[MOB-11590] Migrate Unit Tests to TypeScript (#894)

Author: TheBuggedYRN

.eslintrc.js

@@ -5,7 +5,7 @@ module.exports = {
   overrides: [
     {
       // Jest Overrides
-      files: ['tests/**'],
+      files: ['test/**'],
       env: {
         node: true,
         browser: true,

.npmignore

@@ -16,7 +16,7 @@ tsconfig.cli.json
 
 # Tests
 android/src/test/
-tests/
+test/
 jest.config.js
 
 ## Same as .gitignore

jest.config.js

@@ -7,7 +7,7 @@ module.exports = {
   clearMocks: true,
   collectCoverage: true,
   collectCoverageFrom: ['./src/**/*.(js|ts)'],
-  setupFilesAfterEnv: ['./tests/setup.js'],
+  setupFilesAfterEnv: ['./test/setup.ts'],
   moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx', 'json', 'node'],
   modulePathIgnorePatterns: ['example'],
   transform: {

test/mocks/fakeNetworkRequest.ts

@@ -0,0 +1,38 @@
+import type { Interceptor, ReplyHeaders } from 'nock';
+
+let xhr: XMLHttpRequest;
+
+export default {
+  open(method: string, url: string) {
+    xhr = new global.XMLHttpRequest();
+    xhr.open(method, url);
+  },
+  send(data?: any) {
+    xhr.send(data);
+  },
+  setRequestHeaders(headers: Record<string, string>) {
+    for (let i = 0; i < Object.keys(headers).length; i++) {
+      const key = Object.keys(headers)[i];
+      xhr.setRequestHeader(key, headers[key]);
+    }
+  },
+  setResponseType(type: XMLHttpRequestResponseType) {
+    xhr.responseType = type;
+  },
+  mockHasError() {
+    // @ts-ignore
+    xhr._hasError = true;
+  },
+  mockXHRStatus(status: number | null) {
+    // @ts-ignore
+    xhr.status = status;
+  },
+  mockResponse(
+    request: Interceptor,
+    status: number = 200,
+    body: string | Buffer = 'ok',
+    headers: ReplyHeaders = {},
+  ) {
+    request.once().reply(status, body, headers);
+  },
+};