Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Asynchronous Testing in XCTest
Search
Shingo Tamaki
December 21, 2018
Technology
0
420
Asynchronous Testing in XCTest
This document explain about asynchronous testing in XCTest
Shingo Tamaki
December 21, 2018
Tweet
Share
More Decks by Shingo Tamaki
See All by Shingo Tamaki
Introduction to Claude Code Action
tamaki
0
490
AIエージェントを使ったiOSアプリ開発を試してみた
tamaki
0
71
沖縄モバイルアプリ開発勉強会#1
tamaki
0
110
iOSアプリ開発を始めよう
tamaki
0
180
詳解xcresult.pdf
tamaki
0
350
メルペイでのリグレッションテスト自動化推進のこれまでとこれから
tamaki
0
740
What do you want to test with UI Test v2
tamaki
2
890
JPQRによって変わる日本のQRコード決済
tamaki
0
290
What's New in Testing
tamaki
1
58
Other Decks in Technology
See All in Technology
Oracle Base Database Service 技術詳細
oracle4engineer
PRO
8
65k
名刺メーカーDevグループ 紹介資料
sansan33
PRO
0
740
他チームへ越境したら、生データ提供ソリューションのクエリ費用95%削減へ繋がった話 / Cross-Team Impact: 95% Off Raw Data Query Costs
yamamotoyuta
0
240
MCP で繋ぐ Figma とデザインシステム〜LLM を使った UI 実装のリアル〜
kimuson
2
1.3k
研究開発部メンバーの働き⽅ / Sansan R&D Profile
sansan33
PRO
3
17k
CSS polyfill とその未来
ken7253
0
140
libsyncrpcってなに?
uhyo
0
150
新卒から4年間、20年もののWebサービスと向き合って学んだソフトウェア考古学 - PHPカンファレンス新潟2025 / new graduate 4year software archeology
oguri
2
360
NW運用の工夫と発明
recuraki
1
790
2025advance01
minamizaki
0
130
Eight Engineering Unit 紹介資料
sansan33
PRO
0
3.2k
All About Sansan – for New Global Engineers
sansan33
PRO
1
1.2k
Featured
See All Featured
The Art of Programming - Codeland 2020
erikaheidi
54
13k
Code Review Best Practice
trishagee
68
18k
Optimising Largest Contentful Paint
csswizardry
37
3.3k
How To Stay Up To Date on Web Technology
chriscoyier
790
250k
Learning to Love Humans: Emotional Interface Design
aarron
273
40k
The Art of Delivering Value - GDevCon NA Keynote
reverentgeek
14
1.5k
We Have a Design System, Now What?
morganepeng
52
7.6k
BBQ
matthewcrist
88
9.7k
The World Runs on Bad Software
bkeepers
PRO
68
11k
Why You Should Never Use an ORM
jnunemaker
PRO
56
9.4k
Agile that works and the tools we love
rasmusluckow
329
21k
Bootstrapping a Software Product
garrettdimon
PRO
307
110k
Transcript
Asyncronous Testing in XCTest
XCTestʹ͓͚Δඇಉظॲཧͷςετ ඇಉظͷςετͷͨΊʹXCTestExpectationͱXCTWaiter༻ҙ͞ Ε͍ͯ·͢ɻ XCTestExpectationͷfulfillͷ࣮ߦΛ࣋ͬͯඇಉظॲཧͷྃͱ͠ waitͰࢦఆͨ͠expectationͷྃʹػ͢Δͷ͕جຊతͳྲྀΕ Ͱ͢ɻ • XCTestExpectation • XCTWaiter
