test: cover RateLimiterPStoreStoreTest, teardown and RenderErrorsGadget

test/test_render_errors.rb

@@ -0,0 +1,96 @@
+require 'minitest/autorun'
+require 'prism'
+require 'tmpdir'
+require 'support'
+
+class RenderErrorsGadget < Prism::Orm::Model
+  table_name :gadgets
+  validates :name, presence: true, length: { minimum: 3 }
+end
+
+class GadgetsController < Prism::Controller
+  def create
+    gadget = RenderErrorsGadget.new(name: params['name'])
+
+    if gadget.save
+      respond_to do |format|
+        format.json { json(id: gadget.id, name: gadget.name) }
+      end
+    else
+      respond_to do |format|
+        format.json { render_errors(gadget) }
+      end
+    end
+  end
+
+  def show
+    gadget = RenderErrorsGadget.find(params['id'])
+    respond_to do |format|
+      format.json { json(id: gadget.id, name: gadget.name) }
+    end
+  rescue Prism::Orm::RecordNotFound
+    respond_to do |format|
+      format.json { render_not_found('gadget not found') }
+    end
+  end
+end
+
+class GadgetsApp < Prism::Application
+  post '/gadgets', to: 'gadgets#create'
+  get '/gadgets/:id', to: 'gadgets#show'
+end
+
+class RenderErrorsTest < Minitest::Test
+  include TestSupport
+
+  def setup
+    @dir = Dir.mktmpdir('prism-render-errors-store')
+    store = Prism::Orm::Store.new(File.join(@dir, 'test.pstore'))
+    store.create_table(:gadgets, %w[id name])
+    RenderErrorsGadget.store = store
+  end
+
+  def teardown
+    FileUtils.remove_entry(@dir)
+  end
+
+  def call(method, path, form: {}, **opts)
+    body = form.map { |k, v| "#{k}=#{v}" }.join('&')
+    headers = { 'Content-Type' => 'application/x-www-form-urlencoded', 'Accept' => 'application/json' }.merge(opts.delete(:headers) || {})
+    GadgetsApp.call(env_for(method, path, body: body, headers: headers, **opts))
+  end
+
+  def test_valid_record_responds_with_201_style_json_payload
+    status, headers, body = call('POST', '/gadgets', form: { name: 'wrench' })
+    assert_equal 200, status
+    assert_equal 'application/json', headers['Content-Type']
+    payload = JSON.parse(body.join)
+    assert_equal 'wrench', payload['name']
+  end
+
+  def test_invalid_record_responds_with_422_and_jsonapi_error_array
+    status, headers, body = call('POST', '/gadgets', form: { name: '' })
+    assert_equal 422, status
+    assert_equal 'application/json', headers['Content-Type']
+
+    payload = JSON.parse(body.join)
+    errors = payload['errors']
+    refute_nil errors
+    assert(errors.any? { |e| e['source']['pointer'] == '/data/attributes/name' })
+    assert(errors.all? { |e| e['status'] == '422' })
+  end
+
+  def test_missing_record_responds_with_404_and_jsonapi_error_object
+    status, headers, body = call('GET', '/gadgets/999999')
+    assert_equal 404, status
+    assert_equal 'application/json', headers['Content-Type']
+
+    payload = JSON.parse(body.join)
+    errors = payload['errors']
+    refute_nil errors
+    assert_equal 1, errors.size
+    assert_equal '404', errors.first['status']
+    assert_nil errors.first['source']
+    assert_equal 'gadget not found', errors.first['detail']
+  end
+end