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life-echo/app-expo/tests/features/conversation/message-split.test.ts

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import {
lastSegmentPreview,
splitMessageParts,
splitStreamingSegments,
} from '@/features/conversation/message-split';
describe('message-split', () => {
it('splitMessageParts is case-insensitive on delimiter', () => {
expect(splitMessageParts('a [SPLIT] b')).toEqual(['a', 'b']);
expect(splitMessageParts('a [split] b')).toEqual(['a', 'b']);
expect(splitMessageParts('a [Split] b')).toEqual(['a', 'b']);
});
it('splitMessageParts trims and drops empty segments', () => {
expect(splitMessageParts(' x [SPLIT] y ')).toEqual(['x', 'y']);
expect(splitMessageParts('[SPLIT]only')).toEqual(['only']);
});
it('splitStreamingSegments keeps empty tail after delimiter', () => {
expect(splitStreamingSegments('first [SPLIT]')).toEqual(['first', '']);
});
it('lastSegmentPreview uses last non-empty part', () => {
expect(lastSegmentPreview('a [SPLIT] b', 10)).toBe('b');
expect(lastSegmentPreview('hello', 3)).toBe('hel');
});
});