add test and fix association fo type piece jointe

app/models/type_piece_jointe.rb

@@ -1,8 +1,4 @@
 class TypePieceJointe < ActiveRecord::Base
-
+  has_many :pieces_jointes
-	# TODO: test this methods
+  belongs_to :formulaire
-  def self.get_liste_piece_jointe(formulaire)
-    where ("\"CERFA\" = '#{formulaire.demarche_id}'")
-  end
-
 end

spec/models/type_piece_jointe_spec.rb

@@ -0,0 +1,22 @@
+require 'spec_helper'
+
+describe TypePieceJointe do
+  describe 'database columns' do
+    it { is_expected.to have_db_column(:CERFA) }
+    it { is_expected.to have_db_column(:nature) }
+    it { is_expected.to have_db_column(:libelle_complet) }
+    it { is_expected.to have_db_column(:libelle) }
+    it { is_expected.to have_db_column(:etablissement) }
+    it { is_expected.to have_db_column(:description) }
+    it { is_expected.to have_db_column(:demarche) }
+    it { is_expected.to have_db_column(:administration_emetrice) }
+    it { is_expected.to have_db_column(:api_entreprise) }
+    it { is_expected.to have_db_column(:created_at) }
+    it { is_expected.to have_db_column(:updated_at) }
+  end
+
+  describe 'associations' do
+    it { is_expected.to have_many(:pieces_jointes) }
+    it { is_expected.to belong_to(:formulaire) }
+  end
+end