Organize tests
This commit is contained in:
Tim Schaub
540
test/browser/spec/ol/renderer/canvas/builder.test.js
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540
test/browser/spec/ol/renderer/canvas/builder.test.js
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@@ -0,0 +1,540 @@
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import BuilderGroup from '../../../../../../src/ol/render/canvas/BuilderGroup.js';
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import CanvasBuilder from '../../../../../../src/ol/render/canvas/Builder.js';
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import CanvasLineStringBuilder from '../../../../../../src/ol/render/canvas/LineStringBuilder.js';
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import CanvasPolygonBuilder from '../../../../../../src/ol/render/canvas/PolygonBuilder.js';
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import ExecutorGroup from '../../../../../../src/ol/render/canvas/ExecutorGroup.js';
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import Feature from '../../../../../../src/ol/Feature.js';
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import Fill from '../../../../../../src/ol/style/Fill.js';
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import GeometryCollection from '../../../../../../src/ol/geom/GeometryCollection.js';
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import LineString from '../../../../../../src/ol/geom/LineString.js';
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import MultiLineString from '../../../../../../src/ol/geom/MultiLineString.js';
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import MultiPoint from '../../../../../../src/ol/geom/MultiPoint.js';
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import MultiPolygon from '../../../../../../src/ol/geom/MultiPolygon.js';
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import Point from '../../../../../../src/ol/geom/Point.js';
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import Polygon from '../../../../../../src/ol/geom/Polygon.js';
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import Stroke from '../../../../../../src/ol/style/Stroke.js';
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import Style from '../../../../../../src/ol/style/Style.js';
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import {
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create as createTransform,
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scale as scaleTransform,
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} from '../../../../../../src/ol/transform.js';
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import {renderFeature} from '../../../../../../src/ol/renderer/vector.js';
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describe('ol.render.canvas.BuilderGroup', function () {
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describe('#replay', function () {
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let context, builder, fillCount, transform;
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let strokeCount, beginPathCount, moveToCount, lineToCount;
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let feature0, feature1, feature2, feature3;
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let fill0, fill1, style1, style2;
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/**
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* @param {BuilderGroup} builder The builder to get instructions from.
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* @param {number} [pixelRatio] The pixel ratio.
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* @param {boolean} [overlaps] Whether there is overlaps.
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*/
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function execute(builder, pixelRatio, overlaps) {
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const executor = new ExecutorGroup(
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[-180, -90, 180, 90],
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1,
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pixelRatio || 1,
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!!overlaps,
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builder.finish()
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);
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executor.execute(context, 1, transform, 0, false);
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}
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beforeEach(function () {
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transform = createTransform();
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builder = new BuilderGroup(1, [-180, -90, 180, 90], 1, 1, false);
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feature0 = new Feature(
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new Polygon([
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[
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[-90, 0],
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[-45, 45],
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[0, 0],
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[1, 1],
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[0, -45],
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[-90, 0],
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],
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])
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);
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feature1 = new Feature(
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new Polygon([
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[
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[-90, -45],
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[-90, 0],
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[0, 0],
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[0, -45],
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[-90, -45],
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],
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])
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);
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feature2 = new Feature(
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new Polygon([
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[
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[90, 45],
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[90, 0],
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[0, 0],
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[0, 45],
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[90, 45],
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],
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])
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);
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feature3 = new Feature(
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new Polygon([
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[
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[-90, -45],
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[-90, 45],
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[90, 45],
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[90, -45],
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[-90, -45],
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],
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])
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);
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fill0 = new Style({
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fill: new Fill({color: 'black'}),
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});
