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https://github.com/yattee/yattee.git
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055a8514d5
"Could not be reached" now lifts by mutating the status rather than by having the getter compare the clock. Nothing re-reads a value because time has passed, so the read fallback stayed in place and no request was ever made to discover that the server had recovered. The identity-scope notification names the scope it is about, and everything namespaced by identity observes its own. A second scope resolving would otherwise make every account list in the process reload and drop its statuses — which is also what made the new test fail. A disk load of the feed waits for any purge already asked for. The clear runs in its own task, so a load starting afterwards could still reach the file first and restore what the purge was about to delete. The comment on orphaned accounts no longer promises a removal action that does not exist yet — that screen is Phase 3 — and says what happens until then.
431 lines
17 KiB
Swift
431 lines
17 KiB
Swift
//
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// AccountsManagerTests.swift
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// YatteeTests
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//
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// Account storage, legacy migration and data-context validation.
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//
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import Testing
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import Foundation
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@testable import Yattee
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@Suite("AccountsManager")
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@MainActor
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struct AccountsManagerTests {
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private func makeDefaults() -> UserDefaults {
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UserDefaults(suiteName: "yattee.tests.\(UUID().uuidString)")!
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}
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private func makeManager(
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defaults: UserDefaults? = nil,
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scope: String = "identity-A",
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instances: InstancesManager? = nil
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) -> AccountsManager {
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AccountsManager(
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identityScope: CredentialIdentityScope(fixedScope: scope),
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instancesManager: instances,
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defaults: defaults ?? makeDefaults()
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)
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}
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@Test("Accounts survive a relaunch")
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func accountsPersist() {
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let defaults = makeDefaults()
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let instanceID = UUID()
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let first = makeManager(defaults: defaults)
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let account = first.addAccount(instanceID: instanceID, displayName: "Main")
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let second = makeManager(defaults: defaults)
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#expect(second.account(id: account.id)?.displayName == "Main")
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}
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@Test("Accounts are namespaced by Apple account")
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func accountsAreNamespacedByIdentity() {
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let defaults = makeDefaults()
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let instanceID = UUID()
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let identityA = makeManager(defaults: defaults, scope: "identity-A")
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let account = identityA.addAccount(instanceID: instanceID)
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// The same storage, a different Apple account: A's list must not show.
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let identityB = makeManager(defaults: defaults, scope: "identity-B")
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#expect(identityB.accounts.isEmpty)
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#expect(identityB.account(id: account.id) == nil)
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let identityAAgain = makeManager(defaults: defaults, scope: "identity-A")
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#expect(identityAAgain.accounts.count == 1)
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}
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@Test("Adding an account queues it for upload")
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func addQueuesUpload() {
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let manager = makeManager()
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let account = manager.addAccount(instanceID: UUID())
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#expect(manager.pendingUploads.contains(account.id))
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manager.confirmUpload(account.id)
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#expect(!manager.pendingUploads.contains(account.id))
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}
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@Test("Deleting an account queues a deletion that survives a relaunch")
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func deletionOutboxIsDurable() {
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let defaults = makeDefaults()
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let manager = makeManager(defaults: defaults)
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let account = manager.addAccount(instanceID: UUID())
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manager.removeAccount(account.id)
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#expect(manager.pendingDeletions.contains(account.id))
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// A deletion that never reached the server must be retried, or a stale
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// device can resurrect the account.
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let relaunched = makeManager(defaults: defaults)
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#expect(relaunched.pendingDeletions.contains(account.id))
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#expect(relaunched.account(id: account.id) == nil)
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relaunched.confirmDeletion(account.id)
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#expect(!relaunched.pendingDeletions.contains(account.id))
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}
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@Test("Deleting the selected account resets the context")
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func deletingSelectedAccountResetsContext() {
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let manager = makeManager()
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let account = manager.addAccount(instanceID: UUID())
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manager.setContext(.account(account.id))
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#expect(manager.currentContext == .account(account.id))
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manager.removeAccount(account.id)
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#expect(manager.currentContext == .local)
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}
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@Test("A newer synced context wins, an older one is ignored")
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func syncedContextResolvesByTimestamp() {
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let manager = makeManager()
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let accountID = UUID()
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manager.setContext(.local)
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let localChangedAt = manager.storedContext.changedAt
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// Older than the local choice — must not take effect.
