Add test

Author: blake

spec/openapi_3/errors_spec.rb

@@ -0,0 +1,79 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe 'Errors' do
+  describe 'Empty model error' do
+    let!(:app) do
+      Class.new(Grape::API) do
+        format :json
+
+        desc 'Empty model get.' do
+          http_codes [
+            { code: 200, message: 'get Empty model', model: EmptyClass }
+          ]
+        end
+        get '/empty_model' do
+          something = OpenStruct.new text: 'something'
+          present something, with: EmptyClass
+        end
+
+        version 'v3', using: :path
+        add_swagger_documentation openapi_version: '3.0',
+                                  api_version: 'v1',
+                                  base_path: '/api',
+                                  info: {
+                                    title: 'The API title to be displayed on the API homepage.',
+                                    description: 'A description of the API.',
+                                    contact_name: 'Contact name',
+                                    contact_email: '[email protected]',
+                                    contact_url: 'Contact URL',
+                                    license: 'The name of the license.',
+                                    license_url: 'www.The-URL-of-the-license.org',
+                                    terms_of_service_url: 'www.The-URL-of-the-terms-and-service.com'
+                                  }
+      end
+    end
+
+    it 'should raise SwaggerSpec exception' do
+      expect { get '/v3/swagger_doc' }.to raise_error(GrapeSwagger::Errors::SwaggerSpec, "Empty model EmptyClass, openapi 3.0 doesn't support empty definitions.")
+    end
+  end
+
+  describe 'Parser not found error' do
+    let!(:app) do
+      Class.new(Grape::API) do
+        format :json
+
+        desc 'Wrong model get.' do
+          http_codes [
+            { code: 200, message: 'get Wrong model', model: Hash }
+          ]
+        end
+        get '/wrong_model' do
+          something = OpenStruct.new text: 'something'
+          present something, with: Hash
+        end
+
+        version 'v3', using: :path
+        add_swagger_documentation openapi_version: '3.0',
+                                  api_version: 'v1',
+                                  base_path: '/api',
+                                  info: {
+                                    title: 'The API title to be displayed on the API homepage.',
+                                    description: 'A description of the API.',
+                                    contact_name: 'Contact name',
+                                    contact_email: '[email protected]',
+                                    contact_url: 'Contact URL',
+                                    license: 'The name of the license.',
+                                    license_url: 'www.The-URL-of-the-license.org',
+                                    terms_of_service_url: 'www.The-URL-of-the-terms-and-service.com'
+                                  }
+      end
+    end
+
+    it 'should raise UnregisteredParser exception' do
+      expect { get '/v3/swagger_doc' }.to raise_error(GrapeSwagger::Errors::UnregisteredParser, 'No parser registered for Hash.')
+    end
+  end
+end