test: copy helpers test

Gemfile

@@ -14,15 +14,14 @@ gem "sprockets-rails"
 # Start debugger with binding.b [https://github.com/ruby/debug]
 # gem "debug", ">= 1.0.0"
 
-
 group :development, :test do
   # See https://guides.rubyonrails.org/debugging_rails_applications.html#debugging-with-the-debug-gem
   # gem "brakeman", "~> 6.1"
   # gem "debug", platforms: %i[mri windows]
 
   # Omakase Ruby styling [https://github.com/rails/rubocop-rails-omakase/]
   gem "rubocop-rails-omakase", require: false
-  gem 'rails-controller-testing'
+  gem "rails-controller-testing"
 
   # gem "standard", require: false
   # gem "erb_lint", require: false

test/helpers/kiqr/current_helper_test.rb

@@ -0,0 +1,32 @@
+require "test_helper"
+
+class Kiqr::CurrentHelperTest < ActionView::TestCase
+  attr_reader :current_user
+
+  setup do
+    @current_user = create(:user)
+    @team_account = create(:account, name: "Company 1")
+    @alien_account = create(:account, name: "Someone else's account")
+    @current_user.account_users << AccountUser.new(account: @team_account, owner: true)
+
+    Current.user = @current_user
+  end
+
+  test "current_account returns the personal account by default" do
+    assert_equal @current_user.personal_account, current_account
+  end
+
+  test "current_account can be a team account" do
+    Current.account = @team_account
+    assert_equal @team_account, current_account
+  end
+
+  test "current_account can't be another users account" do
+    assert_raise { Current.account = @alien_account }
+  end
+
+  test "personal_account is always the users personal account" do
+    Current.account = @team_account
+    assert_equal @current_user.personal_account, personal_account
+  end
+end