CDB-4060 Replace Timecop with Delorean to avoid specs failing on different timezones

Gemfile

@@ -97,7 +97,7 @@ group :development, :test do
 
   gem 'rspec-rails',           '2.10.1'
   gem 'capybara',              '1.1.2'
-  gem 'timecop',               '0.6.3'
+  gem 'delorean'
   gem 'rack',                  '1.4.1'
   gem 'rack-reverse-proxy',    '0.4.4',  require: 'rack/reverse_proxy'
   gem 'rack-test',             '0.6.2',  require: 'rack/test'

Gemfile.lock

@@ -63,6 +63,7 @@ GEM
     charlock_holmes (0.6.9.4)
     childprocess (0.5.1)
       ffi (~> 1.0, >= 1.0.11)
+    chronic (0.10.2)
     chunky_png (1.3.0)
     ci_reporter (1.9.0)
       builder (>= 2.1.2)
@@ -84,6 +85,8 @@ GEM
       debugger-ruby_core_source (~> 1.3.1)
     debugger-linecache (1.2.0)
     debugger-ruby_core_source (1.3.5)
+    delorean (2.1.0)
+      chronic
     descendants_tracker (0.0.3)
     diff-lcs (1.1.3)
     dropbox-sdk (1.6.3)
@@ -309,7 +312,6 @@ GEM
       rack (>= 1.0.0)
     thor (0.14.6)
     tilt (1.4.1)
-    timecop (0.6.3)
     treetop (1.4.15)
       polyglot
       polyglot (>= 0.3.1)
@@ -351,6 +353,7 @@ DEPENDENCIES
   compass (= 0.12.3)
   dbf (= 2.0.6)
   debugger (= 1.6.5)
+  delorean
   dropbox-sdk (= 1.6.3)
   ejs (~> 1.1.1)
   em-pg-client (= 0.2.1)
@@ -403,7 +406,6 @@ DEPENDENCIES
   statsd-client (= 0.0.7)
   therubyracer (= 0.12.1)
   thin
-  timecop (= 0.6.3)
   typhoeus (= 0.6.7)
   unicorn (= 4.8.2)
   uuidtools (= 2.1.3)

spec/models/layer_spec.rb

@@ -133,8 +133,9 @@ describe Layer do
     it "should update updated_at after saving" do
       layer = Layer.create(:kind => 'carto')
       after = layer.updated_at
-      Timecop.travel Time.now + 1.minutes
+      Delorean.jump(1.minute)
       after.should < layer.save.updated_at
+      Delorean.back_to_the_present
     end
 
     it "should correctly identify affected tables" do
@@ -280,7 +281,7 @@ describe Layer do
   describe '#uses_private_tables?' do
     it 'returns true if any of the affected tables is private' do
       CartoDB::NamedMapsWrapper::NamedMaps.any_instance.stubs(:create).returns(true)
-      
+
       map     = Map.create(:user_id => @user.id, :table_id => @table.id)
       source  = @table.table_visualization
       derived = CartoDB::Visualization::Copier.new(@user, source).copy

spec/models/user_spec.rb

@@ -191,7 +191,7 @@ describe User do
       organization.destroy
     end
 
-    it 'should set default settings properly unless overriden', focus: true do
+    it 'should set default settings properly unless overriden' do
       organization = create_organization_with_users
       organization.users.reject(&:organization_owner?).each do |u|
         u.max_layers.should == 6
@@ -828,23 +828,24 @@ describe User do
 
   it "should correctly identify last billing cycle" do
     user = create_user :email => 'example@example.com', :username => 'example', :password => 'testingbilling'
-    Timecop.freeze(Date.parse("2013-01-01")) do
+    Delorean.time_travel_to(Date.parse("2013-01-01")) do
       user.stubs(:period_end_date).returns(Date.parse("2012-12-15"))
       user.last_billing_cycle.should == Date.parse("2012-12-15")
     end
-    Timecop.freeze(Date.parse("2013-01-01")) do
+    Delorean.time_travel_to(Date.parse("2013-01-01")) do
       user.stubs(:period_end_date).returns(Date.parse("2012-12-02"))
       user.last_billing_cycle.should == Date.parse("2012-12-02")
     end
-    Timecop.freeze(Date.parse("2013-03-01")) do
+    Delorean.time_travel_to(Date.parse("2013-03-01")) do
       user.stubs(:period_end_date).returns(Date.parse("2012-12-31"))
       user.last_billing_cycle.should == Date.parse("2013-02-28")
     end
-    Timecop.freeze(Date.parse("2013-03-15")) do
+    Delorean.time_travel_to(Date.parse("2013-03-15")) do
       user.stubs(:period_end_date).returns(Date.parse("2012-12-02"))
       user.last_billing_cycle.should == Date.parse("2013-03-02")
     end
     user.destroy
+    Delorean.back_to_the_present
   end
 
   it "should calculate the trial end date" do

spec/requests/api/imports_spec.rb

@@ -24,7 +24,7 @@ describe "Imports API" do
     f = upload_file('db/fake_data/column_number_to_boolean.csv', 'text/csv')
     post api_v1_imports_create_url(
       params.merge(:filename  => 'column_number_to_boolean.csv',
-                   :table_name => "wadus")), 
+                   :table_name => "wadus")),
       f.read.force_encoding('UTF-8')
 
 
@@ -76,7 +76,7 @@ describe "Imports API" do
                                         :table_name => "wadus")
     end
 
-    Timecop.travel Time.now + 7.hours
+    Delorean.jump(7.hours)
     get api_v1_imports_index_url, params
 
     response.code.should be == '200'
@@ -86,6 +86,7 @@ describe "Imports API" do
     imports = response_json['imports']
     imports.should have(0).items
     Resque.inline = true
+    Delorean.back_to_the_present
   end
 
   it 'gets the detail of an import' do
@@ -247,7 +248,7 @@ describe "Imports API" do
       table.should have_no_invalid_the_geom
       table.geometry_types.should_not be_blank
     end
-    
+
     DataImport.count.should == import_files.size
     Map.count.should == import_files.size
   end