feat: Add tests for samples

getConfig.js

@@ -65,7 +65,7 @@ const resolve = () => ({
   }
 });
 
-const entry = (ent = './src/index.js') => ent;
+const entry = (ent = './src/index.js', cwd = process.cwd()) => path.resolve(cwd, ent);
 
 const optimization = op => op || optimizations();
 
@@ -118,8 +118,8 @@ const getConfig = args => {
     ...configFile,
   };
 
-  const checkOption = checkFile(configFile);
-  logIntro(config);
+  const checkOption = checkFile(config);
+  config.env !== 'test' && logIntro(config);
 
   const moduleRules = () => ({
     rules: applyLoaders(config.preset.loaders.map(x => x(config))),

tests/__mocks__/@cycle/dom.js

@@ -0,0 +1,4 @@
+module.exports = {
+  makeDOMDriver: () => {},
+  h1: () => {},
+};

tests/__mocks__/@cycle/run.js

@@ -0,0 +1,3 @@
+module.exports = {
+  run: () => {},
+};

tests/__mocks__/babel-runtime/core-js/json/stringify.js

@@ -0,0 +1 @@
+module.exports = () => {};

tests/__mocks__/react-dom/index.js

@@ -0,0 +1 @@
+module.exports = {};

tests/__mocks__/react/index.js

@@ -0,0 +1 @@
+module.exports = {};

tests/__mocks__/xstream/index.js

@@ -0,0 +1,3 @@
+module.exports = {
+  periodic: () => [],
+};

tests/samples/samples.test.js

@@ -0,0 +1,21 @@
+const {runner} = require('./testRunner');
+
+runner({
+  dir: 'cyclejs',
+  name: 'Cyclejs',
+});
+
+runner({
+  dir: 'react-and-favicon',
+  name: 'React and favicon',
+});
+
+runner({
+  dir: 'react-and-graphql',
+  name: 'React and GraphQL',
+});
+
+runner({
+  dir: 'react-and-sass',
+  name: 'React and SCSS',
+});

tests/samples/testRunner.js

@@ -0,0 +1,52 @@
+/* eslint-disable no-console */
+const path = require('path');
+const webpack = require('webpack');
+const MemoryFS = require('memory-fs');
+const {getConfig} = require('../../getConfig');
+
+const runner = ({dir, name, config}) => {
+  const fs = new MemoryFS();
+
+  const mocks = path.join(__dirname, '../__mocks__');
+  const sample = (p = '') => path.join(__dirname, `../../samples/${dir}`, p);
+
+  const build = (args, cb) => {
+    const config = getConfig(args);
+    const compiler = webpack({
+      ...config,
+      entry: path.resolve(args.cwd, './src/index'),
+      resolve: {
+        ...config.resolve,
+        modules: [mocks]
+      }
+    });
+
+    compiler.outputFileSystem = fs;
+
+    compiler.run((err, stats) => {
+      if(err) {
+        throw new Error(err);
+      }
+      if(stats.hasErrors()) {
+        console.log(stats.toString('errors-only'));
+      }
+      cb();
+    });
+  };
+
+  describe(`${name} sample`, () => {
+    it('should not crash when building for development', done => {
+      build({
+        env: 'test',
+        mode: 'development',
+        cwd: sample(),
+        config: sample('.webpacker.js'),
+        ...config,
+      }, done);
+    });
+  });
+};
+
+module.exports = {
+  runner,
+};