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47 lines
1.8 KiB
JavaScript
47 lines
1.8 KiB
JavaScript
import { describe, expect, it } from 'vitest'
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import { parseDaemonProtocolFacts } from './daemon-protocol-facts.mjs'
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function source(current, previous) {
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return [
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`export const PROTOCOL_VERSION = ${current}`,
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'export const OTHER_DAEMON_PROTOCOL_VERSION = 5',
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`export const PREVIOUS_DAEMON_PROTOCOL_VERSIONS = [${previous}] as const`
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].join('\n')
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}
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const facts = (protocolVersion, previousProtocolVersions) => ({
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protocolVersion,
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previousProtocolVersions
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})
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describe('parseDaemonProtocolFacts', () => {
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it('parses multi-line lists and type annotations', () => {
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const text = [
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'// PROTOCOL_VERSION = 99 in a comment is ignored',
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'export const PROTOCOL_VERSION: number = 4',
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'export const PREVIOUS_DAEMON_PROTOCOL_VERSIONS: readonly number[] = [',
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' 1, 2,',
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' 3,',
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']'
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].join('\n')
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expect(parseDaemonProtocolFacts(text)).toEqual(facts(4, [1, 2, 3]))
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})
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it.each([
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['a missing PROTOCOL_VERSION', 'export const PREVIOUS_DAEMON_PROTOCOL_VERSIONS = [1]'],
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['a missing previous list', 'export const PROTOCOL_VERSION = 2'],
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['a non-literal PROTOCOL_VERSION', source('NEXT_VERSION', '1')],
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['a spread in the previous list', source(3, '...LEGACY, 2')],
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['a comment in the previous list', source(3, '1, // legacy\n 2')],
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['an empty previous list past v1', source(3, '')],
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['a previous version at or above current', source(3, '1, 2, 3')],
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['a duplicate declaration', `${source(3, '1, 2')}\nexport const PROTOCOL_VERSION = 4`],
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[
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'a list moved behind a constant',
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'export const PROTOCOL_VERSION = 3\nexport const PREVIOUS_DAEMON_PROTOCOL_VERSIONS = LEGACY'
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]
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])('fails loudly on %s', (_name, text) => {
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expect(() => parseDaemonProtocolFacts(text, 'fixture.ts')).toThrow(/fixture\.ts/)
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})
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})
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