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fill1 = new Style({
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fill: new Fill({color: 'red'}),
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});
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style1 = new Style({
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fill: new Fill({color: 'black'}),
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stroke: new Stroke({color: 'white', width: 1}),
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});
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style2 = new Style({
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fill: new Fill({color: 'white'}),
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stroke: new Stroke({
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color: 'black',
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width: 1,
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lineDash: [3, 6],
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lineDashOffset: 2,
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}),
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});
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fillCount = 0;
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strokeCount = 0;
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beginPathCount = 0;
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moveToCount = 0;
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lineToCount = 0;
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context = {
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fill: function () {
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fillCount++;
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},
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stroke: function () {
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strokeCount++;
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},
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beginPath: function () {
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beginPathCount++;
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},
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clip: function () {
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// remove beginPath, moveTo and lineTo counts for clipping
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beginPathCount--;
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moveToCount--;
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lineToCount -= 3;
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},
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moveTo: function () {
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moveToCount++;
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},
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lineTo: function () {
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lineToCount++;
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},
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closePath: function () {},
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setLineDash: function () {},
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save: function () {},
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restore: function () {},
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};
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});
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it('omits lineTo for repeated coordinates', function () {
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renderFeature(builder, feature0, fill0, 1);
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execute(builder);
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expect(lineToCount).to.be(4);
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lineToCount = 0;
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scaleTransform(transform, 0.25, 0.25);
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execute(builder);
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expect(lineToCount).to.be(3);
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});
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it('does not omit moveTo for repeated coordinates', function () {
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renderFeature(builder, feature0, fill0, 1);
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renderFeature(builder, feature1, fill1, 1);
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execute(builder);
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expect(moveToCount).to.be(2);
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});
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it('batches fill and stroke instructions for same style', function () {
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renderFeature(builder, feature1, style1, 1);
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renderFeature(builder, feature2, style1, 1);
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renderFeature(builder, feature3, style1, 1);
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execute(builder);
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expect(fillCount).to.be(1);
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expect(strokeCount).to.be(1);
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expect(beginPathCount).to.be(1);
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});
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it('batches fill and stroke instructions for different styles', function () {
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renderFeature(builder, feature1, style1, 1);
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renderFeature(builder, feature2, style1, 1);
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renderFeature(builder, feature3, style2, 1);
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execute(builder);
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expect(fillCount).to.be(2);
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expect(strokeCount).to.be(2);
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expect(beginPathCount).to.be(2);
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});
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it('batches fill and stroke instructions for changing styles', function () {
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renderFeature(builder, feature1, style1, 1);
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renderFeature(builder, feature2, style2, 1);
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renderFeature(builder, feature3, style1, 1);
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execute(builder);
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expect(fillCount).to.be(3);
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expect(strokeCount).to.be(3);
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expect(beginPathCount).to.be(3);
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});
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it('does not batch when overlaps is set to true', function () {
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builder = new BuilderGroup(1, [-180, -90, 180, 90], 1, 1, true);
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renderFeature(builder, feature1, style1, 1);
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renderFeature(builder, feature2, style1, 1);
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renderFeature(builder, feature3, style1, 1);
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execute(builder, {}, 1, true);
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expect(fillCount).to.be(3);
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expect(strokeCount).to.be(3);
