Add some extra CLI tests

test/cli.js

@@ -8,6 +8,22 @@ var path   = require('path'),
     cliPath = path.resolve(__dirname, '..', 'bin', 'node-sass'),
     sampleFilename = path.resolve(__dirname, 'sample.scss');
 
+var expectedSampleCompressed = '#navbar {width:80%;height:23px;}\
+#navbar ul {list-style-type:none;}\
+#navbar li {float:left;}\
+#navbar li a {font-weight:bold;}';
+
+var expectedSampleNoComments = '#navbar {\n\
+  width: 80%;\n\
+  height: 23px; }\n\
+\n\
+#navbar ul {\n\
+  list-style-type: none; }\n\
+\n\
+#navbar li {\n\
+  float: left; }\n\
+  #navbar li a {\n\
+    font-weight: bold; }\n';
 
 describe('cli', function() {
   it('should print help when run with no arguments', function(done) {
@@ -57,5 +73,40 @@ describe('cli', function() {
     });
   });
 
+  it('should compile with the --output style', function(done){
+    var emitter = cli(['--output-style', 'compressed', __dirname + '/sample.scss']);
+    emitter.on('error', function(err){
+      done(err);
+    });
+    emitter.on('render', function(css){
+      assert.equal(css, expectedSampleCompressed);
+      done();
+    });
+  });
+
+  it('should compile with the --source-comments option', function(done){
+    var emitter = cli(['--source-comments', 'none', __dirname + '/sample.scss']);
+    emitter.on('error', function(err){
+      done(err);
+    });
+    emitter.on('render', function(css){
+      assert.equal(css, expectedSampleNoComments);
+      done();
+    });
+  });
+
+  it('should write the output to the file specified with the --output option', function(done){
+    var resultPath = path.resolve(__dirname, '..', 'output.css');
+    var emitter = cli(['--output', resultPath, __dirname + '/sample.scss']);
+    emitter.on('error', function(err){
+      done(err);
+    });
+    emitter.on('render', function(css){
+      fs.exists(resultPath, function(exists) {
+        assert(exists);
+        fs.unlink(resultPath, done);
+      });
+    });
+  });
 
 });