88 lines
3.1 KiB
Swift
88 lines
3.1 KiB
Swift
//
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// PreferenceValueTests.swift
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//
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// Copyright 2026 Brendan Szymanski <hello@bscubed.dev>
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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//
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// SPDX-License-Identifier: GPL-3.0-or-later
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//
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import Foundation
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import Testing
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@testable import LuminateCore
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/// Verifies typed conversions at the preference storage boundary.
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@Suite struct PreferenceValueTests {
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@Test("Boolean decoding accepts only zero and one")
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func booleanDecoding() {
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#expect(Bool(preference: .integer(0)) == false)
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#expect(Bool(preference: .integer(1)) == true)
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#expect(Bool(preference: .integer(2)) == nil)
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}
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@Test("Double decoding accepts integer storage")
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func doubleIntegerDecoding() {
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#expect(Double(preference: .integer(3)) == 3.0)
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}
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@Test("Non-finite doubles encode as zero")
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func nonFiniteDoubleEncoding() {
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#expect(Double.nan.preferenceValue == .real(0))
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#expect(Double.infinity.preferenceValue == .real(0))
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}
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@Test("Boolean encoding maps to zero and one")
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func booleanEncoding() {
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#expect(true.preferenceValue == .integer(1))
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#expect(false.preferenceValue == .integer(0))
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}
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@Test("Integer decoding and encoding round trip")
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func integerRoundTrip() {
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#expect(Int(preference: .integer(7)) == 7)
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#expect(Int(preference: .text("7")) == nil)
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#expect(7.preferenceValue == .integer(7))
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}
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@Test("UUID round trips through text storage")
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func uuidRoundTrip() {
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let uuid = UUID()
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#expect(uuid.preferenceValue == .text(uuid.uuidString))
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#expect(UUID(preference: .text(uuid.uuidString)) == uuid)
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#expect(UUID(preference: .text("not-a-uuid")) == nil)
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#expect(UUID(preference: .integer(1)) == nil)
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}
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@Test("Data round trips through blob storage, including empty data")
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func dataRoundTrip() {
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#expect(Data([1, 2, 3]).preferenceValue == .blob(Data([1, 2, 3])))
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#expect(Data(preference: .blob(Data([1, 2, 3]))) == Data([1, 2, 3]))
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#expect(Data().preferenceValue == .blob(Data()))
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#expect(Data(preference: .blob(Data())) == Data())
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#expect(Data(preference: .text("x")) == nil)
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}
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@Test("A RawRepresentable conformance encodes and decodes through its raw value")
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func rawRepresentableConformance() {
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#expect(Theme.dark.preferenceValue == .text("dark"))
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#expect(Theme(preference: .text("light")) == .light)
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#expect(Theme(preference: .text("plaid")) == nil)
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}
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}
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private enum Theme: String, PreferenceValue {
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case light, dark
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}
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