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expect(beginPathCount).to.be(3);
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});
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it('applies the pixelRatio to the linedash array and offset', function () {
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// replay with a pixelRatio of 2
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builder = new BuilderGroup(1, [-180, -90, 180, 90], 1, 2, true);
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let lineDash,
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lineDashCount = 0,
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lineDashOffset,
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lineDashOffsetCount = 0;
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context.setLineDash = function (lineDash_) {
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lineDashCount++;
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lineDash = lineDash_.slice();
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};
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Object.defineProperty(context, 'lineDashOffset', {
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set: function (lineDashOffset_) {
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lineDashOffsetCount++;
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lineDashOffset = lineDashOffset_;
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},
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});
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renderFeature(builder, feature1, style2, 1);
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renderFeature(builder, feature2, style2, 1);
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execute(builder, {}, 2, true);
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expect(lineDashCount).to.be(1);
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expect(style2.getStroke().getLineDash()).to.eql([3, 6]);
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expect(lineDash).to.eql([6, 12]);
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expect(lineDashOffsetCount).to.be(1);
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expect(style2.getStroke().getLineDashOffset()).to.be(2);
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expect(lineDashOffset).to.be(4);
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});
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it('calls the renderer function configured for the style', function () {
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const calls = [];
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const style = new Style({
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renderer: function (coords, state) {
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calls.push({
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coords: coords,
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geometry: state.geometry,
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feature: state.feature,
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context: state.context,
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pixelRatio: state.pixelRatio,
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rotation: state.rotation,
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resolution: state.resolution,
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});
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},
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});
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const point = new Feature(new Point([45, 90]));
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const multipoint = new Feature(
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new MultiPoint([
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[45, 90],
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[90, 45],
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])
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);
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const linestring = new Feature(
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new LineString([
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[45, 90],
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[45, 45],
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[90, 45],
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])
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);
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const multilinestring = new Feature(
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new MultiLineString([
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linestring.getGeometry().getCoordinates(),
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linestring.getGeometry().getCoordinates(),
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])
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);
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const polygon = feature1;
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const multipolygon = new Feature(
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new MultiPolygon([
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polygon.getGeometry().getCoordinates(),
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polygon.getGeometry().getCoordinates(),
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])
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);
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const geometrycollection = new Feature(
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new GeometryCollection([
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point.getGeometry(),
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linestring.getGeometry(),
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polygon.getGeometry(),
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])
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);
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builder = new BuilderGroup(1, [-180, -90, 180, 90], 1, 1, true);
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renderFeature(builder, point, style, 1);
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renderFeature(builder, multipoint, style, 1);
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renderFeature(builder, linestring, style, 1);
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renderFeature(builder, multilinestring, style, 1);
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renderFeature(builder, polygon, style, 1);
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renderFeature(builder, multipolygon, style, 1);
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renderFeature(builder, geometrycollection, style, 1);
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scaleTransform(transform, 0.1, 0.1);
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execute(builder, 1, true);
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expect(calls.length).to.be(9);
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expect(calls[0].geometry).to.be(point.getGeometry());
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expect(calls[0].feature).to.be(point);
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expect(calls[0].context).to.be(context);
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expect(calls[0].pixelRatio).to.be(1);
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expect(calls[0].rotation).to.be(0);
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expect(calls[0].resolution).to.be(1);
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expect(calls[0].coords).to.eql([4.5, 9]);
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expect(calls[1].feature).to.be(multipoint);
