Files
openlayers/test/spec/ol/render/canvas/textreplay.test.js
2018-01-15 10:07:22 +01:00

49 lines
1.6 KiB
JavaScript

import Feature from '../../../../../src/ol/Feature.js';
import MultiPolygon from '../../../../../src/ol/geom/MultiPolygon.js';
import Polygon from '../../../../../src/ol/geom/Polygon.js';
import CanvasTextReplay from '../../../../../src/ol/render/canvas/TextReplay.js';
import Text from '../../../../../src/ol/style/Text.js';
describe('ol.render.canvas.TextReplay', function() {
it('renders polygon labels only when they fit', function() {
const replay = new CanvasTextReplay(1, [-180, -90, 180, 90], 0.02, 1, true);
const geometry = new Polygon([[[0, 0], [0, 1], [1, 1], [1, 0], [0, 0]]]);
const feature = new Feature(geometry);
replay.setTextStyle(new Text({
text: 'This is a long text'
}));
replay.drawText(geometry, feature);
expect(replay.instructions.length).to.be(0);
replay.setTextStyle(new Text({
text: 'short'
}));
replay.drawText(geometry, feature);
expect(replay.instructions.length).to.be(3);
});
it('renders multipolygon labels only when they fit', function() {
const replay = new CanvasTextReplay(1, [-180, -90, 180, 90], 0.02, 1, true);
const geometry = new MultiPolygon([
[[[0, 0], [0, 1], [1, 1], [1, 0], [0, 0]]],
[[[1, 1], [1, 2], [2, 2], [2, 1], [1, 1]]]
]);
const feature = new Feature(geometry);
replay.setTextStyle(new Text({
text: 'This is a long text'
}));
replay.drawText(geometry, feature);
expect(replay.instructions.length).to.be(0);
replay.setTextStyle(new Text({
text: 'short'
}));
replay.drawText(geometry, feature);
expect(replay.instructions.length).to.be(3);
});
});