instructeurs: create without providing the email

db/migrate/20191024150452_remove_unique_constraint_on_instructeur_emails.rb

@@ -0,0 +1,13 @@
+class RemoveUniqueConstraintOnInstructeurEmails < ActiveRecord::Migration[5.2]
+  def up
+    # Drop the index entirely
+    remove_index :instructeurs, :email
+    # Add the index again, without the unicity constraint
+    add_index :instructeurs, :email
+  end
+
+  def down
+    remove_index :instructeurs, :email
+    add_index :instructeurs, :email, unique: true
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2019_10_23_183120) do
+ActiveRecord::Schema.define(version: 2019_10_24_150452) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -419,7 +419,7 @@ ActiveRecord::Schema.define(version: 2019_10_23_183120) do
     t.datetime "updated_at"
     t.text "encrypted_login_token"
     t.datetime "login_token_created_at"
-    t.index ["email"], name: "index_instructeurs_on_email", unique: true
+    t.index ["email"], name: "index_instructeurs_on_email"
   end
 
   create_table "invites", id: :serial, force: :cascade do |t|

db/seeds.rb

@@ -10,12 +10,10 @@ default_password = "this is a very complicated password !"
 
 puts "Create test user '#{default_user}'"
 Administration.create!(email: default_user, password: default_password)
-administrateur = Administrateur.create!(email: default_user)
-instructeur = Instructeur.create!(email: default_user)
-User.create!(
+user = User.create!(
   email: default_user,
   password: default_password,
-  confirmed_at: Time.zone.now,
-  administrateur: administrateur,
-  instructeur: instructeur
+  confirmed_at: Time.zone.now
 )
+user.create_instructeur!
+user.create_administrateur!(email: user.email)