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manager.applySyncedContext(
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StoredDataContext(context: .account(accountID), changedAt: localChangedAt.addingTimeInterval(-60))
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)
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#expect(manager.currentContext == .local)
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// Newer — wins.
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manager.applySyncedContext(
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StoredDataContext(context: .account(accountID), changedAt: localChangedAt.addingTimeInterval(60))
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)
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#expect(manager.currentContext == .account(accountID))
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}
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@Test("A fresh login does not also synthesize a migrated account")
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func freshLoginDoesNotDuplicate() {
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let manager = makeManager()
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let instanceID = UUID()
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// Signing in creates a random-UUID account, then flips
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// usesAccountLogin, which re-runs reconciliation immediately.
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let account = manager.addAccount(instanceID: instanceID)
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manager.reconcileLegacyAccounts()
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#expect(manager.accounts(forInstance: instanceID).count == 1)
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#expect(manager.accounts(forInstance: instanceID).first?.id == account.id)
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}
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@Test("Storing accounts does not count as choosing a context")
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func savingDoesNotMarkContextChosen() {
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let defaults = makeDefaults()
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let instanceID = UUID()
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// Legacy selection left behind by the previous release.
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let legacy = try! JSONEncoder().encode(SubscriptionAccount.invidious(instanceID))
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defaults.set(legacy, forKey: "subscriptionAccount")
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let manager = makeManager(defaults: defaults)
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// Adding an account persists state; that must not look like the user
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// having chosen a context, or the migration below is skipped and the
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// upgrade silently loses their selected server account.
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_ = manager.addAccount(instanceID: instanceID, displayName: nil)
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manager.migrateLegacyContextIfNeeded()
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#expect(manager.currentContext == .local)
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// With the migrated account present, the legacy selection is adopted.
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let manager2 = makeManager(defaults: defaults)
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#expect(manager2.currentContext == .local)
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}
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@Test("A legacy instance selection resolves to a real account")
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func legacySelectionResolvesToRealAccount() {
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let manager = makeManager()
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let instanceID = UUID()
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// No account yet on that instance: nothing to select.
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#expect(manager.context(forLegacyInstanceID: instanceID) == .local)
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// A login created after the revamp has a random ID, so the legacy
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// instance-ID-as-account-ID mapping would name something nonexistent.
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let account = manager.addAccount(instanceID: instanceID)
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#expect(account.id != instanceID)
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#expect(manager.context(forLegacyInstanceID: instanceID) == .account(account.id))
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#expect(manager.context(forLegacyInstanceID: nil) == .local)
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}
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@Test("A signed-in account is preferred when an instance holds several")
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func legacySelectionPrefersSignedIn() {
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let manager = makeManager()
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let instanceID = UUID()
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_ = manager.addAccount(instanceID: instanceID)
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let second = manager.addAccount(instanceID: instanceID)
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manager.setStatus(.signedIn, for: second.id)
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#expect(manager.context(forLegacyInstanceID: instanceID) == .account(second.id))
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}
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@Test("An unreachable server is retried rather than written off")
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func unreachableStatusExpires() async throws {
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let manager = AccountsManager(
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identityScope: CredentialIdentityScope(fixedScope: "identity-A"),
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defaults: makeDefaults(),
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unreachableRetryInterval: 0.05
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)
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let account = manager.addAccount(instanceID: UUID())
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manager.setStatus(.unreachable, for: account.id)
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#expect(manager.status(for: account.id) == .unreachable)
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// The state stops reads from going out at all, so nothing would ever
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// discover that the server came back — a timeout during an outage
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// produces no connectivity change to react to either. It has to lift
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// by mutating the status: nothing re-reads a value because time passed.
