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ػೳ͝ͱʹಈ࡞͢ΔϛχΞϓϦͰ
ϓϨϏϡʔαΠΫϧΛരʹͨ͠
iOSDC JAPAN 2021 2021/09/18 Track C @aomathwift
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ࣗݾհ
• Aoi Okawa @aomathwift
• Cookpad Inc. iOS App Developer
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։ൃதͷը໘Ͳ͏ͬͯ֬ೝͯ͠·͔͢ʁ
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શ෦Ϗϧυͯ͠ؤுΔ
• ͕͔͔࣌ؒΔ
• ֬ೝ͍ͨ͠ը໘ʹ͙ͨ͢ͲΓ͚ͭͳ͍
• ։ൃ్தͰಋઢ͕ͳ͍
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શ෦Ϗϧυͯ͠ؤுΔ
• ͕͔͔࣌ؒΔ
• ֬ೝ͍ͨ͠ը໘ʹ͙ͨ͢ͲΓ͚ͭͳ͍
• ։ൃ్தͰಋઢ͕ͳ͍
• ͕͔͔࣌ؒΔ
ޮΘΔ͍😇
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ϑϧϏϧυ͢ΔͷΛΊΑ͏💡
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ϛχΞϓϦͷಋೖ
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ର
• ΞϓϦಈ࡞֬ೝͷͨΊʹ͍Ϗϧυ࣌ؒΛ͍ͬͯΔਓ
• ։ൃաఔͷϓϨϏϡʔαΠΫϧΛվળ͍ͨ͠ਓ
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Agenda
• ΫοΫύουiOSΞϓϦͰͷϛχΞϓϦӡ༻ࣄྫ
‣ ୯ମىಈՄೳͳϞδϡʔϧߏ
‣ ϛχΞϓϦͷΈ
‣ νʔϜશମͰར༻ͯ͠Β͏
‣ ΑΓ͍͍͢ΈΛࢦͯ͠
• ৽͍͠ΞϓϦͷԠ༻
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ΫοΫύουΞϓϦ
• 50 Releases / year
• 15 developers / release
• 40 ~ 50 PR / release
• 328,000 lines
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୯ମىಈՄೳͳϞδϡʔϧߏ
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Cookpad TechConf 2019
ʮΫοΫύου iOS ΞϓϦͷഁյͱ૾ɺͦͯ͠ະདྷʯ
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Cookpad TechConf 2019
ʮΫοΫύου iOS ΞϓϦͷഁյͱ૾ɺͦͯ͠ະདྷʯ
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Core Module
• நԽͷͨΊͷΠϯλʔϑΣΠε
• ڞ௨ͷ UI ίϯϙʔωϯτ
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Cookpad TechConf 2019
ʮΫοΫύου iOS ΞϓϦͷഁյͱ૾ɺͦͯ͠ະདྷʯ
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Application
• Application Target
• ϓϩδΣΫτͷͯ͢ͷ࣮Λ͍ͬͯΔ
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Cookpad TechConf 2019
ʮΫοΫύου iOS ΞϓϦͷഁյͱ૾ɺͦͯ͠ະདྷʯ
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Feature Module
• 1 ػೳʹؔ࿈͢Δෳը໘Λ 1 ͭͷϞδϡʔϧͱͯ͠·ͱΊΔ
‣ ങ͍ɺϨγϐৄࡉɺϨγϐߘɺͭ͘ΕΆɹͳͲ
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Feature Module
• υϝΠϯΛڞ༗Ͱ͖Δ୯ҐͰྨ͢Δ
• Ϟδϡʔϧ୯ମͰ 1 ͭͷػೳʹඞཁͳ࣮͕݁͢Δ
→ Ϟδϡʔϧ୯ମͰϏϧυ͕Ͱ͖Δ 🎉
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No content
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ϛχΞϓϦͷΈ
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ϛχΞϓϦ࣮ݱͷ՝
• ֎෦ϥΠϒϥϦͷґଘΛݮΒ͢
• ଞͷ Feature Module ʹґଘ͠ͳ͍
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Transition
Environment
Network
CookpadEnvironment StubbableEnvironment
Logger
Cookpad Sandbox Test
ґଘͷ͍߹ΘͤΛ
ड͚࣮ͯΛฦ͢
ґଘͷೖ
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Transition
Environment
Network
CookpadEnvironment StubbableEnvironment
Logger
Cookpad Sandbox Test
֎෦ϥΠϒϥϦଞͷ
ϞδϡʔϧΛ͍ͬͯΔ
Ϟδϡʔϧ֎ͷ࣮ʹ
ґଘ͠ͳ͍μϛʔ࣮
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Environment
import Foundation
import UIKit
public protocol Environment
{
var client: ServiceClient { get
}
var serviceAccountProvider: ServiceAccountProvider { get
