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Cesium3DTilesTester.js
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define([
'Core/arrayFill',
'Core/Color',
'Core/defaultValue',
'Core/defined',
'Core/Resource',
'Scene/Cesium3DTileContentFactory',
'Scene/Cesium3DTileset',
'Scene/TileBoundingSphere',
'Specs/pollToPromise'
], function(
arrayFill,
Color,
defaultValue,
defined,
Resource,
Cesium3DTileContentFactory,
Cesium3DTileset,
TileBoundingSphere,
pollToPromise) {
'use strict';
var mockTile = {
contentBoundingVolume : new TileBoundingSphere(),
_contentBoundingVolume : new TileBoundingSphere(),
_header : {
content : {
boundingVolume : {
sphere : [0.0, 0.0, 0.0, 1.0]
}
}
}
};
function Cesium3DTilesTester() {
}
function padStringToByteAlignment(string, byteAlignment) {
var length = string.length;
var paddedLength = Math.ceil(length / byteAlignment) * byteAlignment; // Round up to the required alignment
var padding = paddedLength - length;
var whitespace = '';
for (var i = 0; i < padding; ++i) {
whitespace += ' ';
}
return string + whitespace;
}
Cesium3DTilesTester.expectRender = function(scene, tileset, callback) {
tileset.show = false;
expect(scene).toRender([0, 0, 0, 255]);
tileset.show = true;
expect(scene).toRenderAndCall(function(rgba) {
expect(rgba).not.toEqual([0, 0, 0, 255]);
if (defined(callback)) {
callback(rgba);
}
});
};
Cesium3DTilesTester.expectRenderBlank = function(scene, tileset) {
tileset.show = false;
expect(scene).toRender([0, 0, 0, 255]);
tileset.show = true;
expect(scene).toRender([0, 0, 0, 255]);
};
Cesium3DTilesTester.expectRenderTileset = function(scene, tileset) {
// Verify render before being picked
Cesium3DTilesTester.expectRender(scene, tileset);
// Pick a feature
expect(scene).toPickAndCall(function(result) {
expect(result).toBeDefined();
// Change the color of the picked feature to yellow
result.color = Color.clone(Color.YELLOW, result.color);
// Expect the pixel color to be some shade of yellow
Cesium3DTilesTester.expectRender(scene, tileset, function(rgba) {
expect(rgba[0]).toBeGreaterThan(0);
expect(rgba[1]).toBeGreaterThan(0);
expect(rgba[2]).toEqual(0);
expect(rgba[3]).toEqual(255);
});
// Turn show off and on
result.show = false;
Cesium3DTilesTester.expectRenderBlank(scene, tileset);
result.show = true;
Cesium3DTilesTester.expectRender(scene, tileset);
});
};
Cesium3DTilesTester.waitForTilesLoaded = function(scene, tileset) {
return pollToPromise(function() {
scene.renderForSpecs();
return tileset.tilesLoaded;
}).then(function() {
scene.renderForSpecs();
return tileset;
});
};
Cesium3DTilesTester.waitForReady = function(scene, tileset) {
return pollToPromise(function() {
scene.renderForSpecs();
return tileset.ready;
}).then(function() {
return tileset;
});
};
Cesium3DTilesTester.loadTileset = function(scene, url, options) {
options = defaultValue(options, {});
options.url = url;
// Load all visible tiles
var tileset = scene.primitives.add(new Cesium3DTileset(options));
return Cesium3DTilesTester.waitForTilesLoaded(scene, tileset);
};
Cesium3DTilesTester.loadTileExpectError = function(scene, arrayBuffer, type) {
var tileset = {};
var url = Resource.createIfNeeded('');
expect(function() {
return Cesium3DTileContentFactory[type](tileset, mockTile, url, arrayBuffer, 0);
}).toThrowRuntimeError();
};
Cesium3DTilesTester.loadTile = function(scene, arrayBuffer, type) {
var tileset = {
_statistics : {
batchTableByteLength : 0
}
};
var url = Resource.createIfNeeded('');
var content = Cesium3DTileContentFactory[type](tileset, mockTile, url, arrayBuffer, 0);
content.update(tileset, scene.frameState);
return content;
};
// Use counter to prevent models from sharing the same cache key,
// this fixes tests that load a model with the same invalid url
