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Link v3: Connect passthrough mode (#4219)
## Summary If passthrough mode is enabled, call the `/share` endpoint to get the passthrough PM, then confirm using that PM. ## Motivation Enable passthrough mode in native Link. ## Testing In PaymentSheet Example. ## Changelog None
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StripePaymentSheet/StripePaymentSheetTests/PaymentSheet/PaymentSheet+APIMockTest.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,284 @@ | ||
| // | ||
| // PaymentSheet+APIMockTest.swift | ||
| // StripePaymentSheet | ||
| // | ||
|
|
||
| import StripeCoreTestUtils | ||
| import XCTest | ||
|
|
||
| @testable@_spi(STP) import StripeCore | ||
| @testable@_spi(STP) import StripePayments | ||
| @testable@_spi(STP) import StripePaymentSheet | ||
| @testable@_spi(STP) import StripePaymentsTestUtils | ||
| @testable@_spi(STP) import StripeUICore | ||
|
|
||
| import OHHTTPStubs | ||
| import OHHTTPStubsSwift | ||
|
|
||
| final class PaymentSheetAPIMockTest: APIStubbedTestCase { | ||
| enum MockJson { | ||
| static let cardPaymentMethod = STPTestUtils.jsonNamed("CardPaymentMethod")! | ||
| static let paymentIntent = STPTestUtils.jsonNamed("PaymentIntent")! | ||
| static let setupIntent = STPTestUtils.jsonNamed("SetupIntent")! | ||
| } | ||
|
|
||
| enum MockParams { | ||
| static let paymentIntentClientSecret = "pi_xxx_secret_xxx" | ||
| static let setupIntentClientSecret = "seti_xxx_secret_xxx" | ||
| static let publicKey = "pk_xxx" | ||
|
|
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| static func configuration(pk: String) -> PaymentSheet.Configuration { | ||
| var config = PaymentSheet.Configuration() | ||
| config.apiClient = STPAPIClient(publishableKey: pk) | ||
| config.allowsDelayedPaymentMethods = true | ||
| config.shippingDetails = { | ||
| return .init( | ||
| address: .init( | ||
| country: "US", | ||
| line1: "Line 1" | ||
| ), | ||
| name: "Jane Doe", | ||
| phone: "5551234567" | ||
| ) | ||
| } | ||
| config.savePaymentMethodOptInBehavior = .requiresOptOut | ||
| return config | ||
| } | ||
|
|
||
| static func configurationWithCustomer(pk: String) -> PaymentSheet.Configuration { | ||
| var configuration = self.configuration(pk: pk) | ||
| configuration.customer = .init(id: "id", ephemeralKeySecret: "ek") | ||
| return configuration | ||
| } | ||
|
|
||
| static let paymentMethodCardParams: STPPaymentMethodCardParams = { | ||
| let cardParams = STPPaymentMethodCardParams() | ||
| cardParams.number = "4242424242424242" | ||
| cardParams.cvc = "123" | ||
| cardParams.expYear = 32 | ||
| cardParams.expMonth = 12 | ||
| return cardParams | ||
| }() | ||
|
|
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| static var intentConfirmParams: IntentConfirmParams { | ||
| .init( | ||
| params: .init( | ||
| card: paymentMethodCardParams, | ||
| billingDetails: .init(), | ||
| metadata: nil | ||
| ), | ||
| type: .stripe(.card) | ||
| ) | ||
| } | ||
|
|
||
| static var linkPaymentOption: PaymentSheet.PaymentOption { | ||
| let exampleBillingEmail = "[email protected]" | ||
| return .link(option: .withPaymentDetails( | ||
| account: .init( | ||
| email: exampleBillingEmail, | ||
| session: .init( | ||
| clientSecret: "cs_xxx", | ||
| emailAddress: exampleBillingEmail, | ||
| redactedPhoneNumber: "+1-555-xxx-xxxx", | ||
| verificationSessions: [.init(type: .sms, state: .verified)], | ||
| supportedPaymentDetailsTypes: [.card] | ||
| ), | ||
| publishableKey: "pk_xxx_for_link_account_xxx" | ||
| ), | ||
| paymentDetails: .init( | ||
| stripeID: "pd1", | ||
| details: .card(card: | ||
| .init(expiryYear: 2055, | ||
| expiryMonth: 12, | ||
| brand: "visa", | ||
| last4: "1234", | ||
| checks: nil) | ||
| ), | ||
| billingAddress: nil, | ||
| billingEmailAddress: exampleBillingEmail, | ||
| isDefault: true) | ||
| ) | ||
| ) | ||
| } | ||
|
|
||
| static let cardPaymentMethod = STPPaymentMethod.decodedObject(fromAPIResponse: MockJson.cardPaymentMethod)! | ||
|
|
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| static let paymentIntent = STPPaymentIntent.decodedObject(fromAPIResponse: MockJson.paymentIntent)! | ||
|
|
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| static let setupIntent = STPSetupIntent.decodedObject(fromAPIResponse: MockJson.setupIntent)! | ||
|
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| static func deferredPaymentIntentConfiguration(clientSecret: String) -> PaymentSheet.IntentConfiguration { | ||
