Move interim chain tests to ol.Tile

This commit is contained in:
Thomas Moelhave
2016-09-02 15:49:31 +02:00
parent ed17cbc6f0
commit 8af5dd7157
2 changed files with 71 additions and 66 deletions

View File

@@ -60,73 +60,7 @@ describe('ol.ImageTile', function() {
tile.load();
});
});
describe('interimChain', function() {
var head, renderTile;
beforeEach(function() {
var tileCoord = [0, 0, 0];
var src = 'spec/ol/data/osm-0-0-0.png';
var tileLoadFunction = ol.source.Image.defaultImageLoadFunction;
head = new ol.ImageTile(tileCoord, ol.Tile.State.IDLE, src, null, tileLoadFunction);
ol.getUid(head);
var addToChain = function(tile, state) {
var next = new ol.ImageTile(tileCoord, state, src, null, tileLoadFunction);
ol.getUid(next);
tile.interimTile = next;
return next;
};
var tail = addToChain(head,ol.Tile.State.IDLE); //discard, deprecated by head
tail = addToChain(tail,ol.Tile.State.LOADING); //keep, request already going
tail = addToChain(tail,ol.Tile.State.IDLE); //discard, deprecated by head
tail = addToChain(tail,ol.Tile.State.LOADED); //keep, use for rendering
renderTile = tail; //store this tile for later tests
tail = addToChain(tail,ol.Tile.State.IDLE); //rest of list outdated by tile above
tail = addToChain(tail,ol.Tile.State.LOADED);
tail = addToChain(tail,ol.Tile.State.LOADING);
tail = addToChain(tail,ol.Tile.State.LOADED);
});
it('shrinks tile chain correctly', function(done) {
var chainLength = function(tile) {
var c = 0;
while (tile) {
++c;
tile = tile.interimTile;
}
return c;
};
expect(chainLength(head)).to.be(9);
head.refreshInterimChain();
expect(chainLength(head)).to.be(3);
done();
});
it('gives the right tile to render', function(done) {
expect(head.getInterimTile()).to.be(renderTile);
head.refreshInterimChain();
expect(head.getInterimTile()).to.be(renderTile);
done();
});
it('discards everything after the render tile', function(done) {
head.refreshInterimChain();
expect(renderTile.interimTile).to.be(null);
done();
});
it('preserves order of tiles', function(done) {
head.refreshInterimChain();
while (head.interimTile !== null) {
//use property of ol.getUid returning increasing id's.
expect(ol.getUid(head) < ol.getUid(head.interimTile));
head = head.interimTile;
}
done();
});
});
});

71
test/spec/ol/tile.test.js Normal file
View File

@@ -0,0 +1,71 @@
goog.provide('ol.test.Tile');
goog.require('ol.Tile');
describe('ol.Tile', function() {
describe('interimChain', function() {
var head, renderTile;
beforeEach(function() {
var tileCoord = [0, 0, 0];
head = new ol.ImageTile(tileCoord, ol.Tile.State.IDLE);
ol.getUid(head);
var addToChain = function(tile, state) {
var next = new ol.ImageTile(tileCoord, state);
ol.getUid(next);
tile.interimTile = next;
return next;
};
var tail = addToChain(head,ol.Tile.State.IDLE); //discard, deprecated by head
tail = addToChain(tail,ol.Tile.State.LOADING); //keep, request already going
tail = addToChain(tail,ol.Tile.State.IDLE); //discard, deprecated by head
tail = addToChain(tail,ol.Tile.State.LOADED); //keep, use for rendering
renderTile = tail; //store this tile for later tests
tail = addToChain(tail,ol.Tile.State.IDLE); //rest of list outdated by tile above
tail = addToChain(tail,ol.Tile.State.LOADED);
tail = addToChain(tail,ol.Tile.State.LOADING);
tail = addToChain(tail,ol.Tile.State.LOADED);
});
it('shrinks tile chain correctly', function(done) {
var chainLength = function(tile) {
var c = 0;
while (tile) {
++c;
tile = tile.interimTile;
}
return c;
};
expect(chainLength(head)).to.be(9);
head.refreshInterimChain();
expect(chainLength(head)).to.be(3);
done();
});
it('gives the right tile to render', function(done) {
expect(head.getInterimTile()).to.be(renderTile);
head.refreshInterimChain();
expect(head.getInterimTile()).to.be(renderTile);
done();
});
it('discards everything after the render tile', function(done) {
head.refreshInterimChain();
expect(renderTile.interimTile).to.be(null);
done();
});
it('preserves order of tiles', function(done) {
head.refreshInterimChain();
while (head.interimTile !== null) {
//use property of ol.getUid returning increasing id's.
expect(ol.getUid(head) < ol.getUid(head.interimTile));
head = head.interimTile;
}
done();
});
});
});