@yoroi/common/lib/module/cache/cache-resolve-records-source.test.js

The Common package of Yoroi SDK

"use strict";

import { cacheResolveRecordsSource } from './cache-resolve-records-source';
describe('cacheResolveRecordsSource', () => {
  it('should return an empty array when ids is empty', () => {
    const ids = [];
    const cachedInfosWithoutRecord = new Map([['id.1', {
      expires: 1635724800000,
      hash: 'hash1'
    }]]);
    const {
      toFetch,
      fromCache
    } = cacheResolveRecordsSource({
      ids,
      cachedInfosWithoutRecord
    });
    expect(toFetch).toEqual([]);
    expect(fromCache).toEqual([]);
  });
  it('should return an array of records to fetch when ids are not cached', () => {
    const ids = ['id.1', 'id.2'];
    const cachedInfosWithoutRecord = new Map();
    const {
      toFetch,
      fromCache
    } = cacheResolveRecordsSource({
      ids,
      cachedInfosWithoutRecord
    });
    expect(toFetch).toEqual([['id.1', ''], ['id.2', '']]);
    expect(fromCache).toEqual([]);
  });
  it('should return an array of records to fetch when ids are expired', () => {
    const ids = ['id.1', 'id.2'];
    const past = Date.now() - 1000000;
    const future = Date.now() + 1000000;
    const cachedInfosWithoutRecord = new Map([['id.1', {
      expires: past,
      hash: 'hash1'
    }], ['id.2', {
      expires: future,
      hash: 'hash2'
    }]]);
    const {
      toFetch,
      fromCache
    } = cacheResolveRecordsSource({
      ids,
      cachedInfosWithoutRecord
    });
    expect(toFetch).toEqual([['id.1', 'hash1']]);
    expect(fromCache).toEqual(['id.2']);
  });
  it('should return an empty array when all ids are not expired', () => {
    const ids = ['id.1', 'id.2'];
    const future = Date.now() + 1000000;
    const cachedInfosWithoutRecord = new Map([['id.1', {
      expires: future,
      hash: 'hash1'
    }], ['id.2', {
      expires: future,
      hash: 'hash2'
    }]]);
    const {
      toFetch,
      fromCache
    } = cacheResolveRecordsSource({
      ids,
      cachedInfosWithoutRecord
    });
    expect(toFetch).toEqual([]);
    expect(fromCache).toEqual(['id.1', 'id.2']);
  });
});
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