Added certificate REPP integration tests

test/integration/repp/v1/certificates/download_test.rb

@@ -0,0 +1,49 @@
+require 'test_helper'
+
+class ReppV1CertificatesDownloadTest < ActionDispatch::IntegrationTest
+  def setup
+    @user = users(:api_bestnames)
+    @certificate = certificates(:api)
+    token = Base64.encode64("#{@user.username}:#{@user.plain_text_password}")
+    token = "Basic #{token}"
+
+    @auth_headers = { 'Authorization' => token }
+
+    adapter = ENV['shunter_default_adapter'].constantize.new
+    adapter&.clear!
+  end
+
+  def test_returns_error_when_not_found
+    get download_repp_v1_api_user_certificate_path(id: 'wrong', api_user_id: @user.id, type: 'crt'), headers: @auth_headers
+    json = JSON.parse(response.body, symbolize_names: true)
+
+    assert_response :not_found
+    assert_equal 2303, json[:code]
+    assert_equal 'Object does not exist', json[:message]
+  end
+
+  def test_shows_existing_api_user_certificate
+    get download_repp_v1_api_user_certificate_path(api_user_id: @user.id, id: @certificate, type: 'crt'), headers: @auth_headers
+
+    expected_filename = "#{@user.username}_#{Time.zone.today.strftime('%y%m%d')}_portal.crt.pem"
+
+    assert_response :success
+    assert_equal 'application/octet-stream', response.content_type
+    assert response.headers['Content-Disposition'].include? "attachment; filename=\"#{expected_filename}\""
+  end
+
+  def test_returns_error_response_if_throttled
+    ENV['shunter_default_threshold'] = '1'
+    ENV['shunter_enabled'] = 'true'
+
+    get download_repp_v1_api_user_certificate_path(api_user_id: @user.id, id: @certificate, type: 'crt'), headers: @auth_headers
+    get download_repp_v1_api_user_certificate_path(api_user_id: @user.id, id: @certificate, type: 'crt'), headers: @auth_headers
+    json = JSON.parse(response.body, symbolize_names: true)
+
+    assert_response :bad_request
+    assert_equal json[:code], 2502
+    assert response.body.include?(Shunter.default_error_message)
+    ENV['shunter_default_threshold'] = '10000'
+    ENV['shunter_enabled'] = 'false'
+  end
+end