HTTPモックライブラリ「Mockingjay」を使ってみた話/swift-mockingjay

Copyright (C) DeNA Co.,Ltd. All Rights Reserved. iOS Test Night
#8 2018/07/24 (Tue)   ࡉপ ༞հ@DeNA )5514UVCϥΠϒϥϦ ʮ.PDLJOHKBZʯΛ࢖ͬͯΈͨ࿩ 1

˙:VTVLF)PTPOVNBʢ!UPCJʣ • ॴଐ ⁃ %F/"ɹ48&5άϧʔϓɹςετج൫νʔϜ • 'BWPSJUF ⁃ •
ۙگ ⁃ ,VCFSOFUFT(,&ָ͕͍͠ʂ ⁃ J04%$ͰϨΪϡϥʔτʔΫʢ෼ʣʹ࠾୒ ࣗݾ঺հ Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 2

)5514UVCϥΠϒϥϦ ʮ.PDLJOHKBZʯ ͷ঺հɾ޻෉ͨ͠ͱ͜Ζ 4 Copyright (C) DeNA Co.,Ltd. All Rights
Reserved.

ΞδΣϯμ 5 Copyright (C) DeNA Co.,Ltd. All Rights Reserved. •
)5514UVCͱ͸ʁ • ࠓճͷར༻έʔε • .PDLJOHKBZͱ͸ʁ • ޻෉ͨ͠ͱ͜Ζ • ·ͱΊ

HTTP Stub ͱ͸ʁ 7 Copyright (C) DeNA Co.,Ltd. All Rights
Reserved. • )551ϦΫΤετ௨৴ʹର͢Δ4UVCʢِ෺ʣ • ϦΫΤετʹରͯ͠ɺ೚ҙͷϨεϙϯεΛฦ͢ • ֎෦αʔόʹґଘ͠ͳ͍ςετ͕ॻ͚Δ

HTTP௨৴ 8 Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ΞϓϦ
αʔό (&5BQJBSUJDMF 0,

HTTP௨৴ 9 Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ΞϓϦ
αʔό (&5BQJBSUJDMF 0, ʲ՝୊ʳ Τϥʔ͕ฦ٫͞Εͨ৔߹ͷ ςετ͸Ͳ͏΍Δʁ

HTTP௨৴ϨϕϧͷςετΛͲ͏͢Δʁ 10 Copyright (C) DeNA Co.,Ltd. All Rights Reserved. •
΍Βͳ͍ • ௨৴༻.PEFMΫϥεͷ4UVCͰΧόʔ • &&ςετͰΧόʔ • ΍Δ • αʔόଆͷઃఆΛҰ࣌తʹมߋ • )5514UVC

HTTP௨৴ϨϕϧͷςετΛͲ͏͢Δʁ 11 Copyright (C) DeNA Co.,Ltd. All Rights Reserved. •
΍Βͳ͍ • ௨৴༻.PEFMΫϥεͷ4UVCͰΧόʔ • &&ςετͰΧόʔ • ΍Δ • αʔόଆͷઃఆΛҰ࣌తʹมߋ • )5514UVC ࠓճͷબ୒

HTTP Stub 12 Copyright (C) DeNA Co.,Ltd. All Rights Reserved.
ΞϓϦ αʔό (&5BQJBSUJDMF /05@'06/% )5514UVC αʔόͱͷؒʹೖͬͯɺ ೚ҙͷϨεϙϯεΛฦ͢ʂ

ࠓճͷར༻έʔε 14 Copyright (C) DeNA Co.,Ltd. All Rights Reserved. Client
αʔό 4XJGU1. αʔόͱԿ౓΋௨৴͢Δ ઃఆ஋ʹج͍ͮͯ$-*Λ࣮ߦͯ͠ɺ ҙਤͨ͠௨৴͕ߦΘΕΔ͔Λݕূ͍ͨ͠ʜ $-*πʔϧ