var counter = 0;
Cesium3DTilesTester.rejectsReadyPromiseOnError = function(scene, arrayBuffer, type) {
var tileset = {
basePath : counter++,
_statistics : {
batchTableByteLength : 0
}
};
var url = Resource.createIfNeeded('');
var content = Cesium3DTileContentFactory[type](tileset, mockTile, url, arrayBuffer, 0);
content.update(tileset, scene.frameState);
return content.readyPromise.then(function(content) {
fail('should not resolve');
}).otherwise(function(error) {
expect(error).toBeDefined();
});
};
Cesium3DTilesTester.resolvesReadyPromise = function(scene, url) {
return Cesium3DTilesTester.loadTileset(scene, url).then(function(tileset) {
var content = tileset.root.content;
return content.readyPromise.then(function(content) {
expect(content).toBeDefined();
});
});
};
Cesium3DTilesTester.tileDestroys = function(scene, url) {
return Cesium3DTilesTester.loadTileset(scene, url).then(function(tileset) {
var content = tileset.root.content;
expect(content.isDestroyed()).toEqual(false);
scene.primitives.remove(tileset);
expect(content.isDestroyed()).toEqual(true);
});
};
Cesium3DTilesTester.generateBatchedTileBuffer = function(options) {
// Procedurally generate the tile array buffer for testing purposes
options = defaultValue(options, defaultValue.EMPTY_OBJECT);
var magic = defaultValue(options.magic, [98, 51, 100, 109]);
var version = defaultValue(options.version, 1);
var featuresLength = defaultValue(options.featuresLength, 1);
var featureTableJson = {
BATCH_LENGTH : featuresLength
};
var featureTableJsonString = JSON.stringify(featureTableJson);
var featureTableJsonByteLength = featureTableJsonString.length;
var headerByteLength = 28;
var byteLength = headerByteLength + featureTableJsonByteLength;
var buffer = new ArrayBuffer(byteLength);
var view = new DataView(buffer);
view.setUint8(0, magic[0]);
view.setUint8(1, magic[1]);
view.setUint8(2, magic[2]);
view.setUint8(3, magic[3]);
view.setUint32(4, version, true); // version
view.setUint32(8, byteLength, true); // byteLength
view.setUint32(12, featureTableJsonByteLength, true); // featureTableJsonByteLength
view.setUint32(16, 0, true); // featureTableBinaryByteLength
view.setUint32(20, 0, true); // batchTableJsonByteLength
view.setUint32(24, 0, true); // batchTableBinaryByteLength
var i;
var byteOffset = headerByteLength;
for (i = 0; i < featureTableJsonByteLength; i++) {
view.setUint8(byteOffset, featureTableJsonString.charCodeAt(i));
byteOffset++;
}
return buffer;
};
Cesium3DTilesTester.generateInstancedTileBuffer = function(options) {
// Procedurally generate the tile array buffer for testing purposes
options = defaultValue(options, defaultValue.EMPTY_OBJECT);
var magic = defaultValue(options.magic, [105, 51, 100, 109]);
var version = defaultValue(options.version, 1);
var gltfFormat = defaultValue(options.gltfFormat, 1);
var gltfUri = defaultValue(options.gltfUri, '');
var gltfUriByteLength = gltfUri.length;
var featuresLength = defaultValue(options.featuresLength, 1);
var featureTableJson = {
INSTANCES_LENGTH : featuresLength,
POSITION : arrayFill(new Array(featuresLength * 3), 0)
};
var featureTableJsonString = JSON.stringify(featureTableJson);
var featureTableJsonByteLength = featureTableJsonString.length;
var headerByteLength = 32;
var uriByteLength = gltfUri.length;
var byteLength = headerByteLength + featureTableJsonByteLength + uriByteLength;
var buffer = new ArrayBuffer(byteLength);
var view = new DataView(buffer);
view.setUint8(0, magic[0]);
view.setUint8(1, magic[1]);
view.setUint8(2, magic[2]);
view.setUint8(3, magic[3]);
view.setUint32(4, version, true); // version
view.setUint32(8, byteLength, true); // byteLength
view.setUint32(12, featureTableJsonByteLength, true); // featureTableJsonByteLength
view.setUint32(16, 0, true); // featureTableBinaryByteLength
