test.rb in vuejs-1.1.0.beta4

- old
+ new
@@ -1,45 +1,90 @@
-template "tests/unit.test.js.erb", "#{TESTS_PATH}/#{name}.test.js"      
+scripts =   <<-eos
+  "scripts": {
+    "test": "jest",
+    "assets:precompile": "yarn install; rails assets:precompile",
+    "webpack-dev-server": "./bin/webpack-dev-server", 
+    "rails server": "rails server",
+    "yarn install": "yarn install"
+  },
+  "jest": {
+    "moduleFileExtensions": [
+      "js",
+      "vue"
+    ],
+    "moduleNameMapper": {
+      "^@/(.*)$": "<rootDir>/app/javascript/parts/$1"
+    },
+    "transform": {
+      "^.+\\\\\\.js$": "<rootDir>/node_modules/babel-jest",
+      ".*\\\\\\.(vue)$": "<rootDir>/node_modules/vue-jest"
+    },
+    "snapshotSerializers": [
+      "<rootDir>/node_modules/jest-serializer-vue"
+    ]
+  },
+eos
+
+say "Adding scripts and jest configuration to package.json"
+insert_into_file Rails.root.join("package.json").to_s,
+  "#{scripts}",
+  after: "\"private\": true,\n"
+
+say "Adding test presets to .babelrc"
+babelrc = <<-eos
+  "test": {
+    "presets": [
+      ["env", { "targets": { "node": "current" }}]
+    ]
+  },
+eos
+
+insert_into_file Rails.root.join(".babelrc").to_s,
+  "#{babelrc}",
+  before: "  \"presets\": ["
+
+say "Adding @vue/test-util and other Jest dependencies"
+run "yarn add jest-serializer-vue vue-jest babel-jest"
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