fix rack status which needs to be an integer

Author: dmathieu

rswag-api/lib/rswag/api/middleware.rb

@@ -28,7 +28,7 @@ def call(env)
           body = unload_openapi(filename, openapi)
 
           return [
-            '200',
+            200,
             headers,
             [body]
           ]

rswag-api/spec/rswag/api/middleware_spec.rb

@@ -28,7 +28,7 @@
 
       it 'returns a 200 status' do
         expect(response.length).to eql(3)
-        expect(response.first).to eql('200')
+        expect(response.first).to eql(200)
       end
 
       it 'returns contents of the openapi file' do
@@ -44,7 +44,7 @@
 
         it 'returns a 200 status' do
           expect(response.length).to eql(3)
-          expect(response.first).to eql('200')
+          expect(response.first).to eql(200)
         end
       end
     end
@@ -59,7 +59,7 @@
 
         it 'returns a 200 status' do
           expect(response.length).to eql(3)
-          expect(response.first).to eql('200')
+          expect(response.first).to eql(200)
         end
 
         it 'applies the headers to the response' do
@@ -74,7 +74,7 @@
 
         it 'returns a 200 status' do
           expect(response.length).to eql(3)
-          expect(response.first).to eql('200')
+          expect(response.first).to eql(200)
         end
 
         it 'applies the headers to the response' do
@@ -91,23 +91,23 @@
       let(:env) { env_defaults.merge('PATH_INFO' => 'foobar.json') }
 
       before do
-        allow(app).to receive(:call).and_return(['500', {}, []])
+        allow(app).to receive(:call).and_return([500, {}, []])
       end
 
       it 'delegates to the next middleware' do
-        expect(response).to include('500')
+        expect(response).to include(500)
       end
     end
 
     context 'Disallow path traversing on path info' do
       let(:env) { env_defaults.merge('PATH_INFO' => '../traverse-secret.yml') }
 
       before do
-        allow(app).to receive(:call).and_return(['500', {}, []])
+        allow(app).to receive(:call).and_return([500, {}, []])
       end
 
       it 'delegates to the next middleware' do
-        expect(response).to include('500')
+        expect(response).to include(500)
       end
     end
 
@@ -163,7 +163,7 @@
 
       it 'returns a 200 status' do
         expect(response.length).to eql(3)
-        expect(response.first).to eql('200')
+        expect(response.first).to eql(200)
       end
 
       it 'returns contents of the openapi file' do