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79ed62f | 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 | import { renderHook, act } from '@testing-library/react';
import { describe, it, expect, vi, beforeEach } from 'vitest';
import { fireEvent } from '@testing-library/react';
import { useResizablePanels } from '../../../src/hooks/useResizablePanels';
describe('useResizablePanels', () => {
beforeEach(() => {
localStorage.clear();
vi.clearAllMocks();
});
it('FE-HOOK-PANELS-001: default leftWidth is 340 when localStorage is empty', () => {
const { result } = renderHook(() => useResizablePanels());
expect(result.current.leftWidth).toBe(340);
});
it('FE-HOOK-PANELS-002: default rightWidth is 300 when localStorage is empty', () => {
const { result } = renderHook(() => useResizablePanels());
expect(result.current.rightWidth).toBe(300);
});
it('FE-HOOK-PANELS-003: leftWidth loaded from localStorage when set', () => {
localStorage.setItem('sidebarLeftWidth', '400');
const { result } = renderHook(() => useResizablePanels());
expect(result.current.leftWidth).toBe(400);
});
it('FE-HOOK-PANELS-004: rightWidth loaded from localStorage when set', () => {
localStorage.setItem('sidebarRightWidth', '350');
const { result } = renderHook(() => useResizablePanels());
expect(result.current.rightWidth).toBe(350);
});
it('FE-HOOK-PANELS-005: startResizeLeft sets body cursor to col-resize', () => {
const { result } = renderHook(() => useResizablePanels());
act(() => {
result.current.startResizeLeft();
});
expect(document.body.style.cursor).toBe('col-resize');
});
it('FE-HOOK-PANELS-006: startResizeRight sets body cursor to col-resize', () => {
const { result } = renderHook(() => useResizablePanels());
act(() => {
result.current.startResizeRight();
});
expect(document.body.style.cursor).toBe('col-resize');
});
it('FE-HOOK-PANELS-007: mousedown → mousemove → mouseup updates leftWidth and persists to localStorage', async () => {
const { result } = renderHook(() => useResizablePanels());
act(() => {
result.current.startResizeLeft();
});
// mousemove with clientX=350 → w = max(200, min(520, 350-10)) = 340
act(() => {
fireEvent.mouseMove(document, { clientX: 350 });
});
expect(result.current.leftWidth).toBe(340);
expect(localStorage.getItem('sidebarLeftWidth')).toBe('340');
act(() => {
fireEvent.mouseUp(document);
});
expect(document.body.style.cursor).toBe('');
});
it('FE-HOOK-PANELS-008: mousedown → mousemove → mouseup updates rightWidth and persists to localStorage', () => {
// Set window.innerWidth for the right panel calculation
Object.defineProperty(window, 'innerWidth', { writable: true, configurable: true, value: 1200 });
const { result } = renderHook(() => useResizablePanels());
act(() => {
result.current.startResizeRight();
});
// mousemove with clientX=800 → w = max(200, min(520, 1200-800-10)) = max(200, min(520, 390)) = 390
act(() => {
fireEvent.mouseMove(document, { clientX: 800 });
});
expect(result.current.rightWidth).toBe(390);
expect(localStorage.getItem('sidebarRightWidth')).toBe('390');
act(() => {
fireEvent.mouseUp(document);
});
expect(document.body.style.cursor).toBe('');
});
it('FE-HOOK-PANELS-009: min width constraint (200) is enforced for left panel', () => {
const { result } = renderHook(() => useResizablePanels());
act(() => {
result.current.startResizeLeft();
});
// clientX=50 → w = max(200, min(520, 50-10)) = max(200, 40) = 200
act(() => {
fireEvent.mouseMove(document, { clientX: 50 });
});
expect(result.current.leftWidth).toBe(200);
});
it('FE-HOOK-PANELS-010: max width constraint (520) is enforced for left panel', () => {
const { result } = renderHook(() => useResizablePanels());
act(() => {
result.current.startResizeLeft();
});
// clientX=600 → w = max(200, min(520, 600-10)) = min(520, 590) = 520
act(() => {
fireEvent.mouseMove(document, { clientX: 600 });
});
expect(result.current.leftWidth).toBe(520);
});
it('FE-HOOK-PANELS-011: mousemove without prior startResize does nothing', () => {
const { result } = renderHook(() => useResizablePanels());
const initialLeft = result.current.leftWidth;
const initialRight = result.current.rightWidth;
act(() => {
fireEvent.mouseMove(document, { clientX: 400 });
});
expect(result.current.leftWidth).toBe(initialLeft);
expect(result.current.rightWidth).toBe(initialRight);
});
it('FE-HOOK-PANELS-012: body userSelect set to none during resize, cleared on mouseup', () => {
const { result } = renderHook(() => useResizablePanels());
act(() => {
result.current.startResizeLeft();
});
expect(document.body.style.userSelect).toBe('none');
act(() => {
fireEvent.mouseUp(document);
});
expect(document.body.style.userSelect).toBe('');
});
it('FE-HOOK-PANELS-013: leftCollapsed and rightCollapsed default to false', () => {
const { result } = renderHook(() => useResizablePanels());
expect(result.current.leftCollapsed).toBe(false);
expect(result.current.rightCollapsed).toBe(false);
});
it('FE-HOOK-PANELS-014: setLeftCollapsed and setRightCollapsed are exposed', () => {
const { result } = renderHook(() => useResizablePanels());
expect(result.current.setLeftCollapsed).toBeTypeOf('function');
expect(result.current.setRightCollapsed).toBeTypeOf('function');
});
});
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