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Add support for multiple currencies

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This commit is contained in:
Terry Yiu
2024-11-10 23:10:33 +01:00
parent 9faaa24e8d
commit 9321f920b4
5 changed files with 214 additions and 124 deletions
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38
Tests/SatsPriceTests/SatsViewModelTests.swift
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@@ -14,82 +14,84 @@ import XCTest
final class SatsViewModelTests: XCTestCase {
let currency = Locale.Currency("USD")
func testSatsViewModel() {
let satsViewModel = SatsViewModel()
satsViewModel.btcToCurrencyString = "54321"
satsViewModel.btcToCurrencyString(for: currency).wrappedValue = "54321"
// Test BTC updates.
satsViewModel.btcString = "1"
#if !SKIP
XCTAssertEqual(satsViewModel.btc, Decimal(string: "1"))
XCTAssertEqual(satsViewModel.sats, Decimal(string: "100000000"))
XCTAssertEqual(satsViewModel.currencyValue, Decimal(string: "54321"))
XCTAssertEqual(satsViewModel.currencyValue(for: currency), Decimal(string: "54321"))
#else
XCTAssertEqual(satsViewModel.btc, Decimal("1"))
XCTAssertEqual(satsViewModel.sats, Decimal("100000000"))
XCTAssertEqual(satsViewModel.currencyValue, Decimal("54321"))
XCTAssertEqual(satsViewModel.currencyValue(for: currency), Decimal("54321"))
#endif
XCTAssertEqual(satsViewModel.btcString, "1")
XCTAssertEqual(satsViewModel.satsString, "100000000")
XCTAssertEqual(satsViewModel.currencyValueString, "54321")
XCTAssertEqual(satsViewModel.currencyValueString(for: currency).wrappedValue, "54321")
// Test Sats updates.
satsViewModel.satsString = "200000000"
#if !SKIP
XCTAssertEqual(satsViewModel.btc, Decimal(string: "2"))
XCTAssertEqual(satsViewModel.sats, Decimal(string: "200000000"))
XCTAssertEqual(satsViewModel.currencyValue, Decimal(string: "108642"))
XCTAssertEqual(satsViewModel.currencyValue(for: currency), Decimal(string: "108642"))
#else
XCTAssertEqual(satsViewModel.btc, Decimal("2"))
XCTAssertEqual(satsViewModel.sats, Decimal("200000000"))
XCTAssertEqual(satsViewModel.currencyValue, Decimal("108642"))
XCTAssertEqual(satsViewModel.currencyValue(for: currency), Decimal("108642"))
#endif
XCTAssertEqual(satsViewModel.btcString, "2")
XCTAssertEqual(satsViewModel.satsString, "200000000")
XCTAssertEqual(satsViewModel.currencyValueString, "108642")
XCTAssertEqual(satsViewModel.currencyValueString(for: currency).wrappedValue, "108642")
// Test currency value updates.
satsViewModel.currencyValueString = "162963"
satsViewModel.currencyValueString(for: currency).wrappedValue = "162963"
#if !SKIP
XCTAssertEqual(satsViewModel.btc, Decimal(string: "3"))
XCTAssertEqual(satsViewModel.sats, Decimal(string: "300000000"))
XCTAssertEqual(satsViewModel.currencyValue, Decimal(string: "162963"))
XCTAssertEqual(satsViewModel.currencyValue(for: currency), Decimal(string: "162963"))
#else
XCTAssertEqual(satsViewModel.btc, Decimal("3"))
XCTAssertEqual(satsViewModel.sats, Decimal("300000000"))
XCTAssertEqual(satsViewModel.currencyValue, Decimal("162963"))
XCTAssertEqual(satsViewModel.currencyValue(for: currency), Decimal("162963"))
#endif
XCTAssertEqual(satsViewModel.btcString, "3")
XCTAssertEqual(satsViewModel.satsString, "300000000")
XCTAssertEqual(satsViewModel.currencyValueString, "162963")
XCTAssertEqual(satsViewModel.currencyValueString(for: currency).wrappedValue, "162963")
// Test fractional amounts.
// Precision between platforms on this calculation is different so we have different assertions for each.
satsViewModel.currencyValueString = "1"
satsViewModel.currencyValueString(for: currency).wrappedValue = "1"
#if !SKIP
XCTAssertEqual(satsViewModel.btc, Decimal(string: "0.00001840908672520756245282671526665562"))
XCTAssertEqual(satsViewModel.btcString, "0.00001840908672520756245282671526665562")
XCTAssertEqual(satsViewModel.sats, Decimal(string: "1840.908672520756245282671526665562"))
XCTAssertEqual(satsViewModel.satsString, "1840.908672520756245282671526665562")
XCTAssertEqual(satsViewModel.currencyValue, Decimal(string: "1"))
XCTAssertEqual(satsViewModel.currencyValue(for: currency), Decimal(string: "1"))
#else
XCTAssertEqual(satsViewModel.btc, Decimal("0.00001840908672520756"))
XCTAssertEqual(satsViewModel.btcString, "0.00001840908672520756")
XCTAssertEqual(satsViewModel.sats, Decimal("1840.908672520756"))
XCTAssertEqual(satsViewModel.satsString, "1840.908672520756")
XCTAssertEqual(satsViewModel.currencyValue, Decimal("1"))
XCTAssertEqual(satsViewModel.currencyValue(for: currency), Decimal("1"))
#endif
XCTAssertEqual(satsViewModel.currencyValueString, "1")
XCTAssertEqual(satsViewModel.currencyValueString(for: currency).wrappedValue, "1")
// Test large amounts that exceed the cap of 21M BTC.
// Precision between platforms on this calculation is different so we have different assertions for each.
satsViewModel.currencyValueString = "11407419999999"
satsViewModel.currencyValueString(for: currency).wrappedValue = "11407419999999"
#if !SKIP
XCTAssertEqual(satsViewModel.btc, Decimal(string: "210000184.09084884298889932070469983984"))
XCTAssertEqual(satsViewModel.btcString, "210000184.09084884298889932070469983984")
XCTAssertEqual(satsViewModel.sats, Decimal(string: "21000018409084884.298889932070469983984"))
XCTAssertEqual(satsViewModel.satsString, "21000018409084884.298889932070469983984")
XCTAssertEqual(satsViewModel.currencyValue, Decimal(string: "11407419999999"))
XCTAssertEqual(satsViewModel.currencyValue(for: currency), Decimal(string: "11407419999999"))
#else
XCTAssertEqual(satsViewModel.btc, Decimal("210000184.0908488429888993207"))
XCTAssertEqual(satsViewModel.btcString, "210000184.0908488429888993207")
@@ -97,7 +99,7 @@ final class SatsViewModelTests: XCTestCase {
XCTAssertEqual(satsViewModel.satsString, "21000018409084884.29888993207")
XCTAssertEqual(satsViewModel.currencyValue, Decimal("11407419999999"))
#endif
XCTAssertEqual(satsViewModel.currencyValueString, "11407419999999")
XCTAssertEqual(satsViewModel.currencyValueString(for: currency).wrappedValue, "11407419999999")
}
}