023-07-29", 0.9972602739726028],
+        ["2023-07-30", 0.0],
+        ["2023-07-31", 0.00273224043715847],
     ])("ageDecimal to work for '%s'", (date, expected) => {
-        expect(ageDecimal(dayjs(date))).toEqual(expected)
-        expect(ageDecimal(dayjs(date))).toBeGreaterThanOrEqual(0.0)
-        expect(ageDecimal(dayjs(date))).toBeLessThan(1.0)
+        expect(ageDecimal(dayjs.tz(date))).toEqual(expected)
+        expect(ageDecimal(dayjs.tz(date))).toBeGreaterThanOrEqual(0.0)
+        expect(ageDecimal(dayjs.tz(date))).toBeLessThan(1.0)
     })
 
     test.each<[string, number]>([
-        ["2002-07-30 00:00:00.000+09:00", 0.0],
-        ["2023-07-29 00:00:00.000+09:00", 20.997260273972604],
-        ["2023-07-30 00:00:00.000+09:00", 21.0],
-        ["2023-07-31 00:00:00.000+09:00", 21.002732240437158],
+        ["2002-07-30", 0.0],
+        ["2023-07-29", 20.997260273972604],
+        ["2023-07-30", 21.0],
+        ["2023-07-31", 21.002732240437158],
     ])("getAge to work for '%s'", (date, expected) => {
-        expect(getAge(dayjs(date))).toEqual(expected)
+        expect(getAge(dayjs.tz(date))).toEqual(expected)
     })
 })
diff --git a/apps/main/src/utils/getAge.ts b/apps/main/src/utils/getAge.ts
index b2cdbad..dcd791f 100644
--- a/apps/main/src/utils/getAge.ts
+++ b/apps/main/src/utils/getAge.ts
@@ -1,14 +1,21 @@
 import dayjs, { type Dayjs } from "dayjs"
+import timezone from "dayjs/plugin/timezone"
+import utc from "dayjs/plugin/utc"
+
+dayjs.extend(utc)
+dayjs.extend(timezone)
+
+dayjs.tz.setDefault("Asia/Seoul")
 
 // my birthday in KST :D
-const birth = dayjs("2002-07-30 00:00:00.000+09:00")
+const birth = dayjs.tz("2002-07-30")
 
 /**
  * Gets developomp's age with decimal precision
  *
  * @param now - current `Date` in KST
  */
-export default function getAge(now: Dayjs = dayjs()): number {
+export default function getAge(now: Dayjs = dayjs.tz()): number {
     return ageInt(now) + ageDecimal(now)
 }