Add tests for toggling unmask

Gemfile

@@ -95,6 +95,7 @@ group :development, :test do
   gem "rspec-sidekiq", "~> 3.0", require: false
   gem "rubocop", "~> 1.22", ">= 1.22.1"
   gem "rubocop-rails", "~> 2.13", ">= 2.13.1"
+  gem "shoulda-matchers", "~> 5.0"
   gem "simplecov", require: false
   gem "simplecov-cobertura", require: false
   gem "simplecov-json", require: false

Gemfile.lock

@@ -515,6 +515,8 @@ GEM
       sentry-ruby-core (~> 5.2.1)
       sidekiq (>= 3.0)
     shellany (0.0.1)
+    shoulda-matchers (5.1.0)
+      activesupport (>= 5.2.0)
     sidekiq (5.2.10)
       connection_pool (~> 2.2, >= 2.2.2)
       rack (~> 2.0)
@@ -659,6 +661,7 @@ DEPENDENCIES
   sentry-rails
   sentry-ruby
   sentry-sidekiq
+  shoulda-matchers (~> 5.0)
   sidekiq (< 6)
   simplecov
   simplecov-cobertura

spec/controllers/moderation_controller_spec.rb

@@ -0,0 +1,34 @@
+# frozen_string_literal: true
+
+require "rails_helper"
+
+describe ModerationController, type: :controller do
+  describe "#toggle_unmask" do
+    let(:user) { FactoryBot.create(:user, roles: [:moderator]) }
+
+    before do
+      sign_in(user)
+      post :toggle_unmask, session: { moderation_view: moderation_view }
+    end
+
+    context "when moderation view flag is true" do
+      let(:moderation_view) { true }
+
+      it { is_expected.to set_session[:moderation_view].to(false) }
+
+      it { is_expected.to redirect_to(root_path) }
+    end
+
+    context "when moderation view flag is false" do
+      let(:moderation_view) { false }
+
+      it { is_expected.to set_session[:moderation_view].to(true) }
+    end
+
+    context "when moderation view flag is not set" do
+      let(:moderation_view) { nil }
+
+      it { is_expected.to set_session[:moderation_view].to(true) }
+    end
+  end
+end

spec/rails_helper.rb

@@ -80,4 +80,11 @@ RSpec.configure do |config|
   config.include Devise::Test::ControllerHelpers, type: :helper
 end
 
+Shoulda::Matchers.configure do |config|
+  config.integrate do |with|
+    with.test_framework :rspec
+    with.library :rails
+  end
+end
+
 Dir[Rails.root.join "spec", "shared_examples", "*.rb"].sort.each { |f| require f }