mirror of
https://github.com/RevenueCat/purchases-ios
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66 lines
1.6 KiB
Swift
66 lines
1.6 KiB
Swift
//
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// Copyright RevenueCat Inc. All Rights Reserved.
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//
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// Licensed under the MIT License (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://opensource.org/licenses/MIT
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//
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// MockFileHandler.swift
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//
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// Created by Nacho Soto on 9/5/23.
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import Combine
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import Foundation
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@testable import RevenueCat
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/// A `FileHandlerType` that stores its contents in memory
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actor MockFileHandler: FileHandlerType {
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private var file: String = ""
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@available(iOS 15.0, tvOS 15.0, macOS 12.0, watchOS 8.0, *)
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func readLines() throws -> AsyncLineSequence<FileHandle.AsyncBytes> {
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let pipe = Pipe()
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pipe.fileHandleForWriting.write(self.file.asData)
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return pipe
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.fileHandleForReading
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.bytes
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.lines
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}
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func append(line: String) {
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self.file.append(line)
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self.file.append(Self.separator)
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}
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func emptyFile() throws {
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self.file.removeAll(keepingCapacity: false)
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}
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func fileSizeInKB() async throws -> Double {
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return Double(self.file.count)
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}
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private var removeFirstLineError: Error?
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func setRemoveFirstLineError(_ error: Error) { self.removeFirstLineError = error }
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func removeFirstLines(_ count: Int) throws {
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if let removeFirstLineError {
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self.removeFirstLineError = nil
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throw removeFirstLineError
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}
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self.file = self.file
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.components(separatedBy: Self.separator)
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.dropFirst(count)
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.joined(separator: Self.separator)
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}
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private static let separator = "\n"
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}
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