spec/lib/danica/variables_holder_spec.rb in danica-2.4.3 vs spec/lib/danica/variables_holder_spec.rb in danica-2.4.4

@@ -18,10 +18,19 @@
       Danica::Wrapper::Number.new(10)
     ])
   end
 end
 
+shared_examples 'an variable set that does not change the class variables' do
+  it 'does not change the the class variables' do
+    expect do
+      subject.variables = variables
+    end.not_to change { clazz.variables_hash }
+  end
+end
+
+
 describe Danica::VariablesHolder do
   class Danica::VariablesHolder::Dummy
     include Danica::Common
     include Danica::VariablesHolder
 
@@ -45,38 +54,61 @@
       expect(clazz.variables_names).to eq(%i(x y z))
     end
   end
 
   describe '#variables=' do
-    before do
-      subject.variables = variables
+    context 'when changing the variables of the object' do
+      context 'when all the variables are set with value' do
+        let(:variables) { [1, 2, 3] }
+        it_behaves_like 'an variable set that does not change the class variables'
+      end
+
+      context 'setting the variables through a hash' do
+        let(:variables) { { x: 1, y: 2, z: 3 } }
+        it_behaves_like 'an variable set that does not change the class variables'
+      end
+
+      context 'when none of the variables are set with values' do
+        let(:variables) { [] }
+        it_behaves_like 'an variable set that does not change the class variables'
+      end
+
+      context 'when the variables are set through an empty hash' do
+        let(:variables) { {} }
+        it_behaves_like 'an variable set that does not change the class variables'
+      end
     end
 
     context 'when setting the variables using a list' do
+      before do
+        subject.variables = variables
+      end
       let(:variables) { [1, 2, 3] }
 
       it 'changes the values of the variables' do
         expect(subject.x).to eq(Danica::Wrapper::Number.new(1))
       end
 
       context 'but the array is empty' do
         let(:variables) { [] }
-
         it_behaves_like 'an object that returns the default variables hash'
       end
     end
 
     context 'when setting the variales using a hash' do
+      before do
+        subject.variables = variables
+      end
+
       let(:variables) { { x: 1, y: 2, z: 3 } }
 
       it 'changes the values of the variables' do
         expect(subject.x).to eq(Danica::Wrapper::Number.new(1))
       end
 
       context 'but the hash is empty' do
         let(:variables) { {} }
-
         it_behaves_like 'an object that returns the default variables hash'
       end
     end
   end
 
@@ -142,9 +174,25 @@
         subject.y = 1
       end
 
       it 'returns the values' do
         expect(subject.variables_value_hash).to eq({x: nil, y: 1, z: 10})
+      end
+    end
+  end
+
+  describe '#containers' do
+    it 'is an array of Containers' do
+      expect(subject.containers.first).to be_a(Danica::Wrapper::Container)
+    end
+
+    context 'when changing the variable on the object' do
+      let(:containers) { subject.containers }
+
+      it 'changes the variables in the containers' do
+        expect do
+          subject.x = 2
+        end.to change { containers.map(&:content) }
       end
     end
   end
 end