<NME> hotTableHelpers.spec.ts
<BEF> ADDFILE
<MSG> Merge branch 'release/4.1.0'

<DFF> @@ -0,0 +1,73 @@
+import {
+  rewriteSettings,
+  prepareSettings,
+  propFactory
+} from '../src/helpers';
+
+describe('rewriteSettings', () => {
+  it('should rewrite the settings element passed to the watchers to be a clean object prepared to use withing Handsontable config, when the input element is an object', () => {
+    const fakeWatcher = () => {};
+    fakeWatcher.prototype.sampleMethod = () => {};
+    fakeWatcher.prototype.sampleProperty = null;
+
+    const fakeWatcherInstance = new fakeWatcher();
+    fakeWatcherInstance.testedProperty = null;
+    fakeWatcherInstance.testedMethod = () => {};
+
+    expect(typeof fakeWatcherInstance.sampleMethod).toEqual('function');
+    expect(typeof fakeWatcherInstance.testedMethod).toEqual('function');
+    expect(fakeWatcherInstance.sampleProperty).toEqual(null);
+    expect(fakeWatcherInstance.testedProperty).toEqual(null);
+
+    let cleanObject: any = rewriteSettings(fakeWatcherInstance);
+
+    expect(typeof cleanObject.sampleMethod).toEqual('undefined');
+    expect(typeof cleanObject.testedMethod).toEqual('function');
+    expect(cleanObject.sampleProperty).toEqual(void 0);
+    expect(cleanObject.testedProperty).toEqual(null);
+    expect(Object.prototype.toString.call(cleanObject)).toEqual('[object Object]');
+  });
+});
+
+describe('propFactory', () => {
+  it('should generate an object containing all the available Handsontable properties and plugin hooks', () => {
+    const props: any = propFactory();
+
+    expect(typeof props.startRows).toEqual('object');
+    expect(typeof props.startCols).toEqual('object');
+    expect(typeof props.data).toEqual('object');
+    expect(typeof props.fixedRowsTop).toEqual('object');
+    expect(typeof props.afterCreateRow).toEqual('object');
+    expect(typeof props.afterGetCellMeta).toEqual('object');
+    expect(typeof props.beforeInit).toEqual('object');
+    expect(typeof props.randomProp).toEqual('undefined');
+  });
+});
+
+describe('prepareSettings', () => {
+  it('should prepare the settings passed to the component props to be used within Handsontable', () => {
+    const propsMock = {
+      id: 'hot-id',
+      readOnly: true,
+      colHeaders: true,
+      afterChange: () => 'afterChangeResult',
+      settings: {
+        rowHeaders: true,
+        data: [[1, 2], [3, 4]],
+        afterUpdateSettings: () => 'afterUpdateSettingsResult'
+      }
+    };
+
+    const preparedSettings = prepareSettings(propsMock);
+
+    expect(preparedSettings.readOnly).toBe(true);
+    expect(preparedSettings.colHeaders).toBe(true);
+    expect(preparedSettings.rowHeaders).toBe(true);
+    expect(preparedSettings.data).toEqual([[1, 2], [3, 4]]);
+    expect(preparedSettings.afterUpdateSettings()).toBe('afterUpdateSettingsResult');
+    expect(preparedSettings.afterChange()).toBe('afterChangeResult');
+    expect(preparedSettings.id).toBe(void 0);
+    expect(preparedSettings.settings).toBe(void 0);
+    expect(preparedSettings.wrapperRendererCacheSize).toBe(void 0);
+  });
+});

Merge branch 'release/4.1.0'