Added sample "jest" tests for counter reducer #509

templates/ReactReduxSpa/ClientApp/store/Counter.spec.ts

@@ -0,0 +1,22 @@
+import 'jest';
+import { reducer } from './Counter';
+
+describe('Coutner reducer', () => {
+    it('should handle initial state', () => {
+        expect(reducer(undefined, {} as any)).toEqual({ count: 0 });
+    });
+
+    it('should handle INCREMENT_COUNT', () => {
+        expect(reducer(
+            { count: 0 },
+            { type: 'INCREMENT_COUNT' }))
+        .toEqual({ count: 1 });
+    });
+
+    it('should handle DECREMENT_COUNT', () => {
+        expect(reducer(
+            { count: 1 },
+            { type: 'DECREMENT_COUNT' }))
+            .toEqual({ count: 0 });
+    });
+});

templates/ReactReduxSpa/package.json

@@ -1,8 +1,24 @@
 {
   "name": "WebApplicationBasic",
   "version": "0.0.0",
+  "scripts": {
+    "test": "jest"
+  },
+  "jest": {
+    "transform": {
+      ".(ts|tsx)": "<rootDir>/node_modules/ts-jest/preprocessor.js"
+    },
+    "testRegex": "(/__tests__/.*|\\.(test|spec))\\.(ts|tsx|js)$",
+    "moduleFileExtensions": [
+      "ts",
+      "tsx",
+      "js",
+      "json"
+    ]
+  },
   "dependencies": {
     "@types/history": "4.5.1",
+	"@types/jest": "20.0.0",
     "@types/react": "15.0.24",
     "@types/react-dom": "15.5.0",
     "@types/react-redux": "4.4.40",
@@ -21,6 +37,7 @@
     "extract-text-webpack-plugin": "2.1.0",
     "file-loader": "0.11.1",
     "history": "4.6.1",
+	"jest": "20.0.4",
     "jquery": "3.2.1",
     "json-loader": "0.5.4",
     "node-noop": "1.0.0",
@@ -33,6 +50,7 @@
     "redux": "3.6.0",
     "redux-thunk": "2.2.0",
     "style-loader": "0.17.0",
+	"ts-jest": "20.0.6",
     "typescript": "2.3.2",
     "url-loader": "0.5.8",
     "webpack": "2.5.1",

templates/package-builder/src/yeoman/app/index.ts

@@ -22,14 +22,17 @@ const testSpecificPaths = [
 const testSpecificNpmPackages = [
     "@types/chai",
     "@types/jasmine",
+	"@types/jest",
     "chai",
     "jasmine-core",
+	"jest",
     "karma",
     "karma-chai",
     "karma-chrome-launcher",
     "karma-cli",
     "karma-jasmine",
-    "karma-webpack"
+    "karma-webpack",
+	"ts-jest"
 ];
 
 type YeomanPrompt = (opt: yeoman.IPromptOptions | yeoman.IPromptOptions[], callback: (answers: any) => void) => void;
@@ -47,7 +50,7 @@ const templates: TemplateConfig[] = [
     { value: 'aurelia', rootDir: 'aurelia', name: 'Aurelia', tests: false },
     { value: 'knockout', rootDir: 'knockout', name: 'Knockout', tests: false },
     { value: 'react', rootDir: 'react', name: 'React', tests: false },
-    { value: 'react-redux', rootDir: 'react-redux', name: 'React with Redux', tests: false },
+    { value: 'react-redux', rootDir: 'react-redux', name: 'React with Redux', tests: true },
     { value: 'vue', rootDir: 'vue', name: 'Vue', tests: false }
 ];
 
@@ -247,6 +250,12 @@ function rewritePackageJson(contents, includeTests) {
                 delete contents.scripts;
             }
         }
+
+		// Delete 'jest' section
+		const jest = contents.jest;
+		if (jest) {
+			delete contents.jest;
+		}
     }
 
     return contents;