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

by Yusuke Hosonuma

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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

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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) } } } }

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ModelΫϥε 19 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) } } } } BQJ

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ModelΫϥε 20 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) } } } } "MBNPpSF

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ModelΫϥε 21 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) } } } } $BMMCBDL

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ModelΫϥε 22 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) } } } } $BMMCBDL ͪͳΈʹRVJDLUZQFJPͰίʔυੜ੒

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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))

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GET /api ʹରͯ͠ɺJSONΛฦ͢ 24 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)) Ϩεϙϯεσʔλ

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GET /api ʹରͯ͠ɺJSONΛฦ͢ 25 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)) ॲཧ͢ΔύεΛఆٛ

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GET /api ʹରͯ͠ɺJSONΛฦ͢ 26 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)) Ϩεϙϯεఆٛ

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࣮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)

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࣮ࡍͷςετίʔυ 28 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) )5514UVCઃఆ

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࣮ࡍͷςετίʔυ 29 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) .PEFMͷςετ

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࣮ࡍͷςετίʔυ 30 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) ඇಉظॲཧΛ଴ͭ

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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) }

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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

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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

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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)

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Stub ݺͼग़͠Λอূ͢Δ 40 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) 9$5FTU&YQFDUBUJPOΛੜ੒

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Stub ݺͼग़͠Λอূ͢Δ 41 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) 4UVC͕ݺͼग़͞ΕͨΒGVMMpMM

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Stub ݺͼग़͠Λอূ͢Δ 42 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) GVMMpMM͞Εͯͳ͚Ε͹ λΠϜΞ΢τͰࣦഊ

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Stub ݺͼग़͠Λอূ͢Δ 43 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) • TUVC͕ݺͼग़͞Εͳ͍৔߹͸Τϥʔʹʂ • Ͱ΋ɺ৑௕ͳίʔυ͕ଟ͍ʁˠ͜Ε͸࣍Ͱʂ

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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 }

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stubHttp ϝιουͷ֦ு 49 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 } ಺෦Ͱ&YQFDUBUJPOΛੜ੒

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stubHttp ϝιουͷ֦ு 50 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 } TUVC͕ݺͼग़͞ΕͨΒGVMMpMM

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stubHttp ϝιουͷ֦ு 51 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 } &YQFDUBUJPOΛSFUVSOͰฦ͢

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਌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) } }

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਌ͷςετΫϥεΛ࡞੒ 53 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) } } 9$5FTU&YQFDUBUJPOͷ഑ྻΛ༻ҙ

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਌ͷςετΫϥεΛ࡞੒ 54 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) } } Ҿ਺ʹ౉͞Εͨ&YQFDUBUJPOΛ௥Ճ

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਌ͷςετΫϥεΛ࡞੒ 55 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) } } ௥Ճ͞Εͨ&YQFDUBUJPOΛXBJU

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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()

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શମ 57 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() ฦ٫͞Εͨ&YQFDUBUJPO͕Ҿ਺ʹ౉Δ

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શମ 58 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() ௥Ճ͞Εͨ&YQFDUBUJPOΛXBJU

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શମ 59 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()