deno.land / std@0.166.0 / encoding / jsonc_test.ts

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// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.
import * as JSONC from "./jsonc.ts";import { assertEquals, assertStrictEquals, assertThrows,} from "../testing/asserts.ts";
// The test code for the jsonc module can also be found in the testcode directory.
function assertValidParse( text: string, expected: unknown, options?: JSONC.ParseOptions,) { assertEquals(JSONC.parse(text, options), expected);}
function assertInvalidParse( text: string, // deno-lint-ignore no-explicit-any ErrorClass: new (...args: any[]) => Error, msgIncludes?: string, options?: JSONC.ParseOptions,) { assertThrows( () => JSONC.parse(text, options), ErrorClass, msgIncludes, );}
Deno.test({ name: "[jsonc] parse with single line comment", fn() { assertValidParse(`"aaa"//comment`, "aaa"); assertValidParse(`["aaa"//comment\n,"aaa"]`, ["aaa", "aaa"]); assertValidParse(`["aaa"//comment\r,"aaa"]`, ["aaa", "aaa"]); assertValidParse(`["aaa"//comment\n\r,"aaa"]`, ["aaa", "aaa"]); },});
Deno.test({ name: "[jsonc] parse with multi line comments", fn() { assertValidParse(`"aaa"/*comment*/`, "aaa"); assertValidParse(`100/*comment*/`, 100); assertValidParse(`"aaa/*comment*/"`, "aaa/*comment*/"); assertValidParse(`"aaa"/*comment\ncomment*/`, "aaa"); assertInvalidParse(`"aaa"/*`, SyntaxError); assertInvalidParse(`"aaa"/*/`, SyntaxError); },});
Deno.test({ name: "[jsonc] parse special character", fn() { assertValidParse(`"👪"`, "👪"); assertValidParse(`"🦕"`, "🦕"); assertValidParse( `"\u543e\u8f29\u306f\u732b\u3067\u3042\u308b\u3002"`, "\u543e\u8f29\u306f\u732b\u3067\u3042\u308b\u3002", ); assertValidParse( `"\\" \\\\ \\/ \\b \\f \\n \\r \\t"`, '" \\ \/ \b \f \n \r \t', ); },});
Deno.test({ name: "[jsonc] JSONCParser.#numberEndToken", fn() { // Correctly parses the letters after the numbers (` \t\r\n[]{}:,/`) assertValidParse(`{"a":0}`, { a: 0 }); assertValidParse(`[0]`, [0]); assertValidParse(`[0,]`, [0]); assertValidParse(`0//`, 0); assertValidParse(`0\r`, 0); assertValidParse(`0\n`, 0); assertValidParse(`0\t`, 0); assertValidParse(`0 `, 0); assertInvalidParse(`{"a":0{}`, SyntaxError); assertInvalidParse(`{"a":0[}`, SyntaxError); assertInvalidParse(`{"a":0:}`, SyntaxError); },});
Deno.test({ name: "[jsonc] error message", fn() { assertInvalidParse( `:::::`, SyntaxError, "Unexpected token : in JSONC at position 0", ); assertInvalidParse( `[`, SyntaxError, "Unexpected end of JSONC input", ); assertInvalidParse( `[]100`, SyntaxError, "Unexpected token 100 in JSONC at position 2", ); assertInvalidParse( `[aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa]`, SyntaxError, "Unexpected token aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa... in JSONC at position 1", ); },});
Deno.test({ name: "[jsonc] __proto__", fn() { // The result of JSON.parse and the result of JSONC.parse should match const json = JSON.parse('{"__proto__": 100}'); const jsonc = JSONC.parse('{"__proto__": 100}'); assertEquals(jsonc, json); assertEquals((jsonc as Record<string, number>).__proto__, 100); assertEquals((jsonc as Record<string, string>).__proto__, json.__proto__); assertStrictEquals(Object.getPrototypeOf(jsonc), Object.prototype); assertStrictEquals( Object.getPrototypeOf(jsonc), Object.getPrototypeOf(json), ); },});
Deno.test({ name: "[jsonc] duplicate object key", fn() { // The result of JSON.parse and the result of JSONC.parse should match const json = JSON.parse('{"aaa": 0, "aaa": 1}'); const jsonc = JSONC.parse('{"aaa": 0, "aaa": 1}'); assertEquals(jsonc, { aaa: 1 }); assertEquals(jsonc, json); },});
Deno.test({ name: "[jsonc] parse other than strings", fn() { assertInvalidParse( // deno-lint-ignore no-explicit-any undefined as any, SyntaxError, "Unexpected token undefined in JSONC at position 0", ); // deno-lint-ignore no-explicit-any assertValidParse(0 as any, 0); },});
Deno.test({ name: "[jsonc] parse consecutive backslash", fn() { assertValidParse('"foo\\\\"', "foo\\");
assertValidParse(' ["foo\\"", "bar"]', ['foo"', "bar"]); assertInvalidParse('["foo\\\\"", "bar"]', SyntaxError); assertValidParse(' ["foo\\\\\\"", "bar"]', ['foo\\"', "bar"]); assertInvalidParse('["foo\\\\\\\\"", "bar"]', SyntaxError);
assertInvalidParse('["foo\\", "bar"]', SyntaxError); assertValidParse(' ["foo\\\\", "bar"]', ["foo\\", "bar"]); assertInvalidParse('["foo\\\\\\", "bar"]', SyntaxError); assertValidParse(' ["foo\\\\\\\\", "bar"]', ["foo\\\\", "bar"]); },});
std
Deno standard library
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Tagged at
2 months ago