89 lines
3.0 KiB
JavaScript
89 lines
3.0 KiB
JavaScript
import WebGLTextureReplay from '../../../../../src/ol/render/webgl/TextureReplay.js';
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import _ol_render_webgl_texturereplay_defaultshader_ from '../../../../../src/ol/render/webgl/texturereplay/defaultshader.js';
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import _ol_render_webgl_texturereplay_defaultshader_Locations_ from '../../../../../src/ol/render/webgl/texturereplay/defaultshader/Locations.js';
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describe('ol.render.webgl.TextureReplay', function() {
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let replay;
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beforeEach(function() {
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const tolerance = 0.1;
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const maxExtent = [-10000, -20000, 10000, 20000];
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replay = new WebGLTextureReplay(tolerance, maxExtent);
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});
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describe('#setUpProgram', function() {
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let context, gl;
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beforeEach(function() {
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context = {
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getProgram: function() {},
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useProgram: function() {}
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};
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gl = {
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enableVertexAttribArray: function() {},
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vertexAttribPointer: function() {},
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uniform1f: function() {},
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uniform2fv: function() {},
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getUniformLocation: function() {},
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getAttribLocation: function() {}
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};
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});
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it('returns the locations used by the shaders', function() {
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const locations = replay.setUpProgram(gl, context, [2, 2], 1);
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expect(locations).to.be.a(
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_ol_render_webgl_texturereplay_defaultshader_Locations_);
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});
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it('gets and compiles the shaders', function() {
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sinon.spy(context, 'getProgram');
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sinon.spy(context, 'useProgram');
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replay.setUpProgram(gl, context, [2, 2], 1);
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expect(context.getProgram.calledWithExactly(
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_ol_render_webgl_texturereplay_defaultshader_.fragment,
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_ol_render_webgl_texturereplay_defaultshader_.vertex)).to.be(true);
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expect(context.useProgram.calledOnce).to.be(true);
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});
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it('initializes the attrib pointers', function() {
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sinon.spy(gl, 'getAttribLocation');
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sinon.spy(gl, 'vertexAttribPointer');
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sinon.spy(gl, 'enableVertexAttribArray');
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replay.setUpProgram(gl, context, [2, 2], 1);
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expect(gl.vertexAttribPointer.callCount).to.be(gl.getAttribLocation.callCount);
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expect(gl.enableVertexAttribArray.callCount).to.be(
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gl.getAttribLocation.callCount);
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});
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});
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describe('#shutDownProgram', function() {
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let context, gl;
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beforeEach(function() {
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context = {
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getProgram: function() {},
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useProgram: function() {}
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};
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gl = {
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enableVertexAttribArray: function() {},
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disableVertexAttribArray: function() {},
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vertexAttribPointer: function() {},
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uniform1f: function() {},
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uniform2fv: function() {},
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getUniformLocation: function() {},
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getAttribLocation: function() {}
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};
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});
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it('disables the attrib pointers', function() {
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sinon.spy(gl, 'getAttribLocation');
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sinon.spy(gl, 'disableVertexAttribArray');
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const locations = replay.setUpProgram(gl, context, [2, 2], 1);
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replay.shutDownProgram(gl, locations);
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expect(gl.disableVertexAttribArray.callCount).to.be(
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gl.getAttribLocation.callCount);
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});
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});
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});
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