diff --git a/.ruby-version b/.ruby-version
new file mode 100644
index 0000000..ae6d5b9
--- /dev/null
+++ b/.ruby-version
@@ -0,0 +1 @@
+1.9.3-p392
diff --git a/Gemfile b/Gemfile
new file mode 100644
index 0000000..16a69e5
--- /dev/null
+++ b/Gemfile
@@ -0,0 +1,6 @@
+source 'https://rubygems.org'
+
+group :test do
+  gem 'cucumber', '1.2.3'
+  gem 'aruba', '0.5.1'
+end
diff --git a/Gemfile.lock b/Gemfile.lock
new file mode 100644
index 0000000..16a7ea2
--- /dev/null
+++ b/Gemfile.lock
@@ -0,0 +1,30 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    aruba (0.5.1)
+      childprocess (~> 0.3.6)
+      cucumber (>= 1.1.1)
+      rspec-expectations (>= 2.7.0)
+    builder (3.2.0)
+    childprocess (0.3.9)
+      ffi (~> 1.0, >= 1.0.11)
+    cucumber (1.2.3)
+      builder (>= 2.1.2)
+      diff-lcs (>= 1.1.3)
+      gherkin (~> 2.11.6)
+      multi_json (~> 1.3)
+    diff-lcs (1.2.1)
+    ffi (1.4.0)
+    gherkin (2.11.6)
+      json (>= 1.7.6)
+    json (1.7.7)
+    multi_json (1.7.1)
+    rspec-expectations (2.13.0)
+      diff-lcs (>= 1.1.3, < 2.0)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  aruba (= 0.5.1)
+  cucumber (= 1.2.3)
diff --git a/features/support/aruba.rb b/features/support/aruba.rb
new file mode 100644
index 0000000..45b463c
--- /dev/null
+++ b/features/support/aruba.rb
@@ -0,0 +1,4 @@
+require 'aruba/cucumber'
+
+STDERR.puts "pwd = #{Dir::pwd}"
+ENV['PATH'] = "#{Dir::pwd}:#{ENV['PATH']}"
diff --git a/features/thin_check.feature b/features/thin_check.feature
new file mode 100644
index 0000000..ee61e06
--- /dev/null
+++ b/features/thin_check.feature
@@ -0,0 +1,40 @@
+Feature: thin_check
+  Scenario: print version (-V flag)
+    When I run `thin_check -V`
+    Then it should pass with: 
+
+    """
+    0.1.5
+    """
+
+  Scenario: print version (--version flag)
+    When I run `thin_check --version`
+    Then it should pass with: 
+
+    """
+    0.1.5
+    """
+
+  Scenario: print help
+    When I run `thin_check --help`
+    Then it should pass with:
+
+    """
+    Usage: thin_check [options] {device|file}
+    Options:
+      {-q|--quiet}
+      {-h|--help}
+      {-V|--version}
+    """
+
+  Scenario: print help
+    When I run `thin_check -h`
+    Then it should pass with:
+
+    """
+    Usage: thin_check [options] {device|file}
+    Options:
+      {-q|--quiet}
+      {-h|--help}
+      {-V|--version}
+    """