qa(test): Allow to run the smoke tests aggaint all builded versions

.travis.yml

@@ -20,7 +20,11 @@ script:
   - yarn run test
   - yarn run lint
   - yarn run flow
-  - yarn run smoke 15.6.2
-  - yarn run smoke 16.1.0
-  - yarn run smoke default
-  - yarn run smoke next
+  - yarn run smoke cjs 15.6.2
+  - yarn run smoke esm 15.6.2
+  - yarn run smoke cjs 16.1.0
+  - yarn run smoke esm 16.1.0
+  - yarn run smoke cjs default
+  - yarn run smoke esm default
+  - yarn run smoke cjs next
+  - yarn run smoke esm next

rollup.config.js

@@ -1,5 +1,3 @@
-/* @flow */
-
 import fs from 'fs';
 import babel from 'rollup-plugin-babel';
 import commonjs from 'rollup-plugin-commonjs';
@@ -19,10 +17,10 @@ const extractPackagePeerDependencies = () => {
 export default {
   input: 'src/index.js',
   output: {
-    file: 'dist/cjs/bundle.js',
+    file: 'dist/cjs/index.js',
     format: 'cjs',
+    sourcemap: true,
   },
-  sourcemap: true,
   external: extractPackagePeerDependencies(),
   plugins: [
     babel({

tests/smoke/run.js

@@ -3,12 +3,22 @@
 const execFileSync = require('child_process').execFileSync;
 const path = require('path');
 
-execFileSync(path.join(__dirname, 'prepare.js'), [process.argv[2]], {
+const buildType = process.argv[2];
+if (!buildType) {
+  throw new Error('The build type to test is missing');
+}
+
+const requestedReactVersion = process.argv[3];
+if (!requestedReactVersion) {
+  throw new Error('React version to use for the test is missing');
+}
+
+execFileSync(path.join(__dirname, 'prepare.js'), [requestedReactVersion], {
   cwd: __dirname,
   stdio: 'inherit',
 });
 
-execFileSync(path.join(__dirname, 'smoke.js'), {
+execFileSync(path.join(__dirname, 'smoke.js'), [buildType], {
   cwd: __dirname,
   stdio: 'inherit',
 });

tests/smoke/smoke.js

@@ -3,9 +3,19 @@
 /* eslint-disable no-console */
 /* eslint-disable import/no-extraneous-dependencies */
 
+const requireReactElementToJsxString = buildType => {
+  if (buildType === 'esm') {
+    return require(`./../../dist/esm`).default;
+  } else if (buildType === 'cjs') {
+    return require('./../../dist/cjs');
+  }
+
+  throw new Exception(`Unknown build type: "${buildType}"`);
+};
+
 const expect = require('expect');
 const React = require('react');
-const reactElementToJsxString = require('./../../dist/').default;
+const reactElementToJsxString = requireReactElementToJsxString(process.argv[2]);
 
 console.log(`Tested "react" version: "${React.version}"`);