}
var activityLogger: ActivityLogger { get
}
var urlSchemeOpener: URLSchemeOpener { get
}
/// …
func resolve(_ descriptor: Descriptor) ->
Descriptor.Outpu
t
}
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Transition
Environment
Network
CookpadEnvironment StubbableEnvironment
Logger
Cookpad Sandbox Test
StubbableEnvironment
ωοτϫʔΫ௨৴
StubbableServiceClient
ը໘ભҠ
StubbableResolver
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Transition
Environment
Network
CookpadEnvironment StubbableEnvironment
Logger
Cookpad Sandbox Test
StubbableEnvironment
ωοτϫʔΫ௨৴
StubbableServiceClient
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class RecipeDetailsDataStoreTest: XCTestCase
{
let dataStore = RecipeDetailsDataStore(
)
private let recipeID: Int64 = 100
func testSuccessFetchRecipeDetailsRecipes()
{
let expectation = self.expectation(description: "Could get recipe details
recipe"
)
dataStore.request { (data, error
)
if let error = error
{
XCTFail(
)
} else
{
expectation.fulfill(
)
let recipe = try! JSONEncoder().decode(Recipe.self, from: data
)
XCTAssertEqual(recipe.name, "Ͱ͔͍ΠʔϒΠ"
)
XCTAssertEqual(recipe.title, "ϚϦτοπΥ"
)
}
}
waitUntilDefaultTimeout(for: expectation
)
}
}
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class RecipeDetailsDataStoreTest: XCTestCase
{
let testingEnvironment = StubbableEnvironment(
)
lazy var dataStore = RecipeDetailsDataStore(environment: testingEnvironment
)
private let disposeBag = DisposeBag(
)
private let recipeID: Int64 = 100
func testSuccessFetchRecipeDetailsRecipes()
{
let responseData = loadJSONData(named: "recipe_details_recipe"
)
testingEnvironment.registerClientResponse
(
responseData
,
for: "/recipes/\(recipeID)"
,
method: .get
)
let expectation = self.expectation(description: "Could get recipe details recipe"
)
dataStore.fetchRecipe(recipeID: recipeID
)
.subscribe(onSuccess: { response in
expectation.fulfill(
)
XCTAssertEqual(response.author?.name, "Ͱ͔͍ΠʔϒΠ"
)
XCTAssertEqual(response.title, "ϚϦτοπΥ"
)
}
)
.disposed(by: disposeBag
)
waitUntilDefaultTimeout(for: expectation
)
}
}
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public protocol GarageRequest
{
associatedtype Respons
e
var baseURL: URL? { get
}
var method: HTTPMethod { get
}
var path: String { get
}
var parameters: [String: Any] { get
}
var headerFields: [String: String] { get
}
func makeResponse(from data: Data, urlResponse: HTTPURLResponse) throws -> Respons
e
}
public protocol ServiceClient
{
@discardableResul
t
func sendRequest
(
_ request: Request
,
handler: @escaping (Result) -> Void) -> Cancellabl
e
}
αʔόʔͷRequest
ʹඞཁͳͷΛڞ௨Խ
Request ϝιου
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struct ServiceClientStub
{
typealias Response = Swift.Result
var path: Strin
g
var method: HTTPMetho
d
var parameters: [String: Any
]
var fields: [GarageFieldDescriptor]
?
