added rspec test for InterfaceLift::Installer

bin/interfacelift

@@ -32,7 +32,8 @@ command :list do |c|
   c.description = 'shows a list of all available themes'
   c.action do |args, options|       
       begin
-        InterfaceLift::Installer.list        
+        manager = InterfaceLift::ThemeManager.new        
+        manager.available_themes
       rescue Exception => e
         puts e
       end   

lib/installer.rb

@@ -0,0 +1,46 @@
+module InterfaceLift
+  class Installer
+      attr_reader :path, :theme, :theme_path
+      APP_ROOT = File.expand_path(File.join(File.dirname(__FILE__), '..'))
+      SHARED = "#{APP_ROOT}/lib/templates/shared"
+
+
+      def initialize(path,theme)      
+        @path = path
+        @theme = theme 
+        @theme_path =  "#{APP_ROOT}/lib/templates/#{theme}"      
+
+        raise "Given path does not contain a rails app." unless File.directory? "#{@path}/public" 
+        raise "Theme #{@theme} is not available." unless File.directory? @theme_path   
+      end
+
+      def install!  
+        install_images
+        install_stylesheets
+        install_layouts
+        install_javascript
+        install_shared
+      end
+
+      private
+      def install_images
+        FileUtils.cp_r "#{@theme_path}/images","#{path}/public"  if File.directory? "#{@theme_path}/images"
+      end
+
+      def install_stylesheets
+        FileUtils.cp_r "#{@theme_path}/stylesheets","#{path}/public"  if File.directory?  "#{@theme_path}/stylesheets"                 
+      end
+
+      def install_layouts
+        FileUtils.cp_r "#{@theme_path}/layouts","#{path}/app/views"  if File.directory?  "#{@theme_path}/layouts"                 
+      end
+
+      def install_javascript
+        FileUtils.cp_r "#{@theme_path}/javascripts","#{path}/public"  if File.directory?  "#{@theme_path}/javascripts"                 
+      end
+
+      def install_shared
+        FileUtils.cp_r "#{SHARED}/icons","#{path}/public/images/"  if File.directory?  "#{@theme_path}/icons"                        
+      end       
+  end   
+end  

lib/interfacelift.rb

@@ -1,52 +1,6 @@
 module  InterfaceLift  
-  class Installer
-    attr_reader :path, :theme, :theme_path
-    APP_ROOT = File.expand_path(File.join(File.dirname(__FILE__), '..'))
-    SHARED = "#{APP_ROOT}/lib/templates/shared"
-
-
-    def initialize(path,theme)      
-      @path = path
-      @theme = theme
-      raise "Not a rails app" unless File.directory? "#{path}/public" 
-      @theme_path =  "#{APP_ROOT}/lib/templates/#{theme}"      
-      raise "Theme #{theme} not found" unless File.directory? theme_path   
-    end
-
-
-    def self.list
-       Dir.foreach("#{APP_ROOT}/lib/templates") do |t|
-         puts t unless t == "shared" || t == ".." || t == "."  ||  t == ".DS_Store"      
-       end
-    end
-
-    def install!  
-      install_images
-      install_stylesheets
-      install_layouts
-      install_javascript
-      install_shared
-    end
-
-    def install_images
-      FileUtils.cp_r "#{@theme_path}/images","#{path}/public"  if File.directory? "#{@theme_path}/images"
-    end
-
-    def install_stylesheets
-      FileUtils.cp_r "#{@theme_path}/stylesheets","#{path}/public"  if File.directory?  "#{@theme_path}/stylesheets"                 
-    end
-
-    def install_layouts
-      FileUtils.cp_r "#{@theme_path}/layouts","#{path}/app/views"  if File.directory?  "#{@theme_path}/layouts"                 
-    end
-
-    def install_javascript
-      FileUtils.cp_r "#{@theme_path}/javascripts","#{path}/public"  if File.directory?  "#{@theme_path}/javascripts"                 
-    end
-
-    def install_shared
-      FileUtils.cp_r "#{SHARED}/icons","#{path}/public/images/"  if File.directory?  "#{@theme_path}/icons"                        
-    end
-
-  end
-end
+   VERSION = "0.0.1"
+end
+
+require "installer"
+require "theme_manager"

