scandit-sdk/src/lib/parser.spec.ts

Scandit Barcode Scanner SDK for the Web

/* tslint:disable:no-implicit-dependencies no-any */
/**
 * Parser tests
 */
import test from "ava";
import * as sinon from "sinon";

import { BrowserHelper, configure, Parser, ParserResult, Scanner } from "..";

declare const global: any;

global.Worker = sinon.stub().returns({
  postMessage: sinon.stub(),
  terminate: sinon.stub()
});
URL.createObjectURL = sinon.stub();

async function prepareBrowserAndLibrary(): Promise<void> {
  BrowserHelper.checkBrowserCompatibility = () => {
    return {
      fullSupport: true,
      scannerSupport: true,
      missingFeatures: []
    };
  };
  await configure("#".repeat(64));
}

test("constructor", async t => {
  await prepareBrowserAndLibrary();
  const s: Scanner = new Scanner();
  const p: Parser = new Parser(s, Parser.DataFormat.DLID);
  t.is((<any>p).scanner, s);
  t.is((<any>p).dataFormat, Parser.DataFormat.DLID);
  t.is((<any>p).options, undefined);
});

test("setOptions", async t => {
  await prepareBrowserAndLibrary();
  const s: Scanner = new Scanner();
  const p: Parser = new Parser(s, Parser.DataFormat.DLID);
  t.is((<any>p).options, undefined);
  p.setOptions({});
  t.deepEqual((<any>p).options, {});
  p.setOptions({
    option1: true
  });
  t.deepEqual((<any>p).options, {
    option1: true
  });
});

test("parseString", async t => {
  await prepareBrowserAndLibrary();
  const s: Scanner = new Scanner();
  const p: Parser = new Parser(s, Parser.DataFormat.DLID);
  const parseStringSpy: sinon.SinonSpy<[Parser.DataFormat, string, any?], Promise<ParserResult>> = sinon.spy(
    s,
    "parseString"
  );
  // tslint:disable-next-line: no-floating-promises
  p.parseString("");
  t.is(parseStringSpy.callCount, 1);
  t.deepEqual(parseStringSpy.getCall(0).args, [Parser.DataFormat.DLID, "", undefined]);
  // tslint:disable-next-line: no-floating-promises
  p.parseString("abcd");
  t.is(parseStringSpy.callCount, 2);
  t.deepEqual(parseStringSpy.getCall(1).args, [Parser.DataFormat.DLID, "abcd", undefined]);
  p.setOptions({
    option1: true
  });
  // tslint:disable-next-line: no-floating-promises
  p.parseString("abcd");
  t.is(parseStringSpy.callCount, 3);
  t.deepEqual(parseStringSpy.getCall(2).args, [
    Parser.DataFormat.DLID,
    "abcd",
    {
      option1: true
    }
  ]);
});

test("parseRawData", async t => {
  await prepareBrowserAndLibrary();
  const s: Scanner = new Scanner();
  const p: Parser = new Parser(s, Parser.DataFormat.DLID);
  const parseStringSpy: sinon.SinonSpy<[Parser.DataFormat, string, any?], Promise<ParserResult>> = sinon.spy(
    s,
    "parseString"
  );
  // tslint:disable-next-line: no-floating-promises
  p.parseRawData(new Uint8Array([]));
  t.is(parseStringSpy.callCount, 1);
  t.deepEqual(parseStringSpy.getCall(0).args, [Parser.DataFormat.DLID, "", undefined]);
  // tslint:disable-next-line: no-floating-promises
  p.parseRawData(new Uint8Array([97, 98, 99, 100]));
  t.is(parseStringSpy.callCount, 2);
  t.deepEqual(parseStringSpy.getCall(1).args, [Parser.DataFormat.DLID, "abcd", undefined]);
  p.setOptions({
    option1: true
  });
  // tslint:disable-next-line: no-floating-promises
  p.parseRawData(new Uint8Array([97, 98, 99, 100]));
  t.is(parseStringSpy.callCount, 3);
  t.deepEqual(parseStringSpy.getCall(2).args, [
    Parser.DataFormat.DLID,
    "abcd",
    {
      option1: true
    }
  ]);
  p.setOptions();
  // tslint:disable-next-line: no-floating-promises
  p.parseRawData(new Uint8Array([255]));
  t.is(parseStringSpy.callCount, 4);
  t.deepEqual(parseStringSpy.getCall(3).args, [Parser.DataFormat.DLID, "", undefined]);
  // tslint:disable-next-line: no-floating-promises
  p.parseRawData(new Uint8Array([97, 98, 99, 100, 128]));
  t.is(parseStringSpy.callCount, 5);
  t.deepEqual(parseStringSpy.getCall(4).args, [Parser.DataFormat.DLID, "", undefined]);
  // tslint:disable-next-line: no-floating-promises
  p.parseRawData(new Uint8Array([1, 2, 9, 32, 13, 10]));
  t.is(parseStringSpy.callCount, 6);
  t.deepEqual(parseStringSpy.getCall(5).args, [Parser.DataFormat.DLID, "\u{1}\u{2}\t \r\n", undefined]);
});