enum ParametersMatchingPattern
{
case exactMatc
h
case includin
g
}
var parametersMatchingPattern: ParametersMatchingPatter
n
var result: Respons
e
var urlResponse: HTTPURLRespons
e
var parameterSet: Set
{
return makeParameterSet(from: parameters
)
}
}
RequestʹରԠ͢Δμϛʔ
ͷResponseΛηοτͰ࣋ͭ
Response
Request
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// StubbableServiceClient
private var responseStubs: [ServiceClientStub] = [
]
func registerClientResponse
(
_ response: Response
,
for path: String
,
method: HTTPMethod
,
statusCode: Int
,
parameters: [String: Any] = [:]
,
fields: [GarageFieldDescriptor]? = nil
,
parametersMatchingPattern: ServiceClientStub.ParametersMatchingPattern
,
httpHeaders: [String: String]? = nil
)
{
let stub = ServiceClientStub
(
path: path
,
method: method
,
parameters: parameters
,
fields: fields
,
parametersMatchingPattern: parametersMatchingPattern
,
result: .success(response.jsonData)
,
urlResponse: makeURLResponse(path: path, statusCode: statusCode, httpHeaders:
httpHeaders
)
)
responseStubs.append(stub
)
}
StubbableServiceClient
ͷதͰStubΛอ࣋͢Δ
ϝιουɾPath͝ͱʹҰҙʹ
ͳΔΑ͏ʹϞοΫσʔλΛొ
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let matchingStubs = responseStubs.filter { stub in
if stub.path != request.path || stub.method != request.method
{
return false
}
if let stubFields = stub.fields, stubFields != request.fields
{
return false
}
switch stub.parametersMatchingPattern
{
case .exactMatch
:
return stub.parameterSet == request.parameterSe
t
case .including
:
return stub.parameterSet.isSubset(of: request.parameterSet
)
}
}
Pathɺύϥϝʔλɺ
fi
eld͕ొࡁΈ
ͷStubͱҰக͢Δ͔νΣοΫ
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public enum StubbingError: Error
{
case noMatchingStubs(AnyGarageRequest
)
case multipleMatchingStubs(AnyGarageRequest, [ServiceClientStub]
)
public var localizedDescription: String
{
switch self
{
case let .noMatchingStubs(request)
:
return "No matching stubs found for \(request)"
case let .multipleMatchingStubs(request, stubs)
:
return "Multiple stubs matching \(request): \(stubs)"
}
}
}
// StubbableServiceClient
let matchingStub: ServiceClientStu
b
switch matchingStubs.count
{
case 0
:
return stubbingErrorHandler(.noMatchingStubs(AnyGarageRequest(request))
)
case 1
:
matchingStub = matchingStubs[0
]
default
:
return stubbingErrorHandler(.multipleMatchingStubs(AnyGarageRequest(request),
matchingStubs)
)
}
దͳελϒ͕ͳ͍ɺ·ͨॏෳͯ͠
ଘࡏ͢Δ߹ErrorΛੜ͢Δ
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switch matchingStub.result
{
case let .success(data)
:
do
{
let response = try request.makeResponse(from: data ?? Data(), urlResponse:
matchingStub.urlResponse
)
handler(.success(response)
)
} catch
{
switch error
{
case let clientTaskError as ClientTaskError
:
handler(.failure(clientTaskError)
)
case let responseError as ResponseError
:
handler(.failure(.rawNetworkingTaskError(.responseError(responseError)))
)
case let decodingError as DecodingError
:
handler(.failure(.rawNetworkingTaskError(.responseError(.serializationError(decodingError))))
)
default
:
handler(.failure(.rawNetworkingTaskError(.responseError(.unknownError(error))))
)
}
}
case let .failure(error)
:
handler(.failure(error)
)
}
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let environment = StubbableEnvironment(
)
let categoriesJSONData = fixtureLoader.loadJSONData(named: "categories"
)
environment.registerClientResponse
(
categoriesJSONData
,
for: "/v1/top_categories"
,
method: .get
)
let viewController = RecipeCategoryListViewBuilder.build(environment: environment
)
