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
450
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
Use Gemini CLI from Claude Code as part of Sub Agent
tamaki
1
160
Let's make an Immersive Video with APMP
tamaki
0
21
Firebase Studioで始めるモバイルアプリ開発入門
tamaki
0
18
Introduction to Claude Code Action
tamaki
0
690
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
130
沖縄モバイルアプリ開発勉強会#1
tamaki
0
120
iOSアプリ開発を始めよう
tamaki
0
200
詳解xcresult.pdf
tamaki
0
380
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
770
Other Decks in Technology
See All in Technology
研究開発部メンバーの働き⽅ / Sansan R&D Profile
sansan33
PRO
3
20k
AI Agentと MCP Serverで実現する iOSアプリの 自動テスト作成の効率化
spiderplus_cb
0
410
AI ReadyなData PlatformとしてのAutonomous Databaseアップデート
oracle4engineer
PRO
0
140
実装で解き明かす並行処理の歴史
zozotech
PRO
1
260
フルカイテン株式会社 エンジニア向け採用資料
fullkaiten
0
9k
ユニットテストに対する考え方の変遷 / Everyone should watch his live coding
mdstoy
0
110
From Prompt to Product @ How to Web 2025, Bucharest, Romania
janwerner
0
110
Green Tea Garbage Collector の今
zchee
PRO
2
380
ZOZOのAI活用実践〜社内基盤からサービス応用まで〜
zozotech
PRO
0
140
pprof vs runtime/trace (FlightRecorder)
task4233
0
150
非エンジニアのあなたもできる&もうやってる!コンテキストエンジニアリング
findy_eventslides
3
880
AIが書いたコードをAIが検証する!自律的なモバイルアプリ開発の実現
henteko
1
290
Featured
See All Featured
Unsuck your backbone
ammeep
671
58k
ピンチをチャンスに:未来をつくるプロダクトロードマップ #pmconf2020
aki_iinuma
127
53k
Being A Developer After 40
akosma
91
590k
Testing 201, or: Great Expectations
jmmastey
45
7.7k
Building an army of robots
kneath
306
46k
Intergalactic Javascript Robots from Outer Space
tanoku
273
27k
YesSQL, Process and Tooling at Scale
rocio
173
14k
VelocityConf: Rendering Performance Case Studies
addyosmani
332
24k
BBQ
matthewcrist
89
9.8k
The Web Performance Landscape in 2024 [PerfNow 2024]
tammyeverts
9
840
[RailsConf 2023 Opening Keynote] The Magic of Rails
eileencodes
30
9.7k
Docker and Python
trallard
46
3.6k
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