test(core): add source unit test

test/unit/source.js

@@ -0,0 +1,80 @@
+import assert from 'assert';
+import fs from 'fs';
+import Path from 'path';
+import Source from '../../src/Source/Source';
+import WMTSSource from '../../src/Source/WMTSSource';
+import WMSSource from '../../src/Source/WMSSource';
+import TMSSource from '../../src/Source/TMSSource';
+import fileSource from '../../src/Source/fileSource';
+import StaticSource from '../../src/Source/StaticSource';
+import Fetcher from '../../src/Provider/Fetcher';
+
+function defer() {
+    var deferredPromise = {};
+    deferredPromise.promise = new Promise(function (resolve) {
+        deferredPromise.resolve = resolve;
+    });
+    return deferredPromise;
+}
+
+const geojson = defer();
+
+// To load geojson without parse the file content
+const urlGeojson = Path.resolve(__dirname, '../data/geojson/holes.geojson.json');
+fs.readFile(urlGeojson, 'utf8', function (err, content) {
+    geojson.resolve(content);
+});
+
+global.window = {};
+
+describe('Source', function () {
+    it('Should instance Source', function () {
+        const source = new Source({
+            url: 'http://',
+            protocol: 'unknow' });
+        assert.ok(source.protocol);
+    });
+    it('Should instance WMTSSource', function () {
+        const source = new WMTSSource({
+            url: 'http://',
+            protocol: 'wmts',
+            format: 'image/png',
+        });
+        assert.ok(source.protocol);
+    });
+    it('Should instance WMSSource', function () {
+        const source = new WMSSource({
+            url: 'http://',
+            name: 'name',
+            protocol: 'wms',
+            format: 'image/png',
+            extent: [-90, 90, -45, 45],
+            projection: 'EPSG:4326',
+        });
+        assert.ok(source.protocol);
+    });
+    it('Should instance TMSSource', function () {
+        const source = new TMSSource({
+            url: 'http://',
+            protocol: 'tms',
+        });
+        assert.ok(source.protocol);
+    });
+    it('Should instance FileSource', function () {
+        Fetcher.text = function () { return geojson.promise; };
+        const source = new fileSource({
+            url: '..',
+            protocol: 'file',
+        }, 'EPSG:4326');
+        assert.ok(source.protocol);
+    });
+    it('Should instance StaticSource', function () {
+        Fetcher.json = function () { return Promise.resolve({}); };
+        const source = new StaticSource({
+            url: 'http://itowns.org',
+            protocol: 'file',
+            extent: [-90, 90, -45, 45],
+        });
+        assert.ok(source.protocol);
+    });
+});