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sexybiggetje/pixdisp

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__tests__/drawingoperations.js

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Maintainability
A
0 mins
Test Coverage
'use strict';

let driver, config;

let { DriverFactory } = require( '../drivers/driverfactory' );
let { Dummy } = require( '../drivers/dummy' );

let driverFactory = new DriverFactory();

beforeEach(() => {
    config = {
        "driver": "dummy",
        "matrix": {
            "width": 4,
            "height": 4,
            "brightness": 1,
            "flipHorizontal": false,
            "flipVertical": false
        }
    };
});

test( 'Matrix creation', () => {
    driver = driverFactory.createFromConfig( config );

    expect( driver.getSize() ).toEqual( { width: 4, height: 4 } );
    expect( driver.getBuffer().length ).toEqual( 48 );
} );

test( 'Set a pixel', () => {
    driver = driverFactory.createFromConfig( config );

    driver.setPixel( 0, 0, 255, 255, 255, 1 );
    driver.setPixel( 3, 0, 255, 255, 255, 1 );
    driver.setPixel( 0, 3, 255, 255, 255, 1 );
    driver.setPixel( 3, 3, 255, 255, 255, 1 );

    let matrix = driver.getMatrix();

    expect( matrix[ 0 ][ 0 ] ).toEqual( { r: 255, g: 255, b: 255, a: 1 } );
    expect( matrix[ 3 ][ 0 ] ).toEqual( { r: 255, g: 255, b: 255, a: 1 } );
    expect( matrix[ 0 ][ 3 ] ).toEqual( { r: 255, g: 255, b: 255, a: 1 } );
    expect( matrix[ 3 ][ 3 ] ).toEqual( { r: 255, g: 255, b: 255, a: 1 } );

    expect( matrix[ 0 ][ 1 ] ).toEqual( { r: 0, g: 0, b: 0, a: 1 } );
    expect( matrix[ 3 ][ 1 ] ).toEqual( { r: 0, g: 0, b: 0, a: 1 } );
    expect( matrix[ 1 ][ 3 ] ).toEqual( { r: 0, g: 0, b: 0, a: 1 } );
    expect( matrix[ 2 ][ 3 ] ).toEqual( { r: 0, g: 0, b: 0, a: 1 } );

} );

test( 'Brightness evaluation', () => {
    driver = driverFactory.createFromConfig( config );

    expect( driver.setBrightness( 0.5 ) ).toBeUndefined( );
    expect( driver.getBrightness() ).toEqual( 0.5 );

    driver.setPixel( 0, 0, 255, 255, 255, 0.5 );

    let matrix = driver.getMatrix();

    expect( matrix[ 0 ][ 0 ] ).toEqual( { r: 255, g: 255, b: 255, a: 0.5 } );

    let buffer = driver.getBuffer();
    expect( buffer[ 0 ] ).toEqual( 63 );
    expect( buffer[ 1 ] ).toEqual( 63 );
    expect( buffer[ 2 ] ).toEqual( 63 );
    expect( buffer[ 3 ] ).toEqual( 0 );
    expect( buffer[ 4 ] ).toEqual( 0 );
    expect( buffer[ 5 ] ).toEqual( 0 );

} );

test( 'Draw a line', () => {
    driver = driverFactory.createFromConfig( config );

    driver.drawLine( 0, 0, 3, 3, 255, 255, 255, 1 );

    let matrix = driver.getMatrix();

    expect( matrix[ 0 ][ 0 ] ).toEqual( { r: 255, g: 255, b: 255, a: 1 } );
    expect( matrix[ 1 ][ 1 ] ).toEqual( { r: 255, g: 255, b: 255, a: 1 } );
    expect( matrix[ 2 ][ 2 ] ).toEqual( { r: 255, g: 255, b: 255, a: 1 } );
    expect( matrix[ 3 ][ 3 ] ).toEqual( { r: 255, g: 255, b: 255, a: 1 } );

    expect( matrix[ 0 ][ 1 ] ).toEqual( { r: 0, g: 0, b: 0, a: 1 } );
    expect( matrix[ 1 ][ 2 ] ).toEqual( { r: 0, g: 0, b: 0, a: 1 } );
    expect( matrix[ 2 ][ 3 ] ).toEqual( { r: 0, g: 0, b: 0, a: 1 } );
    expect( matrix[ 3 ][ 0 ] ).toEqual( { r: 0, g: 0, b: 0, a: 1 } );

