validates phone champ server side

app/models/champs/phone_champ.rb

@@ -15,4 +15,10 @@
 #  type_de_champ_id :integer
 #
 class Champs::PhoneChamp < Champs::TextChamp
+  validates :value,
+    phone: {
+      possible: true,
+      allow_blank: true,
+      message: I18n.t(:not_a_phone, scope: 'activerecord.errors.messages')
+    }
 end

config/locales/fr.yml

@@ -129,6 +129,7 @@ fr:
         blank: "doit être rempli"
         not_a_number: 'doit être un nombre'
         not_an_integer: 'doit être un nombre entier (sans chiffres après la virgule)'
+        not_a_phone: 'Numéro de téléphone invalide'
         greater_than: "doit être supérieur à %{count}"
         greater_than_or_equal_to: "doit être supérieur ou égal à %{count}"
         less_than: "doit être inférieur à %{count}"

spec/features/users/brouillon_spec.rb

@@ -19,7 +19,7 @@ feature 'The user' do
     check('checkbox')
     choose('Madame')
     fill_in('email', with: 'loulou@yopmail.com')
-    fill_in('phone', with: '1234567890')
+    fill_in('phone', with: '0123456789')
     choose('Non')
     choose('val2')
     check('val1')
@@ -55,7 +55,7 @@ feature 'The user' do
     expect(champ_value_for('checkbox')).to eq('on')
     expect(champ_value_for('civilite')).to eq('Mme')
     expect(champ_value_for('email')).to eq('loulou@yopmail.com')
-    expect(champ_value_for('phone')).to eq('1234567890')
+    expect(champ_value_for('phone')).to eq('0123456789')
     expect(champ_value_for('yes_no')).to eq('false')
     expect(champ_value_for('simple_drop_down_list')).to eq('val2')
     expect(champ_value_for('simple_choice_drop_down_list_long')).to eq('bravo')
@@ -79,7 +79,7 @@ feature 'The user' do
     expect(page).to have_checked_field('checkbox')
     expect(page).to have_checked_field('Madame')
     expect(page).to have_field('email', with: 'loulou@yopmail.com')
-    expect(page).to have_field('phone', with: '1234567890')
+    expect(page).to have_field('phone', with: '0123456789')
     expect(page).to have_checked_field('Non')
     expect(page).to have_checked_field('val2')
     expect(page).to have_checked_field('val1')

spec/models/champs/phone_champ_spec.rb

@@ -0,0 +1,25 @@
+describe Champs::PhoneChamp do
+  describe '#valid?' do
+    it do
+      expect(build(:champ_phone, value: nil)).to be_valid
+      expect(build(:champ_phone, value: "0123456789 0123456789")).to_not be_valid
+      expect(build(:champ_phone, value: "01.23.45.67.89 01.23.45.67.89")).to_not be_valid
+      expect(build(:champ_phone, value: "3646")).to be_valid
+      expect(build(:champ_phone, value: "0123456789")).to be_valid
+      expect(build(:champ_phone, value: "01.23.45.67.89")).to be_valid
+      expect(build(:champ_phone, value: "0123 45.67.89")).to be_valid
+      expect(build(:champ_phone, value: "0033 123-456-789")).to be_valid
+      expect(build(:champ_phone, value: "0033 123-456-789")).to be_valid
+      expect(build(:champ_phone, value: "0033(0)123456789")).to be_valid
+      expect(build(:champ_phone, value: "+33-1.23.45.67.89")).to be_valid
+      expect(build(:champ_phone, value: "+33 - 123 456 789")).to be_valid
+      expect(build(:champ_phone, value: "+33(0) 123 456 789")).to be_valid
+      expect(build(:champ_phone, value: "+33 (0)123 45 67 89")).to be_valid
+      expect(build(:champ_phone, value: "+33 (0)1 2345-6789")).to be_valid
+      expect(build(:champ_phone, value: "+33(0) - 123456789")).to be_valid
+      expect(build(:champ_phone, value: "+1(0) - 123456789")).to be_valid
+      expect(build(:champ_phone, value: "+49 2109 87654321")).to be_valid
+      expect(build(:champ_phone, value: "012345678")).to be_valid
+    end
+  end
+end