Swap over to Jest, breaking everything

test/all-tests.js

@@ -1,13 +0,0 @@
-// all-tests.js
-//
-// Our master test file: uses the webpack require API to find our test files
-// and run them
-
-// ideally these unit tests could be run under nodejs rather than in a browser
-// via karma, but having two separate test frameworks in the same project
-// seems confusing
-const unit_tests = require.context('./unit-tests', true, /\.js$/);
-unit_tests.keys().forEach(unit_tests);
-
-const app_tests = require.context('./app-tests', true, /\.jsx?$/);
-app_tests.keys().forEach(app_tests);

test/app-tests/joining-test.js

@@ -21,15 +21,16 @@ import WebPlatform from '../../src/vector/platform/WebPlatform';
 import * as sdk from "matrix-react-sdk";
 import * as jssdk from "matrix-js-sdk";
 import "../skin-sdk";
+import "../jest-mocks";
 import React from "react";
 import ReactDOM from "react-dom";
 import ReactTestUtils from "react-dom/test-utils";
-import expect from "expect";
 import {makeType} from "matrix-react-sdk/src/utils/TypeUtils";
 import {ValidatedServerConfig} from "matrix-react-sdk/src/utils/AutoDiscoveryUtils";
 import {sleep} from "../test-utils";
 import * as test_utils from "../test-utils";
 import MockHttpBackend from "matrix-mock-request";
+import "fake-indexeddb/auto";
 
 
 const MatrixChat = sdk.getComponent('structures.MatrixChat');

test/app-tests/loading-test.js

@@ -19,10 +19,10 @@ limitations under the License.
 import PlatformPeg from 'matrix-react-sdk/src/PlatformPeg';
 import WebPlatform from '../../src/vector/platform/WebPlatform';
 import '../skin-sdk';
+import "../jest-mocks";
 import React from 'react';
 import ReactDOM from 'react-dom';
 import ReactTestUtils from 'react-dom/test-utils';
-import expect from 'expect';
 import MatrixReactTestUtils from 'matrix-react-test-utils';
 import * as jssdk from 'matrix-js-sdk';
 import * as sdk from 'matrix-react-sdk';
@@ -36,21 +36,11 @@ import {parseQs, parseQsFromFragment} from '../../src/vector/url_utils';
 import {makeType} from "matrix-react-sdk/src/utils/TypeUtils";
 import {ValidatedServerConfig} from "matrix-react-sdk/src/utils/AutoDiscoveryUtils";
 import {sleep} from "../test-utils";
+import "fake-indexeddb/auto";
 
 const DEFAULT_HS_URL='http://my_server';
 const DEFAULT_IS_URL='http://my_is';
 
-expect.extend({
-    toStartWith(prefix) {
-        expect.assert(
-            this.actual.startsWith(prefix),
-            'expected %s to start with %s',
-            this.actual, prefix,
-        );
-        return this;
-    }
-});
-
 describe('loading:', function() {
     let parentDiv;
     let httpBackend;
@@ -65,7 +55,6 @@ describe('loading:', function() {
     let tokenLoginCompletePromise;
 
     beforeEach(function() {
-        test_utils.beforeEach(this);
         httpBackend = new MockHttpBackend();
         jssdk.request(httpBackend.requestFn);
         parentDiv = document.createElement('div');
@@ -94,7 +83,7 @@ describe('loading:', function() {
         expect(MatrixClientPeg.get()).toBe(null);
 
         // chrome seems to take *ages* to delete the indexeddbs.
-        this.timeout(10000);
+        await sleep(10000);
 
         // clear the indexeddbs so we can start from a clean slate next time.
         await Promise.all([

test/jest-mocks.js

@@ -0,0 +1,14 @@
+// https://jestjs.io/docs/en/manual-mocks#mocking-methods-which-are-not-implemented-in-jsdom
+Object.defineProperty(window, 'matchMedia', {
+    writable: true,
+    value: jest.fn().mockImplementation(query => ({
+        matches: false,
+        media: query,
+        onchange: null,
+        addListener: jest.fn(), // deprecated
+        removeListener: jest.fn(), // deprecated
+        addEventListener: jest.fn(),
+        removeEventListener: jest.fn(),
+        dispatchEvent: jest.fn(),
+    })),
+});