qrloop/lib/__tests__/basic.js

Envelop big blob of data into frames that can be displayed in series of QR Codes

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const __1 = require("..");
test("empty data", () => {
    const str = "";
    const framesExport = (0, __1.dataToFrames)(str);
    const framesImport = framesExport.reduce(__1.parseFramesReducer, undefined);
    expect((0, __1.areFramesComplete)(framesImport)).toBe(true);
    expect((0, __1.progressOfFrames)(framesImport)).toBe(1);
    expect((0, __1.currentNumberOfFrames)(framesImport)).toBe((0, __1.totalNumberOfFrames)(framesImport));
    expect((0, __1.framesToData)(framesImport).toString()).toBe(str);
});
test("'hello world'", () => {
    const str = "hello world";
    const framesExport = (0, __1.dataToFrames)(str);
    const framesImport = framesExport.reduce(__1.parseFramesReducer, undefined);
    expect((0, __1.areFramesComplete)(framesImport)).toBe(true);
    expect((0, __1.progressOfFrames)(framesImport)).toBe(1);
    expect((0, __1.currentNumberOfFrames)(framesImport)).toBe((0, __1.totalNumberOfFrames)(framesImport));
    expect((0, __1.framesToData)(framesImport).toString()).toBe(str);
});
test("'hello world' x1000", () => {
    let str = Array(1000).fill("hello world").join(" ");
    const framesExport = (0, __1.dataToFrames)(Buffer.from(str), 50);
    let framesImport = null;
    let frameLength = -1;
    let frameCompleteReached = false;
    let frameProgress = 0;
    for (let i = 0; i < framesExport.length; i++) {
        expect((0, __1.progressOfFrames)(framesImport)).toBeGreaterThanOrEqual(frameProgress);
        frameProgress = (0, __1.progressOfFrames)(framesImport);
        expect(frameProgress).toBeGreaterThanOrEqual(0);
        expect(frameProgress).toBeLessThanOrEqual(1);
        if ((0, __1.areFramesComplete)(framesImport)) {
            frameCompleteReached = true;
        }
        else {
            expect(frameCompleteReached).toBe(false); // never go back to uncomplete
        }
        framesImport = (0, __1.parseFramesReducer)(framesImport, framesExport[i]);
        if (frameLength === -1)
            frameLength = (0, __1.totalNumberOfFrames)(framesImport);
        expect((0, __1.totalNumberOfFrames)(framesImport)).toBe(frameLength);
    }
    expect((0, __1.areFramesComplete)(framesImport)).toBe(true);
    expect((0, __1.progressOfFrames)(framesImport)).toBe(1);
    expect((0, __1.currentNumberOfFrames)(framesImport)).toBe((0, __1.totalNumberOfFrames)(framesImport));
    expect((0, __1.framesToData)(framesImport).toString()).toBe(str);
});
test("binary", () => {
    const data = Buffer.from(Array(10000)
        .fill(null)
        .map((_, i) => i % 256));
    const framesExport = (0, __1.dataToFrames)(data, 200);
    expect(framesExport).toMatchSnapshot();
    const framesImport = framesExport.reduce(__1.parseFramesReducer, undefined);
    expect((0, __1.areFramesComplete)(framesImport)).toBe(true);
    expect((0, __1.progressOfFrames)(framesImport)).toBe(1);
    expect((0, __1.currentNumberOfFrames)(framesImport)).toBe((0, __1.totalNumberOfFrames)(framesImport));
    expect((0, __1.framesToData)(framesImport).toString("hex")).toBe(data.toString("hex"));
});
test("binary test many size", () => {
    for (let i = 0; i < 2000; i++) {
        const data = Buffer.from(Array(i)
            .fill(null)
            .map((_, i) => i % 256));
        const framesExport = (0, __1.dataToFrames)(data, 200);
        const framesImport = framesExport.reduce(__1.parseFramesReducer, undefined);
        expect((0, __1.framesToData)(framesImport).toString("hex")).toBe(data.toString("hex"));
    }
});
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