Ensure that tests don't leave mutated global state in the environment.

2018-02-06 23:12:19 -08:00
parent 85174b6ce1
commit d88173b9f8
4 changed files with 22 additions and 2 deletions
--- a/packages/babel-node/test/index.js
+++ b/packages/babel-node/test/index.js
@@ -177,6 +177,16 @@ fs.readdirSync(fixtureLoc).forEach(function(binName) {

  const suiteLoc = path.join(fixtureLoc, binName);
  describe("bin/" + binName, function() {
+    let cwd;
+
+    beforeEach(() => {
+      cwd = process.cwd();
+    });
+
+    afterEach(() => {
+      process.chdir(cwd);
+    });
+
    fs.readdirSync(suiteLoc).forEach(function(testName) {
      if (testName[0] === ".") return;