Add DecimalNumberChamp

spec/models/champs/decimal_number_champ_spec.rb

@@ -0,0 +1,25 @@
+require 'spec_helper'
+
+describe Champs::DecimalNumberChamp do
+  subject { Champs::DecimalNumberChamp.new(value: value) }
+
+  describe '#valid?' do
+    context 'when the value is integer number' do
+      let(:value) { 2 }
+
+      it { is_expected.to be_valid }
+    end
+
+    context 'when the value is decimal number' do
+      let(:value) { 2.6 }
+
+      it { is_expected.to be_valid }
+    end
+
+    context 'when the value is not a number' do
+      let(:value) { 'toto' }
+
+      it { is_expected.to_not be_valid }
+    end
+  end
+end