2 files changed, 16 insertions, 6 deletions
diff --git a/app/models/chouette/time_table.rb b/app/models/chouette/time_table.rb
index 151570f20..4186af6d2 100644
--- a/app/models/chouette/time_table.rb
+++ b/app/models/chouette/time_table.rb
@@ -477,17 +477,18 @@ class Chouette::TimeTable < Chouette::TridentActiveRecord
   # merge effective days from another timetable
   def merge!(another_tt)
     transaction do
+    # merge dates
+    self.dates ||= []
+    another_tt.included_days.each do |d|
+      add_included_day d
+    end
+
     # if one tt has no period, just merge lists
     if self.periods.empty? || another_tt.periods.empty?
       if !another_tt.periods.empty?
         # copy periods
         self.periods = another_tt.clone_periods
       end
-      # merge dates
-      self.dates ||= []
-      another_tt.included_days.each do |d|
-        add_included_day d
-      end
     else
       # check if periods can be kept
       common_day_types = self.int_day_types & another_tt.int_day_types & 508
diff --git a/spec/models/chouette/time_table_spec.rb b/spec/models/chouette/time_table_spec.rb
index 1e5972c04..7a8863cb3 100644
--- a/spec/models/chouette/time_table_spec.rb
+++ b/spec/models/chouette/time_table_spec.rb
@@ -1,12 +1,21 @@
 require 'spec_helper'
 
 describe Chouette::TimeTable, :type => :model do
-
   subject { create(:time_table) }
 
   it { is_expected.to validate_presence_of :comment }
   it { is_expected.to validate_uniqueness_of :objectid }
 
+  context "merge with calendar" do
+    let(:calendar) { create(:calendar) }
+
+    it 'should add calendar dates to time_table' do
+      subject.dates.clear
+      subject.merge!(calendar.convert_to_time_table)
+      expect(subject.dates.map(&:date)).to include(*calendar.dates)
+    end
+  end
+
   describe "actualize" do
     let(:calendar) { create(:calendar) }
     let(:int_day_types) { 508 }