Support oneOf in arrays (#10)

lib/openapi_contracts/doc/parser.rb

@@ -20,7 +20,7 @@ def parse(path = 'openapi.yaml')
 
     def parse_file(path, translate: true)
       schema = YAML.safe_load(File.read(path))
-      translate ? translate_paths(schema, Pathname(path).parent) : schema
+      translate ? translate_paths!(schema, Pathname(path).parent) : schema
     end
 
     def join_partials(cwd, data)
@@ -67,14 +67,17 @@ def merge_components
       data
     end
 
-    def translate_paths(data, cwd)
-      data.each_with_object({}) do |(key, val), m|
-        if val.is_a?(Hash)
-          m[key] = translate_paths(val, cwd)
-        elsif key == '$ref' && val !~ %r{^#/}
-          m[key] = json_pointer(cwd.join(val), '#/')
-        else
-          m[key] = val
+    def translate_paths!(data, cwd)
+      case data
+      when Array
+        data.each { |v| translate_paths!(v, cwd) }
+      when Hash
+        data.each_pair do |k, v|
+          if k == '$ref' && v !~ %r{^#/}
+            v.replace json_pointer(cwd.join(v), '#/')
+          else
+            translate_paths!(v, cwd)
+          end
         end
       end
     end

spec/fixtures/openapi/components/schemas/Address.yaml

@@ -0,0 +1,6 @@
+type: object
+properties:
+  street:
+    type: string
+  city:
+    type: string

spec/fixtures/openapi/components/schemas/User.yaml

@@ -11,6 +11,10 @@ properties:
       name:
         type: string
         nullable: true
+      addresses:
+        type: array
+        oneOf:
+          - $ref: './Address.yaml'
       email:
         $ref: './Email.yaml'
     additionalProperties: false

spec/integration/rspec_spec.rb

@@ -62,4 +62,16 @@
 
     it { is_expected.to_not match_openapi_doc(doc) }
   end
+
+  context 'when an attribute does match type oneOf' do
+    before { response_body[:data][:attributes][:addresses] = {street: 'Somestreet'} }
+
+    it { is_expected.to_not match_openapi_doc(doc) }
+  end
+
+  context 'when an attribute does not match type oneOf' do
+    before { response_body[:data][:attributes][:addresses] = {foo: 'bar'} }
+
+    it { is_expected.to_not match_openapi_doc(doc) }
+  end
 end