osmd-extended/test/MusicalScore/Graphical/VexFlow/VexFlowMusicSheetDrawer_Test.ts

import {VexFlowMusicSheetDrawer} from "../../../../src/MusicalScore/Graphical/VexFlow/VexFlowMusicSheetDrawer";
import {GraphicalMusicSheet} from "../../../../src/MusicalScore/Graphical/GraphicalMusicSheet";
import {MusicSheet} from "../../../../src/MusicalScore/MusicSheet";
import {MusicSheetReader} from "../../../../src/MusicalScore/ScoreIO/MusicSheetReader";
import {VexFlowMusicSheetCalculator} from "../../../../src/MusicalScore/Graphical/VexFlow/VexFlowMusicSheetCalculator";
import {TestUtils} from "../../../Util/TestUtils";
import {IXmlElement} from "../../../../src/Common/FileIO/Xml";
import {VexFlowBackend} from "../../../../src/MusicalScore/Graphical/VexFlow/VexFlowBackend";
import {CanvasVexFlowBackend} from "../../../../src/MusicalScore/Graphical/VexFlow/CanvasVexFlowBackend";

/* tslint:disable:no-unused-expression */
describe("VexFlow Music Sheet Drawer", () => {

    it("draws sheet \"Clementi pt. 1\"", (done: MochaDone) => {
        const score: Document = TestUtils.getScore("MuzioClementi_SonatinaOpus36No1_Part1.xml");
        chai.expect(score).to.not.be.undefined;
        const partwise: Element = TestUtils.getPartWiseElement(score);
        chai.expect(partwise).to.not.be.undefined;
        const reader: MusicSheetReader = new MusicSheetReader();
        const calc: VexFlowMusicSheetCalculator = new VexFlowMusicSheetCalculator(reader.rules);
        const sheet: MusicSheet = reader.createMusicSheet(new IXmlElement(partwise), "** missing path **");
        const gms: GraphicalMusicSheet = new GraphicalMusicSheet(sheet, calc);

        // Create the canvas in the document:
        const canvas: HTMLCanvasElement = document.createElement("canvas");
        const backend: VexFlowBackend = new CanvasVexFlowBackend(sheet.Rules);
        backend.initialize(canvas);
        const drawer: VexFlowMusicSheetDrawer = new VexFlowMusicSheetDrawer();
        drawer.Backends.push(backend);
        drawer.drawSheet(gms);
        done();
    });

    // Test ignored for now, gms.calculateCursorLineAtTimestamp returns null instead of a GraphicalLine,
    // and in any case, this test doesn't test that the cursor is actually drawn, there are no expects for that etc.
    // it.only("draws cursor (as rectangle)", (done: MochaDone) => {
    //     const score: Document = TestUtils.getScore("MuzioClementi_SonatinaOpus36No1_Part1.xml");
    //     chai.expect(score).to.not.be.undefined;
    //     const partwise: Element = TestUtils.getPartWiseElement(score);
    //     chai.expect(partwise).to.not.be.undefined;
    //     const reader: MusicSheetReader = new MusicSheetReader();
    //     const calc: VexFlowMusicSheetCalculator = new VexFlowMusicSheetCalculator(reader.rules);
    //     const sheet: MusicSheet = reader.createMusicSheet(new IXmlElement(partwise), "** missing path **");
    //     const gms: GraphicalMusicSheet = new GraphicalMusicSheet(sheet, calc);
    //     gms.Cursors.push(gms.calculateCursorLineAtTimestamp(new Fraction(0, 4), OutlineAndFillStyleEnum.PlaybackCursor));

    //     // Create the canvas in the document:
    //     const canvas: HTMLCanvasElement = document.createElement("canvas");
    //     const backend: VexFlowBackend = new CanvasVexFlowBackend(sheet.Rules);
    //     backend.initialize(canvas);
    //     const drawer: VexFlowMusicSheetDrawer = new VexFlowMusicSheetDrawer(new DrawingParameters());
    //     drawer.Backends.push(backend);
    //     drawer.drawSheet(gms);
    //     done();
    // });
});