XCTestExpectation func test_fetchPilot() { // 1.XCTestExpectationΛ࡞ let expectation = XCTestExpectation(description:
"pilot") PilotApiClient.fetchPilot(of: "new_type") { (result) in switch result { case .success(let user): XCTAssert(user.name == "REI") case .failure(_): break } // 2.ඇಉظॲཧͷ࣮ߦϒϩοΫͰfulfillΛ࣮ߦ expectation.fulfill() } // 3.waitؔʹexpectationΛࢦఆ wait(for: [expectation], timeout: 2) //<- 1ඵະຬͰςετࣦഊ }
XCTestExpectation • expectedFulfillmentCount • isInverted
XCTestExpectation expectedFulfillmentCountʹճΛࢦఆ͢ΔͱࢦఆճҎԼ λΠϜΞτͰςετࣦഊͱ͞Ε·͢ɻ /// RadarAPIClient͔Β·ͣ1ඵޙʹɺͦͯͦ͠Ε͔Β5ඵޙʹίʔϧόοΫ͕ฦ͖ͬͯ·͢ɻ /// ෳճίʔϧόοΫ͕࣮ߦ͞ΕΔΛߟྀͯ͠Έ·͠ΐ͏ ! let expectation
= XCTestExpectation(description: "radar") expectation.expectedFulfillmentCount = 2 let here = MyLocation(latitude: 35.664584, longitude: 139.730852) RadarApiClient.observeEnemy(from: here) { [expectation] (result) in switch result { case .success(let enemies): XCTAssert(enemies.count > 0) case .failure(_): break } expectation.fulfill() } wait(for: [expectation], timeout: 10)
XCTestExpectation isInvertedΛࢦఆ͢ΔͱfulfillΛ"࣮ߦ͞Εͳ͍߹"ʹςετ͕ ޭ͠·͢ɻ let expectation = XCTestExpectation(description: "inverted") expectation.isInverted =
true // fulfill͕ى͖ͳ͔ͬͨ߹ʹςετޭͱ͢Δ wait(for: [expectation], timeout: 1)
XCTWaiter
XCTWaiter ͔͜͜ΒXCTWaiterͷΛ͠·͢ɻ XCTWaiterwaitϝιουͳͲͷΑ͏ͳඇಉظॲཧͷྃΛ ͭͨΊͷॲཧʹ͍ͭͯͷػೳΛ୲͠·͢ɻ ྫ͑waitXCTWaiterDelegateͰఆٛ͞Ε͓ͯΓɺ XCTestCase͕͜Εʹ४ڌ͍ͯ͠·͢ɻ
wait(or waitForExpectations) • ॲཧྃ࣌ʹಛఆͷॲཧΛ࣮ߦ͍ͨ͠߹ • ඇಉظॲཧͷλΠϜΞτ͕ҟͳΔ߹ • ඇಉظॲཧͷऴྃॱ͕݅ͱͳΔ߹(enforceOrder)
wait(or waitForExpectations) ॲཧྃ࣌ʹಛఆͷॲཧΛ࣮ߦ͍ͨ͠߹ let expectation = self.expectation(description: "waitExpectations") DispatchQueue.main.asyncAfter(deadline: .now()
+ 0.5) { expectation.fulfill() //fulfillͳͩ͠ͱ.timeoutWhileWaitingʹͳΔ } // ίʔϧόοΫͷҾError?Ͱ͋Γɺਖ਼ৗ࣌λΠϜΞτ࣌XCTestError͕ฦ٫͞ΕΔ waitForExpectations(timeout: 1) { (error) in guard let error = error as? XCTestError else { return } switch error.code { case .failureWhileWaiting: print(" ! ࣦഊ࣌ͪ͜Β") //ਖ਼ίϨͷى͜͠ํ͕Θ͔ͬͯͳ͍ break case .timeoutWhileWaiting: print(" ! λΠϜΞτͷ߹ͪ͜Β") } }
wait(or waitForExpectations) ඇಉظॲཧͷλΠϜΞτ͕ҟͳΔ߹ ҰͭͷwaitͰॲཧͤͣʹෳͷwaitΛ͏ࣄͰλΠϜΞτͷ࣌ ؒΛ͚Δ͜ͱ͕Ͱ͖Δɻ let expForPilot = XCTestExpectation(description: "pilot")
