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| import { describe, expect, it } from "vitest"; | |
| import { | |
| canonicalizeJson, | |
| sha256CanonicalJson, | |
| sha256Hex, | |
| } from "./canonical-json.js"; | |
| describe("canonicalizeJson", () => { | |
| it("uses RFC 8785 property ordering", () => { | |
| expect(canonicalizeJson({ b: 1, a: 2 })).toBe('{"a":2,"b":1}'); | |
| }); | |
| it("rejects values outside the JSON data model", () => { | |
| expect(() => canonicalizeJson({ value: Number.NaN })).toThrow(TypeError); | |
| expect(() => canonicalizeJson({ value: undefined } as never)).toThrow( | |
| TypeError, | |
| ); | |
| expect(() => canonicalizeJson("\ud800")).toThrow(/Unicode/); | |
| }); | |
| it("matches the RFC 8785 serialization sample and stable SHA-256 helpers", () => { | |
| const value = { | |
| numbers: [Number("333333333.33333329"), 1e30, 4.5, 2e-3, 1e-27], | |
| string: '€$\u000f\nA\'B"\\"/', | |
| literals: [null, true, false], | |
| }; | |
| const expected = | |
| '{"literals":[null,true,false],"numbers":[333333333.3333333,1e+30,4.5,0.002,1e-27],"string":"€$\\u000f\\nA\'B\\"\\\\\\"/"}'; | |
| expect(canonicalizeJson(value)).toBe(expected); | |
| expect(sha256CanonicalJson(value)).toBe(sha256Hex(expected)); | |
| expect(sha256Hex("abc")).toBe( | |
| "ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad", | |
| ); | |
| }); | |
| }); | |