Files
sats-price/SatsPriceTests/SatsViewModelTests.swift
2024-02-20 22:30:10 -05:00

73 lines
3.0 KiB
Swift

//
// SatsViewModelTests.swift
// SatsPriceTests
//
// Created by Terry Yiu on 2/19/24.
//
import XCTest
import BigDecimal
@testable import SatsPrice
final class SatsViewModelTests: XCTestCase {
override func setUpWithError() throws {
// Put setup code here. This method is called before the invocation of each test method in the class.
}
override func tearDownWithError() throws {
// Put teardown code here. This method is called after the invocation of each test method in the class.
}
func testSatsViewModel() {
let satsViewModel = SatsViewModel()
satsViewModel.btcToUsdString = "54321"
// Test BTC updates.
satsViewModel.btcString = "1"
XCTAssertEqual(satsViewModel.btc, BigDecimal("1"))
XCTAssertEqual(satsViewModel.btcString, "1")
XCTAssertEqual(satsViewModel.sats, BigDecimal("100000000"))
XCTAssertEqual(satsViewModel.satsString, "100000000")
XCTAssertEqual(satsViewModel.usd, BigDecimal("54321"))
XCTAssertEqual(satsViewModel.usdString, "54321")
// Test Sats updates.
satsViewModel.satsString = "200000000"
XCTAssertEqual(satsViewModel.btc, BigDecimal("2"))
XCTAssertEqual(satsViewModel.btcString, "2")
XCTAssertEqual(satsViewModel.sats, BigDecimal("200000000"))
XCTAssertEqual(satsViewModel.satsString, "200000000")
XCTAssertEqual(satsViewModel.usd, BigDecimal("108642"))
XCTAssertEqual(satsViewModel.usdString, "108642")
// Test USD updates.
satsViewModel.usdString = "162963"
XCTAssertEqual(satsViewModel.btc, BigDecimal("3"))
XCTAssertEqual(satsViewModel.btcString, "3")
XCTAssertEqual(satsViewModel.sats, BigDecimal("300000000"))
XCTAssertEqual(satsViewModel.satsString, "300000000")
XCTAssertEqual(satsViewModel.usd, BigDecimal("162963"))
XCTAssertEqual(satsViewModel.usdString, "162963")
// Test fractional amounts.
satsViewModel.usdString = "1"
XCTAssertEqual(satsViewModel.btc, BigDecimal("0.000018409086725207562452"))
XCTAssertEqual(satsViewModel.btcString, "0.000018409086725207562452")
XCTAssertEqual(satsViewModel.sats, BigDecimal("1840.9086725207562452"))
XCTAssertEqual(satsViewModel.satsString, "1840.9086725207562452")
XCTAssertEqual(satsViewModel.usd, BigDecimal("1"))
XCTAssertEqual(satsViewModel.usdString, "1")
// Test large amounts that exceed the cap of 21M BTC.
satsViewModel.usdString = "11407419999999"
XCTAssertEqual(satsViewModel.btc, BigDecimal("210000184.09084884298"))
XCTAssertEqual(satsViewModel.btcString, "210000184.09084884298")
XCTAssertEqual(satsViewModel.sats, BigDecimal("21000018409084884.298"))
XCTAssertEqual(satsViewModel.satsString, "21000018409084884.298")
XCTAssertEqual(satsViewModel.usd, BigDecimal("11407419999999"))
XCTAssertEqual(satsViewModel.usdString, "11407419999999")
}
}