test: add generator tests

Author: robertoachar

generators/app/index.js

@@ -30,7 +30,6 @@ module.exports = class extends Generator {
     this.prompt(prompts).then((props) => {
       this.props = props;
 
-      console.log(props);
       done();
     });
   }

package.json

@@ -13,8 +13,11 @@
     "generators"
   ],
   "scripts": {
-    "lint": "eslint src/**/*.js",
-    "start": "node src/index.js"
+    "coverage": "jest --colors --coverage",
+    "coveralls": "npm run coverage && cat ./coverage/lcov.info | coveralls",
+    "jest": "jest --colors --verbose",
+    "lint": "eslint generators/**/*.js test/**/*.js",
+    "test": "npm run lint && npm run jest"
   },
   "repository": {
     "type": "git",
@@ -27,10 +30,14 @@
     "yeoman-generator": "3.0.0"
   },
   "devDependencies": {
+    "coveralls": "3.0.2",
     "eslint": "5.0.1",
     "eslint-config-prettier": "2.9.0",
     "eslint-plugin-prettier": "2.6.2",
-    "prettier": "1.13.7"
+    "jest": "23.3.0",
+    "prettier": "1.13.7",
+    "yeoman-assert": "3.1.1",
+    "yeoman-test": "1.8.0"
   },
   "license": "MIT"
 }

test/generator.test.js

@@ -0,0 +1,25 @@
+const assert = require('yeoman-assert');
+const path = require('path');
+const test = require('yeoman-test');
+
+const files = require('../generators/app/files');
+
+describe('Generator Tests', () => {
+  beforeAll((done) => {
+    test
+      .run(path.join(__dirname, '../generators/app'))
+      .withPrompts({
+        project: 'statik-project',
+        description: 'A statik project'
+      })
+      .on('end', done);
+  });
+
+  it('should create a project', (done) => {
+    files.forEach((file) => {
+      assert.file(file.destination);
+    });
+
+    done();
+  });
+});