Refactor WebGL render tests
This commit is contained in:
GaborFarkas
209
test/spec/ol/render/webgl/linestringreplay.test.js
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209
test/spec/ol/render/webgl/linestringreplay.test.js
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goog.provide('ol.test.render.webgl.LineStringReplay');
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goog.require('ol.geom.LineString');
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goog.require('ol.geom.MultiLineString');
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goog.require('ol.render.webgl.LineStringReplay');
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goog.require('ol.style.Stroke');
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describe('ol.render.webgl.LineStringReplay', function() {
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var replay;
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var strokeStyle1 = new ol.style.Stroke({
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color: [0, 255, 0, 0.4]
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});
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var strokeStyle2 = new ol.style.Stroke({
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color: [255, 0, 0, 1],
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lineCap: 'square',
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lineJoin: 'miter'
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});
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beforeEach(function() {
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var tolerance = 0.1;
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var maxExtent = [-10000, -20000, 10000, 20000];
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replay = new ol.render.webgl.LineStringReplay(tolerance, maxExtent);
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});
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describe('#setFillStrokeStyle', function() {
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it('set expected states', function() {
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replay.setFillStrokeStyle(null, strokeStyle1);
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expect(replay.state_).not.be(null);
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expect(replay.state_.lineCap).to.be('round');
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expect(replay.state_.lineJoin).to.be('round');
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expect(replay.state_.strokeColor).to.eql([0, 1, 0, 0.4]);
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expect(replay.state_.lineWidth).to.be(1);
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expect(replay.state_.miterLimit).to.be(10);
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expect(replay.state_.changed).to.be(true);
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expect(replay.styles_).to.have.length(1);
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replay.setFillStrokeStyle(null, strokeStyle2);
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expect(replay.state_.lineCap).to.be('square');
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expect(replay.state_.lineJoin).to.be('miter');
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expect(replay.state_.strokeColor).to.eql([1, 0, 0, 1]);
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expect(replay.state_.lineWidth).to.be(1);
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expect(replay.state_.miterLimit).to.be(10);
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expect(replay.state_.changed).to.be(true);
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expect(replay.styles_).to.have.length(2);
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});
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});
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describe('#drawLineString', function() {
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it('sets the buffer data', function() {
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var linestring;
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linestring = new ol.geom.LineString(
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[[1000, 2000], [2000, 3000]]);
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replay.setFillStrokeStyle(null, strokeStyle1);
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replay.drawLineString(linestring, null);
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expect(replay.vertices).to.have.length(56);
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expect(replay.indices).to.have.length(18);
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expect(replay.state_.changed).to.be(false);
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expect(replay.startIndices).to.have.length(1);
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expect(replay.startIndicesFeature).to.have.length(1);
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linestring = new ol.geom.LineString(
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[[1000, 3000], [2000, 4000], [3000, 3000]]);
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replay.drawLineString(linestring, null);
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expect(replay.vertices).to.have.length(140);
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expect(replay.indices).to.have.length(48);
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expect(replay.state_.changed).to.be(false);
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expect(replay.startIndices).to.have.length(2);
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expect(replay.startIndicesFeature).to.have.length(2);
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});
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});
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describe('#drawMultiLineString', function() {
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it('sets the buffer data', function() {
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var multilinestring;
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multilinestring = new ol.geom.MultiLineString(
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[[[1000, 2000], [2000, 3000]],
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[[1000, 3000], [2000, 4000], [3000, 3000]]]);
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replay.setFillStrokeStyle(null, strokeStyle1);
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replay.drawMultiLineString(multilinestring, null);
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expect(replay.vertices).to.have.length(140);
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expect(replay.indices).to.have.length(48);
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expect(replay.state_.changed).to.be(false);
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expect(replay.startIndices).to.have.length(1);
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expect(replay.startIndicesFeature).to.have.length(1);
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});
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});
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describe('#drawCoordinates_', function() {
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it('triangulates linestrings', function() {
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var linestring;
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var stroke = new ol.style.Stroke({