fetchPilot(expForPilot) let expForColony = XCTestExpectation(description: "colony") fetchColony(expForColony) // λΠϜΞτͷ͕࣌ؒҧ͏ͷͰ͋ΕwaitؔΛෳʹ͚࣮ͯߦ͢Δࣄग़དྷΔɻ wait(for: [expForPilot], timeout: 2) wait(for: [expForColony], timeout: 4)
wait(or waitForExpectations) ಛఆͷॱ൪Λظͯ͠ςετ͢Δ߹enforceOrderΛtrueʹ͢ ΔࣄͰ࣮ߦྃॱग़ͳ͍߹ʹςετࣦഊͱ͢Δ͜ͱ͕Ͱ͖ Δɻ let expForPilot = XCTestExpectation(description: "pilot")
let expForColony = XCTestExpectation(description: "colony") // ྫ͑fetchColonyͷޙʹfetchPilot͠ͳ͚Ε͍͚ͳ͍ཁ͕݅͋ͬͨ߹ fetchColony(expForColony) { fetchPilot(expForPilot) } wait(for: [expForColony, expForPilot], timeout: 10, enforceOrder: true) //<- enforceOrderΛࢦఆ͢ΔࣄͰexpectationͷॱং·ͰݟΔ͜ͱ͕Ͱ͖Δ
৭ʑͳExpectationୡ
৭ʑͳExpectationୡ • XCTKVOExpectation • XCTNSNotificationExpectation • XCTNSPredicateExpectation • XCTDarwinNotificationExpectation
XCTKVOExpectation KVO(Key Value Observe)Λར༻ͨ͠Expectation KeyPathʹࢦఆͨ͠ϓϩύςΟͷࢹΛߦ͏ࣄͰར༻Մೳ let noobPilot = Pilot(id: "noob",
name: "Arbeo", abilities: []) let battleField = BattleField(pilots: [noobPilot]) let expectation = XCTKVOExpectation(keyPath: "mind", object: noobPilot) battleField.startBattle() wait(for: [expectation], timeout: 3)
XCTNSNotificationExpectation NSNotificationΛར༻ͨ͠Expectation ࢦఆ໊ͨ͠લͷ௨Λ࣋ͬͯྃͱ͢Δࣄ͕Ͱ͖Δɻ let noobPilot = Pilot(id: "noob", name: "Arbeo",
abilities: []) let battleField = BattleField(pilots: [noobPilot]) let expectation = XCTNSNotificationExpectation(name: Notification.Name("ͬͯΔʂͬͯΔͧʂ")) battleField.startBattle() wait(for: [expectation], timeout: 3)
XCTNSPredicateExpectation NSPredicateΛར༻ͨ͠Expectation ݅ʹ߹கΛॲཧྃͱ͢Δ͜ͱ͕Ͱ͖Δ let noobPilot = Pilot(id: "noob", name: "Arbeo",
abilities: []) let battleField = BattleField(pilots: [noobPilot]) let predicate = NSPredicate(format: "mind == 1") let expectation = XCTNSPredicateExpectation(predicate: predicate, object: noobPilot) battleField.startBattle() wait(for: [expectation], timeout: 3)
XCTDarwinNotificationExpectatio n Darwin NotificationΛར༻ͨ͠Expectation NSNotificationͱಉ͘͡ࢦఆ໊ͨ͠લͷ௨Λ࣋ͬͯྃͱ͢Δ ࣄ͕Ͱ͖Δɻ let noobPilot = Pilot(id:
"noob", name: "Arbeo", abilities: []) let battleField = BattleField(pilots: [noobPilot]) let expectation = XCTDarwinNotificationExpectation(notificationName: "ͬͯΈΔ͞ʂ") battleField.startBattle() wait(for: [expectation], timeout: 3)
͓·͚ Darwin Notify͏ͱΞϓϦؒແࢹͯ͠௨͕Ͱ͖·͢ɻ ϦδΣΫτϦεΫݱࡏௐࠪதɺ·ͨվΊͯ͠·͢ɻͯ࣍ ճ
Ҏ্