)5514UVC ࠓճͷར༻έʔε 15 Copyright (C) DeNA Co.,Ltd. All Rights Reserved.
Client αʔό 4XJGU1. )5514UVCϥΠϒϥϦΛ࢖ͬͯɺ ΠϯςάϨʔγϣϯʢ݁߹ʣςετ .PDLJOHKBZΛ࢖ͬͯΈͨ

Mockingjayͱ͸ʁ 17 Copyright (C) DeNA Co.,Ltd. All Rights Reserved. •
)5514UVCϥΠϒϥϦ • 4XJGU • ϦΫΤετఆٛʢ.BUDIFSʣ • Ϩεϙϯεੜ੒ʢ#VJMEFSʣ • 63-4FTTJPO • $POpHVSBUJPOΛࠩ͠ସ͑ • 63-4FTTJPOҎ֎ͷ௨৴ʹ͸ར༻Ͱ͖ͳ͍ IUUQTHJUIVCDPNLZMFG.PDLJOHKBZ .FUIPE4XJ[[MJOH

ModelΫϥε 18 Copyright (C) DeNA Co.,Ltd. All Rights Reserved. let
url = "http://example.com/api" struct ProposalRepository { func all(_ handler: @escaping ([ProposalElement]) -> Void) { Alamofire.request(url).responseProposal { response in if let proposals = response.result.value { handler(proposals) } } } }

url = "http://example.com/api" struct ProposalRepository { func all(_ handler: @escaping ([ProposalElement]) -> Void) { Alamofire.request(url).responseProposal { response in if let proposals = response.result.value { handler(proposals) } } } } BQJ

url = "http://example.com/api" struct ProposalRepository { func all(_ handler: @escaping ([ProposalElement]) -> Void) { Alamofire.request(url).responseProposal { response in if let proposals = response.result.value { handler(proposals) } } } } "MBNPpSF

url = "http://example.com/api" struct ProposalRepository { func all(_ handler: @escaping ([ProposalElement]) -> Void) { Alamofire.request(url).responseProposal { response in if let proposals = response.result.value { handler(proposals) } } } } $BMMCBDL

url = "http://example.com/api" struct ProposalRepository { func all(_ handler: @escaping ([ProposalElement]) -> Void) { Alamofire.request(url).responseProposal { response in if let proposals = response.result.value { handler(proposals) } } } } $BMMCBDL ͪͳΈʹRVJDLUZQFJPͰίʔυੜ੒

GET /api ʹରͯ͠ɺJSONΛฦ͢ 23 Copyright (C) DeNA Co.,Ltd. All Rights
Reserved. let data: [[String: String]] = [ [ "title": "λΠτϧ1", "user": "Ϣʔβ໊", ], [ "title": "λΠτϧ2", "user": "Ϣʔβ໊", ], ] stub(http(.get, uri: "/api"), json(data))

Reserved. let data: [[String: String]] = [ [ "title": "λΠτϧ1", "user": "Ϣʔβ໊", ], [ "title": "λΠτϧ2", "user": "Ϣʔβ໊", ], ] stub(http(.get, uri: "/api"), json(data)) Ϩεϙϯεσʔλ

Reserved. let data: [[String: String]] = [ [ "title": "λΠτϧ1", "user": "Ϣʔβ໊", ], [ "title": "λΠτϧ2", "user": "Ϣʔβ໊", ], ] stub(http(.get, uri: "/api"), json(data)) ॲཧ͢ΔύεΛఆٛ

Reserved. let data: [[String: String]] = [ [ "title": "λΠτϧ1", "user": "Ϣʔβ໊", ], [ "title": "λΠτϧ2", "user": "Ϣʔβ໊", ], ] stub(http(.get, uri: "/api"), json(data)) Ϩεϙϯεఆٛ

