test_aitab_parse.js

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/* Any copyright is dedicated to the Public Domain.

 * https://creativecommons.org/publicdomain/zero/1.0/ */

"use strict";

const { AITab } = ChromeUtils.importESModule(

  "moz-src:///browser/components/aiwindow/models/aitab/AITab.sys.mjs"

);

const { parsePageConfig } = AITab;

const PAGE = { header: { type: "header", title: "Hi" }, blocks: [] };

const JSON_TEXT = JSON.stringify(PAGE);

add_task(function test_parsePageConfig_shapes() {

  for (const [name, text] of [

    ["bare JSON", JSON_TEXT],

    ["fenced JSON", `\`\`\`json\n${JSON_TEXT}\n\`\`\``],

    ["fence without a language tag", `\`\`\`\n${JSON_TEXT}\n\`\`\``],

    ["unfenced prose", `Here is the page: ${JSON_TEXT} — let me know!`],

    // The {...} span covers the cases above; braces in the prose around a

    // fenced block defeat it and fall back to unwrapping the fence.

      "braces in prose before a fence",

      `Use {curly}:\n\`\`\`json\n${JSON_TEXT}\n\`\`\``,

],

      "braces in prose after a fence",

      `\`\`\`json\n${JSON_TEXT}\n\`\`\`\nThe {x} field.`,

],

  ]) {

    Assert.deepEqual(parsePageConfig(text), PAGE, `parses ${name}`);

});

add_task(function test_parsePageConfig_rejects_non_json() {

  Assert.equal(parsePageConfig("no JSON here"), null, "text without an object");

  Assert.equal(parsePageConfig("{ not json }"), null, "malformed object");

});