Add test for log output

Author: thompson-tomo

.gitignore

@@ -15,3 +15,4 @@ node_modules
 npm-debug.log
 samples
 tmp_samples
+!test/fixtures/*.log

doctoc.js

@@ -136,7 +136,7 @@ for (var i = 0; i < argv._.length; i++) {
     , stat = fs.statSync(target);
 
   if (stat.isDirectory() && stdOut){
-    console.log('StdOut can not be used on a directory. Using dryrun instead.')
+    console.log('StdOut can not be used on a directory. Using dryrun instead.');
     stdOut = false;
     dryRun = true;
   }

test/fixtures/invalid_stdout/readme.md

@@ -0,0 +1,18 @@
+# Hello, world!
+
+README to test doctoc with user-specified titles.
+
+<!-- START doctoc generated TOC please keep comment here to allow auto update -->
+<!-- DON'T EDIT THIS SECTION, INSTEAD RE-RUN doctoc TO UPDATE -->
+## Table of Contents
+
+- [Installation](#installation)
+- [API](#api)
+- [License](#license)
+
+<!-- END doctoc generated TOC please keep comment here to allow auto update -->
+
+
+## Installation
+## API
+## License

test/fixtures/stdout.md test/fixtures/stdout.logtest/fixtures/stdout.md renamed to test/fixtures/stdout.log

@@ -0,0 +1,11 @@
+StdOut can not be used on a directory. Using dryrun instead.
+
+DocToccing "test/fixtures/invalid_stdout" and its sub directories for github.com.
+
+Found readme.md in "test/fixtures/invalid_stdout"
+
+==================
+
+"test/fixtures/invalid_stdout/readme.md" is up to date
+
+Everything is OK.

test/fixtures/stdout_run_on_directory.log

@@ -13,7 +13,7 @@ test('\nshould print to stdout with --stdout option', function (t) {
         return;
       }
       t.deepEqual(stdout
-        , fs.readFileSync(__dirname + '/fixtures/stdout.md', 'utf8')
+        , fs.readFileSync(__dirname + '/fixtures/stdout.log', 'utf8')
         , 'spits out the correct table of contents')
 
       t.end()
@@ -28,9 +28,24 @@ test('\nshould print to stdout with -s option', function (t) {
         return;
       }
       t.deepEqual(stdout
-        , fs.readFileSync(__dirname + '/fixtures/stdout.md', 'utf8')
+        , fs.readFileSync(__dirname + '/fixtures/stdout.log', 'utf8')
         , 'spits out the correct table of contents')
 
       t.end()
     })
 })
+
+test('\nshould be a dry run even though the --stdout option provided due to being a directory', function (t) {
+
+    exec('node doctoc.js test/fixtures/invalid_stdout --stdout', function (error, stdout, stderr) {
+      if (error) {
+        console.error('exec error: ', error);
+        return;
+      }
+      t.deepEqual(stdout
+        , fs.readFileSync(__dirname + '/fixtures/stdout_run_on_directory.log', 'utf8')
+        , 'spits out the correct logs for stdout on directory')
+
+      t.end()
+    })
+})