} );

test( 'Draw a circle', () => {
    config.matrix.width = 8;
    config.matrix.height = 8;

    driver = driverFactory.createFromConfig( config );

    driver.drawCircle( 3, 3, 4, 255, 255, 255, 1 );

    let matrix = driver.getMatrix();

    expect( matrix[ 1 ][ 0 ] ).toEqual( { r: 255, g: 255, b: 255, a: 1 } );
    expect( matrix[ 2 ][ 0 ] ).toEqual( { r: 255, g: 255, b: 255, a: 1 } );
    expect( matrix[ 2 ][ 6 ] ).toEqual( { r: 255, g: 255, b: 255, a: 1 } );
    expect( matrix[ 3 ][ 6 ] ).toEqual( { r: 255, g: 255, b: 255, a: 1 } );

    expect( matrix[ 0 ][ 0 ] ).toEqual( { r: 0, g: 0, b: 0, a: 1 } );
    expect( matrix[ 0 ][ 7 ] ).toEqual( { r: 0, g: 0, b: 0, a: 1 } );
    expect( matrix[ 2 ][ 1 ] ).toEqual( { r: 0, g: 0, b: 0, a: 1 } );
    expect( matrix[ 3 ][ 1 ] ).toEqual( { r: 0, g: 0, b: 0, a: 1 } );

} );

test( 'Draw a rectangle', () => {
    driver = driverFactory.createFromConfig( config );

    driver.drawRect( 0, 0, 4, 4, 255, 255, 255, 1 );

    let matrix = driver.getMatrix();

    expect( matrix[ 0 ][ 0 ] ).toEqual( { r: 255, g: 255, b: 255, a: 1 } );
    expect( matrix[ 0 ][ 3 ] ).toEqual( { r: 255, g: 255, b: 255, a: 1 } );
    expect( matrix[ 3 ][ 3 ] ).toEqual( { r: 255, g: 255, b: 255, a: 1 } );
    expect( matrix[ 3 ][ 0 ] ).toEqual( { r: 255, g: 255, b: 255, a: 1 } );

    expect( matrix[ 1 ][ 1 ] ).toEqual( { r: 0, g: 0, b: 0, a: 1 } );
    expect( matrix[ 1 ][ 2 ] ).toEqual( { r: 0, g: 0, b: 0, a: 1 } );
    expect( matrix[ 2 ][ 1 ] ).toEqual( { r: 0, g: 0, b: 0, a: 1 } );
    expect( matrix[ 2 ][ 2 ] ).toEqual( { r: 0, g: 0, b: 0, a: 1 } );

} );

test( 'Draw a filled rectangle', () => {
    driver = driverFactory.createFromConfig( config );

    driver.drawRectFilled( 0, 0, 4, 4, 255, 255, 255, 1 );

    let matrix = driver.getMatrix();

    expect( matrix[ 0 ][ 0 ] ).toEqual( { r: 255, g: 255, b: 255, a: 1 } );
    expect( matrix[ 0 ][ 3 ] ).toEqual( { r: 255, g: 255, b: 255, a: 1 } );
    expect( matrix[ 3 ][ 3 ] ).toEqual( { r: 255, g: 255, b: 255, a: 1 } );
    expect( matrix[ 3 ][ 0 ] ).toEqual( { r: 255, g: 255, b: 255, a: 1 } );

    expect( matrix[ 1 ][ 1 ] ).toEqual( { r: 255, g: 255, b: 255, a: 1 } );
    expect( matrix[ 1 ][ 2 ] ).toEqual( { r: 255, g: 255, b: 255, a: 1 } );
    expect( matrix[ 2 ][ 1 ] ).toEqual( { r: 255, g: 255, b: 255, a: 1 } );
    expect( matrix[ 2 ][ 2 ] ).toEqual( { r: 255, g: 255, b: 255, a: 1 } );

} );

test( 'Draw a line and clear the matrix', () => {
    driver = driverFactory.createFromConfig( config );

    driver.drawLine( 0, 0, 3, 3, 255, 255, 255, 1 );

    let matrix = driver.getMatrix();

    expect( matrix[ 0 ][ 0 ] ).toEqual( { r: 255, g: 255, b: 255, a: 1 } );
    expect( matrix[ 1 ][ 1 ] ).toEqual( { r: 255, g: 255, b: 255, a: 1 } );
    expect( matrix[ 2 ][ 2 ] ).toEqual( { r: 255, g: 255, b: 255, a: 1 } );
    expect( matrix[ 3 ][ 3 ] ).toEqual( { r: 255, g: 255, b: 255, a: 1 } );

    expect( matrix[ 0 ][ 1 ] ).toEqual( { r: 0, g: 0, b: 0, a: 1 } );
    expect( matrix[ 1 ][ 2 ] ).toEqual( { r: 0, g: 0, b: 0, a: 1 } );
    expect( matrix[ 2 ][ 3 ] ).toEqual( { r: 0, g: 0, b: 0, a: 1 } );
    expect( matrix[ 3 ][ 0 ] ).toEqual( { r: 0, g: 0, b: 0, a: 1 } );

    driver.clear( 0, 0, 0, 1 );

    matrix = driver.getMatrix();

    expect( matrix[ 0 ][ 0 ] ).toEqual( { r: 0, g: 0, b: 0, a: 1 } );
    expect( matrix[ 1 ][ 1 ] ).toEqual( { r: 0, g: 0, b: 0, a: 1 } );
    expect( matrix[ 2 ][ 2 ] ).toEqual( { r: 0, g: 0, b: 0, a: 1 } );
    expect( matrix[ 3 ][ 3 ] ).toEqual( { r: 0, g: 0, b: 0, a: 1 } );

} );