34 lines
1.4 KiB
TypeScript
34 lines
1.4 KiB
TypeScript
import type { LocalSymbol, SourceRange } from './contract'
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import { describe, expect, it } from 'vitest'
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import { definitionFor, symbolAt, symbolOccurrences } from './localSymbols'
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function range(startIndex: number, endIndex: number): SourceRange {
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return { startIndex, endIndex }
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}
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// out=1（0-3）；echo $out（10-13）；out=2（15-18）；echo $out（25-28）
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const OUT: LocalSymbol = { definitions: [range(0, 3), range(15, 18)], occurrences: [range(0, 3), range(10, 13), range(15, 18), range(25, 28)] }
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const URL: LocalSymbol = { definitions: [range(40, 43)], occurrences: [range(30, 33), range(40, 43)] }
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describe('语言插件认出的同一文件里的名字', () => {
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it('找盖住位置的名字；名字外面没有', () => {
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expect(symbolAt([URL, OUT], 11)).toBe(OUT)
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expect(symbolAt([URL, OUT], 13)).toBeUndefined()
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})
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it('跳到之前最近的一处定义；前面没有定义就跳到第一处', () => {
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expect(definitionFor(OUT, 11)).toEqual(range(0, 3))
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expect(definitionFor(OUT, 26)).toEqual(range(15, 18))
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expect(definitionFor(URL, 31)).toEqual(range(40, 43))
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})
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it('各处出现：定义处算写，别处算读', () => {
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expect(symbolOccurrences(OUT)).toEqual([
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{ start: 0, end: 3, kind: 'write' },
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{ start: 10, end: 13, kind: 'read' },
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{ start: 15, end: 18, kind: 'write' },
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{ start: 25, end: 28, kind: 'read' },
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])
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})
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})
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