࣮ࡍͷςετίʔυ 27 Copyright (C) DeNA Co.,Ltd. All Rights Reserved. let
data: [[String: String]] = [ [ "title": "λΠτϧ1", "user": "Ϣʔβ໊" ], [ "title": "λΠτϧ2", "user": "Ϣʔβ໊" ], ] stub(http(.get, uri: "/api"), json(data)) let exp = expectation(description: "") repository.all { proposals in XCTAssertEqual(2, proposals.count) XCTAssertEqual("λΠτϧ1", proposals.first?.title) XCTAssertEqual("Ϣʔβ໊", proposals.first?.user) exp.fulfill() } wait(for: [exp], timeout: 3)

data: [[String: String]] = [ [ "title": "λΠτϧ1", "user": "Ϣʔβ໊" ], [ "title": "λΠτϧ2", "user": "Ϣʔβ໊" ], ] stub(http(.get, uri: "/api"), json(data)) let exp = expectation(description: "") repository.all { proposals in XCTAssertEqual(2, proposals.count) XCTAssertEqual("λΠτϧ1", proposals.first?.title) XCTAssertEqual("Ϣʔβ໊", proposals.first?.user) exp.fulfill() } wait(for: [exp], timeout: 3) )5514UVCઃఆ

data: [[String: String]] = [ [ "title": "λΠτϧ1", "user": "Ϣʔβ໊" ], [ "title": "λΠτϧ2", "user": "Ϣʔβ໊" ], ] stub(http(.get, uri: "/api"), json(data)) let exp = expectation(description: "") repository.all { proposals in XCTAssertEqual(2, proposals.count) XCTAssertEqual("λΠτϧ1", proposals.first?.title) XCTAssertEqual("Ϣʔβ໊", proposals.first?.user) exp.fulfill() } wait(for: [exp], timeout: 3) .PEFMͷςετ

data: [[String: String]] = [ [ "title": "λΠτϧ1", "user": "Ϣʔβ໊" ], [ "title": "λΠτϧ2", "user": "Ϣʔβ໊" ], ] stub(http(.get, uri: "/api"), json(data)) let exp = expectation(description: "") repository.all { proposals in XCTAssertEqual(2, proposals.count) XCTAssertEqual("λΠτϧ1", proposals.first?.title) XCTAssertEqual("Ϣʔβ໊", proposals.first?.user) exp.fulfill() } wait(for: [exp], timeout: 3) ඇಉظॲཧΛ଴ͭ

Mockingjay API 33 Copyright (C) DeNA Co.,Ltd. All Rights Reserved.
stub(http(.get, uri: "/api")) { request in let data: [[String: String]] = [ [ "title": "λΠτϧ1", "user": "Ϣʔβ໊" ], [ "title": "λΠτϧ2", "user": "Ϣʔβ໊" ], ] return jsonBody(data)(request) }

Mockingjay API 34 Copyright (C) DeNA Co.,Ltd. All Rights Reserved.
stub(http(.get, uri: "/api")) { request in let data: [[String: String]] = [ [ "title": "λΠτϧ1", "user": "Ϣʔβ໊" ], [ "title": "λΠτϧ2", "user": "Ϣʔβ໊" ], ] return jsonBody(data)(request) } ͕ଟͯ͘গ͠ಡΈͮΒ͍ʜ • ϊΠζײ͕͋Δ • .BUDIFS"1*͸ίʔυิ׬ͮ͠Β͍

ϥούʔAPI Λॻ͍ͯΈΔ 35 Copyright (C) DeNA Co.,Ltd. All Rights Reserved.
func stubHttp(_ method: HTTPMethod, _ path: String, _ builder: @escaping Builder) { stub(http(method, uri: path)) { request in builder(request) } } ຊ౰ʹϥοϓ͚ͨͩ͠

Before / After 36 Copyright (C) DeNA Co.,Ltd. All Rights
Reserved. // // Before: // stub(http(.get, uri: "/api") { } // // After // stubHttp(.get, "/api") { } • ࢹೝੑ͕Α͘ͳͬͨʂ • ֮͑Δ͜ͱ΋গͳ͘ɺิ׬΋͠΍͍͢ʂ

ૺ۰ͨ͠ࣄ৅ 38 Copyright (C) DeNA Co.,Ltd. All Rights Reserved.
TUVCΛઃఆ ςετΛॻ͘ ੒ޭͯ͠ظ଴Ͳ͓Γಈ͍ͯΔͱࢥͬͨ ࣮ࡍʹ͸63-ͷύε͕ҟͳ͓ͬͯΓ  ݺ͹Ε͍ͯͳ͔ͬͨPS[ ͜͏͍ͬͨϛεΛແ͍ͨ͘͠ɾɾɾ

