File size: 3,848 Bytes
b8370f5 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 | import Foundation
import SwiftUI
import Testing
@testable import OpenClawChatUI
struct ChatReaderScrollStateTests {
#if os(iOS)
@Test func `iOS initially restores to the live edge`() {
#expect(chatReaderInitialRestorePolicy() == .liveEdge)
}
#elseif os(macOS)
@Test func `macOS initially restores to the latest turn`() {
#expect(chatReaderInitialRestorePolicy() == .latestTurn)
}
#endif
@Test func `optimistic turn removal keeps the older user as the baseline`() {
let olderUserID = UUID()
let optimisticUserID = UUID()
let transition = chatReaderUserTransition(
previousID: optimisticUserID,
visibleIDs: [olderUserID])
#expect(transition == .removed(latestRemainingID: olderUserID))
}
@Test func `only user removal clears the user baseline`() {
let optimisticUserID = UUID()
let transition = chatReaderUserTransition(
previousID: optimisticUserID,
visibleIDs: [])
#expect(transition == .removed(latestRemainingID: nil))
}
@Test func `new user after the existing baseline starts a turn`() {
let previousUserID = UUID()
let newUserID = UUID()
let transition = chatReaderUserTransition(
previousID: previousUserID,
visibleIDs: [previousUserID, newUserID])
#expect(transition == .added(newUserID))
}
@Test func `removed transient content does not offer a latest jump`() {
let userID = UUID()
let hasNewerContent = chatReaderHasNewerContent(
after: userID,
visibleIDs: [userID],
hasTransientContent: false)
#expect(!hasNewerContent)
}
@Test func `assistant or transient content after the user offers a latest jump`() {
let userID = UUID()
let assistantID = UUID()
#expect(chatReaderHasNewerContent(
after: userID,
visibleIDs: [userID, assistantID],
hasTransientContent: false))
#expect(chatReaderHasNewerContent(
after: userID,
visibleIDs: [userID],
hasTransientContent: true))
}
@Test func `drags and system animated scrolls release the follow target`() {
#expect(chatReaderScrollReleasesFollow(.interacting))
#expect(chatReaderScrollReleasesFollow(.animating))
}
@Test func `idle, touch-down, and deceleration phases keep the follow target`() {
#expect(!chatReaderScrollReleasesFollow(.idle))
#expect(!chatReaderScrollReleasesFollow(.tracking))
#expect(!chatReaderScrollReleasesFollow(.decelerating))
}
@Test func `streaming at the live edge never offers a latest jump`() {
// #108693: the first Writing tick of a turn makes structural "newer content" true
// while the reader is still at the bottom; the geometry gate must win.
#expect(!chatReaderShowsJumpToLatest(
hasNewerContentBelow: true,
isAtLiveEdge: true,
hasVisibleContent: true,
isLoading: false))
}
@Test func `newer content below the viewport offers a latest jump`() {
#expect(chatReaderShowsJumpToLatest(
hasNewerContentBelow: true,
isAtLiveEdge: false,
hasVisibleContent: true,
isLoading: false))
}
@Test func `loading and empty transcripts suppress the latest jump`() {
#expect(!chatReaderShowsJumpToLatest(
hasNewerContentBelow: true,
isAtLiveEdge: false,
hasVisibleContent: true,
isLoading: true))
#expect(!chatReaderShowsJumpToLatest(
hasNewerContentBelow: true,
isAtLiveEdge: false,
hasVisibleContent: false,
isLoading: false))
}
}
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