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Add ProductsInfoControllerTests, better dependency injection for Prod…
…uctsInfoController
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| // | ||
| // ProductsInfoControllerTests.swift | ||
| // SwiftyStoreKit | ||
| // | ||
| // Copyright (c) 2017 Andrea Bizzotto ([email protected]) | ||
| // | ||
| // Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| // of this software and associated documentation files (the "Software"), to deal | ||
| // in the Software without restriction, including without limitation the rights | ||
| // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| // copies of the Software, and to permit persons to whom the Software is | ||
| // furnished to do so, subject to the following conditions: | ||
| // | ||
| // The above copyright notice and this permission notice shall be included in | ||
| // all copies or substantial portions of the Software. | ||
| // | ||
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
| // THE SOFTWARE. | ||
|
|
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| import XCTest | ||
| @testable import SwiftyStoreKit | ||
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| class TestInAppProductRequest: InAppProductRequest { | ||
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| private let productIds: Set<String> | ||
| private let callback: InAppProductRequestCallback | ||
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| init(productIds: Set<String>, callback: @escaping InAppProductRequestCallback) { | ||
| self.productIds = productIds | ||
| self.callback = callback | ||
| } | ||
|
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| func start() { | ||
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| } | ||
| func cancel() { | ||
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| } | ||
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| func fireCallback() { | ||
| callback(RetrieveResults(retrievedProducts: [], invalidProductIDs: [], error: nil)) | ||
| } | ||
| } | ||
|
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| class TestInAppProductRequestBuilder: InAppProductRequestBuilder { | ||
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| var requests: [ TestInAppProductRequest ] = [] | ||
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| func request(productIds: Set<String>, callback: @escaping InAppProductRequestCallback) -> InAppProductRequest { | ||
| let request = TestInAppProductRequest(productIds: productIds, callback: callback) | ||
| requests.append(request) | ||
| return request | ||
| } | ||
|
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| func fireCallbacks() { | ||
| requests.forEach { | ||
| $0.fireCallback() | ||
| } | ||
| requests = [] | ||
| } | ||
| } | ||
|
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| class ProductsInfoControllerTests: XCTestCase { | ||
|
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| let sampleProductIdentifiers: Set<String> = ["com.iap.purchase1"] | ||
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| func testRetrieveProductsInfo_when_calledOnce_then_completionCalledOnce() { | ||
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| let requestBuilder = TestInAppProductRequestBuilder() | ||
| let productInfoController = ProductsInfoController(inAppProductRequestBuilder: requestBuilder) | ||
|
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| var completionCount = 0 | ||
| productInfoController.retrieveProductsInfo(sampleProductIdentifiers) { _ in | ||
| completionCount += 1 | ||
| } | ||
| requestBuilder.fireCallbacks() | ||
|
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| XCTAssertEqual(completionCount, 1) | ||
| } | ||
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| func testRetrieveProductsInfo_when_calledTwiceConcurrently_then_eachCompletionCalledOnce() { | ||
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| let requestBuilder = TestInAppProductRequestBuilder() | ||
| let productInfoController = ProductsInfoController(inAppProductRequestBuilder: requestBuilder) | ||
|
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| var completionCount = 0 | ||
| productInfoController.retrieveProductsInfo(sampleProductIdentifiers) { _ in | ||
| completionCount += 1 | ||
| } | ||
| productInfoController.retrieveProductsInfo(sampleProductIdentifiers) { _ in | ||
| completionCount += 1 | ||
| } | ||
| requestBuilder.fireCallbacks() | ||
|
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| XCTAssertEqual(completionCount, 2) | ||
| } | ||
| func testRetrieveProductsInfo_when_calledTwiceNotConcurrently_then_eachCompletionCalledOnce() { | ||
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| let requestBuilder = TestInAppProductRequestBuilder() | ||
| let productInfoController = ProductsInfoController(inAppProductRequestBuilder: requestBuilder) | ||
|
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| var completionCount = 0 | ||
| productInfoController.retrieveProductsInfo(sampleProductIdentifiers) { _ in | ||
| completionCount += 1 | ||
| } | ||
| requestBuilder.fireCallbacks() | ||
| XCTAssertEqual(completionCount, 1) | ||
|
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| productInfoController.retrieveProductsInfo(sampleProductIdentifiers) { _ in | ||
| completionCount += 1 | ||
| } | ||
| requestBuilder.fireCallbacks() | ||
| XCTAssertEqual(completionCount, 2) | ||
| } | ||
| } |