| .init(mode: .payment(amount: 123, currency: "USD"), paymentMethodTypes: ["card"]) { _, _, c in c(.success(clientSecret)) } | ||
| } | ||
|
|
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| static func deferredSetupIntentConfiguration(clientSecret: String) -> PaymentSheet.IntentConfiguration { | ||
| .init(mode: .setup(currency: "USD", setupFutureUsage: .offSession), confirmHandler: { _, _, c in c(.success(clientSecret)) }) | ||
| } | ||
| } | ||
|
|
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| override func setUp() { | ||
| super.setUp() | ||
|
|
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| stub { urlRequest in | ||
| urlRequest.url?.absoluteString.contains("payment_methods") ?? false | ||
| } response: { _ in | ||
| return HTTPStubsResponse(jsonObject: MockJson.cardPaymentMethod, statusCode: 200, headers: nil) | ||
| } | ||
|
|
||
| stub { urlRequest in | ||
| guard let pathComponents = urlRequest.url?.pathComponents else { return false } | ||
| return pathComponents[2] == "payment_intents" && pathComponents.last != "confirm" | ||
| } response: { request in | ||
| var json = MockJson.paymentIntent | ||
|
|
||
| // Mock that the PI requires confirmation if it's being fetched for a deferred PI | ||
| if request.httpMethod == "GET" { | ||
| json["status"] = "requires_confirmation" | ||
| json["capture_method"] = "automatic" | ||
| } | ||
|
|
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| return HTTPStubsResponse(jsonObject: json, statusCode: 200, headers: nil) | ||
| } | ||
|
|
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| stub { urlRequest in | ||
| guard let pathComponents = urlRequest.url?.pathComponents else { return false } | ||
| return pathComponents[2] == "setup_intents" && pathComponents.last != "confirm" | ||
| } response: { request in | ||
| var json = MockJson.setupIntent | ||
| // Mock that the PI requires confirmation if it's being fetched for a deferred PI | ||
| if request.httpMethod == "GET" { | ||
| json["status"] = "requires_confirmation" | ||
| } | ||
|
|
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| return HTTPStubsResponse(jsonObject: json, statusCode: 200, headers: nil) | ||
| } | ||
| } | ||
|
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| func testPassthroughModeCallsSharePaymentDetails() { | ||
| stubConfirmPaymentExpecting(isPaymentIntent: true, paymentMethodId: MockParams.cardPaymentMethod.stripeId) | ||
| stubLinkShareExpecting(consumerSessionClientSecret: "cs_xxx", paymentMethodID: "pd1") | ||
| stubLinkLogout(consumerSessionClientSecret: "cs_xxx") | ||
|
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| let configuration = MockParams.configurationWithCustomer(pk: MockParams.publicKey) | ||
| let exp = expectation(description: "confirm completed") | ||
| let paymentHandler = STPPaymentHandler(apiClient: configuration.apiClient) | ||
| let elementsSession = STPElementsSession.linkPassthroughElementsSession | ||
| PaymentSheet.confirm( | ||
| configuration: configuration, | ||
| authenticationContext: self, | ||
| intent: .deferredIntent(intentConfig: MockParams.deferredPaymentIntentConfiguration(clientSecret: MockParams.paymentIntentClientSecret)), | ||
| elementsSession: elementsSession, | ||
| paymentOption: .link(option: .withPaymentDetails(account: .init(email: "[email protected]", session: .init(clientSecret: "cs_xxx", emailAddress: "[email protected]", redactedPhoneNumber: "+1-555-xxx-xxxx", verificationSessions: [.init(type: .sms, state: .verified)], supportedPaymentDetailsTypes: [.card]), publishableKey: MockParams.publicKey), paymentDetails: .init(stripeID: "pd1", details: .card(card: .init(expiryYear: 2055, expiryMonth: 12, brand: "visa", last4: "1234", checks: nil)), billingAddress: nil, billingEmailAddress: nil, isDefault: true))), | ||
| paymentHandler: paymentHandler, | ||
| analyticsHelper: ._testValue(), | ||
| completion: { _, _ in | ||
| exp.fulfill() | ||
| } | ||
| ) | ||
|
|
||
| waitForExpectations(timeout: 10) | ||
| } | ||
| } | ||
|
|
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| extension PaymentSheetAPIMockTest: STPAuthenticationContext { | ||
| func authenticationPresentingViewController() -> UIViewController { | ||
| return UIViewController() | ||
| } | ||
| } | ||
|
|
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| // MARK: - Helpers | ||
|
|
||
| private extension PaymentSheetAPIMockTest { | ||
| func stubConfirmPaymentExpecting( | ||
| isPaymentIntent: Bool, | ||
| paymentMethodId: String, | ||
| setupFutureUsage: String? = nil, | ||
| line: UInt = #line | ||
| ) { | ||