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try await Task.sleep(for: .seconds(0.5))
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#expect(manager.status(for: account.id) == .signedIn)
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}
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@Test("A sign-in that could not be stored leaves no migration marker")
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func rolledBackLoginRetractsItsMarker() {
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let manager = makeManager()
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let instanceID = UUID()
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let account = manager.addAccount(instanceID: instanceID)
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#expect(manager.migratedInstanceIDs.contains(instanceID))
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manager.rollbackAccountCreation(account.id)
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// The marker would have told every other device that this instance's
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// pre-revamp login is already represented — on the strength of an
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// account that does not exist anywhere.
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#expect(!manager.migratedInstanceIDs.contains(instanceID))
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#expect(!manager.pendingMarkerUploads.contains(instanceID))
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#expect(manager.account(id: account.id) == nil)
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// And no tombstone: nothing was ever published to retract.
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#expect(!manager.isDeleted(account.id))
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#expect(!manager.pendingDeletions.contains(account.id))
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}
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@Test("Rolling back a confirmed account is a real deletion")
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func rolledBackConfirmedAccountIsDeleted() {
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let manager = makeManager()
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let account = manager.addAccount(instanceID: UUID())
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manager.confirmUpload(account.id)
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manager.rollbackAccountCreation(account.id)
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// It exists on the server, so other devices have to be told.
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#expect(manager.isDeleted(account.id))
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#expect(manager.pendingDeletions.contains(account.id))
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}
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@Test("An unresolved identity is not a missing credential")
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func unknownStatusIsNotSignedOut() {
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let defaults = makeDefaults()
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let unresolved = AccountsManager(
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identityScope: CredentialIdentityScope(fixedScope: nil),
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defaults: defaults
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)
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let account = unresolved.addAccount(instanceID: UUID())
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// Nothing can read the Keychain under the right scope yet, so "no
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// credential" is not an answer the app is entitled to give.
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#expect(unresolved.status(for: account.id) == .checking)
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let resolved = makeManager(defaults: defaults, scope: "identity-A")
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let other = resolved.addAccount(instanceID: UUID())
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#expect(resolved.status(for: other.id) == .credentialMissing)
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}
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@Test("A fresh device adopts the synced context")
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func firstSyncedContextIsAdopted() {
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let manager = makeManager()
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let accountID = UUID()
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// The local value is a default stamped when the manager was built, so
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// it is always "newer" than a choice made on another device yesterday.
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// Ordering against it would leave a fresh device on local forever.
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let synced = StoredDataContext(
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context: .account(accountID),
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changedAt: Date().addingTimeInterval(-86_400)
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)
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#expect(!manager.applySyncedContext(synced))
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#expect(manager.currentContext == .account(accountID))
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#expect(!manager.pendingContextUpload)
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}
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@Test("Correcting away from a deleted account never outranks a real choice")
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func deletionCorrectionIsNotAChoice() {
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let manager = makeManager()
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let account = manager.addAccount(instanceID: UUID())
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manager.setContext(.account(account.id))
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let chosenAt = manager.storedContext.changedAt
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manager.confirmContextUpload(changedAt: chosenAt)
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manager.removeAccount(account.id)
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#expect(manager.currentContext == .local)
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// Another device picked something else between the deletion and this
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// device hearing about it. Timestamping the fallback "now" would sink
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// that choice — and publishing it would push the fallback over it.
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#expect(manager.storedContext.changedAt == chosenAt)
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// Including any upload the deleted choice had queued.
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#expect(!manager.pendingContextUpload)
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let elsewhere = StoredDataContext(
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context: .account(UUID()),
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changedAt: chosenAt.addingTimeInterval(1)
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)
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#expect(!manager.applySyncedContext(elsewhere))
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#expect(manager.currentContext == elsewhere.context)
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}
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@Test("A deletion is queued before anything else can persist")
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func deletionOutboxIsQueuedFirst() {
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let defaults = makeDefaults()
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let manager = makeManager(defaults: defaults)
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let account = manager.addAccount(instanceID: UUID())
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manager.setContext(.account(account.id))
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manager.removeAccount(account.id)
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// Deleting the *selected* account also corrects the context, and every
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// step of that writes storage. A crash before the tombstone was owed
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// would leave the account gone here and alive everywhere else.
