deno.land / std@0.224.0 / ini / parse_test.ts

parse_test.ts
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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
import { IniMap, parse, type ParseOptions } from "./mod.ts";import { assert, assertEquals, assertStrictEquals, assertThrows,} from "../assert/mod.ts";
function assertValidParse( text: string, expected: unknown, options?: ParseOptions,) { assertEquals(parse(text, options), expected);}
function assertInvalidParse( text: string, // deno-lint-ignore no-explicit-any ErrorClass: new (...args: any[]) => Error, msgIncludes?: string, options?: ParseOptions,) { assertThrows( () => parse(text, options), ErrorClass, msgIncludes, );}
Deno.test({ name: "parse()", fn() { assertValidParse(`a=100`, { a: 100 }, { reviver: (_, value) => Number(value), }); assertValidParse(`a=b\n[section]\nc=d`, { a: "b", section: { c: "d" } }); },});
Deno.test({ name: "parse() with comment", fn() { assertValidParse(`#comment\na=b`, { a: "b" }); assertValidParse(`;comment\ra=b`, { a: "b" }); assertValidParse(`//comment\n\ra=b`, { a: "b" }); },});
Deno.test({ name: "parse() special character", fn() { assertValidParse(`a=👪`, { a: "👪" }); assertValidParse(`a=🦕`, { a: "🦕" }); assertValidParse( `a=\u543e\u8f29\u306f\u732b\u3067\u3042\u308b\u3002`, { a: "\u543e\u8f29\u306f\u732b\u3067\u3042\u308b\u3002" }, ); },});
Deno.test({ name: "parse() throws error with correct messages", fn() { assertInvalidParse( `:::::`, SyntaxError, "Unexpected token : in INI at line 1", ); assertInvalidParse( `[`, SyntaxError, "Unexpected end of INI section at line 1", ); assertInvalidParse( `[]`, SyntaxError, "Unexpected empty section name at line 1", ); assertInvalidParse( `=100`, SyntaxError, "Unexpected empty key name at line 1", ); },});
Deno.test({ name: "parse() handles __proto__", fn() { // The result of JSON.parse and the result of INI.parse should match const json = JSON.parse('{"__proto__": 100}'); const ini = parse("__proto__ = 100", { reviver: (key, value) => { if (key === "__proto__") return Number(value); }, }); assertEquals(ini, json); assertEquals((ini as Record<string, number>).__proto__, 100); assertEquals((ini as Record<string, string>).__proto__, json.__proto__); assertStrictEquals(Object.getPrototypeOf(ini), Object.prototype); assertStrictEquals( Object.getPrototypeOf(ini), Object.getPrototypeOf(json), ); },});
Deno.test({ name: "parse() duplicates object key", fn() { // The result of JSON.parse and the result of INI.parse should match const json = JSON.parse('{"aaa": 0, "aaa": 1}'); const ini = parse("aaa=0\naaa=1", { reviver: (_, value) => Number(value), }); assertEquals(ini, { aaa: 1 }); assertEquals(ini, json); assertEquals( IniMap.from("#comment\naaa=0\naaa=1", { deduplicate: true }) .toString(), "#comment\naaa=1", ); },});
Deno.test({ name: "parse() does not parse other than strings", fn() { assertInvalidParse( // deno-lint-ignore no-explicit-any undefined as any, SyntaxError, "Unexpected token undefined in INI at line 0", ); assertInvalidParse( // deno-lint-ignore no-explicit-any 0 as any, SyntaxError, "Unexpected token 0 in INI at line 0", ); },});
Deno.test({ name: "parse() uses Object.defineProperty when setting object property", async fn() { // Tests if the value is set using `Object.defineProperty(target, key, {value})` // instead of `target[key] = value` when parsing the object. // This makes a difference in behavior when __proto__ is set in Node.js and browsers. // Using `Object.defineProperty` avoids prototype pollution in Node.js and browsers. // reference: https://github.com/advisories/GHSA-9c47-m6qq-7p4h (CVE-2022-46175)
const testCode = ` Object.defineProperty(Object.prototype, "__proto__", { set() { throw new Error("Don't try to set the value directly to the key __proto__.") } }); import { parse } from "${import.meta.resolve("./parse.ts")}"; parse('[__proto__]\\nisAdmin = true'); `; const command = new Deno.Command(Deno.execPath(), { stdout: "inherit", stderr: "inherit", args: ["eval", "--no-lock", testCode], }); const { success } = await command.output(); assert(success); },});
std

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Tagged at
6 months ago