korppi/test-conflict-detection.html at main · b-rodrigues/korppi · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Conflict Detection Test</title>
    <style>
        body {
            font-family: monospace;
            padding: 20px;
            max-width: 800px;
            margin: 0 auto;
        }
        .test {
            margin: 20px 0;
            padding: 10px;
            border: 1px solid #ccc;
            border-radius: 5px;
        }
        .test.pass {
            background: #d4edda;
            border-color: #28a745;
        }
        .test.fail {
            background: #f8d7da;
            border-color: #dc3545;
        }
        h1 { color: #333; }
        h2 { color: #555; font-size: 1.2em; }
        pre { background: #f5f5f5; padding: 10px; overflow-x: auto; }
    </style>
</head>
<body>
    <h1>Conflict Detection Test Suite</h1>
    <div id="test-results"></div>

    <script type="module">
        import { detectPatchConflicts, isInConflict, getConflictGroup, formatConflictInfo } from './src/conflict-detection.js';

        const results = document.getElementById('test-results');

        function test(name, fn) {
            try {
                fn();
                results.innerHTML += `<div class="test pass"><h2>✓ ${name}</h2><p>PASSED</p></div>`;
            } catch (e) {
                results.innerHTML += `<div class="test fail"><h2>✗ ${name}</h2><p>FAILED: ${e.message}</p><pre>${e.stack}</pre></div>`;
            }
        }

        function assert(condition, message) {
            if (!condition) {
                throw new Error(message || 'Assertion failed');
            }
        }

        // Test 1: No conflicts when patches don't overlap
        test('No conflicts with non-overlapping patches', () => {
            const patches = [
                {
                    id: 1,
                    author: 'Alice',
                    data: { snapshot: 'Hello world' }
                },
                {
                    id: 2,
                    author: 'Bob',
                    data: { snapshot: 'Hello world from Bob' }
                }
            ];

            const result = detectPatchConflicts(patches);
            assert(result.conflictGroups.length === 0, 'Should have no conflict groups');
            assert(result.patchConflicts.size === 0, 'Should have no patch conflicts');
        });

        // Test 2: Detect conflicts when patches modify same text
        test('Detect conflicts with overlapping edits', () => {
            const patches = [
                {
                    id: 1,
                    author: 'Alice',
                    data: { snapshot: 'Hello world' }
                },
                {
                    id: 2,
                    author: 'Alice',
                    data: { snapshot: 'Hello beautiful world' }
                },
                {
                    id: 3,
                    author: 'Bob',
                    data: { snapshot: 'Hello amazing world' }
                }
            ];

            const result = detectPatchConflicts(patches);
            // Patches 2 and 3 should conflict (both modify "world")
            assert(result.patchConflicts.size >= 1, 'Should detect conflicts');
        });

        // Test 3: Same author edits don't conflict
        test('Same author edits do not create conflicts', () => {
            const patches = [
                {
                    id: 1,
                    author: 'Alice',
                    data: { snapshot: 'Hello' }
                },
                {
                    id: 2,
                    author: 'Alice',
                    data: { snapshot: 'Hello world' }
                },
                {
                    id: 3,
                    author: 'Alice',
                    data: { snapshot: 'Hello wonderful world' }
                }
            ];

            const result = detectPatchConflicts(patches);
            assert(result.conflictGroups.length === 0, 'Same author should not create conflicts');
        });

        // Test 4: Check isInConflict function
        test('isInConflict correctly identifies conflicting patches', () => {
            const patches = [
                {
                    id: 1,
                    author: 'Alice',
                    data: { snapshot: 'Hello world' }
                },
                {
                    id: 2,
                    author: 'Alice',
                    data: { snapshot: 'Hello beautiful world' }
                },
                {
                    id: 3,
                    author: 'Bob',
                    data: { snapshot: 'Hello amazing world' }
                }
            ];

            const result = detectPatchConflicts(patches);

            // Check if detected conflicts are accessible
            if (result.patchConflicts.size > 0) {
                const conflictingId = Array.from(result.patchConflicts.keys())[0];
                assert(isInConflict(conflictingId, result.patchConflicts),
                    'isInConflict should return true for conflicting patch');
            }

            assert(!isInConflict(999, result.patchConflicts),
                'isInConflict should return false for non-conflicting patch');
        });

        // Test 5: Multiple conflict groups
        test('Multiple separate conflict groups', () => {
            const patches = [
                { id: 1, author: 'Alice', data: { snapshot: 'Line 1\nLine 2\nLine 3' } },
                { id: 2, author: 'Alice', data: { snapshot: 'Line 1 modified\nLine 2\nLine 3' } },
                { id: 3, author: 'Bob', data: { snapshot: 'Line 1 changed\nLine 2\nLine 3' } },
                { id: 4, author: 'Charlie', data: { snapshot: 'Line 1\nLine 2\nLine 3 updated' } },
                { id: 5, author: 'David', data: { snapshot: 'Line 1\nLine 2\nLine 3 altered' } }
            ];

            const result = detectPatchConflicts(patches);

            // Should have conflicts between different authors editing same sections
            // Note: Actual conflict detection depends on text overlap
            assert(result.patchConflicts.size >= 0, 'Should complete without error');
            console.log('  Detected conflicts:', result.patchConflicts.size, 'patches in', result.conflictGroups.length, 'groups');
        });

        // Test 6: Format conflict info
        test('formatConflictInfo produces correct output', () => {
            const info = formatConflictInfo(1, [2, 3, 4]);
            assert(info.includes('#2'), 'Should include patch #2');
            assert(info.includes('#3'), 'Should include patch #3');
            assert(info.includes('#4'), 'Should include patch #4');
            assert(info.includes('⚠️'), 'Should include warning icon');
        });

        // Test 7: Empty patches
        test('Handle empty patch list', () => {
            const result = detectPatchConflicts([]);
            assert(result.conflictGroups.length === 0, 'Should handle empty list');
            assert(result.patchConflicts.size === 0, 'Should have no conflicts');
        });

        // Test 8: Single patch
        test('Handle single patch', () => {
            const patches = [
                { id: 1, author: 'Alice', data: { snapshot: 'Hello' } }
            ];
            const result = detectPatchConflicts(patches);
            assert(result.conflictGroups.length === 0, 'Should have no conflicts with single patch');
        });

        console.log('All tests completed!');
    </script>
</body>
</html>