fix: unit tests

src/utils/__tests__/virtualListUtils.test.ts

@@ -5,11 +5,8 @@ import type { RenderedTreeExplorerNode } from '@/types/treeExplorerTypes'
 import type { WindowRange } from '../virtualListUtils'
 import {
   applyWindow,
-  calculateScrollPercentage,
   calculateSpacerHeights,
-  createInitialWindowRange,
-  shiftWindowBackward,
-  shiftWindowForward
+  createInitialWindowRange
 } from '../virtualListUtils'
 
 describe('virtualListUtils', () => {
@@ -30,58 +27,6 @@ describe('virtualListUtils', () => {
     })
   })
 
-  describe('shiftWindowForward', () => {
-    it('shifts window forward by buffer size', () => {
-      const currentRange: WindowRange = { start: 0, end: 60 }
-      const result = shiftWindowForward(currentRange, 100, 20, 60)
-      expect(result).toEqual({ start: 20, end: 80 })
-    })
-
-    it('returns null when already at end', () => {
-      const currentRange: WindowRange = { start: 40, end: 100 }
-      const result = shiftWindowForward(currentRange, 100, 20, 60)
-      expect(result).toBeNull()
-    })
-
-    it('caps end at totalChildren', () => {
-      const currentRange: WindowRange = { start: 30, end: 90 }
-      const result = shiftWindowForward(currentRange, 100, 20, 60)
-      expect(result).toEqual({ start: 40, end: 100 })
-    })
-
-    it('adjusts start to maintain window size when near end', () => {
-      const currentRange: WindowRange = { start: 20, end: 80 }
-      const result = shiftWindowForward(currentRange, 95, 20, 60)
-      expect(result).toEqual({ start: 35, end: 95 })
-    })
-  })
-
-  describe('shiftWindowBackward', () => {
-    it('shifts window backward by buffer size', () => {
-      const currentRange: WindowRange = { start: 40, end: 100 }
-      const result = shiftWindowBackward(currentRange, 100, 20, 60)
-      expect(result).toEqual({ start: 20, end: 80 })
-    })
-
-    it('returns null when already at start', () => {
-      const currentRange: WindowRange = { start: 0, end: 60 }
-      const result = shiftWindowBackward(currentRange, 100, 20, 60)
-      expect(result).toBeNull()
-    })
-
-    it('caps start at 0', () => {
-      const currentRange: WindowRange = { start: 10, end: 70 }
-      const result = shiftWindowBackward(currentRange, 100, 20, 60)
-      expect(result).toEqual({ start: 0, end: 60 })
-    })
-
-    it('caps end at totalChildren when window would exceed', () => {
-      const currentRange: WindowRange = { start: 20, end: 50 }
-      const result = shiftWindowBackward(currentRange, 50, 20, 60)
-      expect(result).toEqual({ start: 0, end: 50 })
-    })
-  })
-
   describe('calculateSpacerHeights', () => {
     it('calculates correct spacer heights', () => {
       const range: WindowRange = { start: 20, end: 80 }
@@ -119,35 +64,6 @@ describe('virtualListUtils', () => {
       })
     })
   })
-
-  describe('calculateScrollPercentage', () => {
-    it('calculates percentage correctly', () => {
-      const result = calculateScrollPercentage(500, 2000, 400, 0, 0)
-      expect(result).toBeCloseTo(0.45)
-    })
-
-    it('adjusts for top spacer height', () => {
-      const result = calculateScrollPercentage(600, 2000, 400, 200, 200)
-      // realContentHeight = 2000 - 200 - 200 = 1600
-      // adjustedScrollTop = max(0, 600 - 200) = 400
-      // percentage = (400 + 400) / 1600 = 0.5
-      expect(result).toBeCloseTo(0.5)
-    })
-
-    it('returns 1 when realContentHeight is 0', () => {
-      const result = calculateScrollPercentage(0, 100, 50, 50, 50)
-      expect(result).toBe(1)
-    })
-
-    it('handles scrollTop less than topSpacerHeight', () => {
-      const result = calculateScrollPercentage(100, 2000, 400, 200, 200)
-      // adjustedScrollTop = max(0, 100 - 200) = 0
-      // realContentHeight = 1600
-      // percentage = (0 + 400) / 1600 = 0.25
-      expect(result).toBeCloseTo(0.25)
-    })
-  })
-
   describe('applyWindow', () => {
     const createMockNode = (
       key: string,