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// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
import { assertEquals } from "../testing/asserts.ts";import { TextDelimiterStream } from "../streams/text_delimiter_stream.ts";import { TextLineStream } from "../streams/text_line_stream.ts";import { JsonParseStream } from "./json_parse_stream.ts";import { assertInvalidParse, assertValidParse } from "./_test_common.ts";
Deno.test({  name: "[json] JsonParseStream",  async fn() {    await assertValidParse(      JsonParseStream,      ['{"foo": "bar"}', '["foo"]', '"foo"', "0", "null", "true", "false"],      [{ foo: "bar" }, ["foo"], "foo", 0, null, true, false],    );  },});
Deno.test({  name: "[json] JsonParseStream: empty line",  async fn() {    await assertValidParse(      JsonParseStream,      [" \t\r\n", ""],      [],    );  },});
Deno.test({  name: "[json] JsonParseStream: special character",  async fn() {    await assertValidParse(      JsonParseStream,      ['"👪"', '"🦕"', '"\u3053\u3093\u306b\u3061\u306f"'],      ["👪", "🦕", "\u3053\u3093\u306b\u3061\u306f"],    );  },});
Deno.test({  name: "[json] JsonParseStream: expect error",  async fn() {    await assertInvalidParse(      JsonParseStream,      ['{"foo": "bar"}', '{"foo": '],      {},      SyntaxError,      `Unexpected end of JSON input (parsing: '{"foo": ')`,    );  },});
Deno.test({  name: "[json] parse: testdata(jsonl)",  async fn() {    // Read the test data file    const url = "./testdata/test.jsonl";    const { body } = await fetch(new URL(url, import.meta.url).toString());    const readable = body!      .pipeThrough(new TextDecoderStream())      .pipeThrough(new TextLineStream())      .pipeThrough(new JsonParseStream());
    const result = [];    for await (const data of readable) {      result.push(data);    }
    assertEquals(result, [      { "hello": "world" },      ["👋", "👋", "👋"],      { "deno": "🦕" },    ]);  },});
Deno.test({  name: "[json] parse: testdata(ndjson)",  async fn() {    // Read the test data file    const url = "./testdata/test.ndjson";    const { body } = await fetch(new URL(url, import.meta.url).toString());    const readable = body!      .pipeThrough(new TextDecoderStream())      .pipeThrough(new TextLineStream())      .pipeThrough(new JsonParseStream());
    const result = [];    for await (const data of readable) {      result.push(data);    }
    assertEquals(result, [      { "hello": "world" },      ["👋", "👋", "👋"],      { "deno": "🦕" },    ]);  },});
Deno.test({  name: "[json] parse: testdata(json-seq)",  async fn() {    // Read the test data file    const recordSeparator = "\x1E";
    const url = "./testdata/test.json-seq";    const { body } = await fetch(new URL(url, import.meta.url).toString());    const readable = body!      .pipeThrough(new TextDecoderStream())      .pipeThrough(new TextDelimiterStream(recordSeparator))      .pipeThrough(new JsonParseStream());
    const result = [];    for await (const data of readable) {      result.push(data);    }
    assertEquals(result, [      { "hello": "world" },      ["👋", "👋", "👋"],      { "deno": "🦕" },    ]);  },});