From eee947e74404e1c7019538688c2e6208eded0ffd Mon Sep 17 00:00:00 2001
From: Adam Reis <adam@reis.nz>
Date: Sun, 12 Mar 2017 12:44:20 +1300
Subject: [PATCH] Add test to prove substring replacement is working

---
 lib/replace-in-file.spec.js | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/lib/replace-in-file.spec.js b/lib/replace-in-file.spec.js
index a4959e2..35f16c2 100644
--- a/lib/replace-in-file.spec.js
+++ b/lib/replace-in-file.spec.js
@@ -122,6 +122,18 @@ describe('Replace in file', () => {
       });
     });
 
+    it('should replace substrings', done => {
+      replace({
+        files: 'test1',
+        from: /(re)\s(place)/g,
+        to: '$2 $1',
+      }).then(() => {
+        const test1 = fs.readFileSync('test1', 'utf8');
+        expect(test1).to.equal('a place re c');
+        done();
+      });
+    });
+
     it('should fulfill the promise on success', () => {
       return replace({
         files: 'test1',