view.setUint32(20, 0, true); // batchTableJsonByteLength
view.setUint32(24, 0, true); // batchTableBinaryByteLength
view.setUint32(28, gltfFormat, true); // gltfFormat
var i;
var byteOffset = headerByteLength;
for (i = 0; i < featureTableJsonByteLength; i++) {
view.setUint8(byteOffset, featureTableJsonString.charCodeAt(i));
byteOffset++;
}
for (i = 0; i < gltfUriByteLength; i++) {
view.setUint8(byteOffset, gltfUri.charCodeAt(i));
byteOffset++;
}
return buffer;
};
Cesium3DTilesTester.generatePointCloudTileBuffer = function(options) {
// Procedurally generate the tile array buffer for testing purposes
options = defaultValue(options, defaultValue.EMPTY_OBJECT);
var magic = defaultValue(options.magic, [112, 110, 116, 115]);
var version = defaultValue(options.version, 1);
var featureTableJson = options.featureTableJson;
if (!defined(featureTableJson)) {
featureTableJson = {
POINTS_LENGTH : 1,
POSITIONS : {
byteOffset : 0
}
};
}
var featureTableJsonString = JSON.stringify(featureTableJson);
featureTableJsonString = padStringToByteAlignment(featureTableJsonString, 4);
var featureTableJsonByteLength = defaultValue(options.featureTableJsonByteLength, featureTableJsonString.length);
var featureTableBinary = new ArrayBuffer(12); // Enough space to hold 3 floats
var featureTableBinaryByteLength = featureTableBinary.byteLength;
var headerByteLength = 28;
var byteLength = headerByteLength + featureTableJsonByteLength + featureTableBinaryByteLength;
var buffer = new ArrayBuffer(byteLength);
var view = new DataView(buffer);
view.setUint8(0, magic[0]);
view.setUint8(1, magic[1]);
view.setUint8(2, magic[2]);
view.setUint8(3, magic[3]);
view.setUint32(4, version, true); // version
view.setUint32(8, byteLength, true); // byteLength
view.setUint32(12, featureTableJsonByteLength, true); // featureTableJsonByteLength
view.setUint32(16, featureTableBinaryByteLength, true); // featureTableBinaryByteLength
view.setUint32(20, 0, true); // batchTableJsonByteLength
view.setUint32(24, 0, true); // batchTableBinaryByteLength
var i;
var byteOffset = headerByteLength;
for (i = 0; i < featureTableJsonByteLength; i++) {
view.setUint8(byteOffset, featureTableJsonString.charCodeAt(i));
byteOffset++;
}
for (i = 0; i < featureTableBinaryByteLength; i++) {
view.setUint8(byteOffset, featureTableBinary[i]);
byteOffset++;
}
return buffer;
};
Cesium3DTilesTester.generateCompositeTileBuffer = function(options) {
// Procedurally generate the tile array buffer for testing purposes
options = defaultValue(options, defaultValue.EMPTY_OBJECT);
var magic = defaultValue(options.magic, [99, 109, 112, 116]);
var version = defaultValue(options.version, 1);
var tiles = defaultValue(options.tiles, []);
var tilesLength = tiles.length;
var i;
var tilesByteLength = 0;
for (i = 0; i < tilesLength; ++i) {
tilesByteLength += tiles[i].byteLength;
}
var headerByteLength = 16;
var byteLength = headerByteLength + tilesByteLength;
var buffer = new ArrayBuffer(byteLength);
var uint8Array = new Uint8Array(buffer);
var view = new DataView(buffer);
view.setUint8(0, magic[0]);
view.setUint8(1, magic[1]);
view.setUint8(2, magic[2]);
view.setUint8(3, magic[3]);
view.setUint32(4, version, true); // version
view.setUint32(8, byteLength, true); // byteLength
view.setUint32(12, tilesLength, true); // tilesLength
var byteOffset = headerByteLength;
for (i = 0; i < tilesLength; ++i) {
var tile = new Uint8Array(tiles[i]);
uint8Array.set(tile, byteOffset);
byteOffset += tile.byteLength;
}
return buffer;
};
Cesium3DTilesTester.generateVectorTileBuffer = function(options) {
// Procedurally generate the tile array buffer for testing purposes
options = defaultValue(options, defaultValue.EMPTY_OBJECT);
var magic = defaultValue(options.magic, [118, 99, 116, 114]);
