From 3165c53f7f1aca4349d72ad79ddace5cdc8e977e Mon Sep 17 00:00:00 2001
From: wizawu <wizawu@gmail.com>
Date: Mon, 11 Jan 2016 03:02:48 +0800
Subject: [PATCH] Add test case for `output` argument

---
 test/_files/cli_output.txt |  1 +
 test/cli-test.js           | 11 +++++++++++
 2 files changed, 12 insertions(+)
 create mode 100644 test/_files/cli_output.txt

diff --git a/test/_files/cli_output.txt b/test/_files/cli_output.txt
new file mode 100644
index 0000000..66556fe
--- /dev/null
+++ b/test/_files/cli_output.txt
@@ -0,0 +1 @@
+Howdy LeBron, CLI rox
\ No newline at end of file
diff --git a/test/cli-test.js b/test/cli-test.js
index dd3ec30..ded2cd1 100644
--- a/test/cli-test.js
+++ b/test/cli-test.js
@@ -60,6 +60,17 @@ describe('Mustache CLI', function () {
       });
     });
 
+    it('writes rendered template into the file specified by the third argument', function(done) {
+      var outputFile = 'test/_files/cli_output.txt';
+      exec('bin/mustache test/_files/cli.json test/_files/cli.mustache ' + outputFile, function(err, stdout, stderr) {
+        assert.equal(err, null);
+        assert.equal(stderr, '');
+        assert.equal(stdout, '');
+        assert.equal(fs.readFileSync(outputFile), expectedOutput);
+        done();
+      });
+    });
+
     it('reads view data from stdin when first argument equals "-"', function(done){
       exec('cat test/_files/cli.json | bin/mustache - test/_files/cli.mustache', function(err, stdout, stderr) {
         assert.equal(err, null);