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expect(calls[1].coords[0]).to.eql([4.5, 9]);
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expect(calls[2].feature).to.be(linestring);
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expect(calls[2].coords[0]).to.eql([4.5, 9]);
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expect(calls[3].feature).to.be(multilinestring);
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expect(calls[3].coords[0][0]).to.eql([4.5, 9]);
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expect(calls[4].feature).to.be(polygon);
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expect(calls[4].coords[0][0]).to.eql([-9, -4.5]);
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expect(calls[5].feature).to.be(multipolygon);
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expect(calls[5].coords[0][0][0]).to.eql([-9, -4.5]);
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expect(calls[6].feature).to.be(geometrycollection);
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expect(calls[6].geometry.getCoordinates()).to.eql([45, 90]);
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expect(calls[7].geometry.getCoordinates()[0]).to.eql([45, 90]);
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expect(calls[8].geometry.getCoordinates()[0][0]).to.eql([-90, -45]);
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});
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});
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});
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describe('ol.render.canvas.Builder', function () {
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describe('constructor', function () {
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it('creates a new replay batch', function () {
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const tolerance = 10;
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const extent = [-180, -90, 180, 90];
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const replay = new CanvasBuilder(tolerance, extent, 1, 1, true);
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expect(replay).to.be.a(CanvasBuilder);
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});
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});
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describe('#appendFlatLineCoordinates()', function () {
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let replay;
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beforeEach(function () {
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replay = new CanvasBuilder(1, [-180, -90, 180, 90], 1, 1, true);
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});
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it('appends coordinates that are within the max extent', function () {
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const flat = [-110, 45, 110, 45, 110, -45, -110, -45];
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replay.appendFlatLineCoordinates(flat, 0, flat.length, 2, false, false);
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expect(replay.coordinates).to.eql(flat);
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});
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it('appends polygon coordinates that are within the max extent', function () {
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const flat = [-110, 45, 110, 45, 110, -45, -110, -45, -110, 45];
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replay.appendFlatLineCoordinates(flat, 0, flat.length, 2, true, false);
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expect(replay.coordinates).to.eql(flat);
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});
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it('appends polygon coordinates that are within the max extent (skipping first)', function () {
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const flat = [-110, 45, 110, 45, 110, -45, -110, -45, -110, 45];
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replay.appendFlatLineCoordinates(flat, 0, flat.length, 2, true, true);
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expect(replay.coordinates).to.eql([
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110,
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45,
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110,
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-45,
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-110,
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-45,
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-110,
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45,
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]);
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});
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it('works with a single coordinate (inside)', function () {
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const flat = [-110, 45];
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replay.appendFlatLineCoordinates(flat, 0, flat.length, 2, false, false);
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expect(replay.coordinates).to.eql(flat);
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});
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it('always appends first point (even if outside)', function () {
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// this could be changed, but to make the code simpler for properly
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// closing rings, we always add the first point
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const flat = [-110, 145];
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replay.appendFlatLineCoordinates(flat, 0, flat.length, 2, false, false);
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expect(replay.coordinates).to.eql(flat);
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});
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it('always appends first polygon vertex (even if outside)', function () {
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// this could be changed, but to make the code simpler for properly
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// closing rings, we always add the first point
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const flat = [-110, 145, -110, 145];
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replay.appendFlatLineCoordinates(flat, 0, flat.length, 2, true, false);
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expect(replay.coordinates).to.eql(flat);
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});
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it('skips first polygon vertex upon request (also when outside)', function () {
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const flat = [-110, 145, -110, 145];
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replay.appendFlatLineCoordinates(flat, 0, flat.length, 2, true, true);
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expect(replay.coordinates).to.eql([-110, 145]);
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});
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it('appends points when segments cross (top to bottom)', function () {
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// this means we get a few extra points when coordinates are not
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// part of a linestring or ring, but only a few extra
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const flat = [0, 200, 0, -200];
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replay.appendFlatLineCoordinates(flat, 0, flat.length, 2, false, false);
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expect(replay.coordinates).to.eql(flat);
