Files
openlayers/test/spec/ol/render/webgl/circlereplay.test.js
2016-11-23 09:51:37 +01:00

96 lines
3.2 KiB
JavaScript

goog.provide('ol.test.render.webgl.CircleReplay');
goog.require('ol.geom.Circle');
goog.require('ol.render.webgl.CircleReplay');
goog.require('ol.style.Fill');
goog.require('ol.style.Stroke');
describe('ol.render.webgl.CircleReplay', function() {
var replay;
var strokeStyle = new ol.style.Stroke({
color: [0, 255, 0, 0.4]
});
var fillStyle = new ol.style.Fill({
color: [255, 0, 0, 1]
});
beforeEach(function() {
var tolerance = 0.1;
var maxExtent = [-10000, -20000, 10000, 20000];
replay = new ol.render.webgl.CircleReplay(tolerance, maxExtent);
});
describe('#setFillStrokeStyle', function() {
it('set expected states', function() {
replay.setFillStrokeStyle(fillStyle, strokeStyle);
expect(replay.state_).not.be(null);
expect(replay.state_.strokeColor).to.eql([0, 1, 0, 0.4]);
expect(replay.state_.lineWidth).to.be(1);
expect(replay.state_.fillColor).to.eql([1, 0, 0, 1]);
expect(replay.state_.changed).to.be(true);
expect(replay.styles_).to.have.length(1);
});
it('sets a transparent stroke, if none provided', function() {
replay.setFillStrokeStyle(fillStyle, null);
expect(replay.state_.strokeColor).to.eql([0, 0, 0, 0]);
});
it('sets a transparent fill, if none provided', function() {
replay.setFillStrokeStyle(null, strokeStyle);
expect(replay.state_.fillColor).to.eql([0, 0, 0, 0]);
});
});
describe('#drawCircle', function() {
it('sets the buffer data', function() {
var circle = new ol.geom.Circle([0,0], 5000);
replay.setFillStrokeStyle(fillStyle, strokeStyle);
replay.drawCircle(circle, null);
expect(replay.vertices).to.have.length(12);
expect(replay.indices).to.have.length(3);
expect(replay.state_.changed).to.be(false);
expect(replay.startIndices).to.have.length(1);
expect(replay.startIndicesFeature).to.have.length(1);
expect(replay.radius_).to.be(5000);
});
it('does not draw if radius is zero', function() {
var circle = new ol.geom.Circle([0,0], 0);
replay.drawCircle(circle, null);
expect(replay.vertices).to.have.length(0);
expect(replay.indices).to.have.length(0);
expect(replay.startIndices).to.have.length(0);
expect(replay.startIndicesFeature).to.have.length(0);
});
it('resets state and removes style if it belongs to a zero radius circle', function() {
var circle = new ol.geom.Circle([0,0], 0);
replay.setFillStrokeStyle(fillStyle, strokeStyle);
replay.setFillStrokeStyle(null, strokeStyle);
replay.drawCircle(circle, null);
expect(replay.styles_).to.have.length(1);
expect(replay.state_).not.be(null);
expect(replay.state_.strokeColor).to.eql([0, 1, 0, 0.4]);
expect(replay.state_.lineWidth).to.be(1);
expect(replay.state_.fillColor).to.eql([1, 0, 0, 1]);
expect(replay.state_.changed).to.be(false);
});
});
describe('#drawCoordinates_', function() {
it('envelopes the circle into a right isosceles triangle', function() {
replay.radius_ = 5000;
replay.drawCoordinates_([0, 0], 0, 2, 2);
expect(replay.vertices).to.eql([0, 0, 0, 5000, 0, 0, 1, 5000, 0, 0, 2, 5000]);
expect(replay.indices).to.eql([0, 1, 2]);
});
});
});