Add support for minItems, maxItems and uniqueItems for primitive arrays

ruby-grape · Nov 23, 2018 · ee3f775 · ee3f775
1 parent 3d21cd5
commit ee3f775
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Showing 2 changed files with 23 additions and 1 deletion.
diff --git a/lib/grape-swagger/entity/attribute_parser.rb b/lib/grape-swagger/entity/attribute_parser.rb
@@ -35,7 +35,11 @@ def call(entity_options)
             param[:enum] = values if values.is_a?(Array)
           end
 
-          param = { type: :array, items: param } if documentation[:is_array]
+          if documentation[:is_array]
+            param = { type: :array, items: param }
+            param.merge!(documentation.slice(:minItems, :maxItems, :uniqueItems))
+          end
+
           param
         end
       end

diff --git a/spec/grape-swagger/entity/attribute_parser_spec.rb b/spec/grape-swagger/entity/attribute_parser_spec.rb
@@ -49,6 +49,24 @@
 
         it { is_expected.to include(type: :array) }
         it { is_expected.to include(items: { type: 'string' }) }
+
+        context 'when it contains minItems' do
+          let(:entity_options) { { documentation: { type: 'string', desc: 'Colors', is_array: true, minItems: 1 } } }
+
+          it { is_expected.to include(minItems: 1) }
+        end
+
+        context 'when it contains minItems' do
+          let(:entity_options) { { documentation: { type: 'string', desc: 'Colors', is_array: true, maxItems: 1 } } }
+
+          it { is_expected.to include(maxItems: 1) }
+        end
+
+        context 'when it contains minItems' do
+          let(:entity_options) { { documentation: { type: 'string', desc: 'Colors', is_array: true, uniqueItems: true } } }
+
+          it { is_expected.to include(uniqueItems: true) }
+        end
       end
 
       context 'when it is not exposed as an array' do