| 1 | import XCTest |
| 2 | @testable import LChatCore |
| 3 | |
| 4 | // The unread rule shared by refresh() and applyReadFrame(), and the ReadState |
| 5 | // storage behind it. The watermark half must match the web's seeding in |
| 6 | // shell.js loadThreads (same server field, same comparison); the manual-unread |
| 7 | // flag is native-only, deliberately device-local (the server mark is |
| 8 | // forward-only, so "unread again" can't ride the watermark itself). |
| 9 | final class ReadSyncTests: XCTestCase { |
| 10 | func testIsUnread() { |
| 11 | // Someone else's message past the watermark lights the dot… |
| 12 | XCTAssertTrue(ThreadStore.isUnread(lastAt: 100, lastMine: false, seen: 50, manualUnreadAt: 0)) |
| 13 | // …a watermark covering it (read on ANY device) clears it… |
| 14 | XCTAssertFalse(ThreadStore.isUnread(lastAt: 100, lastMine: false, seen: 100, manualUnreadAt: 0)) |
| 15 | XCTAssertFalse(ThreadStore.isUnread(lastAt: 100, lastMine: false, seen: 150, manualUnreadAt: 0)) |
| 16 | // …and your own last message never counts as unread, watermark or not. |
| 17 | XCTAssertFalse(ThreadStore.isUnread(lastAt: 100, lastMine: true, seen: 0, manualUnreadAt: 0)) |
| 18 | |
| 19 | // Mark-as-unread: the flag on exactly the newest message wins over a |
| 20 | // covering watermark… |
| 21 | XCTAssertTrue(ThreadStore.isUnread(lastAt: 100, lastMine: false, seen: 100, manualUnreadAt: 100)) |
| 22 | // …retires itself once a newer message arrives (the watermark rule |
| 23 | // takes over)… |
| 24 | XCTAssertTrue(ThreadStore.isUnread(lastAt: 120, lastMine: false, seen: 100, manualUnreadAt: 100)) |
| 25 | XCTAssertFalse(ThreadStore.isUnread(lastAt: 120, lastMine: false, seen: 120, manualUnreadAt: 100)) |
| 26 | // …and never overrides the own-message rule. |
| 27 | XCTAssertFalse(ThreadStore.isUnread(lastAt: 100, lastMine: true, seen: 100, manualUnreadAt: 100)) |
| 28 | |
| 29 | // An EMPTY thread (no messages, so lastAt 0) is never unread: 0 also |
| 30 | // means "no manual flag", and the bare `manualUnreadAt == lastAt` |
| 31 | // matched 0 == 0 — every empty thread relit its dot on every refresh |
| 32 | // (the App Studio phantom dot, caught by the debug event window). |
| 33 | XCTAssertFalse(ThreadStore.isUnread(lastAt: 0, lastMine: false, seen: 0, manualUnreadAt: 0)) |
| 34 | } |
| 35 | |
| 36 | func testManualUnreadStorage() { |
| 37 | let inst = "test-\(UUID().uuidString)" |
| 38 | XCTAssertEqual(ReadState.manualUnreadAt(instance: inst, thread: "t"), 0, "unset reads as 0") |
| 39 | ReadState.setManualUnread(instance: inst, thread: "t", at: 42) |
| 40 | XCTAssertEqual(ReadState.manualUnreadAt(instance: inst, thread: "t"), 42) |
| 41 | ReadState.setManualUnread(instance: inst, thread: "t", at: 0) |
| 42 | XCTAssertEqual(ReadState.manualUnreadAt(instance: inst, thread: "t"), 0, "0 clears the flag") |
| 43 | UserDefaults.standard.removeObject(forKey: "lchat.unread|\(inst)|t") |
| 44 | } |
| 45 | } |
| 46 | |
amadan