surveys: add a handler for the URL we sent in the letters

Guardfile

@@ -60,7 +60,7 @@ group :bsp_tests, halt_on_fail: true do
     # Below are examples overriding defaults
 
     cmd: 'bin/cucumber',
-    cmd_additional_args: '--profile rerun',
+    cmd_additional_args: '--profile rerun --fail-fast',
 
     # all_after_pass: false,
     # all_on_start: false,

app/controllers/pages_controller.rb

@@ -1,4 +1,6 @@
 class PagesController < ApplicationController
+  before_action :check_uprn_link, only: :index
+
   def index
     respond_to do |format|
       format.html
@@ -10,4 +12,12 @@ def help
       format.html
     end
   end
+
+  private
+
+  def check_uprn_link
+    return if params[:uprn].nil?
+
+    redirect_to survey_url(uprn: params[:uprn])
+  end
 end

app/controllers/surveys_controller.rb

@@ -1,5 +1,6 @@
 class SurveysController < ApplicationController
   before_action :find_survey
+  before_action :preset_uprn, only: :edit
 
   rescue_from Survey::RecordNotFound do
     redirect_to new_survey_url
@@ -44,4 +45,8 @@ def survey_params
     def section_param
       params[:section].to_s
     end
+
+    def preset_uprn
+      @survey.uprn = params[:uprn] if params[:uprn]
+    end
 end

features/alex_fills_in_a_survey.feature

@@ -50,3 +50,9 @@ Feature: Alex fills in a report about a building
     Then the page contains "Building height"
     When I press "Back"
     Then the page contains "Building management details"
+
+  Scenario: Alex opens a survey link
+    Given a building exists with UPRN 777
+    When I open a survey link for UPRN 777
+    Then the page contains "What is the building’s UPRN?"
+    And the input for "UPRN" contains "777"

features/step_definitions/survey_steps.rb

@@ -142,7 +142,11 @@
   end
 end
 
-Given('I see the summary {string} with') do |summary, table|
+When('I open a survey link for UPRN {int}') do |uprn|
+  visit "/?uprn=#{uprn}"
+end
+
+Then('I see the summary {string} with') do |summary, table|
   within(:summary, summary) do
     table.rows.each_with_index do |(name, value, url), index|
       within(:xpath, "./div[#{index + 1}]") do

features/step_definitions/web_steps.rb

@@ -71,3 +71,7 @@
     check option
   end
 end
+
+Then('the input for {string} contains {string}') do |label, value|
+  expect(page.find_field(label).value).to eq value
+end