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Transition
Environment
Network
CookpadEnvironment StubbableEnvironment
Logger
Cookpad Sandbox Test
StubbableEnvironment
ը໘ભҠ
StubbableResolver
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Resolver
• ଞͷϞδϡʔϧͷ࣮ΛऔΓग़͢Έ
• Environment ܦ༝ͰநԽ͞Εͨଞͷ FeatureModule ͷ࣮
ΛऔΓग़͢
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Resolver for ϛχΞϓϦ
• Resolver ͷΈΛϛχΞϓϦͰԠ༻
• ଞϞδϡʔϧͷը໘શͯμϛʔͷը໘Ͱฦ͢
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ΫοΫύου։ൃऀϒϩά ίʔυੜΛ༻͍ͨiOSΞϓϦϚϧνϞδϡʔϧԽͷͨΊͷґଘղܾ
https://techlife.cookpad.com/entry/2021/06/16/110000
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͜͜·Ͱͷ·ͱΊ
• Ϟδϡʔϧ୯ҐͰҰͭͷػೳ͕݁͢ΔΑ͏ʹ͢Δ
• Ϟδϡʔϧಉ࢜૬ޓґଘ͠ͳ͍
• ଞϞδϡʔϧʹ͋ΔͳͲࢀরͰ͖ͳ͍෭࡞༻μϛʔ࣮
Λ༻ҙ͢Δ
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νʔϜͰར༻ͯ͠Β͏
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ϛχΞϓϦಋೖॳظͷ՝
• ϛχΞϓϦ༻ͷίʔυͷهड़͕ͱʹ͔͘໘
• ಉ͡ηοτΞοϓΛԿճΓͨ͘ͳ͍
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ίʔυͷڞ༗ɾڞ௨Խ
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public struct SandboxScene
{
public init(sceneName: String, initializer: @escaping (SandboxInitializer) ->
UIViewController)
{
self.sceneName = sceneNam
e
self.initializer = initialize
r
}
var sceneName: Strin
g
var initializer: (SandboxInitializer) -> UIViewControlle
r
}
// AppDelegate.swift
let rootViewController = SandboxSceneSelectTableViewController
(
scenes:
[
.recipeCategoryList
,
.subCategories
,
]
)
Sandboxͷը໘
Λߏ͢Δͷ
SandboxScene
ͷྻΛڞ༗
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ίʔυͷڞ௨Խ
• ϛχΞϓϦ༻ͷμϛʔ෭࡞༻͕ͲΜͲΜ૿͑Δ
• ىಈ࣌ʹඞཁͳίʔυ͕૿͑Δ
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CookpadCore
CookpadComponent
SandboxCore
Feature B
Sandbox
Feature A
Sandbox
Feature C
Sandbox
Sandbox༻ͷڞ௨࣮
ຊମͱͷڞ௨࣮
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ίʔυͷࣗಈੜ
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ίʔυͷࣗಈੜ
• AppDelegate ֤ Scene ͷॳظઃఆͳͲɺϘΠϥʔϓϨʔτ
ίʔυͷهड़͕໘
→ ίʔυπʔϧΛͬͯࣗಈੜ͢Δ
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Genesis
• https://github.com/yonaskolb/Genesis
• Stencil ͱ͍͏ςϯϓϨʔτΤϯδϯΛར༻
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options
:
- name: sceneName
question: Sandbox scene name?
description: new Sandbox scene name to generate. (e.g. recipeDetails).
type: string
required: true
- name: moduleName
question: Destination target?
description: module name to generate new sandbox scene for. (e.g. RecipeDetails)
type: string
required: true
files
:
- template: Sandbox/SandboxScene.stencil
path: "Sandbox/{{ moduleName }}Sandbox/{{ sceneName }}SandboxScene.swift"
- template: Sandbox/AppDelegate.swift.stencil
path: "Sandbox/{{ moduleName }}Sandbox/{{ moduleName }}AppDelegate.swift"
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@testable import {{ moduleName }
}
import UIKit
@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate
{
private let environment = StubbableEnvironment(
)
var window: UIWindow
?
func application(_ application: UIApplication, didFinishLaunchingWithOptions
launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool
{
window = UIWindow(frame: UIScreen.main.bounds
)
// Inject Scenes to RootTableViewController
let rootViewController = {{ sceneName }}ViewBuilder.build(environment: environment
)
window?.rootViewController = rootViewControlle
r
window?.makeKeyAndVisible(
)
return true
}
}
https://github.com/stencilproject/Stencil
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@testable import RecipeDetails
import UIKit
@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate
{
private let environment = StubbableEnvironment(
)
var window: UIWindow
?