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color: [0, 255, 0, 1],
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lineCap: 'butt',
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lineJoin: 'bevel'
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});
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linestring = new ol.geom.LineString(
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[[1000, 3000], [2000, 4000], [3000, 3000]]);
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var flatCoordinates = linestring.getFlatCoordinates();
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replay.setFillStrokeStyle(null, stroke);
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replay.drawCoordinates_(flatCoordinates, 0,
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flatCoordinates.length, 2);
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expect(replay.indices).to.eql(
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[2, 0, 1, 4, 2, 1,
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2, 4, 3,
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5, 3, 4, 4, 6, 5]);
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});
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it('optionally creates miters', function() {
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var linestring;
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var stroke = new ol.style.Stroke({
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color: [0, 255, 0, 1],
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lineCap: 'butt'
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});
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linestring = new ol.geom.LineString(
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[[1000, 3000], [2000, 4000], [3000, 3000]]);
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var flatCoordinates = linestring.getFlatCoordinates();
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replay.setFillStrokeStyle(null, stroke);
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replay.drawCoordinates_(flatCoordinates, 0,
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flatCoordinates.length, 2);
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expect(replay.indices).to.eql(
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[2, 0, 1, 4, 2, 1,
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2, 4, 3, 3, 5, 2,
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6, 3, 4, 4, 7, 6]);
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});
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it('optionally creates caps', function() {
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var linestring;
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var stroke = new ol.style.Stroke({
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color: [0, 255, 0, 1]
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});
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linestring = new ol.geom.LineString(
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[[1000, 3000], [2000, 4000], [3000, 3000]]);
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var flatCoordinates = linestring.getFlatCoordinates();
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replay.setFillStrokeStyle(null, stroke);
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replay.drawCoordinates_(flatCoordinates, 0,
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flatCoordinates.length, 2);
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expect(replay.indices).to.eql(
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[2, 0, 1, 1, 3, 2,
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4, 2, 3, 6, 4, 3,
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4, 6, 5, 5, 7, 4,
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8, 5, 6, 6, 9, 8,
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10, 8, 9, 9, 11, 10]);
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});
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it('respects segment orientation', function() {
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var linestring;
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var stroke = new ol.style.Stroke({
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color: [0, 255, 0, 1],
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lineCap: 'butt',
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lineJoin: 'bevel'
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});
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linestring = new ol.geom.LineString(
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[[1000, 3000], [2000, 2000], [3000, 3000]]);
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var flatCoordinates = linestring.getFlatCoordinates();
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replay.setFillStrokeStyle(null, stroke);
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replay.drawCoordinates_(flatCoordinates, 0,
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flatCoordinates.length, 2);
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expect(replay.indices).to.eql(
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[2, 0, 1, 4, 2, 0,
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2, 4, 3,
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5, 3, 4, 4, 6, 5]);
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});
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it('closes boundaries', function() {
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var linestring;
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var stroke = new ol.style.Stroke({
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color: [0, 255, 0, 1],
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lineCap: 'butt',
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lineJoin: 'bevel'
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});
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linestring = new ol.geom.LineString(
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[[1000, 3000], [2000, 4000], [3000, 3000], [1000, 3000]]);
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var flatCoordinates = linestring.getFlatCoordinates();
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replay.setFillStrokeStyle(null, stroke);
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replay.drawCoordinates_(flatCoordinates, 0,
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flatCoordinates.length, 2);
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expect(replay.indices).to.eql(
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[0, 2, 1, 3, 1, 2,
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5, 3, 2,
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3, 5, 4, 6, 4, 5,
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8, 6, 5,
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6, 8, 7, 9, 7, 8,
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10, 9, 8]);
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expect(replay.vertices.slice(0, 7)).to.eql(
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replay.vertices.slice(-14, -7));
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expect(replay.vertices.slice(14, 21)).to.eql(
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replay.vertices.slice(-7));
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});
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});
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});
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