Add test

Author: blake

spec/openapi_3/float_api_spec.rb

@@ -0,0 +1,38 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe 'Float Params' do
+  def app
+    Class.new(Grape::API) do
+      format :json
+
+      params do
+        requires :a_float, type: Float
+      end
+      post :splines do
+      end
+
+      add_swagger_documentation openapi_version: '3.0'
+    end
+  end
+
+  subject do
+    get '/swagger_doc/splines'
+    expect(last_response.status).to eq 200
+    body = JSON.parse last_response.body
+    body['paths']['/splines']['post']['requestBody']['content']['application/x-www-form-urlencoded']
+  end
+
+  it 'converts float types' do
+    expect(subject).to eq(
+      'schema' => {
+        'properties' => {
+          'a_float' => { 'format' => 'float', 'type' => 'number' }
+        },
+        'required' => ['a_float'],
+        'type' => 'object'
+      }
+    )
+  end
+end