Deprecate the imageSmoothing option for sources

test/browser/spec/ol/source/ImageStatic.test.js

@@ -0,0 +1,123 @@
+import Static from '../../../../../src/ol/source/ImageStatic.js';
+import {get as getProjection} from '../../../../../src/ol/proj.js';
+
+describe('ol/source/ImageStatic', function () {
+  let extent, pixelRatio, projection, resolution;
+  beforeEach(function () {
+    extent = [
+      -13637278.73946974, 4543799.13271362, -13617443.330629736,
+      4553927.038961405,
+    ];
+    pixelRatio = 1;
+    projection = getProjection('EPSG:3857');
+    resolution = 38;
+  });
+
+  describe('#getInterpolate()', function () {
+    it('is true by default', function () {
+      const source = new Static({});
+      expect(source.getInterpolate()).to.be(true);
+    });
+
+    it('is false if constructed with interpolate: false', function () {
+      const source = new Static({interpolate: false});
+      expect(source.getInterpolate()).to.be(false);
+    });
+
+    it('is false if constructed with imageSmoothing: false', function () {
+      const source = new Static({imageSmoothing: false});
+      expect(source.getInterpolate()).to.be(false);
+    });
+  });
+
+  describe('#getImage', function () {
+    it('scales image height to fit imageExtent', function (done) {
+      const source = new Static({
+        url: 'spec/ol/source/images/12-655-1583.png',
+        imageExtent: [
+          -13629027.891360067, 4539747.983913189, -13619243.951739565,
+          4559315.863154193,
+        ],
+        projection: projection,
+      });
+
+      const image = source.getImage(extent, resolution, pixelRatio, projection);
+
+      source.on('imageloadend', function (event) {
+        expect(image.getImage().width).to.be(256);
+        expect(image.getImage().height).to.be(512);
+        done();
+      });
+
+      image.load();
+    });
+
+    it('scales image width to fit imageExtent', function (done) {
+      const source = new Static({
+        url: 'spec/ol/source/images/12-655-1583.png',
+        imageExtent: [
+          -13629027.891360067, 4539747.983913189, -13609460.012119063,
+          4549531.923533691,
+        ],
+        projection: projection,
+      });
+
+      const image = source.getImage(extent, resolution, pixelRatio, projection);
+
+      source.on('imageloadend', function (event) {
+        expect(image.getImage().width).to.be(512);
+        expect(image.getImage().height).to.be(256);
+        done();
+      });
+
+      image.load();
+    });
+
+    it('respects imageSize', function (done) {
+      const source = new Static({
+        url: 'spec/ol/source/images/12-655-1583.png',
+        imageExtent: [
+          -13629027.891360067, 4539747.983913189, -13619243.951739565,
+          4559315.863154193,
+        ],
+        imageSize: [254, 254],
+        projection: projection,
+      });
+
+      const image = source.getImage(extent, resolution, pixelRatio, projection);
+
+      source.on('imageloadend', function (event) {
+        expect(image.getImage().width).to.be(254);
+        expect(image.getImage().height).to.be(508);
+        done();
+      });
+
+      image.load();
+    });
+
+    it('triggers image load events', function (done) {
+      const source = new Static({
+        url: 'spec/ol/source/images/12-655-1583.png',
+        imageExtent: [
+          -13629027.891360067, 4539747.983913189, -13619243.951739565,
+          4549531.923533691,
+        ],
+        projection: projection,
+      });
+
+      const imageloadstart = sinon.spy();
+      const imageloaderror = sinon.spy();
+
+      source.on('imageloadstart', imageloadstart);
+      source.on('imageloaderror', imageloaderror);
+      source.on('imageloadend', function (event) {
+        expect(imageloadstart.callCount).to.be(1);
+        expect(imageloaderror.callCount).to.be(0);
+        done();
+      });
+
+      const image = source.getImage(extent, resolution, pixelRatio, projection);
+      image.load();
+    });
+  });
+});