From 6980b1350c7aa7419ac1d436081579ce0a8e0367 Mon Sep 17 00:00:00 2001
From: Quentin Rossetti <quentin.rossetti@gmail.com>
Date: Mon, 11 Aug 2014 15:42:27 +0200
Subject: [PATCH] Test command implemented with Promises

---
 index.js      | 26 ++++++++++++++++++++++++++
 test/index.js | 23 +++++++++++++++++++++++
 2 files changed, 49 insertions(+)
 create mode 100644 index.js
 create mode 100644 test/index.js

diff --git a/index.js b/index.js
new file mode 100644
index 0000000..cb3742c
--- /dev/null
+++ b/index.js
@@ -0,0 +1,26 @@
+'use strict';
+
+var Promise = require('promise');
+var process = require('child_process');
+var os = require('os');
+var path = require('path');
+
+module.exports.test = function test(archivePath) {
+
+  return new Promise(function (fulfill, reject){
+    var command = '7z t ' + archivePath;
+    process.exec(command, function (err, stdout, stderr) {
+      //TODO: Custom error
+      if (err) return reject(err);
+      if (stderr) return reject(stderr);
+      var r = [];
+      stdout.split(os.EOL).forEach(function (_line) {
+        if (_line.substr(0, 12) === 'Testing     ') {
+          return r.push(_line.substr(12, _line.length).replace(path.sep, '/'));
+        }
+      });
+      return fulfill(r);
+    });
+  });
+
+};
diff --git a/test/index.js b/test/index.js
new file mode 100644
index 0000000..07f33c1
--- /dev/null
+++ b/test/index.js
@@ -0,0 +1,23 @@
+'use strict';
+var sevenzip = require('../index');
+var expect = require('chai').expect;
+
+describe('Specifications for the `test` function', function(){
+
+  it('should get an error when 7z gets an error', function (done) {
+    sevenzip.test('test/resource/nothere.7z')
+      .then(null, function (err) {
+        expect(err.message.substr(0, 14)).to.eql('Command failed');
+        done();
+      });
+  });
+
+  it('should get a list of files and directories', function (done) {
+    sevenzip.test('test/resource/resource.7z')
+      .then(function (files) {
+        expect(files.length).to.be.at.least(6);
+        done();
+      });
+  });
+
+});