dcmjs/test/integration/DicomMessage.readFile.test.js

Javascript implementation of DICOM manipulation

import fs from "fs";
import path from "path";
import dcmjs from "../../src/index.js";
import { validationLog } from "./../../src/log.js";

// Ignore validation errors
validationLog.setLevel(5);

const { DicomMessage } = dcmjs.data;

describe("test parsing of sample-dicom.dcm file", () => {
    const dicomTestFilesDataPath = path.join(
        __dirname,
        "./../sample-dicom.dcm"
    );

    const arrayBuffer = fs.readFileSync(dicomTestFilesDataPath).buffer;
    const dicomDict = DicomMessage.readFile(arrayBuffer);

    it("has dict and meta section", () => {
        expect(dicomDict["dict"]).not.toBeNull();
        expect(dicomDict["meta"]).not.toBeNull();
    });

    describe("test some tags from the dict section", () => {
        const dictTags = dicomDict["dict"];

        it("has the StudyDate", () => {
            expect(dictTags).toHaveProperty("00080020.Value[0]", "20010101");
        });
        // testing nested sequence parsing
        it("has the  RequestAttributesSequence -> ScheduledProtocolCodeSequence -> CodeValue", () => {
            expect(dictTags).toHaveProperty(
                "00400275.Value[0].00400008.Value[0].00080100.Value[0]",
                "6310"
            );
        });
    });

    describe("test some tags from the meta section", () => {
        const metaTags = dicomDict["meta"];

        it("has the TransferSyntaxUID", () => {
            expect(metaTags).toHaveProperty(
                "00020010.Value[0]",
                "1.2.840.10008.1.2"
            );
        });
    });
});