42 lines
1.3 KiB
TypeScript
42 lines
1.3 KiB
TypeScript
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import { describe, expect, test } from 'bun:test';
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import { shouldAutoLoadEarlierForUnderfilledPinnedViewport } from './useChatTimelineController';
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const baseInput = {
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sessionId: 'ses_1',
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isPinned: true,
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canLoadEarlier: true,
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isLoadingOlder: false,
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pendingRevealWork: false,
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scrollHeight: 799,
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clientHeight: 800,
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};
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describe('shouldAutoLoadEarlierForUnderfilledPinnedViewport', () => {
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test('loads when pinned content does not fill the viewport', () => {
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expect(shouldAutoLoadEarlierForUnderfilledPinnedViewport(baseInput)).toBe(true);
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});
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test('does not load when content already overflows', () => {
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expect(shouldAutoLoadEarlierForUnderfilledPinnedViewport({
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...baseInput,
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scrollHeight: 802,
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})).toBe(false);
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});
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test('does not load while user is away from bottom or history work is active', () => {
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expect(shouldAutoLoadEarlierForUnderfilledPinnedViewport({
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...baseInput,
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isPinned: false,
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})).toBe(false);
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expect(shouldAutoLoadEarlierForUnderfilledPinnedViewport({
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...baseInput,
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isLoadingOlder: true,
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})).toBe(false);
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expect(shouldAutoLoadEarlierForUnderfilledPinnedViewport({
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...baseInput,
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pendingRevealWork: true,
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})).toBe(false);
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});
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});
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