Tests for all Components

src/pages/SettingsPage/SettingsPage.test.js

@@ -0,0 +1,41 @@
+import {shallow} from "enzyme";
+import React from "react";
+import SettingsPage from "./SettingsPage";
+
+function prepareFetchApi(response) {
+    const mockJsonPromise = Promise.resolve(response);
+    const mockFetchPromise = Promise.resolve({
+        json: () => mockJsonPromise,
+    });
+    return (jest.fn().mockImplementation(() => mockFetchPromise));
+}
+
+describe('<RandomPage/>', function () {
+    it('renders without crashing ', function () {
+        const wrapper = shallow(<SettingsPage/>);
+        wrapper.unmount();
+    });
+
+    it('received text renders into dom', function () {
+        const wrapper = shallow(<SettingsPage/>);
+
+        wrapper.setState({
+            text: [
+                "firstline",
+                "secline"
+            ]
+        });
+
+        expect(wrapper.find(".indextextarea").find(".textarea-element")).toHaveLength(2);
+    });
+
+    it('test simulate reindex', function () {
+        global.fetch = prepareFetchApi({});
+        const wrapper = shallow(<SettingsPage/>);
+
+        wrapper.find(".reindexbtn").simulate("click");
+
+        // initial send of reindex request to server
+        expect(global.fetch).toBeCalledTimes(1);
+    });
+});