luminate/Tests/LuminateOnboardingTests/OnboardPathEnvironmentKeyTests.swift

80 lines
2.9 KiB
Swift

//
// OnboardPathEnvironmentKeyTests.swift
//
// Copyright 2026 Brendan Szymanski <hello@bscubed.dev>
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
//
// SPDX-License-Identifier: GPL-3.0-or-later
//
@_spi(SGTKInternal) import Gtk
import LuminateCore
@_spi(Portico) import Portico
import Testing
@testable import LuminateOnboarding
/// Captures the binding a mounted page resolves, so a test can push through it after mount.
@MainActor private final class PathCapture {
var path: Portico.Binding<[OnboardDestination]>?
}
/// Stands in for an onboarding page that pushes through the injected path.
private struct PathProbe: View {
@Environment(\.onboardPath) private var onboardPath
let capture: PathCapture
var body: some View {
capture.path = onboardPath
return Label(str: "probe")
}
}
/// Covers `OnboardPathEnvironmentKey`/`EnvironmentValues.onboardPath`: the default-empty binding,
/// writes routing through the environment subscript, and a mounted page resolving an injected
/// binding after mount.
@Suite(.serialized) @MainActor struct OnboardPathEnvironmentKeyTests {
@Test("An unresolved slot reads an empty path")
func defaultIsEmpty() {
#expect(EnvironmentValues().onboardPath.wrappedValue.isEmpty)
}
@Test("The key path routes through the environment subscript")
func keyPathResolvesToABox() {
#expect(EnvironmentValues()._box(for: \.onboardPath) != nil)
}
@Test("A push through the injected slot reaches the owning state")
func injectedBindingWritesThrough() {
@State var path: [OnboardDestination] = []
var values = EnvironmentValues()
values.onboardPath = $path
values.onboardPath.wrappedValue.append(.login)
#expect(path == [.login])
}
@Test("A page mounted under the injection pushes onto the window's path")
func mountedPageResolvesInjectedBinding() {
guard Gtk.initCheck() else { return }
@State var path: [OnboardDestination] = []
let capture = PathCapture()
let context = MountContext()
_ = AnyView(PathProbe(capture: capture).environment(\.onboardPath, $path)).makeWidget(context)
defer { context.registry.teardown() }
capture.path?.wrappedValue.append(.manualLogin)
#expect(path == [.manualLogin])
}
}