File size: 4,461 Bytes
52efc7b
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
/**
 * @license
 * Copyright 2026 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */

import { describe, it, expect } from 'vitest';
import { sortSessions, findTextMatches, filterSessions } from './utils.js';
import type { SessionInfo } from '../../../utils/sessionUtils.js';

describe('SessionBrowser utils', () => {
  const createTestSession = (overrides: Partial<SessionInfo>): SessionInfo => ({
    id: 'test-id',
    file: 'test-file',
    fileName: 'test-file.json',
    startTime: '2025-01-01T10:00:00Z',
    lastUpdated: '2025-01-01T10:00:00Z',
    messageCount: 1,
    displayName: 'Test Session',
    firstUserMessage: 'Hello',
    isCurrentSession: false,
    index: 0,
    ...overrides,
  });

  describe('sortSessions', () => {
    it('sorts by date ascending/descending', () => {
      const older = createTestSession({
        id: '1',
        lastUpdated: '2025-01-01T10:00:00Z',
      });
      const newer = createTestSession({
        id: '2',
        lastUpdated: '2025-01-02T10:00:00Z',
      });

      const desc = sortSessions([older, newer], 'date', false);
      expect(desc[0].id).toBe('2');

      const asc = sortSessions([older, newer], 'date', true);
      expect(asc[0].id).toBe('1');
    });

    it('sorts by message count ascending/descending', () => {
      const more = createTestSession({ id: '1', messageCount: 10 });
      const less = createTestSession({ id: '2', messageCount: 2 });

      const desc = sortSessions([more, less], 'messages', false);
      expect(desc[0].id).toBe('1');

      const asc = sortSessions([more, less], 'messages', true);
      expect(asc[0].id).toBe('2');
    });

    it('sorts by name ascending/descending', () => {
      const apple = createTestSession({ id: '1', displayName: 'Apple' });
      const banana = createTestSession({ id: '2', displayName: 'Banana' });

      const asc = sortSessions([apple, banana], 'name', true);
      expect(asc[0].id).toBe('2'); // Reversed alpha

      const desc = sortSessions([apple, banana], 'name', false);
      expect(desc[0].id).toBe('1');
    });
  });

  describe('findTextMatches', () => {
    it('returns empty array if query is practically empty', () => {
      expect(
        findTextMatches([{ role: 'user', content: 'hello world' }], '   '),
      ).toEqual([]);
    });

    it('finds simple matches with surrounding context', () => {
      const messages: Array<{ role: 'user' | 'assistant'; content: string }> = [
        { role: 'user', content: 'What is the capital of France?' },
      ];

      const matches = findTextMatches(messages, 'capital');
      expect(matches.length).toBe(1);
      expect(matches[0].match).toBe('capital');
      expect(matches[0].before.endsWith('the ')).toBe(true);
      expect(matches[0].after.startsWith(' of')).toBe(true);
      expect(matches[0].role).toBe('user');
    });

    it('finds multiple matches in a single message', () => {
      const messages: Array<{ role: 'user' | 'assistant'; content: string }> = [
        { role: 'user', content: 'test here test there' },
      ];

      const matches = findTextMatches(messages, 'test');
      expect(matches.length).toBe(2);
    });
  });

  describe('filterSessions', () => {
    it('returns all sessions when query is blank and clears existing snippets', () => {
      const sessions = [createTestSession({ id: '1', matchCount: 5 })];

      const result = filterSessions(sessions, '  ');
      expect(result.length).toBe(1);
      expect(result[0].matchCount).toBeUndefined();
    });

    it('filters by displayName', () => {
      const session1 = createTestSession({
        id: '1',
        displayName: 'Cats and Dogs',
      });
      const session2 = createTestSession({ id: '2', displayName: 'Fish' });

      const result = filterSessions([session1, session2], 'cat');
      expect(result.length).toBe(1);
      expect(result[0].id).toBe('1');
    });

    it('populates match snippets if it matches content inside messages array', () => {
      const sessionWithMessages = createTestSession({
        id: '1',
        displayName: 'Unrelated Title',
        fullContent: 'This mentions a giraffe',
        messages: [{ role: 'user', content: 'This mentions a giraffe' }],
      });

      const result = filterSessions([sessionWithMessages], 'giraffe');
      expect(result.length).toBe(1);
      expect(result[0].matchCount).toBe(1);
      expect(result[0].matchSnippets?.[0].match).toBe('giraffe');
    });
  });
});