ReactClassEquivalence

grunt/tasks/jest.js

@@ -83,7 +83,12 @@ function run(done, configPath) {
   grunt.util.spawn({
     cmd: 'node',
     args: args,
-    opts: { stdio: 'inherit', env: { NODE_ENV: 'test' } },
+    opts: {
+      stdio: 'inherit',
+      env: Object.assign({}, process.env, {
+        NODE_ENV: 'test',
+      }),
+    },
   }, function(spawnErr, result, code) {
     if (spawnErr) {
       onError(spawnErr);

src/isomorphic/modern/class/__tests__/ReactClassEquivalence-test.js

@@ -11,24 +11,50 @@
 
 'use strict';
 
-var MetaMatchers = require('MetaMatchers');
+var spawnSync = require('child_process').spawnSync;
+var path = require('path');
 
 describe('ReactClassEquivalence', function() {
-
-  beforeEach(function() {
-    this.addMatchers(MetaMatchers);
-  });
-
-  var es6 = () => require('./ReactES6Class-test.js');
-  var coffee = () => require('./ReactCoffeeScriptClass-test.coffee');
-  var ts = () => require('./ReactTypeScriptClass-test.ts');
-
   it('tests the same thing for es6 classes and CoffeeScript', function() {
-    expect(coffee).toEqualSpecsIn(es6);
+    var result1 = runJest('ReactCoffeeScriptClass-test.coffee');
+    var result2 = runJest('ReactES6Class-test.js');
+    compareResults(result1, result2);
   });
 
   it('tests the same thing for es6 classes and TypeScript', function() {
-    expect(ts).toEqualSpecsIn(es6);
+    var result1 = runJest('ReactTypeScriptClass-test.ts');
+    var result2 = runJest('ReactES6Class-test.js');
+    compareResults(result1, result2);
   });
 
 });
+
+function runJest(testFile) {
+  var cwd = process.cwd();
+  var jestBin = path.resolve('node_modules', '.bin', 'jest');
+  var result = spawnSync('node', [jestBin, testFile, '--verbose'], {cwd});
+
+  if (result.error) {
+    throw result.error;
+  }
+
+  if (result.status !== 0) {
+    throw new Error(
+      'jest process exited with: ' +
+      result.status +
+      '\n' +
+      'stdout: ' +
+      result.stdout.toString() +
+      'stderr: ' +
+      result.stderr.toString()
+    );
+  }
+
+  return result.stdout.toString();
+}
+
+function compareResults(a, b) {
+  var aSpecs = (a.match(/it\s.*$/gm) || []).sort().join('\n');
+  var bSpecs = (b.match(/it\s.*$/gm) || []).sort().join('\n');
+  expect(aSpecs).toEqual(bSpecs);
+}