Adds rspec setup and first pass of view helper specs

Gemfile

@@ -3,4 +3,7 @@ source "http://rubygems.org"
 # Specify your gem's dependencies in simple_calendar.gemspec
 gemspec
 
-gem 'rspec'
+group :test do
+  gem 'rspec'
+  gem 'pry'
+end

lib/simple_calendar/view_helpers.rb

@@ -4,7 +4,6 @@ module ViewHelpers
     def calendar(events, options={}, &block)
       raise 'SimpleCalendar requires a block to be passed in' unless block_given?
 
-
       opts = {
           :year       => (params[:year] || Time.zone.now.year).to_i,
           :month      => (params[:month] || Time.zone.now.month).to_i,

spec/helper.rb

@@ -1,15 +1,17 @@
-$:.unshift(File.expand_path('../../lib', __FILE__))
-
 require 'pathname'
 require 'rubygems'
 require 'bundler'
+require 'pry'
+require 'active_support/all'
+require 'action_view'
 
 root_path = Pathname(__FILE__).dirname.join('..').expand_path
 lib_path  = root_path.join('lib')
 
-Bundler.setup(:default)
+Dir[root_path.join("spec/support/*.rb")].each { |f| require f }
+Dir[lib_path.join("simple_calendar/*.rb")].each { |f| require f }
 
-Dir[root_path.join("spec/support/**/*.rb")].each { |f| require f }
+Bundler.setup(:default)
 
 RSpec.configure do |config|
   config.fail_fast = true

spec/simple_calendar_spec.rb

@@ -0,0 +1,94 @@
+require 'helper'
+
+class View
+  include SimpleCalendar::ViewHelpers
+  include ActionView::Helpers
+  include ActionView::Context
+
+  def raw(argument)
+    argument
+  end
+
+end
+
+describe "SimpleCalendar" do
+  subject { View.new }
+
+  before do
+    subject.stub(:params => {:year => 2013, :month => 5})
+  end
+
+  describe "#calendar" do
+    context "with invalid arguments" do
+      it "should raise an error" do
+        expect { subject.calendar("foo") }.to raise_error(StandardError, /block/)
+      end
+    end
+
+    context "with valid arguments" do
+      it "should draw a calender" do
+        subject.should_receive(:draw_calendar)
+        subject.calendar("foo") { "test" }
+      end
+
+      it "should not overwrite passed in arguments" do
+        subject.should_receive(:build_range).and_return([2,2,3])
+        subject.should_receive(:draw_calendar)
+        subject.calendar("foo") { "test" }
+      end
+    end
+  end
+
+  describe "#build_range" do
+    it "should return an array representing the days of the month" do
+      selected_month = Date.new(2013, 1)
+      options        = {:start_day => :tuesday}
+      result         = subject.send(:build_range, selected_month, options)
+      result.class.should == Array
+      result.first.class.should == Date
+      result.last.class.should == Date
+    end
+  end
+
+  describe "#draw_calendar" do
+    it "should render a calendar table" do
+      #TODO: refactor draw_calendar to not require so much build up
+      subject.should_receive(:month_header)
+      selected_month = Date.new(2013, 1)
+      month          = []
+      current_date   = Date.new(2013, 1, 14)
+      events         = {}
+      options        = {:start_day => :monday}
+      block          = Proc.new {}
+      subject.send(:draw_calendar, selected_month, month, current_date, events, options, block).should match(/^<table/)
+    end
+  end
+
+  describe "#day_events" do
+    it "should return an array of events for a given day" do
+      date           = Date.new(2013, 1, 14)
+      matching_event = stub(:start_time => Date.new(2013, 1, 14))
+      other_event    = stub(:start_time => Date.new(2013,1,15))
+      events = [matching_event, other_event]
+      subject.send(:day_events, date, events).should == [matching_event]
+    end
+  end
+
+  describe "#month_header" do
+    it "should generate html including the month, next and previous month" do
+      subject.should_receive(:month_link).exactly(2)
+      selected_month = Date.new(2013, 1)
+      options = {}
+      #TODO: add coverage for actual output other than just the starting tag
+      subject.send(:month_header, selected_month, options).should match(/^<h2/)
+    end
+  end
+
+  describe "#month_link" do
+    it "should return a link" do
+      #TODO: test even needed?
+      subject.should_receive(:link_to)
+      subject.send(:month_link, "previous", Date.new(2013, 1), {})
+    end
+  end
+end

spec/support/railtie.rb

@@ -0,0 +1,9 @@
+module SimpleCalendar
+  class Rails
+    class Railtie
+      def self.initializer(object)
+      end
+    end
+  end
+end
+