test(core): error operation on addLayer

iTowns · Aug 21, 2018 · fc83923 · fc83923
1 parent 44ca042
commit fc83923
Showing 1 changed file with 52 additions and 0 deletions.
diff --git a/test/examples/globe.js b/test/examples/globe.js
@@ -25,4 +25,56 @@ describe('globe', () => {
         assert.equal(2, level);
         await page.close();
     });
+    it('should not add layers beyond the capabilities', async function _() {
+        const page = await browser.newPage();
+        await loadExample(page,
+            `http://localhost:${itownsPort}/examples/globe.html`,
+            this.test.fullTitle());
+
+        const maxColorSamplerUnitsCount = await page
+            .evaluate(type => globeView.wgs84TileLayer.level0Nodes[0]
+                .material.textures[type].length, 1);
+        const colorSamplerUnitsCount = await page.evaluate(() =>
+                globeView.wgs84TileLayer.countColorLayersTextures(globeView.getLayers(l => l.type === 'color')[0]));
+        const limit = maxColorSamplerUnitsCount - colorSamplerUnitsCount;
+
+        // add layers just below the capacity limit
+        const underLimit = await page.evaluate(maxLayersCount =>
+            itowns.Fetcher.json('./layers/JSONLayers/OrthosCRS.json').then((params) => {
+                const promises = [];
+                for (let i = 0; i < maxLayersCount; i++) {
+                    const layerParams = Object.assign({}, params);
+                    layerParams.id = `${layerParams.id}_${i}`;
+                    promises.push(globeView.addLayer(layerParams));
+                }
+                return Promise.all(promises).then(() => true).catch(() => false);
+            }), limit);
+
+        // add one layer just over the capacity limit
+        // verify if the error is handled
+        const errorOverLimit = await page.evaluate(() =>
+            itowns.Fetcher.json('./layers/JSONLayers/OrthosCRS.json').then((params) => {
+                const layerParams = Object.assign({}, params);
+                layerParams.id = 'max';
+                return globeView.addLayer(layerParams).then(() => false).catch(() => true);
+            }));
+
+        assert.ok(underLimit);
+        assert.ok(errorOverLimit);
+        await page.close();
+    });
+    it('should not add layer with id already used', async function _() {
+        const page = await browser.newPage();
+
+        await loadExample(page,
+            `http://localhost:${itownsPort}/examples/globe.html`,
+            this.test.fullTitle());
+
+        const error = await page.evaluate(() => itowns.Fetcher.json('./layers/JSONLayers/Ortho.json').then(globeView.addLayer).catch(() => true));
+        const colorLayersCount = await page.evaluate(() => globeView.getLayers(l => l.type === 'color').length);
+
+        assert.ok(error && colorLayersCount === 1);
+        page.close();
+        await page.close();
+    });
 });