Initial commit

2024-02-19 01:58:22 -05:00
commit adac2bcd64
40 changed files with 2164 additions and 0 deletions
--- a/SatsPriceTests/SatsViewModelTests.swift
+++ b/SatsPriceTests/SatsViewModelTests.swift
@@ -0,0 +1,72 @@
+//
+//  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")
+    }
+
+}