Stub ݺͼग़͠Λอূ͢Δ 39 Copyright (C) DeNA Co.,Ltd. All Rights Reserved.
let exp = expectation(description: “/api") stubHttp(.get, "/api") { request in exp.fulfill() let data: [[String: String]] = [] return jsonBody(data)(request) } wait(for: [exp], timeout: 3)

let exp = expectation(description: “/api") stubHttp(.get, "/api") { request in exp.fulfill() let data: [[String: String]] = [] return jsonBody(data)(request) } wait(for: [exp], timeout: 3) 9$5FTU&YQFDUBUJPOΛੜ੒

let exp = expectation(description: “/api") stubHttp(.get, "/api") { request in exp.fulfill() let data: [[String: String]] = [] return jsonBody(data)(request) } wait(for: [exp], timeout: 3) 4UVC͕ݺͼग़͞ΕͨΒGVMMpMM

let exp = expectation(description: “/api") stubHttp(.get, "/api") { request in exp.fulfill() let data: [[String: String]] = [] return jsonBody(data)(request) } wait(for: [exp], timeout: 3) GVMMpMM͞Εͯͳ͚Ε͹ λΠϜΞ΢τͰࣦഊ

let exp = expectation(description: “/api") stubHttp(.get, "/api") { request in exp.fulfill() let data: [[String: String]] = [] return jsonBody(data)(request) } wait(for: [exp], timeout: 3) • TUVC͕ݺͼग़͞Εͳ͍৔߹͸Τϥʔʹʂ • Ͱ΋ɺ৑௕ͳίʔυ͕ଟ͍ʁˠ͜Ε͸࣍Ͱʂ

ݱঢ়ͷ՝୊ 45 Copyright (C) DeNA Co.,Ltd. All Rights Reserved. •
TUVC͕ݺͼग़͞ΕΔ͜ͱΛอূͰ͖ͨ • ຖճ͜ΕΛॻ͘ͷ͸໘౗ • ຊ࣭తͰͳ͍ίʔυ͕ଟ͘ͳΔ໰୊΋

ݱঢ়ͷ՝୊ 46 Copyright (C) DeNA Co.,Ltd. All Rights Reserved. •
TUVC͕ݺͼग़͞ΕΔ͜ͱΛอূͰ͖ͨ • ຖճ͜ΕΛॻ͘ͷ͸໘౗ • ຊ࣭తͰͳ͍ίʔυ͕ଟ͘ͳΔ໰୊΋ ΋ͬͱָΛ͍ͨ͠ʂ

stubHttp ϝιουͷ֦ு 48 Copyright (C) DeNA Co.,Ltd. All Rights Reserved.
func stubHttp(_ method: HTTPMethod, _ path: String, _ builder: @escaping Builder) -> XCTestExpectation { let exp = expectation(description: "request \(method): \(path)") stub(http(method, uri: path)) { request in exp.fulfill() return builder(request) } return exp }

func stubHttp(_ method: HTTPMethod, _ path: String, _ builder: @escaping Builder) -> XCTestExpectation { let exp = expectation(description: "request \(method): \(path)") stub(http(method, uri: path)) { request in exp.fulfill() return builder(request) } return exp } ಺෦Ͱ&YQFDUBUJPOΛੜ੒

func stubHttp(_ method: HTTPMethod, _ path: String, _ builder: @escaping Builder) -> XCTestExpectation { let exp = expectation(description: "request \(method): \(path)") stub(http(method, uri: path)) { request in exp.fulfill() return builder(request) } return exp } TUVC͕ݺͼग़͞ΕͨΒGVMMpMM

func stubHttp(_ method: HTTPMethod, _ path: String, _ builder: @escaping Builder) -> XCTestExpectation { let exp = expectation(description: "request \(method): \(path)") stub(http(method, uri: path)) { request in exp.fulfill() return builder(request) } return exp } &YQFDUBUJPOΛSFUVSOͰฦ͢

