73 lines
3.0 KiB
Swift
73 lines
3.0 KiB
Swift
//
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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 XCTest
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import BigDecimal
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@testable import SatsPrice
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final class SatsViewModelTests: XCTestCase {
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override func setUpWithError() throws {
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// Put setup code here. This method is called before the invocation of each test method in the class.
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}
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override func tearDownWithError() throws {
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// Put teardown code here. This method is called after the invocation of each test method in the class.
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}
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func testSatsViewModel() {
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let satsViewModel = SatsViewModel()
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satsViewModel.btcToUsdString = "54321"
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// Test BTC updates.
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satsViewModel.btcString = "1"
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XCTAssertEqual(satsViewModel.btc, BigDecimal("1"))
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XCTAssertEqual(satsViewModel.btcString, "1")
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XCTAssertEqual(satsViewModel.sats, BigDecimal("100000000"))
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XCTAssertEqual(satsViewModel.satsString, "100000000")
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XCTAssertEqual(satsViewModel.usd, BigDecimal("54321"))
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XCTAssertEqual(satsViewModel.usdString, "54321")
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// Test Sats updates.
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satsViewModel.satsString = "200000000"
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XCTAssertEqual(satsViewModel.btc, BigDecimal("2"))
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XCTAssertEqual(satsViewModel.btcString, "2")
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XCTAssertEqual(satsViewModel.sats, BigDecimal("200000000"))
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XCTAssertEqual(satsViewModel.satsString, "200000000")
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XCTAssertEqual(satsViewModel.usd, BigDecimal("108642"))
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XCTAssertEqual(satsViewModel.usdString, "108642")
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// Test USD updates.
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satsViewModel.usdString = "162963"
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XCTAssertEqual(satsViewModel.btc, BigDecimal("3"))
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XCTAssertEqual(satsViewModel.btcString, "3")
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XCTAssertEqual(satsViewModel.sats, BigDecimal("300000000"))
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XCTAssertEqual(satsViewModel.satsString, "300000000")
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XCTAssertEqual(satsViewModel.usd, BigDecimal("162963"))
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XCTAssertEqual(satsViewModel.usdString, "162963")
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// Test fractional amounts.
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satsViewModel.usdString = "1"
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XCTAssertEqual(satsViewModel.btc, BigDecimal("0.000018409086725207562452"))
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XCTAssertEqual(satsViewModel.btcString, "0.000018409086725207562452")
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XCTAssertEqual(satsViewModel.sats, BigDecimal("1840.9086725207562452"))
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XCTAssertEqual(satsViewModel.satsString, "1840.9086725207562452")
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XCTAssertEqual(satsViewModel.usd, BigDecimal("1"))
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XCTAssertEqual(satsViewModel.usdString, "1")
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// Test large amounts that exceed the cap of 21M BTC.
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satsViewModel.usdString = "11407419999999"
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XCTAssertEqual(satsViewModel.btc, BigDecimal("210000184.09084884298"))
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XCTAssertEqual(satsViewModel.btcString, "210000184.09084884298")
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XCTAssertEqual(satsViewModel.sats, BigDecimal("21000018409084884.298"))
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XCTAssertEqual(satsViewModel.satsString, "21000018409084884.298")
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XCTAssertEqual(satsViewModel.usd, BigDecimal("11407419999999"))
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XCTAssertEqual(satsViewModel.usdString, "11407419999999")
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}
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}
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