FI-2495: Create sessions via form POST (#459)

* add controller for creating test sessions via form post

* add spec for creating sessions via form post

* add specs for for unhappy paths

* remove old constant

lib/inferno/apps/web/controllers/test_session_form_post_controller.rb

@@ -0,0 +1,39 @@
+module Inferno
+  module Web
+    module Controllers
+      class TestSessionFormPostController < Hanami::Action
+        def self.call(...)
+          new.call(...)
+        end
+
+        def handle(req, res)
+          test_suite_id = req.params[:test_suite_id]
+
+          test_suite = Inferno::Repositories::TestSuites.new.find(test_suite_id)
+          halt 404, "Unable to find test suite with id #{test_suite_id}" if test_suite.nil?
+
+          params = { test_suite_id: }
+          suite_option_keys = test_suite.suite_options.map(&:id)
+          options = req.params.to_h.slice(*suite_option_keys)
+
+          params[:suite_options] = options.map { |key, value| { id: key, value: } } if options.present?
+
+          repo = Inferno::Repositories::TestSessions.new
+          session = repo.create(params)
+
+          preset_id = req.params[:preset_id]
+
+          if preset_id.present?
+            preset = Inferno::Repositories::Presets.new.find(preset_id)
+
+            halt 422, "Unable to find preset with id #{preset_id} for test suite #{test_suite_id}" if preset.nil?
+
+            repo.apply_preset(session, preset_id)
+          end
+
+          res.redirect_to "#{Inferno::Application['base_url']}/#{test_suite_id}/#{session.id}"
+        end
+      end
+    end
+  end
+end

lib/inferno/apps/web/router.rb

@@ -72,6 +72,8 @@ module Web
 
       get '/test_sessions/:id', to: Inferno::Web::Controllers::TestSessions::ClientShow, as: :client_session_show
       get '/:test_suite_id/:id', to: Inferno::Web::Controllers::TestSessions::ClientShow, as: :client_suite_session_show
+
+      post '/:test_suite_id', to: Inferno::Web::Controllers::TestSessionFormPostController, as: :session_form_post
     end
 
     Router = # rubocop:disable Naming/ConstantName

spec/requests/test_sessions_form_post_spec.rb

@@ -0,0 +1,93 @@
+require 'request_helper'
+require_relative '../../lib/inferno/apps/web/router'
+require_relative '../../lib/inferno/apps/web/controllers/test_session_form_post_controller'
+
+RSpec.describe 'POST /:test_suite_id' do
+  let(:router) { Inferno::Web::Router }
+  let(:repo) { Inferno::Repositories::TestSessions.new }
+
+  context 'with valid params' do
+    let(:test_suite_id) { 'options' }
+
+    it 'redirects the user to the created test session' do
+      post router.path(:session_form_post, test_suite_id:)
+
+      expect(last_response.status).to eq(302)
+
+      location = last_response.headers['Location']
+      expect(location).to match(%r{\A#{Inferno::Application['base_url']}/#{test_suite_id}/[\d\w]+\z})
+    end
+
+    it 'applies supplied options' do
+      options =
+        {
+          ig_version: '1',
+          other_option: '2'
+        }
+
+      post(
+        router.path(:session_form_post, test_suite_id:),
+        URI.encode_www_form(options),
+        'Content-Type' => 'application/x-www-form-urlencoded'
+      )
+
+      expect(last_response.status).to eq(302)
+
+      location = last_response.headers['Location']
+
+      session_id = location.split('/').last
+      session = repo.find(session_id)
+
+      expect(session).to be_present
+
+      options.each do |key, value|
+        option = session.suite_options.find { |suite_option| suite_option.id == key }
+        expect(option.value).to eq(value)
+      end
+    end
+
+    it 'applies supplied preset' do
+      preset_id = 'demo_preset'
+
+      post(
+        router.path(:session_form_post, test_suite_id: 'demo'),
+        URI.encode_www_form(preset_id:),
+        'Content-Type' => 'application/x-www-form-urlencoded'
+      )
+
+      expect(last_response.status).to eq(302)
+
+      location = last_response.headers['Location']
+
+      session_id = location.split('/').last
+      session = repo.find(session_id)
+
+      expect(session).to be_present
+
+      session_data_repo = Inferno::Repositories::SessionData.new
+
+      expect(session_data_repo.load(test_session_id: session.id, name: 'patient_id')).to eq('85')
+      expect(session_data_repo.load(test_session_id: session.id, name: 'bearer_token')).to eq('SAMPLE_TOKEN')
+    end
+  end
+
+  context 'with invalid params' do
+    it 'returns a 404 when the suite can not be found' do
+      post router.path(:session_form_post, test_suite_id: 'bad_suite_id')
+
+      expect(last_response.status).to eq(404)
+    end
+
+    it 'returns a 422 when the preset can not be found' do
+      preset_id = 'bad_preset_id'
+
+      post(
+        router.path(:session_form_post, test_suite_id: 'demo'),
+        URI.encode_www_form(preset_id:),
+        'Content-Type' => 'application/x-www-form-urlencoded'
+      )
+
+      expect(last_response.status).to eq(422)
+    end
+  end
+end