func application(_ application: UIApplication, didFinishLaunchingWithOptions
launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool
{
window = UIWindow(frame: UIScreen.main.bounds
)
// Inject Scenes to RootTableViewController
let rootViewController = RecipeDetailsViewBuilder.build(environment: environment
)
window?.rootViewController = rootViewControlle
r
window?.makeKeyAndVisible(
)
return true
}
}
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Sandbox ࠲ஊձͷ։࠵
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ΑΓ͍͍͢ΈΛࢦͯ͠
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࠷ޙʹىಈͨ͠ը໘ΛهԱ
• ։ൃதಉ͡ը໘Λ܁Γฦ֬͠ೝ͍ͨ͠߹͕ଟ͍
→ ࠷ޙʹ։͍ͨ Scene ΛهԱͯ͠ɺىಈ࣌ʹͦΕΛ։͘Α͏ʹ
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ωοτϫʔΫͷԆͷઃఆ
• ελϒͨ͠ϨεϙϯεΛฦ͢෦ͰਓҝతʹϦΫΤετॲཧΛ
Ԇͤ͞ΔΑ͏ʹ
// StubbableServiceClient.swift
open func sendRequest
(
_ request: Request
,
handler: @escaping (Result) -> Void) -> Cancellable
where Request: GarageRequest
{
let workItem = DispatchWorkItem
{
self.handleSendRequest(request, handler: handler
)
}
DispatchQueue.main.asyncAfter(deadline: .now() + requestDelayDuration, execute: workItem
)
return workIte
m
}
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͔͜͜Βཧ
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࣮ϦΫΤετͷ࣮ݱ
• ୯ػೳͰͷ API ͷૄ௨֬ೝ
• σʔλͷελϒ͕ཁΒͳ͍ͷͰศར
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ελϒͷ؆қԽ
• Ϩεϙϯεͷ JSON ΛखಈͰ༻ҙͯͯ͠େม
• ϞοΫσʔλੜπʔϧͷར༻Λݕ౼
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Advanced
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৽͍͠ΞϓϦͷԠ༻
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Cookpad Mart
• 2018 ʹ։࢝ͨ͠৽͍͠ϓϩμΫτ
• ը໘ػೳ͕૿͑ෳࡶʹͳ͖ͬͯͨ
• ؔΘͬͨ։ൃऀ૿͖͑ͯͨʢ㲈 ίʔυ͕ࡶʹͳ͖ͬͯͨʣ
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Cookpad Mart ͷ՝
• ֤ঢ়ଶͷ࠶ݱ͕݅ෳࡶ
• ը໘ભҠ͕໘
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Ϟδϡʔϧ·ͰͰ͖ͯͳ͍͚Ͳ
ಈ࡞֬ೝΛগ͠Ͱָʹ͍ͨ͠ʂ
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୯ը໘ىಈͷΈͷ༌ೖ
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୯ը໘ىಈ
• Scheme ͷڥมΛར༻
• XcodeGenΛ͍ͬͯΕ༰қʹઃఆՄೳ
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schemes
:
CookpadMartECSandbox
:
build
:
config: Debug
targets
:
CookpadMartEC: all
run
:
config: Debug
environmentVariables
:
RUNNING_SANDBOX: 1
profile
:
config: Debug
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func application
(
_ application: UIApplication
,
didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]
?
) -> Bool
{
if isRunningSandbox
{
window = UIWindow(frame: UIScreen.main.bounds
)
let rootViewController = SandboxSceneSelectTableViewController
{
Scene
(
name: "Coupon"
,
CouponListViewController.create(dependency: .init(launchMode: .setting, shouldCloseButtonHidden: false)
)
)
{
Mock(path: "/v2/coupons", statusCode: 200, method: .get)
{
JSONData(fromBundle: "coupons"
)
}
}
Scene
(
name: "Coupon (Error)"
,
CouponListViewController.create(dependency: .init(launchMode: .setting, shouldCloseButtonHidden: false)
)
)
{
Mock(path: "/v2/coupons", statusCode: 403, method: .get)
{
JSONData("\"error\": \"message\""
)
}
}
}
let navigationController = UINavigationController(rootViewController: rootViewController
)
window?.rootViewController = navigationControlle
r
window?.makeKeyAndVisible(
)
return true
}
/// ....
return true
}
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ϦΫΤετελϒ͢Δ
let stubbableServiceClient = StubbableServiceClient(
)
if let jsonData = mock.json.data
{
stubbableServiceClient.registerClientResponse
(
jsonData
,
for: mock.path
,
method: mock.method
,
statusCode: mock.statusCod
e
)
}
ServiceClientProvider.injectionContainer.serviceClient = stubbableServiceClien
t
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୯ը໘ىಈ
• ఆٛͨ͠ Scheme Λબͯ͠Ϗϧυ͢Δ
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No content
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୯ը໘ىಈ
• ୯ը໘ىಈͷΈ͕Θ͔Δ SandboxKit
• https://github.com/aomathwift/SandboxKit
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• ϛχΞϓϦ։ൃޮΛ্͛ΔҰखஈ
‣ ػೳ୯ҐͰΘ͚Δ
‣ ґଘΛݮΒ͢
‣ ηοτΞοϓΛ؆୯ʹ͢Δ
‣ ୯ը໘ػೳ͚ͩͰ݁ߏศར
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એ1
• େنͳΞϓϦͷϚϧνϞδϡʔϧߏͷ࣮ફ
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એ2
• After Party iOSDC Japan 2021
• https://cookpad.connpass.com/event/222056
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͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