maplibre-gl/src/render/render_to_texture.test.ts

BSD licensed community fork of mapbox-gl, a WebGL interactive maps library

import RenderToTexture from './render_to_texture';
import type Painter from './painter';
import type LineStyleLayer from '../style/style_layer/line_style_layer';
import type SymbolStyleLayer from '../style/style_layer/symbol_style_layer';

describe('render to texture', () => {
    test('should render text after a line by not adding the text to the stack', () => {
        const painterMock = {
            style: {
                terrain: {
                    sourceCache: {
                        getRenderableTiles: () => [],
                        removeOutdated: () => {}
                    },
                    clearRerenderCache: () => {}
                },
                _order: []
            }
        } as any as Painter;
        const uut = new RenderToTexture(painterMock);
        const lineLayer = {
            id: 'maine-line',
            type: 'line',
            source: 'maine'
        } as LineStyleLayer;
        const symbolLayer = {
            id: 'maine-text',
            type: 'symbol',
            source: 'maine',
            layout: {
                'text-field': 'maine',
                'symbol-placement': 'line'
            }
        } as any as SymbolStyleLayer;

        expect(uut.renderLayer(lineLayer)).toBeTruthy();
        painterMock.style._order = ['maine-line', 'maine-text'];
        painterMock.currentLayer = 1;
        expect(uut.renderLayer(symbolLayer)).toBeFalsy();
    });
});