Copy all integration tests to category resource

spec/integration/articles_spec.rb

@@ -119,6 +119,17 @@
       ))
     end
 
+    context 'with an invalid expand parameter' do
+      let(:params) do
+        { expand: 'foo' }
+      end
+
+      it 'responds with 422 Unprocessable Entity' do
+        subject.call
+        expect(last_response.status).to eq(422)
+      end
+    end
+
     context 'with the expand parameter' do
       let(:params) do
         { expand: ['category'] }
@@ -160,6 +171,17 @@
       expect(subject).to change(Article, :count).by(1)
     end
 
+    context 'with an invalid expand parameter' do
+      let(:params) do
+        { expand: 'foo' }
+      end
+
+      it 'responds with 422 Unprocessable Entity' do
+        subject.call
+        expect(last_response.status).to eq(422)
+      end
+    end
+
     context 'with the expand parameter' do
       let(:params) do
         { expand: ['category'] }
@@ -202,6 +224,17 @@
       expect(subject).to change { article.reload.title }.to(new_article[:title])
     end
 
+    context 'with an invalid expand parameter' do
+      let(:params) do
+        { expand: 'foo' }
+      end
+
+      it 'responds with 422 Unprocessable Entity' do
+        subject.call
+        expect(last_response.status).to eq(422)
+      end
+    end
+
     context 'with the expand parameter' do
       let(:params) do
         { expand: ['category'] }

spec/integration/categories_spec.rb

@@ -2,8 +2,9 @@
 
 RSpec.describe '/api/v1/categories' do
   describe 'GET /' do
-    subject { -> { get api_v1_categories_path } }
+    subject { -> { get api_v1_categories_path(params) } }
 
+    let(:params) { {} }
     let!(:category) { FactoryGirl.create(:category) }
 
     it 'responds with 200 OK' do
@@ -26,12 +27,70 @@
         'Page' => 1
       ))
     end
+
+    context 'when pagination info is provided' do
+      let(:params) do
+        { page: 2, per_page: 1 }
+      end
+
+      let!(:category2) { FactoryGirl.create(:category) }
+
+      it 'returns the articles from the given page' do
+        subject.call
+        expect(parsed_response).to match_array([
+          a_hash_including('id' => category2.id)
+        ])
+      end
+
+      it 'adds the expected pagination info to the headers' do
+        subject.call
+        expect(last_response.headers).to match(a_hash_including(
+          'Total' => 2,
+          'Per-Page' => 1,
+          'Page' => 2
+        ))
+      end
+    end
+
+    context 'with an invalid page parameter' do
+      let(:params) do
+        { page: 0 }
+      end
+
+      it 'responds with 422 Unprocessable Entity' do
+        subject.call
+        expect(last_response.status).to eq(422)
+      end
+    end
+
+    context 'with an invalid per_page parameter' do
+      let(:params) do
+        { per_page: 150 }
+      end
+
+      it 'responds with 422 Unprocessable Entity' do
+        subject.call
+        expect(last_response.status).to eq(422)
+      end
+    end
+
+    context 'with an invalid expand parameter' do
+      let(:params) do
+        { expand: 'foo' }
+      end
+
+      it 'responds with 422 Unprocessable Entity' do
+        subject.call
+        expect(last_response.status).to eq(422)
+      end
+    end
   end
 
   describe 'GET /:id' do
-    subject { -> { get api_v1_category_path(category) } }
+    subject { -> { get api_v1_category_path(category, params) } }
 
     let(:category) { FactoryGirl.create(:category) }
+    let(:params) { {} }
 
     it 'responds with 200 OK' do
       subject.call
@@ -44,5 +103,16 @@
         'id' => category.id
       ))
     end
+
+    context 'with an invalid expand parameter' do
+      let(:params) do
+        { expand: 'foo' }
+      end
+
+      it 'responds with 422 Unprocessable Entity' do
+        subject.call
+        expect(last_response.status).to eq(422)
+      end
+    end
   end
 end