Stop swallowing JSON parse errors

.gitignore

@@ -6,3 +6,4 @@
 /pkg/
 /spec/reports/
 /tmp/
+/vendor/bundle/

README.md

@@ -68,6 +68,8 @@ In strict mode, passing empty destination arrays will always fail.
 
 Bug reports and pull requests are welcome on GitHub at https://github.com/jetruby/apollo_upload_server-ruby. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the [Contributor Covenant](http://contributor-covenant.org) code of conduct.
 
+Tests can be run via `bundle exec rspec`.
+
 ## License
 
 The gem is available as open source under the terms of the [MIT License](https://opensource.org/licenses/MIT).

lib/apollo_upload_server/graphql_data_builder.rb

@@ -12,8 +12,8 @@ def initialize(strict_mode: false)
     end
 
     def call(params)
-      operations = safe_json_parse(params['operations'])
-      file_mapper = safe_json_parse(params['map'])
+      operations = JSON.parse(params['operations'])
+      file_mapper = JSON.parse(params['map'])
 
       return nil if operations.nil? || file_mapper.nil?
       if operations.is_a?(Hash)
@@ -62,12 +62,6 @@ def verify_array_index!(path, index, size)
       raise OutOfBounds, "Path #{path.join('.')} maps to out-of-bounds index: #{index}"
     end
 
-    def safe_json_parse(data)
-      JSON.parse(data)
-    rescue JSON::ParserError
-      nil
-    end
-
     def get_parent_field(operations, splited_path)
       # returns parent element of file field
 

spec/apollo_upload_server/middleware_spec.rb

@@ -3,12 +3,12 @@
 require 'apollo_upload_server/middleware'
 
 describe ApolloUploadServer::Middleware do
-  around do |example|
-    mode = described_class.strict_mode
-    example.run
-    described_class.strict_mode = mode
-  end
-
+  around do |example|
+    mode = described_class.strict_mode
+    example.run
+    described_class.strict_mode = mode
+  end
+
   describe '#call' do
     let(:app) do
       Rack::Builder.new do
@@ -19,34 +19,34 @@
 
     context "when CONTENT_TYPE is 'multipart/form-data'" do
       subject do
-        Rack::MockRequest.new(app).post('/', { 'CONTENT_TYPE' => 'multipart/form-data', input: 'operations=foo&map=bar' })
+        Rack::MockRequest.new(app).post('/', { 'CONTENT_TYPE' => 'multipart/form-data', input: 'operations={}&map={}' })
       end
 
       it { expect(subject.status).to eq(200) }
     end
 
     context "when CONTENT_TYPE is not 'multipart/form-data'" do
       subject do
-        Rack::MockRequest.new(app).post('/', { 'CONTENT_TYPE' => 'text/plain' })
+        Rack::MockRequest.new(app).post('/', { 'CONTENT_TYPE' => 'text/plain' })
       end
 
       it { expect(subject.status).to eq(200) }
     end
-
-    context 'when configured to run in strict mode' do
-      before do
-        described_class.strict_mode = true
-      end
-
-      subject do
-        Rack::MockRequest.new(app).post('/', { 'CONTENT_TYPE' => 'multipart/form-data', input: 'operations=foo&map=bar' })
-      end
-
-      it 'propagates this setting to the data builder' do
+
+    context 'when configured to run in strict mode' do
+      before do
+        described_class.strict_mode = true
+      end
+
+      subject do
+        Rack::MockRequest.new(app).post('/', { 'CONTENT_TYPE' => 'multipart/form-data', input: 'operations={}&map={}' })
+      end
+
+      it 'propagates this setting to the data builder' do
         expect(ApolloUploadServer::GraphQLDataBuilder).to receive(:new).with(strict_mode: true).and_call_original
 
-        subject
-      end
-    end
+        subject
+      end
+    end
   end
 end