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https://github.com/NousResearch/hermes-agent.git
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82 lines
3 KiB
TypeScript
82 lines
3 KiB
TypeScript
import { describe, expect, it } from 'vitest'
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import { cellAt, CellWidth, CharPool, createScreen, HyperlinkPool, setCellAt, StylePool } from './screen.js'
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import {
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applySelectionOverlay,
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createSelectionState,
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getSelectedText,
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startSelection,
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updateSelection
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} from './selection.js'
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const screenWithText = () => {
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const styles = new StylePool()
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const screen = createScreen(10, 3, styles, new CharPool(), new HyperlinkPool())
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setCellAt(screen, 2, 1, { char: 'h', hyperlink: undefined, styleId: screen.emptyStyleId, width: CellWidth.Narrow })
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setCellAt(screen, 3, 1, { char: 'i', hyperlink: undefined, styleId: screen.emptyStyleId, width: CellWidth.Narrow })
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return { screen, styles }
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}
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describe('selection whitespace handling', () => {
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it('does not copy whitespace-only selections', () => {
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const { screen } = screenWithText()
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const selection = createSelectionState()
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startSelection(selection, 0, 0)
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updateSelection(selection, 9, 0)
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expect(getSelectedText(selection, screen)).toBe('')
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})
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it('trims outer drag padding while preserving selected content', () => {
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const { screen } = screenWithText()
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const selection = createSelectionState()
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startSelection(selection, 0, 1)
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updateSelection(selection, 9, 1)
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expect(getSelectedText(selection, screen)).toBe('hi')
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})
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it('preserves selected indentation when spaces are rendered content', () => {
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const styles = new StylePool()
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const screen = createScreen(10, 1, styles, new CharPool(), new HyperlinkPool())
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const selection = createSelectionState()
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setCellAt(screen, 0, 0, { char: ' ', hyperlink: undefined, styleId: screen.emptyStyleId, width: CellWidth.Narrow })
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setCellAt(screen, 1, 0, { char: ' ', hyperlink: undefined, styleId: screen.emptyStyleId, width: CellWidth.Narrow })
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setCellAt(screen, 2, 0, { char: 'x', hyperlink: undefined, styleId: screen.emptyStyleId, width: CellWidth.Narrow })
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startSelection(selection, 0, 0)
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updateSelection(selection, 9, 0)
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expect(getSelectedText(selection, screen)).toBe(' x')
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})
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it('clamps copied selection bounds to screen width', () => {
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const { screen } = screenWithText()
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const selection = createSelectionState()
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startSelection(selection, 0, 1)
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updateSelection(selection, 99, 1)
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expect(getSelectedText(selection, screen)).toBe('hi')
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})
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it('does not paint selection background on leading/trailing empty cells or empty rows', () => {
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const { screen, styles } = screenWithText()
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const selection = createSelectionState()
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startSelection(selection, 0, 0)
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updateSelection(selection, 9, 2)
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applySelectionOverlay(screen, selection, styles)
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expect(cellAt(screen, 0, 0)?.styleId).toBe(screen.emptyStyleId)
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expect(cellAt(screen, 0, 1)?.styleId).toBe(screen.emptyStyleId)
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expect(cellAt(screen, 2, 1)?.styleId).not.toBe(screen.emptyStyleId)
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expect(cellAt(screen, 4, 1)?.styleId).toBe(screen.emptyStyleId)
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expect(cellAt(screen, 0, 2)?.styleId).toBe(screen.emptyStyleId)
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})
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})
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