਌ͷςετΫϥεΛ࡞੒ 52 Copyright (C) DeNA Co.,Ltd. All Rights Reserved. class
HttpTestCase: XCTestCase { private var stubHttpCallExpectations: [XCTestExpectation]! } extension HttpTestCase { func expectCall(_ exp: XCTestExpectation) { stubHttpCallExpectations.append(exp) } func waitCallExpectation() { wait(for: stubHttpCallExpectations, timeout: 3) } }

HttpTestCase: XCTestCase { private var stubHttpCallExpectations: [XCTestExpectation]! } extension HttpTestCase { func expectCall(_ exp: XCTestExpectation) { stubHttpCallExpectations.append(exp) } func waitCallExpectation() { wait(for: stubHttpCallExpectations, timeout: 3) } } 9$5FTU&YQFDUBUJPOͷ഑ྻΛ༻ҙ

HttpTestCase: XCTestCase { private var stubHttpCallExpectations: [XCTestExpectation]! } extension HttpTestCase { func expectCall(_ exp: XCTestExpectation) { stubHttpCallExpectations.append(exp) } func waitCallExpectation() { wait(for: stubHttpCallExpectations, timeout: 3) } } Ҿ਺ʹ౉͞Εͨ&YQFDUBUJPOΛ௥Ճ

HttpTestCase: XCTestCase { private var stubHttpCallExpectations: [XCTestExpectation]! } extension HttpTestCase { func expectCall(_ exp: XCTestExpectation) { stubHttpCallExpectations.append(exp) } func waitCallExpectation() { wait(for: stubHttpCallExpectations, timeout: 3) } } ௥Ճ͞Εͨ&YQFDUBUJPOΛXBJU

શମ 56 Copyright (C) DeNA Co.,Ltd. All Rights Reserved. class
HttpTestCase: XCTestCase { private var stubHttpCallExpectations: [XCTestExpectation]! } extension HttpTestCase { func expectCall(_ exp: XCTestExpectation) { stubHttpCallExpectations.append(exp) } func waitCallExpectation() { wait(for: stubHttpCallExpectations, timeout: 3) } } // ςετίʔυ expectCall( stubHttp(.get, “/api/v1“) { request in ... } ) waitCallExpectation()

HttpTestCase: XCTestCase { private var stubHttpCallExpectations: [XCTestExpectation]! } extension HttpTestCase { func expectCall(_ exp: XCTestExpectation) { stubHttpCallExpectations.append(exp) } func waitCallExpectation() { wait(for: stubHttpCallExpectations, timeout: 3) } } // ςετίʔυ expectCall( stubHttp(.get, “/api/v1“) { request in ... } ) waitCallExpectation() ฦ٫͞Εͨ&YQFDUBUJPO͕Ҿ਺ʹ౉Δ

HttpTestCase: XCTestCase { private var stubHttpCallExpectations: [XCTestExpectation]! } extension HttpTestCase { func expectCall(_ exp: XCTestExpectation) { stubHttpCallExpectations.append(exp) } func waitCallExpectation() { wait(for: stubHttpCallExpectations, timeout: 3) } } // ςετίʔυ expectCall( stubHttp(.get, “/api/v1“) { request in ... } ) waitCallExpectation() ௥Ճ͞Εͨ&YQFDUBUJPOΛXBJU

HttpTestCase: XCTestCase { private var stubHttpCallExpectations: [XCTestExpectation]! } extension HttpTestCase { func expectCall(_ exp: XCTestExpectation) { stubHttpCallExpectations.append(exp) } func waitCallExpectation() { wait(for: stubHttpCallExpectations, timeout: 3) } } // ςετίʔυ expectCall( stubHttp(.get, “/api/v1“) { request in ... } ) waitCallExpectation()

HTTPモックライブラリ「Mockingjay」を使ってみた話/swift-mockingjay

HTTPモックライブラリ「Mockingjay」を使ってみた話/swift-mockingjay

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