spec/integration/hash_spec.rb in transproc-0.1.0 vs spec/integration/hash_spec.rb in transproc-0.1.1

@@ -24,15 +24,38 @@
 
       expect(input).to eql(output)
     end
   end
 
-  describe 'nest!' do
+  describe 'nest' do
     it 'returns new hash with keys nested under a new key' do
-      nest = Transproc(:nest!, :baz, ['foo'])
+      nest = Transproc(:nest, :baz, ['foo'])
 
       input = { 'foo' => 'bar' }
       output = { baz: { 'foo' => 'bar' } }
+
+      expect(nest[input]).to eql(output)
+      expect(input).to eql('foo' => 'bar')
+    end
+  end
+
+  describe 'nest!' do
+    it 'returns new hash with keys nested under a new key' do
+      nest = Transproc(:nest!, :baz, ['one', 'two', 'not-here'])
+
+      input = { 'foo' => 'bar', 'one' => nil, 'two' => false }
+      output = { 'foo' => 'bar', baz: { 'one' => nil, 'two' => false } }
+
+      nest[input]
+
+      expect(input).to eql(output)
+    end
+
+    it 'returns new hash with nil nested under a new key when nest-keys are missing' do
+      nest = Transproc(:nest!, :baz, ['foo'])
+
+      input = { 'bar' => 'foo' }
+      output = { 'bar' => 'foo', baz: nil }
 
       nest[input]
 
       expect(input).to eql(output)
     end