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});
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it('appends points when segments cross (top to inside)', function () {
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const flat = [0, 200, 0, 0];
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replay.appendFlatLineCoordinates(flat, 0, flat.length, 2, false, false);
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expect(replay.coordinates).to.eql(flat);
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});
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it('always appends the first segment (even when outside)', function () {
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// this could be changed, but to make the code simpler for properly
|
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// closing rings, we always add the first segment
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const flat = [-10, 200, 10, 200];
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replay.appendFlatLineCoordinates(flat, 0, flat.length, 2, false, false);
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expect(replay.coordinates).to.eql(flat);
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});
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||||
it('always appends the first polygon segment (even when outside)', function () {
|
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// this could be changed, but to make the code simpler for properly
|
||||
// closing rings, we always add the first segment
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const flat = [-10, 200, 10, 200, -10, 200];
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replay.appendFlatLineCoordinates(flat, 0, flat.length, 2, true, false);
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expect(replay.coordinates).to.eql(flat);
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});
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it('skips first polygon segment upon request (also when outside)', function () {
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const flat = [-10, 200, 10, 200, -10, 200];
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replay.appendFlatLineCoordinates(flat, 0, flat.length, 2, true, true);
|
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expect(replay.coordinates).to.eql([10, 200, -10, 200]);
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});
|
||||
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it('eliminates segments outside (and not changing rel)', function () {
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const flat = [0, 0, 0, 200, 5, 200, 10, 200];
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replay.appendFlatLineCoordinates(flat, 0, flat.length, 2, false, false);
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expect(replay.coordinates).to.eql([0, 0, 0, 200]);
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});
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it('eliminates polygon segments outside (and not changing rel)', function () {
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const flat = [0, 0, 0, 200, 5, 200, 10, 200, 0, 0];
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replay.appendFlatLineCoordinates(flat, 0, flat.length, 2, true, false);
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expect(replay.coordinates).to.eql([0, 0, 0, 200, 10, 200, 0, 0]);
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||||
});
|
||||
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||||
it('eliminates polygon segments outside (skipping first and not changing rel)', function () {
|
||||
const flat = [0, 0, 0, 10, 0, 200, 5, 200, 10, 200, 0, 0];
|
||||
replay.appendFlatLineCoordinates(flat, 0, flat.length, 2, true, true);
|
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expect(replay.coordinates).to.eql([0, 10, 0, 200, 10, 200, 0, 0]);
|
||||
});
|
||||
|
||||
it('eliminates segments outside (and not changing rel)', function () {
|
||||
const flat = [0, 0, 0, 200, 10, 200];
|
||||
replay.appendFlatLineCoordinates(flat, 0, flat.length, 2, false, false);
|
||||
expect(replay.coordinates).to.eql([0, 0, 0, 200]);
|
||||
});
|
||||
|
||||
it('includes polygon segments outside (and not changing rel) when on last segment', function () {
|
||||
const flat = [0, 0, 0, 200, 10, 200, 0, 0];
|
||||
replay.appendFlatLineCoordinates(flat, 0, flat.length, 2, true, false);
|
||||
expect(replay.coordinates).to.eql(flat);
|
||||
});
|
||||
|
||||
it('includes polygon segments outside (skipping first and not changing rel) when on last segment', function () {
|
||||
const flat = [0, 0, 0, 200, 10, 200, 0, 0];
|
||||
replay.appendFlatLineCoordinates(flat, 0, flat.length, 2, true, true);
|
||||
expect(replay.coordinates).to.eql([0, 200, 10, 200, 0, 0]);
|
||||
});
|
||||
|
||||
it('includes outside segments that change relationship', function () {
|
||||
const flat = [0, 0, 0, 200, 200, 200, 250, 200];
|
||||
replay.appendFlatLineCoordinates(flat, 0, flat.length, 2, false, false);
|
||||
expect(replay.coordinates).to.eql([0, 0, 0, 200, 200, 200]);
|
||||
});
|
||||
|
||||
it('includes outside polygon segments that change relationship when on last segment', function () {
|
||||
const flat = [0, 0, 0, 200, 200, 200, 250, 200, 0, 0];
|
||||
replay.appendFlatLineCoordinates(flat, 0, flat.length, 2, true, false);
|
||||
expect(replay.coordinates).to.eql(flat);
|
||||
});
|
||||
|
||||
it('includes outside polygon segments that change relationship when on last segment (when skipping first)', function () {
|
||||
const flat = [0, 0, 0, 200, 200, 200, 250, 200, 0, 0];
|
||||
replay.appendFlatLineCoordinates(flat, 0, flat.length, 2, true, true);
|
||||
expect(replay.coordinates).to.eql([0, 200, 200, 200, 250, 200, 0, 0]);
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
describe('ol.render.canvas.LineStringBuilder', function () {
|
||||
describe('#getBufferedMaxExtent()', function () {
|
||||
it('buffers the max extent to accommodate stroke width', function () {
|
||||
const tolerance = 1;
|
||||
const extent = [-180, -90, 180, 90];
|
||||
const resolution = 10;
|
||||
const replay = new CanvasLineStringBuilder(tolerance, extent, resolution);
|
||||
const stroke = new Stroke({
|
||||
width: 2,
|
||||
});
|
||||
replay.setFillStrokeStyle(null, stroke);
|
||||
const buffered = replay.getBufferedMaxExtent();
|
||||
expect(buffered).to.eql([-195, -105, 195, 105]);
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
describe('ol.render.canvas.PolygonBuilder', function () {
|
||||
let replay;
|
||||
|
||||
beforeEach(function () {
|
||||
const tolerance = 1;
|
||||
const extent = [-180, -90, 180, 90];
|
||||
const resolution = 10;
|
||||
replay = new CanvasPolygonBuilder(tolerance, extent, resolution);
|
||||
});
|
||||
|
||||
describe('#drawFlatCoordinatess_()', function () {
|
||||
it('returns correct offset', function () {
|
||||
const coords = [1, 2, 3, 4, 5, 6, 1, 2, 1, 2, 3, 4, 5, 6, 1, 2];
|
||||
const ends = [7, 14];
|
||||
const stroke = new Stroke({
|
||||
width: 5,
|
||||
});
|
||||
replay.setFillStrokeStyle(null, stroke);
|
||||
let offset = replay.drawFlatCoordinatess_(coords, 0, ends, 2);
|
||||
expect(offset).to.be(14);
|
||||
replay.setFillStrokeStyle(null, null);
|
||||
offset = replay.drawFlatCoordinatess_(coords, 0, ends, 2);
|
||||
expect(offset).to.be(14);
|
||||
});
|
||||
});
|
||||
|
||||
describe('#getBufferedMaxExtent()', function () {
|
||||
it('buffers the max extent to accommodate stroke width', function () {
|
||||
const stroke = new Stroke({
|
||||
width: 5,
|
||||
});
|
||||
replay.setFillStrokeStyle(null, stroke);
|
||||
const buffered = replay.getBufferedMaxExtent();
|
||||
expect(buffered).to.eql([-210, -120, 210, 120]);
|
||||
});
|
||||
});
|
||||
});
|
||||
Reference in New Issue
Block a user