97386d20b5
* fix release script * fix svgcanvas edge cases * Update path-actions.js * add modern js * update deps * Update CHANGES.md
49 lines
1.8 KiB
JavaScript
49 lines
1.8 KiB
JavaScript
import { describe, expect, it } from 'vitest'
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import dataStorage from '../../packages/svgcanvas/core/dataStorage.js'
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describe('dataStorage', () => {
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it('stores, checks and retrieves keyed values per element', () => {
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const el1 = document.createElement('div')
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const el2 = document.createElement('div')
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dataStorage.put(el1, 'color', 'red')
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dataStorage.put(el1, 'count', 3)
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dataStorage.put(el2, 'color', 'blue')
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expect(dataStorage.has(el1, 'color')).toBe(true)
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expect(dataStorage.has(el1, 'missing')).toBe(false)
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expect(dataStorage.get(el1, 'color')).toBe('red')
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expect(dataStorage.get(el1, 'count')).toBe(3)
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expect(dataStorage.get(el2, 'color')).toBe('blue')
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})
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it('returns safe defaults for missing or invalid elements', () => {
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const el = document.createElement('div')
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expect(dataStorage.get(el, 'missing')).toBeUndefined()
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expect(dataStorage.has(el, 'missing')).toBe(false)
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expect(dataStorage.remove(el, 'missing')).toBe(false)
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expect(dataStorage.get(null, 'missing')).toBeUndefined()
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expect(dataStorage.has(null, 'missing')).toBe(false)
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expect(dataStorage.remove(null, 'missing')).toBe(false)
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expect(() => dataStorage.put(null, 'key', 'value')).not.toThrow()
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})
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it('removes values and cleans up empty element maps', () => {
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const el = document.createElement('span')
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dataStorage.put(el, 'foo', 1)
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dataStorage.put(el, 'bar', 2)
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expect(dataStorage.remove(el, 'foo')).toBe(true)
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expect(dataStorage.has(el, 'foo')).toBe(false)
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expect(dataStorage.get(el, 'bar')).toBe(2)
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// Removing the last key should drop the element from storage entirely.
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expect(dataStorage.remove(el, 'bar')).toBe(true)
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expect(dataStorage.has(el, 'bar')).toBe(false)
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expect(dataStorage.get(el, 'bar')).toBeUndefined()
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})
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})
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