Add unit test to validate library assumptions

.rubocop.yml

@@ -1,2 +1,8 @@
+---
+AllCops:
+  Exclude:
+    - Gemfile
+    - Rakefile
+    - 'vendor/**/*'
 Metrics/LineLength:
   Max: 160

Gemfile

@@ -7,6 +7,7 @@ group :development do
   gem 'rake', '< 11'
   gem 'foodcritic', '~> 4.0'
   gem 'cookstyle'
+  gem 'rspec'
 end
 
 group :appveyor do

Gemfile.lock

@@ -217,6 +217,7 @@ DEPENDENCIES
   github_changelog_generator
   kitchen-localhost
   rake (< 11)
+  rspec
   stove
 
 BUNDLED WITH

Rakefile

@@ -7,6 +7,7 @@ require 'stove/rake_task'
 require 'cookstyle'
 require 'rubocop/rake_task'
 require 'foodcritic'
+require 'rspec/core/rake_task'
 
 # Publish This cookbook
 Stove::RakeTask.new
@@ -24,11 +25,20 @@ namespace :style do
   end
 end
 
+# Style tests. Rubocop and Foodcritic
+namespace :test do
+  desc 'Run rspec'
+  RSpec::Core::RakeTask.new(:unit)
+end
+
 desc 'Run all style checks'
 task style: ['style:chef', 'style:ruby']
 
+desc 'Run all test'
+task test: ['test:unit']
+
 desc 'Run all tests on Travis'
-task travis: ['style']
+task travis: ['style', 'test']
 
 # Default
-task default: ['style']
+task default: :travis

spec/spec_helper.rb

@@ -0,0 +1 @@
+$LOAD_PATH.unshift File.dirname('./libraries')

spec/unit/lib_shared_spec.rb

@@ -0,0 +1,19 @@
+require 'spec_helper'
+require 'libraries/shared'
+
+describe 'OctopusDeploy::Shared' do
+  let(:shared) { Class.new { include OctopusDeploy::Shared }.new }
+
+  describe 'powershell_boolean' do
+    it 'should return uppercased bools' do
+      expect(shared.powershell_boolean(true)).to eq 'True'
+      expect(shared.powershell_boolean(false)).to eq 'False'
+    end
+  end
+
+  describe 'catch_powershell_error' do
+    it 'should return a error statement with the specified error text' do
+      expect(shared.catch_powershell_error('HELLO_WORLD')).to match(/throw "ERROR: .* HELLO_WORLD.*/)
+    end
+  end
+end

spec/unit/lib_tentacle_spec.rb

@@ -0,0 +1,48 @@
+require 'spec_helper'
+require 'libraries/tentacle'
+
+describe 'OctopusDeploy::Tentacle' do
+  let(:tentacle) { Class.new { include OctopusDeploy::Tentacle }.new }
+
+  describe 'display_name' do
+    it 'should return the correct display name' do
+      expect(tentacle.display_name).to eq 'Octopus Deploy Tentacle'
+    end
+  end
+
+  describe 'service_name' do
+    it 'should return the correct service name for the default instance name' do
+      expect(tentacle.service_name('Tentacle')).to eq 'OctopusDeploy Tentacle'
+    end
+
+    it 'should return the correct service name for non a default instance name' do
+      expect(tentacle.service_name('Instance')).to eq 'OctopusDeploy Tentacle: Instance'
+    end
+  end
+
+  describe 'tentacle_install_location' do
+    it 'should exist' do
+      expect(tentacle).to respond_to :tentacle_install_location
+    end
+  end
+
+  describe 'installer_url' do
+    it 'should exist' do
+      expect(tentacle).to respond_to :installer_url
+    end
+  end
+
+  describe 'resolve_port' do
+    it 'should return the port that is specified' do
+      expect(tentacle.resolve_port(true, 100)).to eq 100
+    end
+
+    it 'should return the 10943 for a polling tentacle with no port' do
+      expect(tentacle.resolve_port(true, nil)).to eq 10_943
+    end
+
+    it 'should return the 10933 for a listening tentacle with no port' do
+      expect(tentacle.resolve_port(false, nil)).to eq 10_933
+    end
+  end
+end