lib/theme_manager.rb

@@ -0,0 +1,9 @@
+module InterfaceLift
+  class ThemeManager
+    def available_themes
+       Dir.foreach("#{APP_ROOT}/lib/templates") do |t|
+         puts t unless t == "shared" || t == ".." || t == "."  ||  t == ".DS_Store"      
+       end
+    end
+  end
+end

spec/installer_spec.rb

@@ -0,0 +1,74 @@
+require File.expand_path(File.dirname(__FILE__) + '/spec_helper')
+include InterfaceLift
+describe InterfaceLift::Installer do
+
+  before(:each) do       
+    @path = "/tmp"
+    @theme = "test_theme"
+    @theme_path = "#{GEM_ROOT}/lib/templates/#{@theme}"        
+  end
+
+  def valid_arguments
+    File.should_receive(:directory?).with("#{@path}/public").and_return(true)
+    File.should_receive(:directory?).with(@theme_path).and_return(true)
+  end
+
+  describe "Initialization" do
+
+    it "Should initialize with a theme name and a path" do 
+      valid_arguments
+      installer = Installer.new(@path,@theme)  
+      installer.theme.should == @theme
+      installer.path.should == @path
+    end
+
+    it "Should raise an error when there the theme is not available" do
+      File.should_receive(:directory?).with("#{@path}/public").and_return(true)
+      File.should_receive(:directory?).with(@theme_path).and_return(false)     
+      lambda { Installer.new(@path,@theme) }.should raise_error("Theme #{@theme} is not available.")
+    end
+
+
+    it "Should raise an error when the given path does not contain a rails app " do
+      File.should_receive(:directory?).with("#{@path}/public").and_return(false)
+      lambda { Installer.new(@path,@theme) }.should raise_error("Given path does not contain a rails app.")    
+    end          
+  end
+
+  describe "Installing a theme" do 
+    before(:each) do
+      #don't copy files over!
+      valid_arguments
+      @installer = Installer.new(@path,@theme)      
+      File.stub!(:directory?).and_return(true)
+      FileUtils.stub!(:cp_r)             
+    end
+
+    after(:each) do 
+      @installer.install!      
+    end                  
+
+    it "Should copy over existing images to the RAILS_ROOT/public folder" do
+       FileUtils.should_receive(:cp_r).with("#{@theme_path}/images","#{@path}/public")
+    end
+
+    it "Should copy over existing stylesheets to the RAILS_ROOT/public folder" do
+      FileUtils.should_receive(:cp_r).with("#{@theme_path}/stylesheets","#{@path}/public")
+    end
+
+    it "Should copy over templates to the RAILS_ROOT/app/views/layout folder" do
+      FileUtils.should_receive(:cp_r).with("#{@theme_path}/layouts","#{@path}/app/views")
+    end      
+
+    it "Should copy over javascripts to the RAILS_ROOT/public folder" do
+      FileUtils.should_receive(:cp_r).with("#{@theme_path}/javascripts","#{@path}/public")
+    end
+
+    it "Should copy over shared resources to the RAILS_ROOT/public folder" do
+      FileUtils.should_receive(:cp_r).with("#{GEM_ROOT}/lib/templates/shared/icons","#{@path}/public/images/")
+    end   
+
+  end  
+
+
+end

spec/interfacelift_spec.rb

@@ -0,0 +1,15 @@
+require File.expand_path(File.dirname(__FILE__) + '/../spec_helper')
+
+describe InterfaceLift do
+  it "Should have a version" do
+   InterfaceLift::VERSION.should_not be_nil 
+  end
+
+  it "Should have an Installer class" do
+    InterfaceLift::Installer.should_not be_nil
+  end
+
+  it "Should have an Theme_manager class" do
+    InterfaceLift::ThemeManager.should_not be_nil    
+  end  
+end

spec/spec.opts

@@ -0,0 +1,6 @@
+--colour
+--format
+profile
+--timeout
+20
+--diff

spec/spec_helper.rb

@@ -0,0 +1,9 @@
+SPEC_ROOT = File.expand_path(File.dirname(__FILE__))
+$LOAD_PATH << SPEC_ROOT
+GEM_ROOT =  File.expand_path(File.join(File.dirname(__FILE__), '..'))    
+
+$LOAD_PATH << "#{GEM_ROOT}/lib"
+require "interfacelift"
+
+#stubbing and mocking
+require 'mocha'