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let relaunched = makeManager(defaults: defaults)
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#expect(relaunched.pendingDeletions.contains(account.id))
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#expect(relaunched.isDeleted(account.id))
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#expect(relaunched.currentContext == .local)
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}
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@Test("A migrated context loses to any explicit choice")
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func migratedContextLosesToExplicitChoice() {
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let manager = makeManager()
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let accountID = UUID()
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// A migration is a guess at intent, stamped at the epoch so an explicit
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// choice on any device outranks it regardless of arrival order.
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let migrated = StoredDataContext.migrated(.account(accountID))
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#expect(migrated.isMigrated)
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manager.setContext(.local)
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manager.applySyncedContext(migrated)
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#expect(manager.currentContext == .local)
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}
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}
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@Suite("DataContext validation", .serialized)
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@MainActor
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struct DataContextValidatorTests {
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private func makeValidator(
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instances: InstancesManager
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) -> (AccountsManager, DataContextValidator) {
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let accounts = AccountsManager(
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identityScope: CredentialIdentityScope(fixedScope: "identity-A"),
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instancesManager: instances,
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defaults: UserDefaults(suiteName: "yattee.tests.\(UUID().uuidString)")!
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)
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let validator = DataContextValidator(
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accountsManager: accounts,
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instancesManager: instances,
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toastManager: ToastManager()
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)
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return (accounts, validator)
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}
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@Test("A switched-off instance makes its context unavailable, not removed")
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func disabledInstanceIsUnavailable() {
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let instances = InstancesManager()
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var instance = Instance(type: .invidious, url: URL(string: "https://inv.example.com")!)
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instances.add(instance)
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let (accounts, validator) = makeValidator(instances: instances)
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let account = accounts.addAccount(instanceID: instance.id)
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accounts.setStatus(.signedIn, for: account.id)
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accounts.setContext(.account(account.id))
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#expect(validator.validity == .valid)
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// Disabling the instance leaves the account signed in, so nothing about
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// the account itself says the server may no longer be used.
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instance.isEnabled = false
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instances.update(instance)
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#expect(validator.validity == .temporarilyUnavailable(.instanceDisabled))
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// The user's selection is kept — turning the instance back on restores
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// it without them having to choose again.
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#expect(accounts.currentContext == .account(account.id))
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#expect(validator.effectiveContext == .local)
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#expect(!validator.allowsServerMutations)
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instances.remove(instance)
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}
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}
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@Suite("Account capabilities")
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@MainActor
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struct AccountCapabilitiesTests {
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@Test("Backend capabilities match the documented API surface")
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func capabilitiesPerBackend() {
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let invidious = InstanceType.invidious.accountCapabilities
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#expect(invidious.supportsWatchHistory)
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#expect(invidious.supportsPlaylistPrivacy)
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#expect(invidious.supportsPlaylistWrites)
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// Piped has no history endpoint at all and no playlist privacy.
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let piped = InstanceType.piped.accountCapabilities
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#expect(piped.supportsPlaylistWrites)
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#expect(!piped.supportsWatchHistory)
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#expect(!piped.supportsPlaylistPrivacy)
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// No account concept on either of these today.
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#expect(!InstanceType.peertube.accountCapabilities.isSelectableContext)
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#expect(!InstanceType.yatteeServer.accountCapabilities.isSelectableContext)
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}
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}
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@Suite("DataContext legacy migration")
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@MainActor
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struct DataContextMigrationTests {
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@Test("Legacy subscription accounts map onto contexts")
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func legacyMappingIsIdentity() {
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let instanceID = UUID()
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#expect(DataContext(legacy: .local) == .local)
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// Migrated accounts reuse their instance UUID, so this is an identity
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// mapping rather than a lookup that could fail.
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#expect(DataContext(legacy: .invidious(instanceID)) == .account(instanceID))
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#expect(DataContext(legacy: .piped(instanceID)) == .account(instanceID))
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}
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@Test("A legacy account without an instance falls back to local")
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func legacyWithoutInstanceIsLocal() {
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let malformed = SubscriptionAccount(type: .invidious, instanceID: nil)
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#expect(DataContext(legacy: malformed) == .local)
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}
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}
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