Add new test helpers; enable babel runtime

Author: fkling

.babelrc

@@ -0,0 +1,3 @@
+{
+  "optional": ["runtime"]
+}

.eslintrc

@@ -0,0 +1,10 @@
+{
+  "parser": "babel-eslint",
+  "rules": {
+    "strict": 0,
+    "comma-dangle": [1, "always-multiline"]
+  },
+  "env": {
+    "node": true
+  }
+}

package.json

@@ -25,6 +25,7 @@
   "license": "BSD-3-Clause",
   "dependencies": {
     "async": "^0.9.0",
+    "babel-runtime": "^5.7.0",
     "node-dir": "^0.1.6",
     "nomnom": "^1.8.1",
     "recast": "^0.10.x"
@@ -38,14 +39,17 @@
     "temp": "^0.8.1"
   },
   "jest": {
-    "scriptPreprocessor": "node_modules/babel-jest",
     "preprocessCachingDisabled": true,
+    "scriptPreprocessor": "node_modules/babel-jest",
+    "setupTestFrameworkScriptFile": "tests/setupTestFramework.js",
     "testPathDirs": [
       "bin",
       "src"
     ],
     "unmockedModulePathPatterns": [
-      "tests/utils"
+      "tests/utils",
+      "recast",
+      "babel"
     ]
   }
 }

tests/setupTestFramework.js

@@ -0,0 +1,21 @@
+/*global jasmine*/
+
+var recast = require('recast');
+
+var matchers = {
+  toEqualASTNode: function compare(expected) {
+    if (!expected || typeof expected !== 'object') {
+      throw new Error(
+        'Expected value must be an object representing an AST node.\n' +
+        'Got ' + expected + '(' + typeof expected + ') instead.'
+      );
+    }
+
+    return recast.types.astNodesAreEquivalent(this.actual, expected);
+  },
+};
+
+
+jasmine.getEnv().beforeEach(function() {
+  this.addMatchers(matchers);
+});

tests/utils.js

@@ -1,10 +1,8 @@
-"use strict";
-
 /**
  * Helper methods for tests.
  */
 
-var recast = require.requireActual('recast');
+import _recast from 'recast';
 
 function stringify(value) {
   if (Array.isArray(value)) {
@@ -16,35 +14,38 @@ function stringify(value) {
 /**
  * Returns a NodePath to the program node of the passed node
  */
-function parse(src) {
+export function parse(src, recast=_recast) {
   return new recast.types.NodePath(recast.parse(stringify(src)).program);
 }
 
+export function statement(src, recast=_recast) {
+  return parse(src, recast).get('body', 0);
+}
+
+export function expression(src, recast=_recast) {
+  return statement('(' + src + ')', recast).get('expression');
+}
+
 /**
  * Injects src into template by replacing the occurrence of %s.
  */
-function parseWithTemplate(src, template) {
+export function parseWithTemplate(src, template) {
   return parse(template.replace('%s', stringify(src)));
 }
 
 /**
  * Default template that simply defines React and PropTypes.
  */
-var REACT_TEMPLATE = [
+export var REACT_TEMPLATE = [
   'var React = require("React");',
   'var PropTypes = React.PropTypes;',
   'var {PropTypes: OtherPropTypes} = require("React");',
   '%s;',
 ].join('\n');
 
-var MODULE_TEMPLATE = [
+export var MODULE_TEMPLATE = [
   'var React = require("React");',
   'var PropTypes = React.PropTypes;',
   'var Component = React.createClass(%s);',
-  'module.exports = Component'
+  'module.exports = Component',
 ].join('\n');
-
-exports.parse = parse;
-exports.parseWithTemplate = parseWithTemplate;
-exports.REACT_TEMPLATE = REACT_TEMPLATE;
-exports.MODULE_TEMPLATE = MODULE_TEMPLATE;