var version = defaultValue(options.version, 1);
var featureTableJsonString;
var featureTableJsonByteLength = 0;
var defineFeatureTable = defaultValue(options.defineFeatureTable, true);
if (defineFeatureTable) {
var defineRegion = defaultValue(options.defineRegion, true);
var featureTableJson = {
REGION : defineRegion ? [-1.0, -1.0, 1.0, 1.0, -1.0, 1.0] : undefined,
POLYGONS_LENGTH : defaultValue(options.polygonsLength, 0),
POLYLINES_LENGTH : defaultValue(options.polylinesLength, 0),
POINTS_LENGTH : defaultValue(options.pointsLength, 0),
POLYGON_BATCH_IDS : options.polygonBatchIds,
POLYLINE_BATCH_IDS : options.polylineBatchIds,
POINT_BATCH_IDS : options.pointBatchIds
};
featureTableJsonString = JSON.stringify(featureTableJson);
featureTableJsonByteLength = featureTableJsonString.length;
}
var headerByteLength = 44;
var byteLength = headerByteLength + featureTableJsonByteLength;
var buffer = new ArrayBuffer(byteLength);
var view = new DataView(buffer);
view.setUint8(0, magic[0]);
view.setUint8(1, magic[1]);
view.setUint8(2, magic[2]);
view.setUint8(3, magic[3]);
view.setUint32(4, version, true); // version
view.setUint32(8, byteLength, true); // byteLength
view.setUint32(12, featureTableJsonByteLength, true); // featureTableJsonByteLength
view.setUint32(16, 0, true); // featureTableBinaryByteLength
view.setUint32(20, 0, true); // batchTableJsonByteLength
view.setUint32(24, 0, true); // batchTableBinaryByteLength
view.setUint32(28, 0, true); // indicesByteLength
view.setUint32(32, 0, true); // polygonPositionByteLength
view.setUint32(36, 0, true); // polylinePositionByteLength
view.setUint32(40, 0, true); // pointsPositionByteLength
var i;
var byteOffset = headerByteLength;
for (i = 0; i < featureTableJsonByteLength; i++) {
view.setUint8(byteOffset, featureTableJsonString.charCodeAt(i));
byteOffset++;
}
return buffer;
};
Cesium3DTilesTester.generateGeometryTileBuffer = function(options) {
// Procedurally generate the tile array buffer for testing purposes
options = defaultValue(options, defaultValue.EMPTY_OBJECT);
var magic = defaultValue(options.magic, [103, 101, 111, 109]);
var version = defaultValue(options.version, 1);
var featureTableJsonString;
var featureTableJsonByteLength = 0;
var defineFeatureTable = defaultValue(options.defineFeatureTable, true);
if (defineFeatureTable) {
var featureTableJson = {
BOXES_LENGTH : defaultValue(options.boxesLength, 0),
CYLINDERS_LENGTH : defaultValue(options.cylindersLength, 0),
ELLIPSOIDS_LENGTH : defaultValue(options.ellipsoidsLength, 0),
SPHERES_LENGTH : defaultValue(options.spheresLength, 0),
BOX_BATCH_IDS : options.boxBatchIds,
CYLINDER_BATCH_IDS : options.cylinderBatchIds,
ELLIPSOID_BATCH_IDS : options.ellipsoidBatchIds,
SPHERE_BATCH_IDS : options.sphereBatchIds
};
featureTableJsonString = JSON.stringify(featureTableJson);
featureTableJsonByteLength = featureTableJsonString.length;
}
var headerByteLength = 28;
var byteLength = headerByteLength + featureTableJsonByteLength;
var buffer = new ArrayBuffer(byteLength);
var view = new DataView(buffer);
view.setUint8(0, magic[0]);
view.setUint8(1, magic[1]);
view.setUint8(2, magic[2]);
view.setUint8(3, magic[3]);
view.setUint32(4, version, true); // version
view.setUint32(8, byteLength, true); // byteLength
view.setUint32(12, featureTableJsonByteLength, true); // featureTableJsonByteLength
view.setUint32(16, 0, true); // featureTableBinaryByteLength
view.setUint32(20, 0, true); // batchTableJsonByteLength
view.setUint32(24, 0, true); // batchTableBinaryByteLength
var i;
var byteOffset = headerByteLength;
for (i = 0; i < featureTableJsonByteLength; i++) {
view.setUint8(byteOffset, featureTableJsonString.charCodeAt(i));
byteOffset++;
}
return buffer;
};
return Cesium3DTilesTester;
});