| let exp = expectation(description: "confirm payment requested") | ||
|
|
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| stub { urlRequest in | ||
| guard let pathComponents = urlRequest.url?.pathComponents else { return false } | ||
| return pathComponents.last == "confirm" | ||
| } response: { [self] request in | ||
| let params = bodyParams(from: request, line: line) | ||
|
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| assertParam(params, named: "payment_method_data[type]", is: nil, line: line) | ||
| assertParam(params, named: "payment_method_data[card][number]", is: nil, line: line) | ||
| assertParam(params, named: "payment_method", is: paymentMethodId, line: line) | ||
|
|
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| // Payment Method Options | ||
| assertParam(params, named: "payment_method_options[card][setup_future_usage]", is: setupFutureUsage, line: line) | ||
|
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| defer { exp.fulfill() } | ||
| var json = isPaymentIntent ? MockJson.paymentIntent : MockJson.setupIntent | ||
| json["status"] = "succeeded" | ||
|
|
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| return HTTPStubsResponse(jsonObject: json, statusCode: 200, headers: nil) | ||
| } | ||
| } | ||
|
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| func stubLinkShareExpecting( | ||
| consumerSessionClientSecret: String, | ||
| paymentMethodID: String, | ||
| line: UInt = #line | ||
| ) { | ||
| let exp = expectation(description: "share payment method requested") | ||
|
|
||
| stub { urlRequest in | ||
| guard let pathComponents = urlRequest.url?.pathComponents else { return false } | ||
| return pathComponents.last == "share" | ||
| } response: { [self] request in | ||
| let params = bodyParams(from: request, line: line) | ||
|
|
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| assertParam(params, named: "credentials[consumer_session_client_secret]", is: consumerSessionClientSecret, line: line) | ||
| assertParam(params, named: "request_surface", is: "ios_payment_element", line: line) | ||
| assertParam(params, named: "expand[0]", is: "payment_method", line: line) | ||
| assertParam(params, named: "id", is: paymentMethodID, line: line) | ||
|
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| defer { exp.fulfill() } | ||
| let json = ["payment_method": MockJson.cardPaymentMethod] | ||
|
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| return HTTPStubsResponse(jsonObject: json, statusCode: 200, headers: nil) | ||
| } | ||
| } | ||
|
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| func stubLinkLogout( | ||
| consumerSessionClientSecret: String, | ||
| line: UInt = #line | ||
| ) { | ||
| let exp = expectation(description: "Link logout") | ||
|
|
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| stub { urlRequest in | ||
| guard let pathComponents = urlRequest.url?.pathComponents else { return false } | ||
| return pathComponents.last == "log_out" | ||
| } response: { [self] request in | ||
| let params = bodyParams(from: request, line: line) | ||
|
|
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| assertParam(params, named: "credentials[consumer_session_client_secret]", is: consumerSessionClientSecret, line: line) | ||
| assertParam(params, named: "request_surface", is: "ios_payment_element", line: line) | ||
|
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| defer { exp.fulfill() } | ||
|
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| return HTTPStubsResponse(jsonObject: [], statusCode: 200, headers: nil) | ||
| } | ||
| } | ||
|
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| func assertParam(_ params: [String: String], named name: String, is value: String?, line: UInt) { | ||
| XCTAssertEqual(params[name], value, name, line: line) | ||
| } | ||
|
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| func bodyParams(from request: URLRequest, line: UInt) -> [String: String] { | ||
| guard let httpBody = request.httpBodyOrBodyStream, | ||
| let query = String(decoding: httpBody, as: UTF8.self).addingPercentEncoding(withAllowedCharacters: .urlPathAllowed), | ||
| let components = URLComponents(string: "http://someurl.com?\(query)") else { | ||
| XCTFail("Request body empty", line: line) | ||
| return [:] | ||
| } | ||
|
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| return components.queryItems?.reduce(into: [:], { partialResult, item in | ||
| guard item.value != "" else { return } | ||
| partialResult[item.name] = item.value?.removingPercentEncoding | ||
| }) ?? [:] | ||
| } | ||
| } |