react-http-fetch/lib/cjs/__tests__/http-cache.spec.js

An http library for React JS built on top of native JS fetch

"use strict";
var __assign = (this && this.__assign) || function () {
    __assign = Object.assign || function(t) {
        for (var s, i = 1, n = arguments.length; i < n; i++) {
            s = arguments[i];
            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
                t[p] = s[p];
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    return __assign.apply(this, arguments);
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Object.defineProperty(exports, "__esModule", { value: true });
var http_cache_fixture_1 = require("./fixtures/http-cache.fixture");
var http_request_fixture_1 = require("./fixtures/http-request.fixture");
describe('http-fetch', function () {
    afterEach(function () {
        jest.useRealTimers();
    });
    beforeEach(function () {
        jest.useFakeTimers();
        jest.spyOn(global, 'setTimeout');
    });
    test('should return undefined if no cached entry is found for the given identifier', function () {
        var httpCache = http_cache_fixture_1.HttpCacheFixture.create();
        var httpRequest = http_request_fixture_1.HttpRequestFixture.create();
        var cachedEntry = httpCache.get(httpRequest);
        expect(cachedEntry).toBeUndefined();
    });
    test('should return the cached entry corresponding to the provided identifier', function () {
        var httpCache = http_cache_fixture_1.HttpCacheFixture.create();
        var httpRequest = http_request_fixture_1.HttpRequestFixture.create(__assign(__assign({}, http_request_fixture_1.HttpRequestFixture.defaultOptions), { maxAge: 6000 }));
        var cachedResponse = { name: 'Phelony' };
        httpCache.put(httpRequest, cachedResponse);
        var expiredCachedResponse = httpCache.get(httpRequest);
        expect(expiredCachedResponse).toEqual(cachedResponse);
        expect(setTimeout).toHaveBeenCalledTimes(1);
        expect(setTimeout).toHaveBeenLastCalledWith(expect.any(Function), 6000);
    });
    test('should remove the cached entry once expired', function () {
        var httpCache = http_cache_fixture_1.HttpCacheFixture.create();
        var httpRequest = http_request_fixture_1.HttpRequestFixture.create(__assign(__assign({}, http_request_fixture_1.HttpRequestFixture.defaultOptions), { maxAge: 6000 }));
        var httpResponse = { name: 'Phelony' };
        httpCache.put(httpRequest, httpResponse);
        var cachedResponse = httpCache.get(httpRequest);
        expect(cachedResponse).toEqual(httpResponse);
        expect(setTimeout).toHaveBeenCalledTimes(1);
        expect(setTimeout).toHaveBeenLastCalledWith(expect.any(Function), 6000);
        jest.runOnlyPendingTimers();
        var expiredCachedResponse = httpCache.get(httpRequest);
        expect(expiredCachedResponse).toBeUndefined();
    });
    test('should tell if a cached response for a given request is expired', function () {
        var httpCache = http_cache_fixture_1.HttpCacheFixture.create();
        var httpRequest = http_request_fixture_1.HttpRequestFixture.create(__assign(__assign({}, http_request_fixture_1.HttpRequestFixture.defaultOptions), { maxAge: 6000 }));
        httpCache.put(httpRequest, {});
        expect(httpCache.isExpired(httpRequest)).toBe(false);
        jest.runOnlyPendingTimers();
        expect(httpCache.isExpired(httpRequest)).toBe(true);
    });
    test('should tell if there is a cached response for the given request', function () {
        var httpCache = http_cache_fixture_1.HttpCacheFixture.create();
        var httpRequest = http_request_fixture_1.HttpRequestFixture.create(__assign(__assign({}, http_request_fixture_1.HttpRequestFixture.defaultOptions), { maxAge: 6000 }));
        httpCache.put(httpRequest, {});
        expect(httpCache.has(httpRequest)).toBe(true);
        jest.runOnlyPendingTimers();
        expect(httpCache.has(httpRequest)).toBe(false);
    });
    test('should prune the cache by removing any expired entry', function () {
        var httpCache = http_cache_fixture_1.HttpCacheFixture.create();
        var httpRequest = http_request_fixture_1.HttpRequestFixture.create(__assign(__assign({}, http_request_fixture_1.HttpRequestFixture.defaultOptions), { maxAge: 6000 }));
        httpCache.put(httpRequest, {});
        expect(httpCache.has(httpRequest)).toBe(true);
        jest.runOnlyPendingTimers();
        expect(httpCache.has(httpRequest)).toBe(false);
    });
    test('should flush the cache by removing all entries', function () {
        var httpCache = http_cache_fixture_1.HttpCacheFixture.create();
        var firstHttpRequest = http_request_fixture_1.HttpRequestFixture.create(__assign(__assign({}, http_request_fixture_1.HttpRequestFixture.defaultOptions), { maxAge: 6000, relativeUrl: 'posts' }));
        var secondHttpRequest = http_request_fixture_1.HttpRequestFixture.create(__assign(__assign({}, http_request_fixture_1.HttpRequestFixture.defaultOptions), { maxAge: 6000, relativeUrl: 'comments' }));
        httpCache.put(firstHttpRequest, {});
        httpCache.put(secondHttpRequest, {});
        expect(httpCache.has(firstHttpRequest)).toBe(true);
        expect(httpCache.has(secondHttpRequest)).toBe(true);
        httpCache.flush();
        expect(httpCache.has(firstHttpRequest)).toBe(false);
        expect(httpCache.has(secondHttpRequest)).toBe(false);
    });
});