refactored AR parsing methods into Parser module to reduce AR method pollution and make more consistent

spec/active_record/attribute_methods_spec.rb

@@ -39,17 +39,17 @@ describe ValidatesTimeliness::ActiveRecord::AttributeMethods do
   end
 
   it "should call parser on write for datetime attribute" do
-    @person.class.should_receive(:parse_date_time).once
+    ValidatesTimeliness::Parser.should_receive(:parse).once
     @person.birth_date_and_time = "2000-01-01 02:03:04"
   end
 
   it "should call parser on write for date attribute" do
-    @person.class.should_receive(:parse_date_time).once
+    ValidatesTimeliness::Parser.should_receive(:parse).once
     @person.birth_date = "2000-01-01"
   end
 
   it "should call parser on write for time attribute" do
-    @person.class.should_receive(:parse_date_time).once
+    ValidatesTimeliness::Parser.should_receive(:parse).once
     @person.birth_time = "12:00"
   end
 

spec/parser_spec.rb

@@ -0,0 +1,61 @@
+require File.expand_path(File.dirname(__FILE__) + '/spec_helper')
+
+describe ValidatesTimeliness::Parser do
+  attr_accessor :person
+
+  describe "parse" do
+    it "should return time object for valid time string" do
+      parse("2000-01-01 12:13:14", :datetime).should be_kind_of(Time)
+    end
+    
+    it "should return nil for time string with invalid date part" do
+      parse("2000-02-30 12:13:14", :datetime).should be_nil
+    end
+    
+    it "should return nil for time string with invalid time part" do
+      parse("2000-02-01 25:13:14", :datetime).should be_nil      
+    end
+    
+    it "should return Time object when passed a Time object" do
+      parse(Time.now, :datetime).should be_kind_of(Time)
+    end
+        
+    if RAILS_VER >= '2.1'
+      it "should convert time string into current timezone" do
+        Time.zone = 'Melbourne'
+        time = parse("2000-01-01 12:13:14", :datetime)
+        Time.zone.utc_offset.should == 10.hours
+      end
+    end
+
+    it "should return nil for invalid date string" do
+      parse("2000-02-30", :date).should be_nil      
+    end
+        
+    def parse(*args)
+      ValidatesTimeliness::Parser.parse(*args)
+    end
+  end
+
+  describe "make_time" do
+
+    if RAILS_VER >= '2.1'
+
+      it "should create time using current timezone" do
+        Time.zone = 'Melbourne'
+        time = ValidatesTimeliness::Parser.make_time([2000,1,1,12,0,0])
+        time.zone.should == "EST"
+      end
+
+    else
+
+      it "should create time using default timezone" do
+        time = ValidatesTimeliness::Parser.make_time([2000,1,1,12,0,0])
+        time.zone.should == "UTC"
+      end
+
+    end
+
+  end
+
+end

spec/spec_helper.rb

@@ -30,6 +30,7 @@ require 'active_record'
 require 'active_record/version'
 require 'action_controller'
 require 'action_view'
+require 'action_mailer'
 
 require 'spec/rails'
 require 'time_travel/time_travel'
@@ -38,13 +39,13 @@ ActiveRecord::Base.default_timezone = :utc
 RAILS_VER = Rails::VERSION::STRING
 puts "Using #{vendored ? 'vendored' : 'gem'} Rails version #{RAILS_VER} (ActiveRecord version #{ActiveRecord::VERSION::STRING})"
 
-require 'validates_timeliness'
-
 if RAILS_VER >= '2.1'
   Time.zone_default = ActiveSupport::TimeZone['UTC']
   ActiveRecord::Base.time_zone_aware_attributes = true
 end
 
+require 'validates_timeliness'
+
 ActiveRecord::Migration.verbose = false
 ActiveRecord::Base.establish_connection({:adapter => 'sqlite3', :database => ':memory:'})
 

spec/validator_spec.rb

@@ -66,7 +66,7 @@ describe ValidatesTimeliness::Validator do
 
     it "should return array of Time objects when restriction is array of strings" do
       time1, time2 = "2000-01-02", "2000-01-01"
-      evaluate_option_value([time1, time2], :datetime).should == [Person.parse_date_time(time2, :datetime), Person.parse_date_time(time1, :datetime)]
+      evaluate_option_value([time1, time2], :datetime).should == [parse(time2, :datetime), parse(time1, :datetime)]
     end
 
     it "should return array of Time objects when restriction is Range of Time objects" do
@@ -76,7 +76,7 @@ describe ValidatesTimeliness::Validator do
 
     it "should return array of Time objects when restriction is Range of time strings" do
       time1, time2 = "2000-01-02", "2000-01-01"
-      evaluate_option_value(time1..time2, :datetime).should == [Person.parse_date_time(time2, :datetime), Person.parse_date_time(time1, :datetime)]
+      evaluate_option_value(time1..time2, :datetime).should == [parse(time2, :datetime), parse(time1, :datetime)]
     end
     def evaluate_option_value(restriction, type)
       configure_validator(:type => type)
@@ -587,6 +587,10 @@ describe ValidatesTimeliness::Validator do
 
   end
 
+  def parse(*args)
+    ValidatesTimeliness::Parser.parse(*args)
+  end
+
   def configure_validator(options={})
     @validator = ValidatesTimeliness::Validator.new(options)
   end