add git hook for test.only and suite.only (fixes aframevr#3094)

package.json

@@ -18,6 +18,7 @@
     "lint": "semistandard -v | snazzy",
     "lint:fix": "semistandard --fix",
     "precommit": "npm run lint",
+    "prepush": "node scripts/testOnlyCheck.js",
     "prerelease": "node scripts/release.js 0.6.1 0.7.0",
     "start": "npm run dev",
     "test": "karma start ./tests/karma.conf.js",

scripts/testOnlyCheck.js

@@ -0,0 +1,11 @@
+#!/usr/bin/env node
+var fs = require('fs');
+var glob = require('glob');
+
+glob.sync('tests/**/*.test.js').forEach(testFile => {
+  var contents = fs.readFileSync(testFile, 'utf-8');
+  if (contents.indexOf('test.only') !== -1 || contents.indexOf('suite.only') !== -1) {
+    console.error('[PRE-PUSH HOOK ERROR] Please remove `test.only` or `suite.only` from tests!');
+    process.exit(1);
+  }
+});