55 lines
1.9 KiB
TypeScript
55 lines
1.9 KiB
TypeScript
import assert from 'node:assert/strict'
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import test from 'node:test'
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import type { JsonValue } from './json-value.ts'
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import { serializeCanonicalJson } from './canonical-json.ts'
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test('sorts object keys recursively', () => {
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const value = { b: 1, a: { d: 2, c: 3 } }
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assert.equal(serializeCanonicalJson(value, 'compact'), '{"a":{"c":3,"d":2},"b":1}')
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})
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test('spells two-space indentation the way the corpus holds it', () => {
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const value = { content: [{ text: 'x', type: 'text' }], type: 'doc', version: 1 }
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assert.equal(
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serializeCanonicalJson(value, 'two-space'),
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[
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'{',
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' "content": [',
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' {',
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' "text": "x",',
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' "type": "text"',
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' }',
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' ],',
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' "type": "doc",',
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' "version": 1',
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'}',
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].join('\n'),
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)
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})
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test('keeps empty objects and arrays on one line in both spellings', () => {
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assert.equal(serializeCanonicalJson({ a: {}, b: [] }, 'two-space'), '{\n "a": {},\n "b": []\n}')
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assert.equal(serializeCanonicalJson({ a: {}, b: [] }, 'compact'), '{"a":{},"b":[]}')
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})
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test('leaves non-ASCII raw', () => {
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assert.equal(serializeCanonicalJson({ text: '🎉 räksmörgås' }, 'compact'), '{"text":"🎉 räksmörgås"}')
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})
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test('spells scalars in canonical JSON', () => {
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assert.equal(serializeCanonicalJson([null, true, false, 0, -1.5, 'a"b'], 'compact'), '[null,true,false,0,-1.5,"a\\"b"]')
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})
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test('spells a value nesting far past the levels a recursive walk survives', () => {
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const levels = 200000
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let array: JsonValue = 1
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let object: JsonValue = 1
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for (let level = 0; level < levels; level += 1) {
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array = [array]
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object = { a: object }
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}
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assert.equal(serializeCanonicalJson(array, 'compact'), `${'['.repeat(levels)}1${']'.repeat(levels)}`)
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assert.equal(serializeCanonicalJson(object, 'compact'), `${'{"a":'.repeat(levels)}1${'}'.repeat(levels)}`)
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})
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