106 lines
5.0 KiB
Swift
106 lines
5.0 KiB
Swift
// This is free software: you can redistribute and/or modify it
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// under the terms of the GNU General Public License 3.0
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// as published by the Free Software Foundation https://fsf.org
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//
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// SatsViewModelTests.swift
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// SatsPriceTests
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//
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// Created by Terry Yiu on 2/19/24.
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//
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import Foundation
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import XCTest
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@testable import SatsPrice
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final class SatsViewModelTests: XCTestCase {
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let currency = Locale.Currency("USD")
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func testSatsViewModel() throws {
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let satsPriceModel = try XCTUnwrap(SatsPriceModel(url: nil))
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let satsViewModel = SatsViewModel(model: satsPriceModel)
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satsViewModel.btcToCurrencyString(for: currency).wrappedValue = "54321"
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// Test BTC updates.
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satsViewModel.btcString = "1"
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#if !SKIP
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XCTAssertEqual(satsViewModel.btc, Decimal(string: "1"))
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XCTAssertEqual(satsViewModel.sats, Decimal(string: "100000000"))
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XCTAssertEqual(satsViewModel.currencyValue(for: currency), Decimal(string: "54321"))
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#else
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XCTAssertEqual(satsViewModel.btc, Decimal("1"))
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XCTAssertEqual(satsViewModel.sats, Decimal("100000000"))
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XCTAssertEqual(satsViewModel.currencyValue(for: currency), Decimal("54321"))
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#endif
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XCTAssertEqual(satsViewModel.btcString, "1")
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XCTAssertEqual(satsViewModel.satsString, "100,000,000")
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XCTAssertEqual(satsViewModel.currencyValueString(for: currency).wrappedValue, "54,321.00")
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// Test Sats updates.
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satsViewModel.satsString = "200000000"
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#if !SKIP
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XCTAssertEqual(satsViewModel.btc, Decimal(string: "2"))
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XCTAssertEqual(satsViewModel.sats, Decimal(string: "200000000"))
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XCTAssertEqual(satsViewModel.currencyValue(for: currency), Decimal(string: "108642"))
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#else
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XCTAssertEqual(satsViewModel.btc, Decimal("2"))
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XCTAssertEqual(satsViewModel.sats, Decimal("200000000"))
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XCTAssertEqual(satsViewModel.currencyValue(for: currency), Decimal("108642"))
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#endif
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XCTAssertEqual(satsViewModel.btcString, "2")
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XCTAssertEqual(satsViewModel.satsString, "200,000,000")
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XCTAssertEqual(satsViewModel.currencyValueString(for: currency).wrappedValue, "108,642.00")
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// Test currency value updates.
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satsViewModel.currencyValueString(for: currency).wrappedValue = "162963"
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#if !SKIP
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XCTAssertEqual(satsViewModel.btc, Decimal(string: "3"))
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XCTAssertEqual(satsViewModel.sats, Decimal(string: "300000000"))
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XCTAssertEqual(satsViewModel.currencyValue(for: currency), Decimal(string: "162963"))
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#else
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XCTAssertEqual(satsViewModel.btc, Decimal("3"))
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XCTAssertEqual(satsViewModel.sats, Decimal("300000000"))
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XCTAssertEqual(satsViewModel.currencyValue(for: currency), Decimal("162963"))
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#endif
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XCTAssertEqual(satsViewModel.btcString, "3")
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XCTAssertEqual(satsViewModel.satsString, "300,000,000")
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XCTAssertEqual(satsViewModel.currencyValueString(for: currency).wrappedValue, "162,963.00")
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// Test fractional amounts.
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// Precision between platforms on this calculation is different so we have different assertions for each.
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satsViewModel.currencyValueString(for: currency).wrappedValue = "1"
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#if !SKIP
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XCTAssertEqual(satsViewModel.btc, Decimal(string: "0.00001841"))
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XCTAssertEqual(satsViewModel.btcString, "0.00001841")
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XCTAssertEqual(satsViewModel.sats, Decimal(string: "1841"))
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XCTAssertEqual(satsViewModel.satsString, "1,841")
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XCTAssertEqual(satsViewModel.currencyValue(for: currency), Decimal(string: "1"))
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#else
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XCTAssertEqual(satsViewModel.btc, Decimal("0.00001841"))
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XCTAssertEqual(satsViewModel.btcString, "0.00001841")
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XCTAssertEqual(satsViewModel.sats, Decimal("1841"))
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XCTAssertEqual(satsViewModel.satsString, "1,841")
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XCTAssertEqual(satsViewModel.currencyValue(for: currency), Decimal("1"))
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#endif
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XCTAssertEqual(satsViewModel.currencyValueString(for: currency).wrappedValue, "1.00")
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// Test large amounts that exceed the cap of 21M BTC.
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satsViewModel.currencyValueString(for: currency).wrappedValue = "11407419999999"
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#if !SKIP
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XCTAssertEqual(satsViewModel.btc, Decimal(string: "210000184.09084884"))
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XCTAssertEqual(satsViewModel.btcString, "210,000,184.09084884")
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XCTAssertEqual(satsViewModel.sats, Decimal(string: "21000018409084884"))
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XCTAssertEqual(satsViewModel.satsString, "21,000,018,409,084,884")
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XCTAssertEqual(satsViewModel.currencyValue(for: currency), Decimal(string: "11407419999999"))
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#else
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XCTAssertEqual(satsViewModel.btc, Decimal("210000184.09084884"))
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XCTAssertEqual(satsViewModel.btcString, "210000184.09084884")
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XCTAssertEqual(satsViewModel.sats, Decimal("21000018409084884"))
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XCTAssertEqual(satsViewModel.satsString, "21000018409084884")
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XCTAssertEqual(satsViewModel.currencyValue, Decimal("11407419999999"))
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#endif
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XCTAssertEqual(satsViewModel.currencyValueString(for: currency).wrappedValue, "11,407,419,999,999.00")
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}
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}
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