test_Dedupe.js - mozsearch

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/* Any copyright is dedicated to the Public Domain.

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

*/

"use strict";

const { Dedupe } = ChromeUtils.importESModule(

  "resource:///modules/Dedupe.sys.mjs"

);

add_task(async function test_dedupe_group() {

  let instance = new Dedupe();

  // Should remove duplicates inside the groups

  let beforeItems = [

    [1, 1, 1],

    [2, 2, 2],

    [3, 3, 3],

];

  let afterItems = [[1], [2], [3]];

  Assert.deepEqual(

    instance.group(...beforeItems),

    afterItems,

    "Should remove duplicates inside the groups"

);

  // Should remove duplicates between groups, favoring earlier groups

  beforeItems = [

    [1, 2, 3],

    [2, 3, 4],

    [3, 4, 5],

];

  afterItems = [[1, 2, 3], [4], [5]];

  Assert.deepEqual(

    instance.group(...beforeItems),

    afterItems,

    "Should remove duplicates between groups"

);

  // Should remove duplicates from groups of objects

  instance = new Dedupe(item => item.id);

  beforeItems = [

    [{ id: 1 }, { id: 1 }, { id: 2 }],

    [{ id: 1 }, { id: 3 }, { id: 2 }],

    [{ id: 1 }, { id: 2 }, { id: 5 }],

];

  afterItems = [[{ id: 1 }, { id: 2 }], [{ id: 3 }], [{ id: 5 }]];

  Assert.deepEqual(

    instance.group(...beforeItems),

    afterItems,

    "Should remove duplicates from groups of objects"

);

});